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science 4

Total questions: 97

Worksheet time: 53mins

Name
Class
Date
1.
  1. What is the group of stages that a living thing goes through from the beginning of its life until the end, called?
a)

life history

b)

growing season

c)

life cycle

d)

life prosesses

2.

After a frog hatches from an egg it looks just like an adult frog.

a)

Yes

b)

No

3.

Life cycle of which animal?

Egg, young and adult

a)

mealworm beetle

b)

butterfly

c)

mosquito

d)

frog

4.

Choose the correct sequence of the frog's life cycle

a)

egg, tadpole, frog

b)

frog, egg, tadpole

c)

eggs, frog, tadpole

d)

tadpole, egg, frog

5.

Many animal life cycles begin with an _____.

a)

seed

b)

egg

6.

A ____________ lives in the water and is an immature frog.

a)

pupa

b)

tadpole

c)

young frog

d)

larva

7.

What is the 3rd stage of a butterfly's life cycle?

a)

nymph

b)

larva

c)

pupa

d)

egg

8.

A ________ hatches from the eggs of a grasshopper.

a)

tadpole

b)

nymph

c)

lynx

d)

ostrich

9.

What are the stages of a frog's life cycle? Click all that apply.

a)

egg

b)

tadpole

c)

adult frog

d)

pupa

e)

young frog

10.

Tadpoles hatch from nymph eggs.

a)

true

b)

false

11.

Nymphs do not have _________.

a)

tails

b)

wings

c)

legs

d)

eyes

12.

The process of changing form or shape

a)

Metamorphosis

b)

Pupa

c)

Life Cycle

d)

Adult

13.

During the ________ stage insects build a protective covering

a)

adult

b)

larva

c)

nymph

d)

pupa

14.

How many stages are there in the butterfly life cycle?

a)

1

b)

2

c)

3

d)

4

15.

What does MOULT mean?

a)

to lay an egg

b)

resting stage

c)

growth stage

d)

shed it's outer layer

16.

All animals are born alive.

a)

True

b)

False

17.

A frog has six stages in its life cycle.

a)

True

b)

False

18.

The larva of a housefly is called a wriggler.

a)

True

b)

False

19.

The Aedes and all other mosquitoes can spread the dengue virus.

a)

True

b)

False

20.

A mosquito that spreads the dengue virus attacks ONLY during daytime..

a)

True

b)

False

21.

A male chicken is called a HEN.

a)

True

b)

False

22.

The casing where a butterfly emerges from in its last stage is called a pupa.

a)

True

b)

False

23.

A young froglet has both legs and a tail.

a)

True

b)

False

24.

A cockroach has three stages in its life cycle.

a)

True

b)

False

25.

The mosquito lays its egg in flowing water.

a)

True

b)

False

26.

The egg case of the cockroach can hatch and have 15-20 eggs.

a)

True

b)

False

27.

Humans have 3 stages in their life cycle.

a)

True

b)

False

28.

Some fishes can be born alive.

a)

True

b)

False

29.

A good way to prevent dengue is to ___________.

a)

leave containers open

b)

wear long dark clothing

c)

breed small fishes

d)

leave the windows open slightly

30.

Drastic changes in the physical appearance of the frog in the different stages of its life cycle is called __________.

a)

chrysalis

b)

moulting

c)

metamorphosis

d)

shedding

31.

The stages in the life cycle of adult living things are different from the stages in the life cycle of their young.

a)

True

b)

False

32.

All the young of animals look like their parents.

a)

True

b)

False

33.

An animal that is born alive is

a)

a guppy

b)

a crocodile

c)

a chicken

d)

a mosquito

34.

A tadpole is similar to a __________.

a)

frog

b)

fish

35.

A tadpole needs water to survive.

a)

True

b)

False

36.

A living thing that undergoes metamorphosis like the frog is _________.

a)

a chicken

b)

a cockroach

c)

a butterfly

d)

a molly fish

37.

How is the young of a grasshopper different from the adult? Click all correct answers.

a)

It has no wings.

b)

It is smaller than the adult.

c)

It is larger than the adult.

d)

It lives in water but the adult lives on land.

38.

Which of the following are stages of the life cycle of a chicken?

a)

egg, pupa, adult

b)

egg, larva, chicken

c)

egg, young, adult

39.

What is the best way to get rid of mosquitoes?

a)

Clear all stagnant water

b)

Add a layer of oil to the stagnant water

c)

Put fish in the water.

d)

All of the above.

40.

Which of the following shows the stages in the life cycle of the grasshopper?

a)

egg, young, adult

b)

egg, nymph, grasshopper

c)

egg, nymph, adult

41.

What is the difference between the life cycle of a chicken and the life cycle of a butterfly?

a)

The chick looks like the adult but the caterpillar does not look like the adult.

b)

The chicken has a 4-stage life cycle but the butterfly has 3-stage life cycle.

42.

Which of the following have 4-stages in their life cycle?

a)

butterfly, mosquito, beetle

b)

butterfly, chicken, mosquito

c)

beetle, frog, grasshopper

43.

Why do living things reproduce? Choose the best answer.

a)

To ensure they do not die.

b)

To ensure the survival of their kind.

c)

To ensure they have enough babies.

44.

Which of the following statements about the differences between the life cycle of a frog and cockroach is true?

a)

The cockroach as a 4-stage life cycle but the frog has a 3-stage life cycle.

b)

The young of the cockroach looks like its adult but the young of the frog does not.

c)

The adult cockroach and the frog lives on land only.

45.

A life cycle is _______________ .

a)

a sequence that repeats itself once

b)

a pattern of life that repeats itself continuously

46.

Which of the following are stages of the life cycle of a butterfly?

a)

egg, nymph, adult

b)

egg, larva, pupa, adult

c)

egg, pupa, larva, adult

47.

Living things may __________ when they are adults.

a)

moult

b)

reproduce

c)

respond to changes

48.

The young undergoes the _________ life cycle as their parents.

a)

same

b)

different

49.

A life cycle is _______________

a)

a sequence that repeats itself once

b)

a pattern of life that repeats itself continuously

50.

Why is it important for living things to reproduce?

a)

To ensure that more babies are born.

b)

To ensure there is enough food for humans to eat.

c)

To ensure the continuity of the animals’ kind.

d)

To ensure that the living things have friends to play with.

51.

The young undergoes the _________ life cycle as their parents

a)

same

b)

different

52.

How many stages are there in the butterfly life cycle?

a)

6

b)

9

c)

3

d)

4

53.

Living things may __________ when they are adults.

a)

move

b)

moult

c)

reproduce

d)

respond to changes

54.

The stage of an insect is a worm-like stage called ________.

a)

tadpole

b)

larva

c)

offspring

55.
After a frog hatches from an egg it looks just like an adult frog.
a)
True
b)
False
56.

Choose the correct sequence of the frog's life cycle

a)

tadpole, egg, frog

b)

egg, frog, tadpole,

c)

egg, tadpole, frog

57.

Which of the following is a similarity between the life cycle of a mosquito and a butterfly?

a)

Both have 3 stages in its life cycle.

b)

Both have 4 stages in its life cycle

c)

Both the young looks like its adult.

58.

What are the stages called that show how a caterpillar turns into a butterfly?

a)

Life Cycle

b)

Process

c)

Life Steps

59.

Which animal has a similar life cycle as the one shown in the diagram.

a)

Cockroach

b)

Chicken

c)

Beetle

d)

Mosquito

60.

Which of the following animals has a similar life cycle as the grasshopper.

a)

Cockroach

b)

Mosquito

c)

Human

d)

Chicken

61.

Which animal has a similar life cycle as the butterfly.

a)

Beetle

b)

Frog

c)

Grasshopper

d)

Cockroach

62.

Identify stage A of the life cycle shown in the diagram.

a)

young

b)

nymph

c)

pupa

d)

adult

63.

Which of the following is a similarity between the life cycle of a frog and a beetle?

a)

Both have 3 stages in its life cycle.

b)

Both have 4 stages in its life cycle

c)

Both the young does not look like the adult.

d)

Both have young stage.

64.

Why does a nymph moult?

a)

To allow it to change into an adult.

b)

To protect it from predators.

c)

To allow new skin to grow.

d)

To allow it to change into a pupa.

65.

Which one of the following statements is true about the pupa stage?

a)

It does not eat at this stage.

b)

It has stopped growing.

c)

It does not breathe at this stage.

d)

The animal has a three-stage life cycle.

66.

What is the best way to get rid of mosquitoes?

a)

Clear all stagnant water

b)

Add a layer of oil to the stagnant water

c)

All of the above

67.

Changing forms dramatically over the course of a life cycle is called

a)

life cycle

b)

metamorphosis

c)

hydrations

d)

pollinations

68.

________________ are consumers that eat ONLY PLANTS.

a)

Herbivores

b)

Carnivores

c)

Omnivores

d)

Producers

69.

__________________ are consumers that eat ONLY MEAT (other animals)?

a)

Omnivores

b)

Carnivores

c)

Producers

d)

Herbivores

70.

__________________ are consumers that eat BOTH Plants and Animals for food.

a)

Omnivores

b)

Producers

c)

Herbivores

d)

Carnivores

71.

Which consumer group only has sharp teeth?

a)

Herbivores

b)

Carnivores

c)

Omnivores

72.

Which consumer group only has flat, boxed teeth?

a)

Herbivores

b)

Carnivores

c)

Omnivores

73.

Which consumer group has both flat, boxed teeth and sharp teeth?

a)

Omnivores

b)

Carnivores

c)

Herbivores

74.

Deer are ______________________.

a)

herbivores

b)

carnivores

c)

omnivores

75.

Black bears are ____________________.

a)

herbivores

b)

carnivores

c)

omnivores

76.

Coyotes are __________________.

a)

herbivores

b)

omnivores

c)

carnivores

77.

Raccoons are ________________.

a)

herbivores

b)

carnivores

c)

omnivores

78.

Chipmunks are ___________________.

a)

herbivores

b)

carnivores

c)

omnivores

79.

Hawks are __________________________.

a)

herbivores

b)

carnivores

c)

omnivores

80.

Frogs are ______________________.

a)

herbivores

b)

carnivores

c)

omnivores

81.

Rattlesnakes are _______________________.

a)

herbivores

b)

carnivores

c)

omnivores

82.

Fox are ___________________.

a)

herbivores

b)

carnivores

c)

omnivores

83.

Elk are ___________________.

a)

herbivores

b)

carnivores

c)

omnivores

84.

Skunks are _________________.

a)

herviores

b)

carnivores

c)

omnivores

85.

Porcupine are ____________________.

a)

herbivores

b)

carnivores

c)

omnivores

86.

Turkey are ___________________________.

a)

herbivores

b)

carnivores

c)

omnivores

87.

Groundhogs are ____________________.

a)

herbivores

b)

carnivores

c)

omnivores

88.

What is a food chain?

a)

A list of animals in a forest

b)

A sequence of plants and animals eating each other

c)

A type of food pyramid

d)

A diagram of a ecosystem

89.

Which of the following is a producer in a food chain?

a)

Mouse

b)

Hawk

c)

Grass

d)

Snake

90.

What eats plants in a food chain?

a)

Herbivores

b)

Carnivores

c)

Omnivores

d)

Decomposers

91.

Which animal is a carnivore in a food chain?

a)

Rabbit

b)

Lion

c)

Elephant

d)

Koala

92.

What happens to energy in a food chain?

a)

It increases

b)

It decreases

c)

It stays the same

d)

It disappears

93.

Which of the following is an example of a food chain?

a)

Grass → Mouse → Hawk

b)

Sun → Clouds → Rain

c)

Tree → House → Furniture

d)

Water → Fish → Boat

94.

Why are decomposers important in a food chain?

a)

They produce energy

b)

They consume plants

c)

They break down dead organisms

d)

They hunt herbivores

95.

What is the role of a consumer in a food chain?

a)

To produce energy

b)

To consume other organisms

c)

To decompose dead organisms

d)

To produce plants

96.

How do plants make their own food?

a)

By eating other organisms

b)

By using sunlight and water

c)

By consuming decomposed matter

d)

By hunting herbivores

97.

Why are food chains important?

a)

They show the number of animals in an ecosystem

b)

They demonstrate the energy flow in an ecosystem

c)

They explain the water cycle

d)

They describe the weather pattern

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