Question 1. An example of lotic system __________.
Question 2. The source of atmospheric oxygen is?
(A) Carbon Cycle
(C) Green Plants
(D) Nitrogen cycle
Question 3. Phytoplankton are ________.
(B) Producers of lakes
(C) Consumers of Ocean
(D) Producers of forest
Question 4. What is hibernation and aestivation?
(A) Thermal adaptation is shown by animals
(B) Adaptation of animals to escape from predators
(C) Wind adaptation is shown by animals
Question 5. Lotic ecosystem refers to _____________.
(A) Deep marine water system
(B) Ecosystem of estuaries
(C) Ecosystem of flowing water
(D) Static water system
Question 6. African grasslands are called?
(A) Light is absent
Question 7. Plants which grow in shade are called?
Question 8. Organisms which depened on Producers for nutrition are called?
Question 9. Sulphur bacteria are examples of __________.
Question 10. Autotrophs are ________.
Question 11. What is a lentic habitat?
(A) Running water habitat
(B) Marine habitat
(C) Standing or still water habitat
(D) None of the above
Question 12. Photosynthesis is found in?
Question 13. _______ is one of the most endangered species of Indian birds.
(A) The great Indian bustard
(C) Paradise fly catcher
(D) Bee eater
Question 14. The major reservoir of carbon is?
(B) Plant and animals
(C) Ocean Bed
(D) The atmosphere
Question 15. What is desertification?
(A) Conversion of croplands into the desert
(B) Conversion of forests into the desert
(C) Conversion of grassland into desert
(D) All of the above
Question 16. What is Plankton?
(A) Bottom dwelling aquatic organisms
(B) Large plants in water
(C) Microscopic floating organisms – Plants and animals
(D) None of the above
Question 17. What is deep ecology?
(A) Ecology of caves
(B) Ecology of forest
(C) Ecology of deep sea
(D) Protecting nature for its own sake
Question 18. Green Land biome __________.
Question 19. ________Species is known as Azadirachta Indica.
Question 20. _______Is a marine tortoise that shows the unique phenomenon ‘arribada’.
(A) B & C
(B) Travancore Tortoise
(C) Star Tortoise
(D) Olive Ridley
Question 21. North American grassland is called?
Question 22. A Hawk that eats a frog is a ______.
(A) Tertiary Consumer
(B) Secondary Consumer
(C) Primary Consumer
Question 23._______Tree is known as the ‘flame of the forest’?
(C) Butea monosperma
Question 24. What is Canopy?
(A) Climbers on trees
(B) Soil in forest
(C) Ground level of the forest
(D) Uppermost level of the forest
Question 25. The simplest aquatic ecosystem can be seen in a __________.
(A) Water Tank