Vidaara.orgClass 6 · Mathematics
CodeVID-M6-WS
Diversity in the Living World — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
15 × 1 = 15 marks
1.
The huge variety of living organisms on Earth is called:
- A.Biodiversity
- B.Habitat
- C.Adaptation
- D.Classification
2.
Small plants with soft green stems are called:
- A.Trees
- B.Shrubs
- C.Herbs
- D.Climbers
3.
A bushy plant with woody stems branching near the ground is a:
- A.Herb
- B.Shrub
- C.Tree
- D.Creeper
4.
An animal that eats only plants is a:
- A.Carnivore
- B.Omnivore
- C.Herbivore
- D.Producer
5.
Putting organisms with similar features into groups is called:
- A.Classification
- B.Evaporation
- C.Reflection
- D.Pollination
6.
Which feature do most plants have but most animals do not?
- A.They can move freely
- B.They make their own food
- C.They eat other organisms
- D.They have a backbone
7.
Animals that have a backbone are called:
- A.Invertebrates
- B.Vertebrates
- C.Herbs
- D.Producers
8.
Which of these is an invertebrate?
- A.Snake
- B.Bird
- C.Earthworm
- D.Frog
9.
The natural home of an organism is its:
- A.Habitat
- B.Vertebra
- C.Trunk
- D.Orbit
10.
A pond and a river are examples of ___ habitats.
- A.Terrestrial
- B.Aquatic
- C.Desert
- D.Mountain
11.
The living parts of a habitat are called its:
- A.Abiotic parts
- B.Biotic parts
- C.Minerals
- D.Materials
12.
Which of these is a non-living (abiotic) part of a habitat?
- A.A frog
- B.A water plant
- C.Sunlight
- D.A fish
13.
A special feature that helps an organism survive in its habitat is called a/an:
- A.Adaptation
- B.Classification
- C.Backbone
- D.Orbit
14.
A fish can live in water because it has gills and:
- A.Legs
- B.Fins
- C.Wings
- D.A trunk
15.
Why is it important to protect habitats?
- A.Habitats are useless
- B.Organisms depend on their habitat to survive
- C.To make more deserts
- D.To remove all plants
Section B — Challenge / Olympiad (2 marks each)
6 × 2 = 12 marks
16.
A whale lives in the sea but, unlike a fish, comes up to breathe air. This shows that animals living in the same habitat can still:
- A.Be exactly the same
- B.Have different adaptations
- C.Have no needs
- D.Stop breathing
17.
Why does a cactus have a thick stem and spiny (reduced) leaves?
- A.To store water and lose less of it in the desert
- B.To swim
- C.To fly
- D.To make it heavy
18.
A spider, a snail and a jellyfish belong to the same broad group because they all:
- A.Have a backbone
- B.Lack a backbone
- C.Make their own food
- D.Live in deserts
19.
In a forest, the plants depend on sunlight and rain, and animals depend on plants for food. This is an example of:
- A.Living and non-living parts interacting
- B.Classification
- C.Evaporation
- D.A backbone
20.
Which list correctly goes from SMALLEST to LARGEST plant type?
- A.Herb, shrub, tree
- B.Tree, shrub, herb
- C.Shrub, tree, herb
- D.Tree, herb, shrub
21.
Classifying first into 'plants' and 'animals', then animals into 'vertebrates' and 'invertebrates', shows that classification can be done in:
- A.Only one step
- B.Steps, from broad groups to smaller groups
- C.A random order
- D.No order at all
Answer Key
Section A — Multiple Choice (1 mark each)
- (A) Biodiversity
- (C) Herbs
- (B) Shrub
- (C) Herbivore
- (A) Classification
- (B) They make their own food
- (B) Vertebrates
- (C) Earthworm
- (A) Habitat
- (B) Aquatic
- (B) Biotic parts
- (C) Sunlight
- (A) Adaptation
- (B) Fins
- (B) Organisms depend on their habitat to survive
Section B — Challenge / Olympiad (2 marks each)
- (B) Have different adaptations
- (A) To store water and lose less of it in the desert
- (B) Lack a backbone
- (A) Living and non-living parts interacting
- (A) Herb, shrub, tree
- (B) Steps, from broad groups to smaller groups
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