1. Which of these adaptations is not shown by a camel for living in deserts?
a) Perspires a lot
b) Has a hump on its back
c) Passes scanty of urine
d) The sole of feet have sort of pads
Answer: a) Perspires a lot

2. Boojho comes across an animal having a stream-lined and slippery body. What is the habitat of the animal?
a) Mountain
b) Grassland
c) Desert
d) Water
Answer: d) Water

3. Small changes that take place in body of single organism to adjust in changed habitat is called
a) Absorbstion
b) Rehabilitation
c) Acclamation
d) Hebetation
Answer: c) Acclamation

4. Thick fat deposits below the skin are useful in polar region to:
a) Provide energy in the absence of food
b) Make them strong
c) Prevents heat loss
d) Make the body waterproof
Answer: c) Prevents heat loss

5. Combination of feature find in grass are
a) Reticulate venation and tap root
b) Parallel venation and fibrous root
c) Reticulate venation and fibrous root
d) Parallel venation and tap root
Answer: b) Parallel venation and fibrous root

6. Long legs of camels help them in living in deserts by
a) Keeping body away from heat of sand
b) Holding the nose above to respire cold air
c) Making comfortable walking on sand
d) Keeping food near his mouth
Answer: a) Keeping body away from heat of sand

7. A herb is one having
a) A number of flower and fruits
b) Woody short stems
c) Green soft and short stems
d) Annual growth
Answer: c) Green soft and short stems

8. Average weather condition over a long period of time is called
a) Humidity
b) Troposphere
c) Climate
d) Temperature
Answer: c) Climate

9. Which one is not an example of habitat?
a) Cultivated land with grazing cattle
b) A pond with fish
c) Forest with wild animals
d) A desert with camel
Answer: a) Cultivated land with grazing cattle

10. Which of the following is a biotic components:
a) Decomposer
b) Water
c) Air
d) Soil
Answer: a) Decomposer

11. Camel is adapted to desert habitat due to presence of
a) Thick skin and white body
b) Small feet and thick hair on the body
c) Large eye and long tail
d) Padded feet and large hump
Answer: d) Padded feet and large hump

12. Adaptation arises due to
a) Change in climatic condition
b) Sudden change in habitat
c) All of these
d) Variation during reproduction
Answer: d) Variation during reproduction

13. The plant having the stem branching out near the base and bushy appearance are called
a) Trees
b) Herbs
c) Shrubs
d) Climber
Answer: c) Shrubs

14. Which term means Adjustment to the environment?
a) Aestivation
b) Hibernation
c) Mimicry
d) Adaptation
Answer: d) Adaptation

15. Which of the following briefly describes the desert climate?
a) Hot and dry
b) Hot and humid
c) Hot and wet
d) Dry and humid
Answer: a) Hot and dry

16. To live on trees monkeys have
a) Hairy body
b) Long tail
c) Small paws
d) Long legs
Answer: b) Long tail

17. Adaptation takes place in
a) Few years
b) Few days
c) Over thousands of years
d) Few months
Answer: c) Over thousands of years

18. New species develops due to
a) Adaptation
b) Climate change
c) Habituation
d) Evolution
Answer: d) Evolution

19. The plant that completes its life cycle within a single growing season of less than one year is called
a) Perennials
b) Biennials
c) Seasonal
d) Annuals
Answer: d) Annuals

20 The tropical rain forest has a large population due to:
a) Continuous warmth and heavy rain
b) Continuous snowfall and warmth
c) Large space and cold climate
d) Cold climate and heavy rainfall
Answer: a) Continuous warmth and heavy rain

21. Red-eyed frogs have developed sticky pad to:
a) Climb tree
b) Catch the prey
c) Stick to the prey
d) To lay eggs on tree
Answer: a) Climb tree

22. Abiotic factors like sunlight, air, water and heat are important for
a) Heeling of wounds
b) Growth of plants
c) All of these
d) Formation of seed
Answer: c) All of these

23. Polar bears are good swimmers they go on swimming to:
a) Keep the body cool in hotter condition and hunt down fishes
b) Clean the body
c) Make body hot
d) Remove the ice attached on the body
Answer: a) Keep the body cool in hotter condition and hunt down fishes

24. Many tropical animals blend their skin colour with surroundings. This feature is called
a) Aestivation
b) Blending
c) Hibernating
d) Camouflage
Answer: d) Camouflage

25. Penguins huddle together to:
a) To keep cool
b) To protect from predators
c) To keep them warm
d) To exchange food
Answer: c) To keep them warm

26. Long trunk, large ears and modified tooth are adaptive features of
a) All of these
b) Monkey
c) Dinosaur
d) Elephant
Answer: d) Elephant

27. Tropical rainforest support a large number of plants and animals because of:
a) Continuous warmth and rain
b) Warm and cold temperature
c) Cold and moderate rain
d) Hot and heavy rain
Answer: a) Continuous warmth and rain

28. Which one is a abiotic factor of environment?
a) Producer
b) Decomposer
c) Air
d) Consumer
Answer: c) Air

29. Which of the following part of India has a hot and dry climate?
a) North-East Region
b) Kashmir
c) Kerala
d) Rajasthan
Answer: d) Rajasthan

30. Forest, grassland, desert and mountain region are example of
a) Aquatic habitat
b) Xerophytic habitat
c) Terrestrial habitat
d) Mesophytic habitat
Answer: c) Terrestrial habitat

31. Given below are some adaptive features of animals:
Layer of fat under the skin
Long, curved and sharp claws
Slippery body
Thick white fur
Which of them are the adaptive features of a polar bear?
a) (i) only
b) (i), (ii) and (iii) only
c) (i), (ii) and (iv) only
d) (i) and (ii) only
Answer: c) (i), (ii) and (iv) only

32. The place where a living organism live is called
a) Habitat
b) Room
c) Habit
d) House
Answer: a) Habitat

33. Which of the following combination of features would you observe in grass?
a) Parallel venation and tap root
b) Reticulate venation and fibrous root
c) Reticulate venation and tap root
d) Parallel venation and fibrous root
Answer: d) Parallel venation and fibrous root

34. Trees grow faster in
a) Winter
b) Autumn
c) Summer
d) Spring
Answer: d) Spring

35. Which of the following organism can live without water for many days?
a) Dog
b) Camel
c) Horse
d) Fish
Answer: b) Camel

36. Small plant with soft, delicate and green stem are called
a) Shrubs
b) Climber
c) Herbs
d) Tree
Answer: c) Herbs

37. Climate of a place do not depends on
a) Temperature
b) Altitude
c) Vegetation
d) Humidity
Answer: c) Vegetation

38. The plant having thick hard stem and branch appear at the highest part is called
a) Shrub
b) Herb
c) Climber
d) Tree
Answer: d) Tree

39. Toucan has long and strong beaks to:
a) Eat tough and hard fruits
b) Avoid the predator
c) Reach the fruits on weak branches
d) Break the stem
Answer: c) Reach the fruits on weak branches

40. We find animals of particular type living in particular habitat because
a) Their parents are found there
b) They found their mate there
c) They like to live there
d) They have adapted to that habitat
Answer: d) They have adapted to that habitat