1.How do animals living in cold regions keep themselves warm?

2.What is an adaptation?
3.State TRUE/FALSE: Animals which spend most of their time on trees are called arboreal
animals.
A) true B) false
4.Fill in the blanks: Long winter sleep of animals to protect from the cold is called ______.
A) Circulation B) Osmoregulation C) Adaptation D) Hibernation
5.What are arboreal animals?
6.Fill in the blanks: ________ animals live on trees.
A) Aquatic B) Terrestrial C) Amphibian D) Arboreal
7.Fill in the blanks: _____ helps frogs to breathe on land.
A) Liver B) Lungs C) Brain D) Skin
8.What are omnivores?
9.Fill in the blanks: Animals which eat both plants and flesh of other animals are called
________.
A) Herbivores B) Carnivores C) Parasites D) Omnivores
10.What are aerial animals?
11.What are herbivores?
12.State TRUE/FALSE: Animals living on or inside the bodies of other animals for food are
carnivores.
A) true B) false
13.Fill in the blanks: _______ animals live in air.
A) Aquatic B) Terrestrial C) Amphibian D) Aerial
14.The artificial home of an animal is called its habitat.
A) true B) false
15.Fill in the blanks: The frog is a _____.
A) Aquatic B) Terrestrial C) Amphibian D) Aerial
16.What are terrestrial animals?
17.State TRUE/FALSE: Aquatic animals are those that live on land.
A) true B) false
18.Fill in the blanks: Animals living in cold regions keep themselves warm with ____ on their
skin.
A) Wool B) Nylon C) Cotton D) Fur
19.Fill in the blanks: Animals protect themselves by changing _____.
A) Skin B) Clothes C) Colour D) Food
20.Fill in the blanks: The animals which eat only plants are called ______.
A) Herbivores B) Carnivores C) Parasites D) Omnivores
21. Camels store fat in their ____________.
a. Humps b. Feet c. Legs d, Mouth
22. Animals that live both on land and in water are called ___________.
a. Aerial animals b. Arboreal animals c, Amphibians d. Aquatic animals
23. An animal that goes into a shell when faced with danger is a __________.
a. Deer b. Snail c. Snake d. Porcupine
24. Barking deer are found in ________________.
 a. Gir national park b. Dandeli Wildlife Sanctuary c. Kanha National park d.Kaziranga
National park
25. Give two examples of each the following
1. These animals live in Polar Regions and have blubber under the skin.
________________ , ________________ ,
2. These animals live in water and on land as well. ____________, _________________ .
3. These animals have sharp front teeth which help them to eat grass.
_______________ ._____________ .
4. These animals have horns to keep away their enemies. _____________ ._______________
5. Animals have webbed feet. ____________ , _____________ .
6. Insects have a tube – like mouth to suck. ____________ ,____________ .
7. Animals have sharp and pointed teeth. _______________ ,__________ .
8. The body colour of these animals matches their surroundings.
_____________ ,_________________ .
26. Identify the animals and write the special features they have adapted to live in their
habitats.

27. Name some hibernated animals.

28. State TRUE/FALSE:
Animals which eat both plants and flesh of other animals are omnivores.
A) true B) false
29. Fill in the blanks: ________ animals live on trees.
A) Aquatic B) Terrestrial C) Amphibian D) Arboreal
30. State TRUE/FALSE:
Animals living on or inside the bodies of other animals for food are carnivores.
A) true B) false
31. Fill in the blanks: ____ is an amphibian as well as hibernated animal.
 A) Frog B) Fish C) Pegion D) Mouse
32. What are herbivores?
33. What are aerial animals?
34. State TRUE/FALSE:
Elephant is an amphibian.
A) true B) false
35. Fill in the blanks: The aerial animals have _____ bodies.
A) Heavy B) Light C) Warm D) Cold
36. What is camouflage?
37. Fill in the blanks: _____ animals live only in water.
A) Aquatic B) Terrestrial C) Amphibian D) Aerial
38. Fill in the blanks: _____ animals live on land only.
A) Aquatic B) Terrestrial C) Amphibian D) Aerial
39. Fill in the blanks: The animals which eat only plants are called ______.
A) Herbivores B) Carnivores C) Parasites D) Omnivores
40. What are parasites?
41. Name some arboreal animals.
42. Fill in the blanks: Adjustment of living organisms with surroundings for survival is
called_______.
A) Circulation B) Osmoregulation C) Adaptation D) Hibernation
43. Fill in the blanks: The frog is a _____.
A) Aquatic B) Terrestrial C) Amphibian D) Aerial
44. Fill in the blanks: Process of changing colour with surrounding to protect from enemies
is_____.
A) Aquatic B) Terrestrial C) Amphibian D) Camouflage
45. What are the different ways by which animals protect themselves?
46. State TRUE/FALSE: Process of changing colour with surrounding to protect from
enemies is camouflage.
A) true B) false

REPRODUCTION IN ANIMALS
A Give two examples of the following:
1. Viviparous animals. …………… …………….
2. Aquatic oviparous animals. …………… …………….
3. Insects with 3-stage life cycles …………… …………….
4. Insects with 4-stage life cycles …………… …………….
5. Moulting animals …………… …………….
B Choose the correct option.
1. ………………. is the process in which the young one breaks open the egg
Shell to come out.
A) Metamorphosis B) hatching C) moulting D) Incubation.
2. Which of the following is not a part of a bird’s egg?
A) pupa B) shell C) yolk D) albumen.
3. ………………. lays adhesive eggs.
A) snake B) frog C) cat D) lizard
4. The organism does not incubate its eggs
A) butterfly B) parrot C) pigeon D) hen
C. Fill in the blanks.
1. The period of time for which a living organism lives is called ………….
2. The animals which give birth to young ones are called ………….animals.
3. The animals which lay eggs are called …………… animals.
4. ……………. provides nutrition to the embryo inside an egg.
5. The …………. in tadpole vanishes when it grows into an adult frog.
D. Write T for True statements or F for False statements.
1. The egg shell for hen is totally water proof and air proof.
2. Birds, snake and turtles lay hard- shelled eggs.
3. Mammals leave their young ones on their own as soon as they are born.
4. Butterfly and frogs show metamorphosis.
5. Jelly - like covering protect the eggs of a frog.
E. Match the following:
Hen Tadpole
Cockroach Fries
Frog Nymph
Fish Caterpillar
Butterfly Chicken
F. Answer the following questions in brief.
1. How do insects take care of their eggs?
2. How does air cell form inside an egg?
3. What is metamorphosis?
4. What is incubation?
5. Draw a labelled diagram of parts of an egg.
G. Answer the questions in detail.
1. Differentiate between viviparous and oviparous animals. Give examples.
2. What is the reproduction?
3. Why do animals reproduce?
4. What is moulting?
5. What helps an embryo to nourish inside a bird’s egg?
6. Why do birds sit on their eggs?
7. Explain the life cycle of butterfly. Support your answer with a diagram.
Draw the diagram of life cycle of butterfly from your book.
8. How do mammals take care of their young ones?
9. what are different stages of development in a frog? Name the process by
which a tadpole turns into an adult.

10.
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