2267 + Mcqs in Science McqOptions

1.	Select an animal whose body is not streamlined, however when they move in water they make the body shape streamlined.
A.	Squids
B.	Octopus
C.	Both of these
D.	None of these
Answer» D. None of these

Discussion

2.	Which of the following is correct for frogs?
A.	They usually have ponds as their habitat.
B.	They have strong front legs.
C.	Both the above
D.	None of these
Answer» B. They have strong front legs.

Discussion

3.	A snow leopard
A.	has thick far on its body but not on its feet toes
B.	has thick far on its body including its feet and toes
C.	Both the above
D.	None of the above
Answer» C. Both the above

Discussion

4.	In trees of mountain region, we generally find that
A.	they are cone shaped
B.	they have non-sloping branch
C.	they have needle like leaves
D.	only (a) and (c) are correct
Answer» E.

Discussion

5.	In desert plants, the process of photosynthesis is carried out by
A.	leaves
B.	roots
C.	stems
D.	branches
Answer» D. branches

Discussion

6.	The long legs of a camel
A.	help it to move fast
B.	help it to keep its body away from heat of sand
C.	help it to defend itself from its enemies
D.	All of the above
Answer» C. help it to defend itself from its enemies

Discussion

7.	Select the characteristics that a plant adapt to survive in desert
A.	its leaves are modified into spines
B.	its stem is covered with thick waxy layer
C.	its root penetrate deep into the ground
D.	All of the above
Answer» E.

Discussion

8.	In plant like grapevine weak stems are modified to form ____ to support weak stems.
A.	Spines
B.	Tendrils
C.	Bulbs
D.	Flowers
E.	None of these
Answer» C. Bulbs

Discussion

9.	Which among the following has reticulate venation?
A.	Plants in which seeds having single cotyledon.
B.	Plants in which seeds having two cotyledons.
C.	Plants having tap roots.
D.	Both [b] and [c]
E.	None of these
Answer» E. None of these

Discussion

10.	A stem modification which has fibrous roots.
A.	Beetroot
B.	Ginger
C.	Radish
D.	Turnip
E.	None of these
Answer» C. Radish

Discussion

11.	Which of the following plants have tap root system?
A.	Wheat
B.	Barley
C.	Grass
D.	Turnip
E.	None of these
Answer» E. None of these

Discussion

12.	Desert plants have either small leaves or have only spines to:
A.	Perform photosynthesis.
B.	Prevent the loss of water.
C.	Absorb more sunlight.
D.	Release more water into environment.
E.	None of these
Answer» C. Absorb more sunlight.

Discussion

13.	Microscopic animals living in water are called:
A.	Ecosystem
B.	Zooplanktons
C.	Phytoplanktons
D.	Hydrophytes
E.	None of these
Answer» C. Phytoplanktons

Discussion

14.	Hydrilla is an example of:
A.	Floating plant
B.	Fixed plant
C.	Submerged plant
D.	Mountain plant
E.	None of these
Answer» D. Mountain plant

Discussion

15.	Which of the following is a prey?
A.	Lion
B.	Tiger
C.	Deer
D.	Polar bear
E.	None of these
Answer» D. Polar bear

Discussion

16.	Submerged leaves can bend in flowing water due to:
A.	Spongy bodies.
B.	Broad and plate like leaves.
C.	Narrow, thin and ribbon-like leaves.
D.	All the above
E.	None of these
Answer» D. All the above

Discussion

17.	The surroundings where an animal lives is called a/an _____.
A.	Adaptation
B.	Ecology
C.	Habitat
D.	Stimulus
E.	None of these
Answer» D. Stimulus

Discussion

18.	All living things respond to _____.
A.	Sound
B.	Touch
C.	Stimuli
D.	Smell
E.	None of these
Answer» D. Smell

Discussion

19.	Which of the following sets represents the abiotic components of a habitat?
A.	Plants, animals, air, water
B.	Air, rocks, animals, soil
C.	Air, water, rocks, soil
D.	Animals, plants, microbes, soil .
E.	None of these
Answer» D. Animals, plants, microbes, soil .

Discussion

20.	Gulmohar is an example of:
A.	Shrub
B.	Herb
C.	Tree
D.	Creeper
E.	None of these
Answer» D. Creeper

Discussion

21.	Match the following: Column A Column B (i) Mountain habitat [A] Reindeer (ii) Desert habitat [B] Mangrove (iii) Coastal habitat [C] Oak (iv) Tundra habitat [D] Cactus
A.	(i-D), (ii-A), (iii-B), (iv-C)
B.	(i-C), (ii-A), (iii-D), (iv-B)
C.	(i-C), (ii-D), (iii-B), (iv-A)
D.	(i-B), (ii-D), (iii-A), (iv-C)
E.	None of these
Answer» D. (i-B), (ii-D), (iii-A), (iv-C)

Discussion

22.	Which of the following is not a characteristic of a desert plant?
A.	Leaves are either absent or present in the form of spines.
B.	Photosynthesis is usually carried out by the green stem.
C.	Roots are small and do not penetrate deep under the soil.
D.	All the above
E.	None of these
Answer» D. All the above

Discussion

23.	Which among the following aquatic plants has the large and flat leaves with a waxy coating?
A.	Tape grass
B.	Water lily
C.	Vallisneria
D.	Hydrilla
E.	None of these
Answer» C. Vallisneria

Discussion

24.	Desert animals survive in the scorching heat by:
A.	Their streamlined body.
B.	The thick layer of fur on their body.
C.	Digging deep burrows to live.
D.	All the above
E.	None of these
Answer» D. All the above

Discussion

25.	Breathing activity is a part of which of the following bio-chemical process?
A.	Photosynthesis
B.	Digestion
C.	Respiration
D.	Excretion
E.	None of these
Answer» D. Excretion

Discussion

26.	_______ are microscopic plants living in water.
A.	Microorganisms
B.	Phytoplanktons
C.	Zooplanktons
D.	Xerophytes
E.	None of these
Answer» C. Zooplanktons

Discussion

27.	Hot and dry place with scarcity of water is a characteristic of which habitat?
A.	Grassland habitat
B.	Marine habitat
C.	Coastal habitat
D.	Xeric habitat
E.	None of these
Answer» E. None of these

Discussion

28.	Which of the following statements is correct? Statement 1: Living things include producers, consumers and decomposers. Statement 2: Living things are biotic components of environment.
A.	Statement 1 is correct and statement 2 is incorrect.
B.	Statement 2 is correct and statement 1 is incorrect.
C.	Both [a] and [b]
D.	Either [a] or [b]
E.	None of these
Answer» D. Either [a] or [b]

Discussion

29.	Which among the following is both producer and carnivorous?
A.	Neem
B.	Peepal
C.	Sundew
D.	Mango
E.	None of these
Answer» D. Mango

Discussion

30.	Which of the following is not a primary function of root?
A.	Anchor the plant to the soil.
B.	Absorb water and minerals from the soil.
C.	Gives colour to leaves.
D.	Prevents soil erosion.
E.	None of these
Answer» D. Prevents soil erosion.

Discussion

31.	A main vein present in the centre of lamina, through which large number of veins spread out is called:
A.	Midrib
B.	Petiole
C.	Lamina
D.	Thalamus
E.	None of these
Answer» B. Petiole

Discussion

32.	Dust like particles in the stamen of a flower:
A.	Sepals
B.	Pollen grains
C.	Ovules
D.	Petals
E.	None of these
Answer» C. Ovules

Discussion

33.	What is the other name of leaf blade?
A.	Petiole
B.	Lamina
C.	Vein
D.	Stalk
E.	None of these
Answer» C. Vein

Discussion

34.	Which among the following plants have parallel venation in their leaves?
A.	Wheat
B.	Mustard
C.	Orange
D.	Tamarind
E.	None of these
Answer» B. Mustard

Discussion

35.	A narrow stalk, through which lamina is attached to the stem:
A.	Leaf blade
B.	Petal
C.	Petiole
D.	Vein
E.	None of these
Answer» D. Vein

Discussion

36.	_____ is the wider uppermost part of pedicel.
A.	Filament
B.	Stalk
C.	Thalamus
D.	Petal
E.	None of these
Answer» D. Petal

Discussion

37.	Male part of the flower does not consist:
A.	Ovule
B.	Anther
C.	Filament
D.	All the above
E.	None of these
Answer» B. Anther

Discussion

38.	Plants with fibrous roots have
A.	Reticulate venation in leaves
B.	Parallel venation in leaves
C.	Both [a] and [b]
D.	Either [a] or [b]
E.	None of these
Answer» C. Both [a] and [b]

Discussion

39.	Which among the following is not a part of carpel?
A.	Stigma
B.	Filament
C.	Style
D.	Ovary
E.	None of these
Answer» C. Style

Discussion

40.	A stalk which joins a flower to the stem is:
A.	Pedicel
B.	Thalamus
C.	Pollen grain
D.	Stamen
E.	None of these
Answer» B. Thalamus

Discussion

41.	Lamina is:
A.	Upper part of pedicel which is wide.
B.	A part of stem.
C.	Is a type of venation.
D.	Broad, flat, green portion of the leaf.
E.	None of these
Answer» E. None of these

Discussion

42.	Which among the following is not an underground stem?
A.	Ginger
B.	Potato
C.	Sweet potato
D.	Garlic
E.	None of these
Answer» D. Garlic

Discussion

43.	Match the following: Column A Column B (i) Herb [A] Henna (ii) Shrub [B] Pea (iii) Creeper [C] Bottle gourd (iv) Climber [D] Cabbage
A.	(i - C), (ii - A), (iii - D), (iv - B)
B.	(i - D), (ii - B), (iii - A), (iv - C)
C.	(i - C), (ii - B), (iii - D), (iv - A)
D.	(i - D), (ii - A), (iii - C), (iv - B)
E.	None of these
Answer» E. None of these

Discussion

44.	Which among the following is a non-flowering plant/tree?
A.	Mango
B.	Peepal
C.	Fern
D.	Petunia
E.	None of these
Answer» D. Petunia

Discussion

45.	A lamp, a ball and a paper are kept as shown in the figure below. What will be the change in the shadow, if the ball is moved from A to B?
A.	Become large
B.	Remain same
C.	Become small
D.	Get distorted
Answer» B. Remain same

Discussion

46.	The less dark region in the given image is called
A.	umbra
B.	penumbra
C.	dark region
D.	None of these
Answer» C. dark region

Discussion

47.	When parallel rays of light are incident on an irregular surface as shown in the figure, which phenomenon of light occurs?
A.	Regular reflection
B.	Diffuse reflection
C.	Dispersion
D.	Refraction
Answer» C. Dispersion

Discussion

48.	DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement - 1: The length of shadow formed by sunlight remains constant with time. Statement - 2: The speed of light in air is \[3\times {{10}^{8}}\text{m/s}\text{.}\]. Statement - 3: Speed of light remains same in all medium.
A.	Statement (1) and (3) are incorrect while statement (2) is correct.
B.	Statement (1) and (2) are incorrect while (3) is correct.
C.	All the statements are correct.
D.	All the statements are incorrect.
Answer» B. Statement (1) and (2) are incorrect while (3) is correct.

Discussion

49.	DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason Rare individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion: In cars the windshields made of glass are used. Reason: Those substances through which things can be seen clearly are called transparent substances.
A.	Both A and R are true and R is the correct explanation of A.
B.	Both A and R are true but R is not the correct explanation of A.
C.	A is true but R is false.
D.	A is false but R is true.
Answer» C. A is true but R is false.

Discussion

50.	DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason Rare individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion: Image has the colour of the object. Reason: Image gives only the outline of the object.
A.	Both A and R are true and R is the correct explanation of A.
B.	Both A and R are true but R is not the correct explanation of A.
C.	A is true but R is false.
D.	A is false but R is true.
Answer» D. A is false but R is true.

Discussion

Explore topic-wise MCQs in Testing Subject.

Select an animal whose body is not streamlined, however when they move in water they make the body shape streamlined.

Which of the following is correct for frogs?

A snow leopard

In trees of mountain region, we generally find that

In desert plants, the process of photosynthesis is carried out by

The long legs of a camel

Select the characteristics that a plant adapt to survive in desert

In plant like grapevine weak stems are modified to form ____ to support weak stems.

Which among the following has reticulate venation?

A stem modification which has fibrous roots.

Which of the following plants have tap root system?

Desert plants have either small leaves or have only spines to:

Microscopic animals living in water are called:

Hydrilla is an example of:

Which of the following is a prey?

Submerged leaves can bend in flowing water due to:

The surroundings where an animal lives is called a/an _____.

All living things respond to _____.

Which of the following sets represents the abiotic components of a habitat?

Gulmohar is an example of:

Match the following: Column A Column B (i) Mountain habitat [A] Reindeer (ii) Desert habitat [B] Mangrove (iii) Coastal habitat [C] Oak (iv) Tundra habitat [D] Cactus

Which of the following is not a characteristic of a desert plant?

Which among the following aquatic plants has the large and flat leaves with a waxy coating?

Desert animals survive in the scorching heat by:

Breathing activity is a part of which of the following bio-chemical process?

_______ are microscopic plants living in water.

Hot and dry place with scarcity of water is a characteristic of which habitat?

Which of the following statements is correct? Statement 1: Living things include producers, consumers and decomposers. Statement 2: Living things are biotic components of environment.

Which among the following is both producer and carnivorous?

Which of the following is not a primary function of root?

A main vein present in the centre of lamina, through which large number of veins spread out is called:

Dust like particles in the stamen of a flower:

What is the other name of leaf blade?

Which among the following plants have parallel venation in their leaves?

A narrow stalk, through which lamina is attached to the stem:

_____ is the wider uppermost part of pedicel.

Male part of the flower does not consist:

Plants with fibrous roots have

Which among the following is not a part of carpel?

A stalk which joins a flower to the stem is:

Lamina is:

Which among the following is not an underground stem?

Match the following: Column A Column B (i) Herb [A] Henna (ii) Shrub [B] Pea (iii) Creeper [C] Bottle gourd (iv) Climber [D] Cabbage

Which among the following is a non-flowering plant/tree?

A lamp, a ball and a paper are kept as shown in the figure below. What will be the change in the shadow, if the ball is moved from A to B?

The less dark region in the given image is called

When parallel rays of light are incident on an irregular surface as shown in the figure, which phenomenon of light occurs?