sweatSmile/neet-biology-qa · Datasets at Hugging Face

question stringlengths 34 139	subject stringclasses 1 value	choices listlengths 4 4	answer stringclasses 4 values
In dicot stems, the vascular bundles are characterized by which arrangement?	biology	[ "Scattered throughout the ground tissue", "Arranged in a ring", "Present only at the periphery", "Found only in the pith region" ]	B
In cockroaches, which structure serves as the primary site for excretion and osmoregulation?	biology	[ "Malpighian tubules", "Nephridia", "Green glands", "Flame cells" ]	A
Which meristem is responsible for the increase in the length of plant roots?	biology	[ "Intercalary meristem", "Apical meristem", "Lateral meristem", "Cork cambium" ]	B
In cockroaches, the respiratory system opens to the exterior through	biology	[ "Malpighian tubules", "Book lungs", "Spiracles", "Nephridia" ]	C
Which one of the following pairs is correctly matched with respect to their function in plant tissue?	biology	[ "Tracheids – Food storage", "Sieve tubes – Water conduction", "Companion cells – Support", "Vessel elements – Transport of water" ]	D
Which of the following animals exhibits metameric segmentation?	biology	[ "Cockroach", "Earthworm", "Octopus", "Housefly" ]	B
Which of the following plant tissues is responsible for the formation of annual rings in woody dicot stems?	biology	[ "Cork cambium", "Vascular cambium", "Intercalary meristem", "Apical meristem" ]	B
In cockroaches, the excretory organs that remove nitrogenous wastes from the haemolymph are called	biology	[ "Malpighian tubules", "Nephridia", "Green glands", "Flame cells" ]	A
Which of the following is a major photosynthetic pigment in higher plants?	biology	[ "Chlorophyll a", "Phycoerythrin", "Bacteriochlorophyll", "Phycocyanin" ]	A
The hormone responsible for ecdysis (moulting) in insects is	biology	[ "Ecdysone", "Insulin", "Gibberellin", "Thyroxine" ]	A
In which animal is the metameric segmentation of the body most clearly visible?	biology	[ "Earthworm", "Cockroach", "Starfish", "Snail" ]	A
The primary function of lenticels on the stem of a woody plant is to	biology	[ "Facilitate transpiration", "Allow gaseous exchange", "Prevent water loss", "Support mechanical strength" ]	B
Which of the following represents a connecting link between annelids and arthropods?	biology	[ "Peripatus", "Limulus", "Nereis", "Pheretima" ]	A
Which one of the following is a characteristic feature of dicotyledonous roots but not monocotyledonous roots?	biology	[ "Pith is well developed", "Vascular bundles are arranged in a ring", "Secondary growth is commonly present", "Fibrous root system is prominent" ]	C
Which animal exhibits the presence of a four-chambered heart?	biology	[ "Frog", "Crocodile", "Lizard", "Turtle" ]	B
The hormone responsible for molting and metamorphosis in insects is	biology	[ "Insulin", "Thyroxine", "Ecdysone", "Glucagon" ]	C
Which hormone is primarily responsible for inducing ecdysis (moulting) in insects?	biology	[ "Ecdysone", "Auxin", "Gibberellin", "Cytokinin" ]	A
Which of the following events does NOT occur during prophase I of meiosis in animal cells?	biology	[ "Synapsis of homologous chromosomes", "Crossing over", "Separation of sister chromatids", "Disappearance of nucleolus" ]	C
Which of the following plant growth regulators is primarily responsible for breaking seed dormancy in many plants?	biology	[ "Auxin", "Gibberellin", "Cytokinin", "Ethylene" ]	B
Which of the following tissues is responsible for the secondary growth in the stems of dicot plants?	biology	[ "Apical meristem", "Intercalary meristem", "Vascular cambium", "Epidermis" ]	C
In frogs, metamorphosis of the tadpole into an adult is primarily regulated by which hormone?	biology	[ "Adrenaline", "Thyroxine", "Insulin", "Glucagon" ]	B
Which of the following is a feature of dicot leaf anatomy, but not monocot leaf anatomy?	biology	[ "Presence of bulliform cells", "Isobilateral leaf structure", "Reticulate venation", "Parallel venation" ]	C
In cockroach, the blood vessels open into spaces called	biology	[ "Sinuses", "Alveoli", "Lacunae", "Canaliculi" ]	A
Which of the following structures is unique to the phloem tissue of angiosperms?	biology	[ "Companion cells", "Tracheids", "Vessel elements", "Sieve cells" ]	A
Which hormone is primarily responsible for stimulating ecdysis (molting) in insects?	biology	[ "Thyroxine", "Ecdysone", "Insulin", "Testosterone" ]	B
In which group of plants would you expect to find archegonia?	biology	[ "Angiosperms", "Bryophytes", "Gymnosperms", "Pteridophytes" ]	B
Which of the following animals exhibits metamorphosis during its life cycle?	biology	[ "Earthworm", "Frog", "Pigeon", "Rabbit" ]	B
Which of the following plants exhibits phylloclade modification as an adaptation to arid environments?	biology	[ "Opuntia", "Pisum", "Zea mays", "Solanum" ]	A
In cockroach, the malpighian tubules primarily function in	biology	[ "Digestion", "Excretion", "Respiration", "Reproduction" ]	B
Which of the following cells in human blood lack a nucleus at maturity?	biology	[ "Neutrophils", "Eosinophils", "Erythrocytes", "Basophils" ]	C
In which plant tissue are sieve tubes and companion cells typically found together?	biology	[ "Xylem", "Phloem", "Cortex", "Epidermis" ]	B
In cockroach, the respiratory system consists of:	biology	[ "Gills", "Book lungs", "Tracheae", "Lungs" ]	C
Which of the following tissues is responsible for the increase in girth of dicot stems during secondary growth?	biology	[ "Intercalary meristem", "Apical meristem", "Vascular cambium", "Cork cambium" ]	C
Which of the following is the main function of the casparian strip in plant roots?	biology	[ "Facilitates water movement through xylem", "Prevents apoplastic movement of water into the stele", "Stores nutrients in endodermal cells", "Increases absorption surface area" ]	B
Which one of the following structures is characteristic of dicotyledonous roots but absent in monocotyledonous roots?	biology	[ "Pith", "Cambium", "Casparian strip", "Endodermis" ]	B
In which of the following plant families is the floral formula represented as ⊕ ⚥ K(5) C(5) A5 G(2)?	biology	[ "Solanaceae", "Fabaceae", "Liliaceae", "Brassicaceae" ]	A
In cockroach, the respiratory system opens externally through which of the following structures?	biology	[ "Malpighian tubules", "Spiracles", "Nephridia", "Tracheoles" ]	B
In which tissue of the dicot stem is the casparian strip present?	biology	[ "Endodermis", "Pericycle", "Cortex", "Pith" ]	A
In angiosperms, double fertilisation results in the formation of:	biology	[ "Two embryos", "One embryo and one endosperm", "Two endosperms", "One embryo and two cotyledons" ]	B
Which one of the following is an example of a non-endospermic seed?	biology	[ "Castor", "Sunflower", "Pea", "Maize" ]	C
Which hormone is primarily responsible for the process of ecdysis in insects?	biology	[ "Ecdysone", "Gibberellin", "Thyroxine", "Insulin" ]	A
Which of the following is a modified stem for food storage in potato?	biology	[ "Tuber", "Corm", "Rhizome", "Bulb" ]	A
In mammals, the corpus callosum is a structure that connects which of the following?	biology	[ "Medulla oblongata and cerebellum", "Right and left cerebral hemispheres", "Cerebrum and spinal cord", "Hypothalamus and pituitary gland" ]	B
In dicot stems, the vascular bundles are characterized by which of the following features?	biology	[ "Scattered and closed", "Arranged in a ring and open", "Conjoint and closed", "Radial and closed" ]	B
Which one of the following plant hormones is primarily responsible for the ripening of fruits?	biology	[ "Auxin", "Cytokinin", "Ethylene", "Gibberellin" ]	C
The flame cells in Platyhelminthes are mainly involved in which physiological process?	biology	[ "Reproduction", "Excretion", "Digestion", "Respiration" ]	B
The main function of the bundle sheath cells in C4 plants is to:	biology	[ "Store water", "Carry out photorespiration", "Conduct Calvin cycle reactions", "Transport minerals" ]	C
In which of the following animal phyla is the presence of a water vascular system a characteristic feature?	biology	[ "Annelida", "Echinodermata", "Arthropoda", "Mollusca" ]	B
Which of the following animals possesses a true coelom derived from mesoderm?	biology	[ "Planaria", "Ascaris", "Earthworm", "Tapeworm" ]	C
In cockroaches, the respiratory system opens externally through:	biology	[ "Malpighian tubules", "Tracheae", "Spiracles", "Book lungs" ]	C
Which one of the following plant hormones is primarily responsible for promoting cell elongation in stems?	biology	[ "Gibberellin", "Cytokinin", "Abscisic acid", "Ethylene" ]	A
In which of the following animal tissues would you expect to find intercalated discs?	biology	[ "Smooth muscle", "Skeletal muscle", "Cardiac muscle", "Areolar connective tissue" ]	C
The Malpighian tubules in insects are chiefly involved in:	biology	[ "Respiration", "Excretion", "Digestion", "Circulation" ]	B
Which plant tissue is responsible for the increase in the girth of stems and roots in dicot plants?	biology	[ "Intercalary meristem", "Apical meristem", "Vascular cambium", "Epidermis" ]	C
In which phylum do animals first exhibit a true coelom lined by mesodermal tissue?	biology	[ "Annelida", "Platyhelminthes", "Cnidaria", "Porifera" ]	A
In which plant tissue are casparian strips found, helping to regulate the movement of water and minerals?	biology	[ "Phloem", "Cortex", "Endodermis", "Pericycle" ]	C
The process of ecdysis in arthropods is primarily controlled by which hormone?	biology	[ "Ecdysone", "Insulin", "Thyroxine", "Adrenaline" ]	A
Which one of the following tissues in plants is primarily responsible for the transport of organic nutrients?	biology	[ "Xylem", "Phloem", "Collenchyma", "Sclerenchyma" ]	B
Which structure is characteristic of a mammalian nephron but absent in invertebrate excretory systems?	biology	[ "Loop of Henle", "Malpighian tubule", "Green gland", "Flame cell" ]	A
In which animal is the presence of a four-chambered heart an adaptation for complete separation of oxygenated and deoxygenated blood?	biology	[ "Frog", "Lizard", "Crocodile", "Fish" ]	C
Which of the following features is characteristic of dicot leaf anatomy but absent in monocot leaves?	biology	[ "Presence of palisade parenchyma", "Parallel venation", "Bulliform cells", "Stomata on both surfaces" ]	A
In which phase of the cell cycle does the replication of DNA take place in animal cells?	biology	[ "G1 phase", "S phase", "G2 phase", "M phase" ]	B
Which of the following is a characteristic feature of dicotyledonous roots but NOT monocotyledonous roots?	biology	[ "Presence of a well-developed pith", "Exarch xylem", "Polyarch vascular bundles", "Secondary growth is common" ]	D
In the cockroach, the function of Malpighian tubules is primarily associated with	biology	[ "Digestion of food", "Excretion of nitrogenous wastes", "Respiration", "Production of hemolymph" ]	B
Which of the following is the main function of the Casparian strip in plant roots?	biology	[ "Facilitating water absorption by osmosis", "Restricting the passive flow of substances into the vascular cylinder", "Enhancing photosynthesis in root cells", "Transporting sugars from leaves to roots" ]	B
In cockroaches, the respiratory openings present on the body surface are called	biology	[ "Nephridia", "Tracheae", "Spiracles", "Book lungs" ]	C
In which type of placentation are the ovules borne on a central axis with no septa between them?	biology	[ "Axile", "Parietal", "Free central", "Marginal" ]	C
Which of the following is the most abundant protein in the animal world?	biology	[ "Collagen", "Keratin", "Myosin", "Elastin" ]	A
Which of the following is NOT a function of the stomata in plants?	biology	[ "Facilitating gaseous exchange", "Regulating transpiration", "Absorbing mineral ions", "Controlling water loss" ]	C
In cockroach, which segment bears the pair of anal cerci?	biology	[ "7th abdominal segment", "8th abdominal segment", "10th abdominal segment", "6th abdominal segment" ]	C
In mammals, which organ is responsible for the production of urea?	biology	[ "Kidney", "Liver", "Lung", "Pancreas" ]	B
Which type of inflorescence is characterized by the youngest flower being at the base and older flowers towards the apex?	biology	[ "Racemose", "Cyathium", "Cymose", "Verticillaster" ]	C
Which of the following plants exhibits phyllotaxy in which leaves are arranged in pairs at each node, opposite to each other?	biology	[ "Hibiscus rosa-sinensis", "Calotropis procera", "Nerium indicum", "China rose" ]	C
In cockroach, the respiratory system opens externally through small holes called	biology	[ "Malpighian tubules", "Tracheae", "Spiracles", "Nephridia" ]	C
Which of the following plants exhibits phylloclade modification to adapt to arid environments?	biology	[ "Opuntia", "Pisum", "Brassica", "Mango" ]	A
In which animal is the circulatory system described as being open type?	biology	[ "Earthworm", "Cockroach", "Frog", "Human" ]	B
Which of the following plant tissues is responsible for the secondary growth in dicot stems?	biology	[ "Phellogen", "Vascular cambium", "Epidermis", "Collenchyma" ]	B
In which phylum do animals exhibit radial symmetry and possess cnidocytes?	biology	[ "Annelida", "Arthropoda", "Cnidaria", "Platyhelminthes" ]	C
Which one of the following plant tissues is responsible for the movement of water and minerals from roots to leaves?	biology	[ "Phloem", "Xylem", "Collenchyma", "Epidermis" ]	B
Which one of the following is a characteristic feature of dicot stem but not monocot stem?	biology	[ "Scattered vascular bundles", "Presence of cambium", "Large pith", "Closed vascular bundles" ]	B
In earthworm, the respiratory exchange of gases occurs primarily through	biology	[ "Lungs", "Moist skin", "Gills", "Book lungs" ]	B
Which one of the following is a non-endospermic seed?	biology	[ "Castor", "Wheat", "Pea", "Maize" ]	C
In cockroach, the excretory organs known as Malpighian tubules open into the	biology	[ "Foregut", "Midgut", "Hindgut", "Body cavity" ]	C
In which animal is flame cell a part of the excretory system?	biology	[ "Earthworm", "Cockroach", "Planaria", "Frog" ]	C
In mammals, the structure responsible for the filtration of blood in the nephron is the	biology	[ "Loop of Henle", "Bowman’s capsule", "Collecting duct", "Distal convoluted tubule" ]	B
In cockroaches, the malpighian tubules are primarily involved in which physiological process?	biology	[ "Respiration", "Excretion", "Digestion", "Reproduction" ]	B
Which one of the following is a C4 plant that shows Kranz anatomy?	biology	[ "Wheat", "Rice", "Maize", "Pea" ]	C
In cockroach, which part of the alimentary canal is responsible for grinding the food?	biology	[ "Crop", "Gizzard", "Colon", "Rectum" ]	B
Which part of the root is primarily responsible for the absorption of water and minerals in plants?	biology	[ "Zone of elongation", "Root cap", "Root hair zone", "Zone of maturation" ]	C
In which plant tissue are tracheids and vessel elements primarily found?	biology	[ "Phloem", "Xylem", "Collenchyma", "Epidermis" ]	B
In cockroaches, the respiratory system opens to the exterior through small holes called	biology	[ "Malpighian tubules", "Nephridia", "Spiracles", "Tracheoles" ]	C
Which of the following tissues in plants is responsible for the transport of organic nutrients?	biology	[ "Xylem", "Phloem", "Collenchyma", "Sclerenchyma" ]	B
In which animal does the process of metamorphosis occur during its life cycle?	biology	[ "Earthworm", "Cockroach", "Leech", "Hydra" ]	B
Which of the following cells in plant roots is responsible for the absorption of water and minerals from the soil?	biology	[ "Cortex cells", "Root hair cells", "Endodermal cells", "Pericycle cells" ]	B
In which phylum do animals possess a water vascular system used for locomotion and feeding?	biology	[ "Arthropoda", "Echinodermata", "Annelida", "Mollusca" ]	B
Which tissue is responsible for the increase in girth of dicot stems?	biology	[ "Cork cambium", "Interfascicular cambium", "Vascular cambium", "Apical meristem" ]	C
Which of the following statements about double fertilization in angiosperms is correct?	biology	[ "Both male gametes fertilize two egg cells", "One male gamete fuses with egg, other with polar nuclei", "Both male gametes fuse with polar nuclei", "One male gamete fuses with antipodal cells" ]	B
In cockroaches, which structure is responsible for the storage of sperm received during copulation?	biology	[ "Seminal vesicle", "Ootheca", "Spermatheca", "Malpighian tubule" ]	C
Which type of inflorescence is characterized by a main axis that grows indefinitely and bears flowers laterally in an acropetal succession?	biology	[ "Cymose", "Racemose", "Capitulum", "Umbel" ]	B
In mammals, the corpus callosum is primarily responsible for	biology	[ "Connecting the two cerebral hemispheres", "Regulating hormonal secretion", "Controlling voluntary muscle movement", "Initiating reflex actions" ]	A

In dicot stems, the vascular bundles are characterized by which arrangement?

biology

[ "Scattered throughout the ground tissue", "Arranged in a ring", "Present only at the periphery", "Found only in the pith region" ]

B

In cockroaches, which structure serves as the primary site for excretion and osmoregulation?

biology

[ "Malpighian tubules", "Nephridia", "Green glands", "Flame cells" ]

A

Which meristem is responsible for the increase in the length of plant roots?

biology

[ "Intercalary meristem", "Apical meristem", "Lateral meristem", "Cork cambium" ]

B

In cockroaches, the respiratory system opens to the exterior through

biology

[ "Malpighian tubules", "Book lungs", "Spiracles", "Nephridia" ]

C

Which one of the following pairs is correctly matched with respect to their function in plant tissue?

biology

[ "Tracheids – Food storage", "Sieve tubes – Water conduction", "Companion cells – Support", "Vessel elements – Transport of water" ]

D

Which of the following animals exhibits metameric segmentation?

biology

[ "Cockroach", "Earthworm", "Octopus", "Housefly" ]

B

Which of the following plant tissues is responsible for the formation of annual rings in woody dicot stems?

biology

[ "Cork cambium", "Vascular cambium", "Intercalary meristem", "Apical meristem" ]

B

In cockroaches, the excretory organs that remove nitrogenous wastes from the haemolymph are called

biology

[ "Malpighian tubules", "Nephridia", "Green glands", "Flame cells" ]

A

Which of the following is a major photosynthetic pigment in higher plants?

biology

[ "Chlorophyll a", "Phycoerythrin", "Bacteriochlorophyll", "Phycocyanin" ]

A

The hormone responsible for ecdysis (moulting) in insects is

biology

[ "Ecdysone", "Insulin", "Gibberellin", "Thyroxine" ]

A

In which animal is the metameric segmentation of the body most clearly visible?

biology

[ "Earthworm", "Cockroach", "Starfish", "Snail" ]

A

The primary function of lenticels on the stem of a woody plant is to

biology

[ "Facilitate transpiration", "Allow gaseous exchange", "Prevent water loss", "Support mechanical strength" ]

B

Which of the following represents a connecting link between annelids and arthropods?

biology

[ "Peripatus", "Limulus", "Nereis", "Pheretima" ]

A

Which one of the following is a characteristic feature of dicotyledonous roots but not monocotyledonous roots?

biology

[ "Pith is well developed", "Vascular bundles are arranged in a ring", "Secondary growth is commonly present", "Fibrous root system is prominent" ]

C

Which animal exhibits the presence of a four-chambered heart?

biology

[ "Frog", "Crocodile", "Lizard", "Turtle" ]

B

The hormone responsible for molting and metamorphosis in insects is

biology

[ "Insulin", "Thyroxine", "Ecdysone", "Glucagon" ]

C

Which hormone is primarily responsible for inducing ecdysis (moulting) in insects?

biology

[ "Ecdysone", "Auxin", "Gibberellin", "Cytokinin" ]

A

Which of the following events does NOT occur during prophase I of meiosis in animal cells?

biology

[ "Synapsis of homologous chromosomes", "Crossing over", "Separation of sister chromatids", "Disappearance of nucleolus" ]

C

Which of the following plant growth regulators is primarily responsible for breaking seed dormancy in many plants?

biology

[ "Auxin", "Gibberellin", "Cytokinin", "Ethylene" ]

B

Which of the following tissues is responsible for the secondary growth in the stems of dicot plants?

biology

[ "Apical meristem", "Intercalary meristem", "Vascular cambium", "Epidermis" ]

C

In frogs, metamorphosis of the tadpole into an adult is primarily regulated by which hormone?

biology

[ "Adrenaline", "Thyroxine", "Insulin", "Glucagon" ]

B

Which of the following is a feature of dicot leaf anatomy, but not monocot leaf anatomy?

biology

[ "Presence of bulliform cells", "Isobilateral leaf structure", "Reticulate venation", "Parallel venation" ]

C

In cockroach, the blood vessels open into spaces called

biology

[ "Sinuses", "Alveoli", "Lacunae", "Canaliculi" ]

A

Which of the following structures is unique to the phloem tissue of angiosperms?

biology

[ "Companion cells", "Tracheids", "Vessel elements", "Sieve cells" ]

A

Which hormone is primarily responsible for stimulating ecdysis (molting) in insects?

biology

[ "Thyroxine", "Ecdysone", "Insulin", "Testosterone" ]

B

In which group of plants would you expect to find archegonia?

biology

[ "Angiosperms", "Bryophytes", "Gymnosperms", "Pteridophytes" ]

B

Which of the following animals exhibits metamorphosis during its life cycle?

biology

[ "Earthworm", "Frog", "Pigeon", "Rabbit" ]

B

Which of the following plants exhibits phylloclade modification as an adaptation to arid environments?

biology

[ "Opuntia", "Pisum", "Zea mays", "Solanum" ]

A

In cockroach, the malpighian tubules primarily function in

biology

[ "Digestion", "Excretion", "Respiration", "Reproduction" ]

B

Which of the following cells in human blood lack a nucleus at maturity?

biology

[ "Neutrophils", "Eosinophils", "Erythrocytes", "Basophils" ]

C

In which plant tissue are sieve tubes and companion cells typically found together?

biology

[ "Xylem", "Phloem", "Cortex", "Epidermis" ]

B

In cockroach, the respiratory system consists of:

biology

[ "Gills", "Book lungs", "Tracheae", "Lungs" ]

C

Which of the following tissues is responsible for the increase in girth of dicot stems during secondary growth?

biology

[ "Intercalary meristem", "Apical meristem", "Vascular cambium", "Cork cambium" ]

C

Which of the following is the main function of the casparian strip in plant roots?

biology

[ "Facilitates water movement through xylem", "Prevents apoplastic movement of water into the stele", "Stores nutrients in endodermal cells", "Increases absorption surface area" ]

B

Which one of the following structures is characteristic of dicotyledonous roots but absent in monocotyledonous roots?

biology

[ "Pith", "Cambium", "Casparian strip", "Endodermis" ]

B

In which of the following plant families is the floral formula represented as ⊕ ⚥ K(5) C(5) A5 G(2)?

biology

[ "Solanaceae", "Fabaceae", "Liliaceae", "Brassicaceae" ]

A

In cockroach, the respiratory system opens externally through which of the following structures?

biology

[ "Malpighian tubules", "Spiracles", "Nephridia", "Tracheoles" ]

B

In which tissue of the dicot stem is the casparian strip present?

biology

[ "Endodermis", "Pericycle", "Cortex", "Pith" ]

A

In angiosperms, double fertilisation results in the formation of:

biology

[ "Two embryos", "One embryo and one endosperm", "Two endosperms", "One embryo and two cotyledons" ]

B

Which one of the following is an example of a non-endospermic seed?

biology

[ "Castor", "Sunflower", "Pea", "Maize" ]

C

Which hormone is primarily responsible for the process of ecdysis in insects?

biology

[ "Ecdysone", "Gibberellin", "Thyroxine", "Insulin" ]

A

Which of the following is a modified stem for food storage in potato?

biology

[ "Tuber", "Corm", "Rhizome", "Bulb" ]

A

In mammals, the corpus callosum is a structure that connects which of the following?

biology

[ "Medulla oblongata and cerebellum", "Right and left cerebral hemispheres", "Cerebrum and spinal cord", "Hypothalamus and pituitary gland" ]

B

In dicot stems, the vascular bundles are characterized by which of the following features?

biology

[ "Scattered and closed", "Arranged in a ring and open", "Conjoint and closed", "Radial and closed" ]

B

Which one of the following plant hormones is primarily responsible for the ripening of fruits?

biology

[ "Auxin", "Cytokinin", "Ethylene", "Gibberellin" ]

C

The flame cells in Platyhelminthes are mainly involved in which physiological process?

biology

[ "Reproduction", "Excretion", "Digestion", "Respiration" ]

B

The main function of the bundle sheath cells in C4 plants is to:

biology

[ "Store water", "Carry out photorespiration", "Conduct Calvin cycle reactions", "Transport minerals" ]

C

In which of the following animal phyla is the presence of a water vascular system a characteristic feature?

biology

[ "Annelida", "Echinodermata", "Arthropoda", "Mollusca" ]

B

Which of the following animals possesses a true coelom derived from mesoderm?

biology

[ "Planaria", "Ascaris", "Earthworm", "Tapeworm" ]

C

In cockroaches, the respiratory system opens externally through:

biology

[ "Malpighian tubules", "Tracheae", "Spiracles", "Book lungs" ]

C

Which one of the following plant hormones is primarily responsible for promoting cell elongation in stems?

biology

[ "Gibberellin", "Cytokinin", "Abscisic acid", "Ethylene" ]

A

In which of the following animal tissues would you expect to find intercalated discs?

biology

[ "Smooth muscle", "Skeletal muscle", "Cardiac muscle", "Areolar connective tissue" ]

C

The Malpighian tubules in insects are chiefly involved in:

biology

[ "Respiration", "Excretion", "Digestion", "Circulation" ]

B

Which plant tissue is responsible for the increase in the girth of stems and roots in dicot plants?

biology

[ "Intercalary meristem", "Apical meristem", "Vascular cambium", "Epidermis" ]

C

In which phylum do animals first exhibit a true coelom lined by mesodermal tissue?

biology

[ "Annelida", "Platyhelminthes", "Cnidaria", "Porifera" ]

A

In which plant tissue are casparian strips found, helping to regulate the movement of water and minerals?

biology

[ "Phloem", "Cortex", "Endodermis", "Pericycle" ]

C

The process of ecdysis in arthropods is primarily controlled by which hormone?

biology

[ "Ecdysone", "Insulin", "Thyroxine", "Adrenaline" ]

A

Which one of the following tissues in plants is primarily responsible for the transport of organic nutrients?

biology

[ "Xylem", "Phloem", "Collenchyma", "Sclerenchyma" ]

B

Which structure is characteristic of a mammalian nephron but absent in invertebrate excretory systems?

biology

[ "Loop of Henle", "Malpighian tubule", "Green gland", "Flame cell" ]

A

In which animal is the presence of a four-chambered heart an adaptation for complete separation of oxygenated and deoxygenated blood?

biology

[ "Frog", "Lizard", "Crocodile", "Fish" ]

C

Which of the following features is characteristic of dicot leaf anatomy but absent in monocot leaves?

biology

[ "Presence of palisade parenchyma", "Parallel venation", "Bulliform cells", "Stomata on both surfaces" ]

A

In which phase of the cell cycle does the replication of DNA take place in animal cells?

biology

[ "G1 phase", "S phase", "G2 phase", "M phase" ]

B

Which of the following is a characteristic feature of dicotyledonous roots but NOT monocotyledonous roots?

biology

[ "Presence of a well-developed pith", "Exarch xylem", "Polyarch vascular bundles", "Secondary growth is common" ]

D

In the cockroach, the function of Malpighian tubules is primarily associated with

biology

[ "Digestion of food", "Excretion of nitrogenous wastes", "Respiration", "Production of hemolymph" ]

B

Which of the following is the main function of the Casparian strip in plant roots?

biology

[ "Facilitating water absorption by osmosis", "Restricting the passive flow of substances into the vascular cylinder", "Enhancing photosynthesis in root cells", "Transporting sugars from leaves to roots" ]

B

In cockroaches, the respiratory openings present on the body surface are called

biology

[ "Nephridia", "Tracheae", "Spiracles", "Book lungs" ]

C

In which type of placentation are the ovules borne on a central axis with no septa between them?

biology

[ "Axile", "Parietal", "Free central", "Marginal" ]

C

Which of the following is the most abundant protein in the animal world?

biology

[ "Collagen", "Keratin", "Myosin", "Elastin" ]

A

Which of the following is NOT a function of the stomata in plants?

biology

[ "Facilitating gaseous exchange", "Regulating transpiration", "Absorbing mineral ions", "Controlling water loss" ]

C

In cockroach, which segment bears the pair of anal cerci?

biology

[ "7th abdominal segment", "8th abdominal segment", "10th abdominal segment", "6th abdominal segment" ]

C

In mammals, which organ is responsible for the production of urea?

biology

[ "Kidney", "Liver", "Lung", "Pancreas" ]

B

Which type of inflorescence is characterized by the youngest flower being at the base and older flowers towards the apex?

biology

[ "Racemose", "Cyathium", "Cymose", "Verticillaster" ]

C

Which of the following plants exhibits phyllotaxy in which leaves are arranged in pairs at each node, opposite to each other?

biology

[ "Hibiscus rosa-sinensis", "Calotropis procera", "Nerium indicum", "China rose" ]

C

In cockroach, the respiratory system opens externally through small holes called

biology

[ "Malpighian tubules", "Tracheae", "Spiracles", "Nephridia" ]

C

Which of the following plants exhibits phylloclade modification to adapt to arid environments?

biology

[ "Opuntia", "Pisum", "Brassica", "Mango" ]

A

In which animal is the circulatory system described as being open type?

biology

[ "Earthworm", "Cockroach", "Frog", "Human" ]

B

Which of the following plant tissues is responsible for the secondary growth in dicot stems?

biology

[ "Phellogen", "Vascular cambium", "Epidermis", "Collenchyma" ]

B

In which phylum do animals exhibit radial symmetry and possess cnidocytes?

biology

[ "Annelida", "Arthropoda", "Cnidaria", "Platyhelminthes" ]

C

Which one of the following plant tissues is responsible for the movement of water and minerals from roots to leaves?

biology

[ "Phloem", "Xylem", "Collenchyma", "Epidermis" ]

B

Which one of the following is a characteristic feature of dicot stem but not monocot stem?

biology

[ "Scattered vascular bundles", "Presence of cambium", "Large pith", "Closed vascular bundles" ]

B

In earthworm, the respiratory exchange of gases occurs primarily through

biology

[ "Lungs", "Moist skin", "Gills", "Book lungs" ]

B

Which one of the following is a non-endospermic seed?

biology

[ "Castor", "Wheat", "Pea", "Maize" ]

C

In cockroach, the excretory organs known as Malpighian tubules open into the

biology

[ "Foregut", "Midgut", "Hindgut", "Body cavity" ]

C

In which animal is flame cell a part of the excretory system?

biology

[ "Earthworm", "Cockroach", "Planaria", "Frog" ]

C

In mammals, the structure responsible for the filtration of blood in the nephron is the

biology

[ "Loop of Henle", "Bowman’s capsule", "Collecting duct", "Distal convoluted tubule" ]

B

In cockroaches, the malpighian tubules are primarily involved in which physiological process?

biology

[ "Respiration", "Excretion", "Digestion", "Reproduction" ]

B

Which one of the following is a C4 plant that shows Kranz anatomy?

biology

[ "Wheat", "Rice", "Maize", "Pea" ]

C

In cockroach, which part of the alimentary canal is responsible for grinding the food?

biology

[ "Crop", "Gizzard", "Colon", "Rectum" ]

B

Which part of the root is primarily responsible for the absorption of water and minerals in plants?

biology

[ "Zone of elongation", "Root cap", "Root hair zone", "Zone of maturation" ]

C

In which plant tissue are tracheids and vessel elements primarily found?

biology

[ "Phloem", "Xylem", "Collenchyma", "Epidermis" ]

B

In cockroaches, the respiratory system opens to the exterior through small holes called

biology

[ "Malpighian tubules", "Nephridia", "Spiracles", "Tracheoles" ]

C

Which of the following tissues in plants is responsible for the transport of organic nutrients?

biology

[ "Xylem", "Phloem", "Collenchyma", "Sclerenchyma" ]

B

In which animal does the process of metamorphosis occur during its life cycle?

biology

[ "Earthworm", "Cockroach", "Leech", "Hydra" ]

B

Which of the following cells in plant roots is responsible for the absorption of water and minerals from the soil?

biology

[ "Cortex cells", "Root hair cells", "Endodermal cells", "Pericycle cells" ]

B

In which phylum do animals possess a water vascular system used for locomotion and feeding?

biology

[ "Arthropoda", "Echinodermata", "Annelida", "Mollusca" ]

B

Which tissue is responsible for the increase in girth of dicot stems?

biology

[ "Cork cambium", "Interfascicular cambium", "Vascular cambium", "Apical meristem" ]

C

Which of the following statements about double fertilization in angiosperms is correct?

biology

[ "Both male gametes fertilize two egg cells", "One male gamete fuses with egg, other with polar nuclei", "Both male gametes fuse with polar nuclei", "One male gamete fuses with antipodal cells" ]

B

In cockroaches, which structure is responsible for the storage of sperm received during copulation?

biology

[ "Seminal vesicle", "Ootheca", "Spermatheca", "Malpighian tubule" ]

C

Which type of inflorescence is characterized by a main axis that grows indefinitely and bears flowers laterally in an acropetal succession?

biology

[ "Cymose", "Racemose", "Capitulum", "Umbel" ]

B

In mammals, the corpus callosum is primarily responsible for

biology

[ "Connecting the two cerebral hemispheres", "Regulating hormonal secretion", "Controlling voluntary muscle movement", "Initiating reflex actions" ]

A