MCQ on Diversity in the Living World Class 6
Class 6 Science Chapter 2 MCQ Diversity in the Living World
Multiple Choice Questions: Choose the correct option
Question 1.
The plants having green and tender stems are called
(a) herbs
(b) shrubs
(c) trees
(d) all of these
Answer:
(a) herbs
Question 2.
Grape is an example of
(a) trees
(b) climbers
(c) creepers
(d) shrubs
Answer:
(b) climbers
Question 3.
Tomato plants are _________.
(a) herbs
(b) shrubs
(c) trees
(d) none of these
Answer:
(a) herbs
Question 4.
Mango plants are _________
(a) herbs
(b) shrubs
(c) trees
(d) none of these
Answer:
(c) trees
Question 5.
Lemon plants are _________
(a) herbs
(b) shrubs
(c) trees
(d) none of these
Answer:
(b) shrubs
Question 6.
Which of the following have streamlined body?
(a) Goat
(b) Tiger
(c) Camel
(d) Fish
Answer:
(d) Fish
Question 7.
_________ has thick and fleshy stem.
(a) Deodar
(b) Rhododendron
(c) Cactus
(d) All of these
Answer:
(c) Cactus
Question 8.
Camels store food in their _________
(a) humps
(b) legs
(c) tails
(d) all of these
Answer:
(a) humps
Question 9.
Example of térestrial habitat are
(a) deserts
(b) grasslands
(c) mountains
(d) all of these
Answer:
(d) all of these
Question 10.
Aquatic animals live
(a) on trees
(b) on land
(c) in water
(d) on land and in water
Answer:
(c) in water
Question 11.
Which part of the plant grows in the soil?
(a) stem
(b) leaf
(c) root
(d) seed
Answer:
(c) root
Question 12.
Which of the following plant is NOT a herb ?
(a) Sunflower
(b) Rose
(c) Mustard
(d) Radish
Answer:
(b) Rose
Question 13.
An animal lives on land and in water. It has a tail and the body is covered with scales. This animal is :
(a) shark
(b) frog
(c) crocodile
(d) fish
Answer:
(c) crocodile
Question 14.
One of the following plants does not have fibrous roots. The plant is
(a) sugar cane
(b) bat
(c) bamboo
(d) paddy
Answer:
(b) bat
Question 15.
Which of the following plants does not have a tap root ?
(a) mango
(b) maize
(c) marigold
(d) turnip
Answer:
(a) mango
Question 16.
Which one of these animals can live on land as well as in water ?
(a) Deer
(b) Frog
(c) Giraffe
(d) Fox
Answer:
(b) Frog
Question 17.
Which of the following is a terrestrial habitat?
(a) pond
(b) air
(c) river
(d) tropical forest.
Answer:
(d) tropical forest.
Question 18.
Fishes have scales on their bodies to
(a) keep them water
(b) attract other fishes
(c) help them to swim
(d) protect themselves
Answer:
(d) protect themselves
Question 19.
Animals that live in the mountains have
(a) long legs and sharphooves
(b) thick fur coats
(c) long ears
(d) white fur.
Answer:
(b) thick fur coats
Question 20.
Vein are present in
(a) stem
(b) roots
(c) leaves
(d) seeds
Answer:
(c) leaves
Assertion-Reason type Questions:
Directions (Question . No. 1 to 5): Each Question uestion below consists of an Assertion (A) and a Reason (R). Use the following key to choose the appropriate answer.
(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.
Question 1.
Assertion (A): The small plants with soft, tender, green, shorter stem are called herbs.
Reason (R): A herb may or may not have branches.
Answer:
(b) Both A and R are true but R is not the correct explanation of A.
Question 2.
Assertion (A): Trees are very tall plants that have stout trunks.
Reason (R): The trunk is very soft and nonwoody.
Answer:
(c) A is true but R is false.
Question 3.
Assertion (A): Climbers are plants that take support of neighbouring structures.
Reason (R): Climbers have weak stems.
Answer:
(a) Both A and R are true and R is the correct explanation of A.
Question 4.
Assertion (A): Creepers are plants that have weak stems which cannot stand upright.
Reason (R): Pumpkin and watermelon are examples of creepers.
Answer:
(b) Both A and R are true but R is not the correct explanation of A.
Question 5.
Assertion (A): The place where organisms live is called their habitat.
Reason (R): Organisms depend for their food, water, air, shelter on their habitat.
Answer:
(b) Both A and R are true but R is not the correct explanation of A.
Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R).
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
(b) Both (A) and (R) are true and (R) is not the correct explanation of (A).
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.
Question 1.
Assertion (A) : Monocot plant have only one cotyledon in the seed.
Reason : Monocot plant leaf shows parallel venation.
Answer:
(b) Both (A) and (R) are true and (R) is not the correct explanation of (A).
Question 2.
Assertion (A) : A camel has large and flat feet.
Reason: Large and flat feet help camel to walk easily on soft sand.
Answer:
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
Question 3.
Assertion (A) : The sunflower has recitulate venation in its leaves.
Reason: Sunflower leaves will have a tap root.
Answer:
(c) (A) is true but (R) is false.
Question 4.
Assertion (A) : Wheat plant leaves have fibrous roots.
Reason : The wheat plant has parallel venation in the leaves.
Answer:
(d) (A) is false but (R) is true.
Question 5.
Assertion (A) : The cactus plants have long roots.
Reason : Long roots of cactus absorb-water from a larger area.
Answer:
(a) Both (A) and (R) are true and (R) is the correct explanation of (A).
Fill in the Blanks:
Complete the following with a suitable word or words:
1. Leaves of mustard plant have _________ venation.
Answer:
reticulate
2. Maize is a _________ plant.
Answer:
monocot
3. Camels in the cold desert have _________ humps each.
Answer:
two
4. _________ is an amphibian animal.
Answer:
Frog
5. Pigeon flies with the help of their _________.
Answer:
wings
6. Plants having leaves with reticulate venation have ________ roots.
Answer:
Tap
7. Rose plant is a ________ where tomato plant is a herb.
Answer:
shrub
8. The part of a plant which rises vertically up from the ground is called its ________.
Answer:
stem
9. Habitats located on the land are called ________ habitats.
Answer:
terrestial
10. Some desert plants have ________ root system.
Answer:
tap
11. The organisms that use both water and land as their habitat are called ________.
Answer:
Amphibians
12. Cacti plants are called ________ plants.
Answer:
Terrestrial
13. ________ are small plants having a soft and delicate stem.
Answer:
Herbs
14. Fish, whales etc. are ________ organisms.
Answer:
aquatic
15. Man, tugerm trees etc, are ________ organisms.
Answer:
terrestrial
True/False:
Write ‘true’ or ‘false’ against the following statements:
1. A large variety of plants and animals present in our surroundings is a part of biodiversity.
Answer:
True
2. Grouping is the method of arranging things into groups based on their common features.
Answer:
True
3. Plants can be grouped into herbs, shrubs, and trees on the basis of their leaf venation.
Answer:
False
4. On the basis of height, plants can be grouped as dicotyledons and monocotyledons.
Answer:
False
5. Monocots generally exhibit parallel venation in their leaves and possess fibrous roots.
Answer:
True
6. All animals show same type of movement.
Answer:
False
7. The place where plants and animals live is called their adaptation.
Answer:
False
8. Terrestrial animals live on land.
Answer:
True
9. Leaves hold the plant upright.
Answer:
False
10. The plants having leaves with recitulate venation have tap roots.
Answer:
True
11. A camel has large and flat feet which help it to walk easity on soft sand.
Answer:
True
12. The plants having green and tender stems are called trees.
Answer:
False
13. Fish is an amphibian.
Answer:
False
14. Hydrilla is a submerged aquatic plant.
Answer:
True
15. Bongainville, lemon, henna, rose plants are shrubs.
Answer:
True
16. Neem, Mango, Coconut are trees.
Answer:
True
17. Plants of wheat, maize, grass, millot etc. have tap roots.
Answer:
False
18. Radish has fibrous roots.
Answer:
False
Match the Following:
Match the items in column A with those in column B.
| Column A | Column B |
| (i) Climber | (a) Protected forests |
| (ii) Shrub | (b) Grapes |
| (iii) Taproot | (c) Parallel venation |
| (iv) Fibrous root | (d) Rose |
| (v) Sacred groves | (e) Reticulate venation |
Answer:
| Column A | Column B |
| (i) Climber | (b) Grapes |
| (ii) Shrub | (d) Rose |
| (iii) Taproot | (e) Reticulate venation |
| (iv) Fibrous root | (c) Parallel venation |
| (v) Sacred groves | (a) Protected forests |
Complete the following:
Answer:
| Name of plant | Type of leaf venation | Type of roots |
| 1. Mango | Reticulate | Taproot |
| 2. Mustard | Reticulate | Taproot |
| 3. Wheat | Parallel | Fibrous root |
| 4. Bajra | Parallel | Fibrous root |
| 5. Gram | Reticulate | Taproot |
Quiz Time:
Question 1.
A plant has branches emerging from the stem just above the ground. Its stem is strong but not thick. What would be the category of this plant?
Answer:
Shrub
Question 2.
Why does stem of pumpkin spread on the ground?
Answer:
The stem of the pumpkin is weak and is not woody. So, it cannot stand erect.
Question 3.
Can you observe pattern of venation in a dried leaf pasted in Herbarium?
Answer:
Yes, dried leaves pasted in a Herbarium do not loose pattern of venation. We can recognise the venation.
Question 4.
How many cotyledons does a gram seed have?
Answer:
A gram seed has two cotyledons.
Question 5.
Why are deodar trees conical in shape?
Answer:
Deodar trees have conical shape so that they can slide off snow easily.
Question 6.
Name the place where an organism lives and gets its food.
Answer:
Habitat
Question 7.
Write the names of two mountainous living things.
Answer:
(i) Mountain goat, (ii) Deodars
Question 8.
Give the names of two organisms which are adapted to live in desert.
Answer:
(i) Cactus, (ii) Camel
Self-Assessment:
Question 1.
Which of the following have streamlined body?
(a) Goat
(b) Tiger
(c) Camel
(d) Fish
Question 2.
Camels store food in their _________
(a) humps
(b) legs
(c) tails
(d) all of these
Question 3.
Tomato plants are _________ .
(b) shrubs
(c) trees
(d) none of these
(a) herbs
Question 4.
Assertion (A): The small plants with soft, tender, green, shorter stem are called herbs.
Reason (R): A herb may or may not have branches. .
(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.
Question 5.
Match the items in column A with those in column B.
| Column A | Column B |
| (i) Climber | (a) Protected forests |
| (ii) Shrub | (b) Rose |
| (iii) Taproot | (c) Parallel venation |
| (iv) Fibrous root | (d) Grapes |
| (v) Sacred groves | (e) Reticulate venation |
(A) (i)-(b), (ii)-(d), (iii)-(e), (iv)-(c), (v)-(a)
(B) (i)-(d), (ii)-(a), (iii)-(e), (iv)-(c), (v)-(b)
(C) (i)-(b),(i i)-(a),(i i i)-(d),(i v)-(e),(v)-(c)
(D) (i)-(d), (ii)-(a), (iii)-(b), (iv)-(c),(v)-(e)
Question 6.
What are taproots? Name two plants which have taproots.
Question 7.
Name any two plants which have fibrous roots.
Question 8.
Give two examples of shrubs.
Question 9.
Name any two aquatic animals.
Question 10.
What do you understand by the term biodiversity?
Question 11.
Classify the plants and give one example of each.
Question 12.
What is the difference between dicots and monocots?
Question 13.
What do you understand by the term habitat? Give habitats of two plants and two animals.
Question 14.
Name the locomotary organs of the following animals:
Question (i) Housefly (ii) Fish
Question 15.
What are cotyledons? How many cotyledons does a chickpea seed have? .
Question 16.
Differentiate between herbs, shrubs and trees.
Question 17.
How many types of roots are there? Explain each with an example.
Question 18.
What are creepers and climbers? Give two examples of each.
Question 19.
Give any two features of Rhododendrons found in Shola forests of Nilgiris. How these plants differ from Rododendrons found in Sikkim?
Question 20.
What do you understand by the term adaptation? Give any one example to show living things are well adapted to the climate of their habitat.
Question 21.
What is leaf venation? Explain various types of leaf venation with examples and draw a diagram also to show leaf venation.
Question 22.
How are camels living in hot desert differ from the camels living in cold desert?
Question 23.
Give one adaptation of the following living things:
(i) Mountain goat (ii) Cactus (iii) Deodar (iv) Fish