CBSE Class 6 Science The Living Organisms and Their Surroundings MCQs

7 .The Living Organisms and Their Surroundings 

Question. The presence of specific features or certain habits, which enable a plant or an animal to live in its surroundings, is called____________ 

a. Habitat 

b. Adaptation  

c.  Terrestrial  

d. Aquatic  

 Answer :   A

Question. In the sea plants and animals are surrounded by: 

a. Sweet water 

b. Saline water 

c.  Hot water 

d. Cold water 

 Answer :   A

Question. Camels have long legs which help to : 

a.  Run long distances  

b.  Keep their body away from the heat of the desert 

c.  Carry a lot of luggage  

d.  Be able to run in the sand 

 Answer :   B

Question. Fishes have scales on their body. This helps them to _________ 

a. Remain in the same place in water. 

b. Balance themselves in water 

c.  Change directions in water 

d. Swim in water. 

 Answer :   A

Question. The surroundings where organisms live is called;  

a.  Adaptation 

b.  Habitat 

c.  Environment 

d. Abiotic environment 

 Answer :   C

Question.  The habitat of plants and animals that live in water is called  

a. Aquatic  

b. Terrestrial 

c.  Mountain 

d. Grassland  

 Answer :   A

Question. The mountain goat has strong hooves: 

a. For attacking other animals 

b. For protecting it from cold 

c.  For running up the rocky slopes 

d. For scratching its back 

 Answer :   C

Question. Lions have eyes in front because 

a. It can see the colour of t he object correctly 

b. It should look in front only 

c.  It can locate its prey exactly 

d. It knows the presence of its prey. 

 Answer :   C

Question. Suppose you accidently sit on a drawing pin. You would jump up quickly. The pricking of the pin is called the ____. 

a.  Response

b.  paining reaction  

c.   quick reaction  

d.  stimulus 

 Answer :   A

Question. Living beings are characterized by all except ____. 

a. Reproduction 

b.  Locomotion 

c.   Respiration 

d.  getting crystallized 

 Answer :   D

Question. Which of the following metabolic activity is responsible for replacing and repairing  tissues? 

a. Reproduction 

b.  Cell division 

c.  Digestion 

d. Growth 

 Answer :   B

1. The place where living beings live is called their ______________

(a) Adaptation (b) Habitat (c) Habit (d) Movement

2. In Cactus plant, _____________ are reduced to spines

(a) Leaves (b) Flowers (c) roots (d) Stem

3. Singhara is an example of _______________

(a) Xerophyte (b) Hydrophyte (c) Mesophyte (d) None of the above

4. Global warming increases the concentration of ___________ in the atmosphere

(a) Oxygen (b) Nitrogen (c) Carbon dioxide (d) Hydrogen

5. Science of study of living things is called ___________

(a) Botany (b) Biology (c) Zoology (d) None of these

6. Bacteria and fungus are examples for ____________

(a) Producers (b) Consumers (c) Decomposers (d) None of these

7. A microscopic plant which can move in water is _____________

(a) Sea-nemone (b) Sponge (c) Celotropis (d) Chlamybomonas

8. Plant waste given out in the form of thick fluid is called as ___________________

(a) Gum (b) Urine (c) Latex (d) Sweat

9. Growth in living things is ____________

(a) Temporary & reversible (b) Permanent and irreversible (c) Both (a) & (b) (d) None of the above

10. The process of producing energy by the break down of food is called ______________

(a) photosynthesis (b) transpiration (c) respiration (d) reproduction

11. Minute pores present in the leaves which help in exchange of gases are called _____________

(a) Style (b) Stamen (c) Stomata (d) Stigma

12. The basic structural and functional unit of living organisms are called as _______________

(a) Cells (b) tissue (c) Organ (d) Organ - System

13. Hydrilla is an example for ____________

(a) Submerged Hydrophyte (b) Floating Hydrophyte (c) Semi-floating Hydrophyte (d) None of the above

14. Living component of a habitat is called as ____________

(a) Abiotic (b) Aquatic (c) Biotic (d) Amphibious

15. ____________ are organisms which cannot prepare their food.

(a) Autotrophs (b) Phototrophs (c) Heterotrophs (d) None of the above 

16. Anything which produce and response in an organism is called as ____________

(a) Life Cycle (b) Adaptation (c) Stimulus (d) Growth

17. An example for unicellular organism is ___________ 

(a) Yeast (b) Mango Plant (c) Dog (d) Men

18. Life cycle of a living organism begins with _____________ 

(a) Birth (b) Growth (c) Death (d) Reproduction

19. Wind dispersed seeds have ____________________ 

(a) wings & hair (b) Hooks (c) fibrous outercoat (d) None of the above

20. Adaptation found in palm and coconut trees is ________________ 

(a) Leaves are reduced (b) Leaves become needle shape (c) Leaves become deeply incised / Seveted (d) Trees grow tall without branches

21. Buffaloes are often found near ponds because 

(a) They breath only in the pond (b) They cool themselves in the pond

(c) They like to play in water (d) None of the above

22. A potted plant is kept in a card board box with a small slit of sun light exhibits ___________ 

(a) Photographic movement (b) Geo-movement (c) Both a & b (d) None of the above

23. If we blow through lime water it turns milky. This proves that _________

(a) lime water has milk in it (b) lime water has oxygen in it (c) Exhaled air contains carbon dioxide (d) None of the above

24. We move our hand immediately, if we touch the hot object. In this which is stimulus. 

(a) hand (b) brain (c) hot object (d) spinal cord

25. Dolphins and whales breathe through _____________ 

(a) Gills (b) Skin (c) Lungs (d) Blowholes

ANSWER KEY FOR : LIVING ORGANISMS &THEIR SURROUNDINGS

1. The place where living beings live is called their Habitat

2. In Cactus plant, Leaves are reduced to spines

3. Singhara is an example of Hydrophyte

4. Global warming increases the concentration of carbon dioxide in the atmosphere

5. Science of study of living things is called Biology

6. Bacteria and fungus are examples for Decomposers

7.  A microscopic plant which can move in water is Chlamydomonas

8. Plant waste given out in the form of thick fluid is called as Latex

9.  Growth in living things is permanent & irreversible

10. The process of producing energy by the break down of food is called Respiration

11. Minute pores present in the leaves which help in exchange of gases are called Stomata

12. The basic structural and functional unit of living organisms are called as Cells

13. Hydrilla is an example for Submerged Hydrophyte

14. Living component of a habitat is called as Biotic

15. Heterotrophs are organisms which cannot prepare their food.

16. Anything which produce and response in an organism is called as Stimulus

17. An example for unicellular organism is Yeast

18. Life cycle of a living organism begins with Birth

19. Wind dispersed seeds have wings & hair

20. Adaptation found in palm and coconut trees is Leaves become needle shape

21. Buffaloes are often found near ponds because they cool themselves in the pond

22. A potted plant is kept in a card board box with a small slit of sun light exhibits Phototraphic movement

23. If we blow through lime water it turns milky. This proves that exhaled air contains carbon dioxide

24. We move our hand immediately, if we touch the hot object. In this which is stimulus hand

25. Dolphins and whales breathe through Blowholes 

Answer Key