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MCQOPTIONS
This section includes 2267 Mcqs, each offering curated multiple-choice questions to sharpen your 6th Class knowledge and support exam preparation. Choose a topic below to get started.
| 651. |
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 | |
| 652. |
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. | |
| 653. |
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 | |
| 654. |
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. | |
| 655. |
In desert plants, the process of photosynthesis is carried out by |
| A. | leaves |
| B. | roots |
| C. | stems |
| D. | branches |
| Answer» D. branches | |
| 656. |
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 | |
| 657. |
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. | |
| 658. |
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 | |
| 659. |
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 | |
| 660. |
A stem modification which has fibrous roots. |
| A. | Beetroot |
| B. | Ginger |
| C. | Radish |
| D. | Turnip |
| E. | None of these |
| Answer» C. Radish | |
| 661. |
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 | |
| 662. |
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. | |
| 663. |
Microscopic animals living in water are called: |
| A. | Ecosystem |
| B. | Zooplanktons |
| C. | Phytoplanktons |
| D. | Hydrophytes |
| E. | None of these |
| Answer» C. Phytoplanktons | |
| 664. |
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 | |
| 665. |
Which of the following is a prey? |
| A. | Lion |
| B. | Tiger |
| C. | Deer |
| D. | Polar bear |
| E. | None of these |
| Answer» D. Polar bear | |
| 666. |
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 | |
| 667. |
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 | |
| 668. |
All living things respond to _____. |
| A. | Sound |
| B. | Touch |
| C. | Stimuli |
| D. | Smell |
| E. | None of these |
| Answer» D. Smell | |
| 669. |
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 . | |
| 670. |
Gulmohar is an example of: |
| A. | Shrub |
| B. | Herb |
| C. | Tree |
| D. | Creeper |
| E. | None of these |
| Answer» D. Creeper | |
| 671. |
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) | |
| 672. |
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 | |
| 673. |
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 | |
| 674. |
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 | |
| 675. |
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 | |
| 676. |
_______ are microscopic plants living in water. |
| A. | Microorganisms |
| B. | Phytoplanktons |
| C. | Zooplanktons |
| D. | Xerophytes |
| E. | None of these |
| Answer» C. Zooplanktons | |
| 677. |
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 | |
| 678. |
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] | |
| 679. |
Which among the following is both producer and carnivorous? |
| A. | Neem |
| B. | Peepal |
| C. | Sundew |
| D. | Mango |
| E. | None of these |
| Answer» D. Mango | |
| 680. |
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. | |
| 681. |
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 | |
| 682. |
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 | |
| 683. |
What is the other name of leaf blade? |
| A. | Petiole |
| B. | Lamina |
| C. | Vein |
| D. | Stalk |
| E. | None of these |
| Answer» C. Vein | |
| 684. |
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 | |
| 685. |
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 | |
| 686. |
_____ is the wider uppermost part of pedicel. |
| A. | Filament |
| B. | Stalk |
| C. | Thalamus |
| D. | Petal |
| E. | None of these |
| Answer» D. Petal | |
| 687. |
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 | |
| 688. |
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] | |
| 689. |
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 | |
| 690. |
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 | |
| 691. |
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 | |
| 692. |
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 | |
| 693. |
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 | |
| 694. |
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 | |
| 695. |
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 | |
| 696. |
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 | |
| 697. |
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 | |
| 698. |
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. | |
| 699. |
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. | |
| 700. |
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. | |