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Living Organism

Total questions: 47

Worksheet time: 24mins

Name
Class
Date
1.

All objects have similar shapes and sizes.

a)

True

b)

False

2.

Leaves in aquatic plants are reduced in size to minimize their evaporating surface.

a)

True

b)

False

3.

All living organisms need water for their survival.

a)

True

b)

False

4.

Soil, water and air are ……………… components of a habitat.

a)

Biotic

b)

Solid

c)

Abiotic

d)

Liquid

5.

The process of removal of wastes in plants.

a)

Excretion

b)

Secretion

c)

Inhalation

d)

Respiration

6.

Respiration in aquatic animals occurs by

a)

lungs

b)

legs

c)

nostrils

d)

gills

7.

What are the characteristics of a desert plant?

a)

No leaves or very small leaves

b)

Spines

c)

Deep roots

d)

All of these

8.

Which is a biotic component of environment?

a)

Plants

b)

Animals

c)

Microorganisms

d)

All of these

9.

Animals and plants have certain features which make them to survive in a particular habitat. This is called

a)

adaptation

b)

speciation

c)

specialisation

d)

evolution

10.

Which one of the following statements is correct?

a)

Several kinds of plants and animals may share the same habitat.

b)

All the animals and plants in a habitat are adopted to it.

c)

Both the statements are correct.

d)

None of these is correct.

11.

The presence of special body features which enable a plant or an animal to live in a particular habitat.

a)

adaptation

b)

acclimatisation

c)

both are correct

d)

none

12.

Which is not a characteristic of lion?

a)

Lion has eyes on the sides of its head.

b)

Lion can withdraw the claws in its front legs.

c)

Lion has light brown colour.

d)

Lion is a fast animal.

13.

The process of becoming accustomed to a different environment over short periods is called

a)

adaptation

b)

acclimatisation

c)

adjustment

d)

none

14.

The place where a plant and animals lives is called

(a)  

15.

One of the following is not a terrestrial habitat?

a)

soil

b)

tree

c)

ocean

d)

desert

16.

Which one of the following is stored in a camel's hump for use in emergency situations?

a)

air

b)

fat

c)

water

d)

carbohydrates

17.

Which of the following animals does not have gills?

a)

squids

b)

octopus

c)

dolphin

d)

fish

18.

Which one of these aquatic plants grows completely submerged under water?

a)

water hyacinth

b)

hydrilla

c)

water lily

d)

lotus

19.

Which one of these animals can live on land as well as in water?

a)

deer

b)

giraffe

c)

frog

d)

fox

20.

Fishes move about in the water with the help of their

a)

mouth and tail

b)

legs and scales

c)

wings and tails

d)

fins and tails

21.

Soil, water and air are ……………… components of a habitat.

a)

Biotic

b)

Solid

c)

Abiotic

d)

Liquid

22.

Which is a biotic component of environment?

a)

Plants

b)

Animals

c)

Microorganisms

d)

All of these

23.

In cactus, photosynthesis is carried out by the __________

a)

roots

b)

leaves

c)

stem

24.

The changes that occur in the body to overcome small problems due to changes in surroundings is known as __________

a)

adaptation

b)

acclimatisation

c)

camouflage

25.

The special features which enable living organisms to survive in their surrounding is known as _______

a)

habitat

b)

adaptation

c)

abiotic

26.

Plants, animals and microorganisms constitute ___________ components

a)

biotic

b)

abiotic

c)

habitat

27.

Boojho comes across an animal having a stream-lined and slippery body. What is the habitat of the animal?

a)

Aquatic

b)

Desert

c)

grassland

d)

mountain

28.

What helps the plant body to float??

a)

Air filed spaces

b)

Waxy Coating

c)

Air sacs

29.

Which of the following are examples of hydrophytes??

a)

Water Lily

b)

Water hyacinth

c)

Rose

d)

Lotus

e)

Cactus

30.

Water is taken in through the mouth and passed over these gills - True/False

a)

True

b)

False

31.

Which fin helps in changing direction ?

a)

Tail fin

b)

Gills

c)

Caudal Fin

d)

Fin

32.

_______ is green in color due to the presence of chlorophyll. (In a cactus)

a)

Stem

b)

Leaves

c)

Spines

d)

Feathers

33.

The ___ _____ in the body cavity which results in lightness of the body and helps in flight.

4 lines
34.

Camel lives on the fat stored in its _______

a)

Hump

b)

Eyes

c)

Foot

d)

None of the Above

35.

Animals in Cold Places have a coat thick hair to prevent them from (a)  

36.

Whose body is streamlined??

a)

Clownfish

b)

Pigeon

c)

Chamois

d)

Fish

37.

.......... gas is released by the plants in the process of photosynthesis

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

38.

The bacterium which provides nitrogen to the leguminous plants is -

a)

Rhizobium

b)

Yeast

c)

Lichens

39.

The components that are necessary for our body are called-

a)

Pulses

b)

Cereals

c)

Nutrients

40.

The term that is used for the mode of nutrition in yeast, mushroom and bread mould is -

a)

Autotrophic

b)

Parasitic

c)

Saprophytic

41.

Two organisms are good friends and live together. One provides shelter, water and nutrients while the other prepares and provides food. Such an association of organisms is termed as -

a)

Saprophyte

b)

Parasite

c)

Symbiosis

42.

Which of the following raw material is available in the air for photosynthesis?

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

43.

When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings

a)

Stomata

b)

Veins

c)

Lamina

44.

Pitcher plant traps insects because it-

a)

Is a heterotrophs

b)

Grows in soils which lack in nitrogen

c)

Does not have chlorophyll

45.

In the absence of which of the following will photosynthesis not occur in leaves?

a)

Guard cells

b)

Chlorophyll

c)

Vacuole

46.

The ability of living organisms to adjust to their environment is called _______

a)

Habitat

b)

Adaptation

c)

Buoyant

d)

I don't know

47.

Organisms which prepare food for themselves using simple naturally available raw materials are referred to as -

a)

Hetertrophs

b)

Saprophytes

c)

Autotrophs