CBSE Class 6 Science Living Beings And Their Surroundings Worksheet

Very short answers:-

1. Give four examples of territorial habitat.

2. What are the various components of a habitat

3. Write the names of animals, plants and other objects found in different surroundings

4. Classify the following as biotic and abiotic components.
a) Bacteria               f) Dog
b) Humidity             g) Polar Bear
c) Light                   h) Air
d) Precipitation        i) Temperature
e) Soil                     j) Water

5. Leaves of pine tree are needle- like. Why ?

6. What is the respiratory organ in :-
a) Fish
b) Earthworm
c) Frog
d) Insects

7. Mention two stimuli that plants respond to.

8. Which of the things in the following list are non living:-
a) Plough e) Boat
b) Mushroom f) Water hyacinth
c) Sewing Machine g) Earthworm
d) Radio

9. Tick the animals which can live in water as well as on land:-
a) Frog
b) Duck
c) Crocodile
d) Human fish
e) Monkey

10. Write True/ False
a) Animals grow through out their life.
b) All living beings response to stimuli.

Short answers:-

11. Define:-
a) Habitat
b) Adaptation
c) Xerophytes
d) Hydrophytes

12. Camels have long legs. Why?

13. Why rats and snakes stay in deep burrows in land?

14. Why are roots of prickly poppy very deep and extensive?

15. Stem of cactus is deep and fleshy. Why?

16. Why lions have eyes in front of their face?

17. Mountain goat has strong hooves. Why?

18. Deer has eye on the side of its head. Why?

19. Why desert animals like rats and snakes stay in deep burrows in the sand during day time?

20. Leaves in desert plants are reduced to spine like structures. Why?

21. Stem in desert plants is coloured with a thick waxy layer. Why?

22. Explain, why speed is important for survival in the grasslands for animals that live there.

23. How is light brown colour of skin of lion helps them to live in forest?

24. Fishes have streamlined body. What is the significance of this shape?

25. Dolphins come out to the surface from time to time. Why?

26. What is the significance of blow holes in whales?

27. What are scales present on the body of a fish?

28. Give two examples of hydrophytes.

29. Mention two ways in which animals cope up with low temperature?

30. Leaves of aquatic plants are narrow and thin and ribbon like. Why?

31. Roots of hydrilla are poorly developed. Why?

32. Stem of lotus is long and hollow. Why?

33. Why frogs are called amphibians of animal kingdom?

34. Define excretion and reproduction

35. How do plants respire?

Longs Answers:-

36. How can camel live without water for many days?

37. Give three adaptive features of animals living in water.

38. How do desert plants control loss of water? (Three features)

39. Why cactus is called a xerophytic plant? Support your answer by giving three features

40. How does a deer protect itself from its predators?

41. What are the three adaptive features of animals living in mountain regions?

42. How are conifers adapted to live in their habitat?

43. What are the characteristics of frog?

44. Differentiate between:-
a) Breathing and Respiration
b) Photosynthesis and Respiration

45. Give four characteristics of living things.

Very short answers:-

1. Give four examples of territorial habitat.

2. What are the various components of a habitat

3. Write the names of animals, plants and other objects found in different surroundings

4. Classify the following as biotic and abiotic components.
a) Bacteria               f) Dog
b) Humidity             g) Polar Bear
c) Light                   h) Air
d) Precipitation        i) Temperature
e) Soil                     j) Water

5. Leaves of pine tree are needle- like. Why ?

6. What is the respiratory organ in :-
a) Fish
b) Earthworm
c) Frog
d) Insects

7. Mention two stimuli that plants respond to.

8. Which of the things in the following list are non living:-
a) Plough e) Boat
b) Mushroom f) Water hyacinth
c) Sewing Machine g) Earthworm
d) Radio

9. Tick the animals which can live in water as well as on land:-
a) Frog
b) Duck
c) Crocodile
d) Human fish
e) Monkey

10. Write True/ False
a) Animals grow through out their life.
b) All living beings response to stimuli.

Short answers:-

11. Define:-
a) Habitat
b) Adaptation
c) Xerophytes
d) Hydrophytes

12. Camels have long legs. Why?

13. Why rats and snakes stay in deep burrows in land?

14. Why are roots of prickly poppy very deep and extensive?

15. Stem of cactus is deep and fleshy. Why?

16. Why lions have eyes in front of their face?

17. Mountain goat has strong hooves. Why?

18. Deer has eye on the side of its head. Why?

19. Why desert animals like rats and snakes stay in deep burrows in the sand during day time?

20. Leaves in desert plants are reduced to spine like structures. Why?

21. Stem in desert plants is coloured with a thick waxy layer. Why?

22. Explain, why speed is important for survival in the grasslands for animals that live there.

23. How is light brown colour of skin of lion helps them to live in forest?

24. Fishes have streamlined body. What is the significance of this shape?

25. Dolphins come out to the surface from time to time. Why?

26. What is the significance of blow holes in whales?

27. What are scales present on the body of a fish?

28. Give two examples of hydrophytes.

29. Mention two ways in which animals cope up with low temperature?

30. Leaves of aquatic plants are narrow and thin and ribbon like. Why?

31. Roots of hydrilla are poorly developed. Why?

32. Stem of lotus is long and hollow. Why?

33. Why frogs are called amphibians of animal kingdom?

34. Define excretion and reproduction

35. How do plants respire?

Longs Answers:-

36. How can camel live without water for many days?

37. Give three adaptive features of animals living in water.

38. How do desert plants control loss of water? (Three features)

39. Why cactus is called a xerophytic plant? Support your answer by giving three features

40. How does a deer protect itself from its predators?

41. What are the three adaptive features of animals living in mountain regions?

42. How are conifers adapted to live in their habitat?

43. What are the characteristics of frog?

44. Differentiate between:-
a) Breathing and Respiration
b) Photosynthesis and Respiration

45. Give four characteristics of living things.

I.Fill in the blanks:

1. Fish have ____________shaped body that help them to move inside water.

2. Small changes that take place in the body of a living organism over a short period to overcome to some problems due to changes in the surrounding are called ________________.

3. In the mountain regions, the trees are normally ______________ shaped.

4. The process of producing more of their own kind by the living organisms is called ________________.

5. Frogs have ____________feet that help them to swim in water.

6. Dolphins and whales breathe through _______________.

7. The process of getting rid of wastes by the living organisms is called ________________.

8. The stems of aquatic plants are long, ______________ and _____________.

9. During respiration, organisms take in _____________ and give out ___________.

10. Exchange of gases in plants take place through the tiny pores on the leaves called ___________________.

II. Write true or false:

1. Several kinds of plants and animals share the same habitat:

2. The light brown skin of the lion helps it to become a predator in the grassland:

3. Desert animals like snakes and rats come during the day:

4. The animals which cannot adapt to changing abiotic factors of a region die out and only adapted ones survive:

5. Animals living in mountain regions have thick skin or fur:

6. Plants donot show respond to stimuli:

7. Some plants remove some of their waste products as secretions :

8. Camels excrete large amount of urine and their dung is wet:

9. Plants carry out photosynthesis only during the daytime and respiration only at night:

III. Name the following:

1.Two terrrestial habitats.

2. Two aquatic habitats.

3. Two plants and two animals of mountain regions

4. Four important abiotic factors needed for growth of plants

5. Breathing organs of fish and earthworms.

6. Any three modes of reproduction by plants.

IV. Define the following:
i. Adaptation
ii. Stimuli

V. Distinguish between:
i. Biotic and abiotic factors.
ii.Terrestrial organisms and aquatic organisms.

VI. Draw, colour and label:
1) a desert plant. 2) an aquatic plant

VII. PROJECT:
Stick pictures of any two plants and two animals belonging to each of the following habitats:
1.Deserts 2. Mountain regions
3. Grasslands 4. Ponds/lakes.

Q1. Define habitat, adaptation, xerophytes and hydrophytes.
Answer : The definitions are as follows:-
a) Habitat- Habitat is the place where an organism lives.
b) Adaptation- Adaptation refers to the presence of specific features or certain habits which enable a plant or animal to live in its surroundings.
c) Xerophytes-Plants which live in dry conditions
d) Hydrophytes-Plants which live in water.

Q2. Leaves of pine tree are needle- like. Why?
Answer : Leaves of pine tree are needle like because this helps the rain water and snow to slide off easily.

Q3. Stem in desert plants is coloured with a thick waxy layer. Why?
Answer : Stem in desert plants is covered with a thin waxy layer so as to reduce the loss of water.

Q4. Classify the following as biotic and abiotic components.
a) Bacteria- Biotic f) Dog- Biotic
b) Humidity- Abiotic g) Polar Bear- Biotic
c) Light- Abiotic h) Air- Abiotic
d) Precipitation- Abiotic i) Temperature- Abiotic
e) Soil- Abiotic j) Water- Abiotic

Q5. Why frogs are called amphibians of animal kingdom?
Answer : Frogs are called amphibians of animal kingdom because they live both in water as well as on land.

Q6. Why rats and snakes stay in deep burrows in land?
Answer : Rats and snakes stay in deep burrows in land so as to stay away from heat.

Q7. Mention two ways in which animals cope up with low temperature?
Answer : The two ways in which animals cope up with low temperature are:
• Thick skin or fur to protect them from cold.
• Yaks have long hair to keep them warm.

Q8. Mention two stimuli that plants respond to.
Answer : The two stimuli are:
• Stem grows towards light.
• Some plants like touch me not close their leaves when we touch it.

Q9. Select the animals which can live in water as well as on land:-
a) Frog- Yes
b) Duck- No
c) Crocodile- No
d) Human fish- No
e) Monkey- No

Q10. Why lions have eyes in front of their face?
Answer : Lions have eyes in front of their face because this allows it to have a correct idea about the location of its prey.

Q11.How do desert plants control the loss of water? Give three adaptive features.
Answer : The three adaptive features are:-
• Leaves are reduced to spine like structure.
• Leaves have a thin waxy coating.
• Roots are deep and extensive.

Q12. Write True/ False
a) Animals grow throughout their life.
b) All living beings response to stimuli.
Answer : a) True
b) True

Q13. Differentiate between:-
a) Breathing and Respiration
b) Living and Non- Living things.
Answer : 

Q14. Define excretion.
Answer : Process of getting rid of the wastes by the living organism is called excretion.

Q15. Give three adaptive features of animals living in water.
Answer : The three features are:-
• Streamlined body.
• Presence of scales.
• Gills for respiration.

Q16. Give three adaptive features of hydrophytes.
Answer : The three features are:-
• Roots are poorly developed.
• Stems are long and hollow.
• Leaves are narrow and thin ribbon- like.

Q17. Give four examples of terrestrial habitat.
1. Forests
2. Grasslands
3. Deserts.
4. Mountain regions.

Q18. How do plants respire?
Answer : Plants respire with the help of stomata.They are the tiny pores present on leaf surface.

Q19)Mention some adaptations of animals living in the mountain regions.
Answer : animals in mountain region have thick skin or fur to protect them from cold.
YAKS- have long hair to keep them warm.
SNOW LEOPARD- has thick fur on its body including feet and toes which protect them from cold when it walks on the snow.
MOUNTAIN GOAT- has strong hones for running up the rocky slopes of the mountains.

Q20)How deer is adapted to live in forests and grassland?
Answer : 1) Deer has strong teeth for chewing hard plant stems of the forest.
2) it has long ears to hear movements of predators.
3) the eyes on the side of its head allow it to look in all directions for danger.
4) the speed of the deer helps to run away from predators.

Q21)How do dolphins and whales breathe,as they don’t have gills?why they come on surface time to time?
Answer : they breathe in air through nostrils or blowholes that are located on the upper parts of their heads.
They can stay inside the water for a long time without breathing,they come out to the surface from time to time , to breathe in air.

Q22) What is stimuli and response?give example.
Answer : changes in our surroundings that makes us respond to them , are called stimuli.
Reaction in return of stimuli is termed as response.
Example-wild animals run away when bright light is flashed towards them.
Bright light is a stimuli and running of animals is response.

Q23)Which part of the following organisms do respiration:
1) frog- skin and lung
2) earthworm- moist skin
3) plants- stomata
4) human being-lung
5) fish- gill
6) dolphins-lungs