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Science Worksheet Reproduction in Animals Class 4 B | PDF | Egg | Yolk - Free Printable

Science Worksheet Reproduction in Animals Class 4 B | PDF | Egg | Yolk

Educational worksheet: Science Worksheet Reproduction in Animals Class 4 B | PDF | Egg | Yolk. Download and print for classroom or home learning activities.

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Show Answer Key & Explanations Step-by-step solution for: Science Worksheet Reproduction in Animals Class 4 B | PDF | Egg | Yolk
Let’s go through each question one by one and pick the correct answer.

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1. ________ is the hard outer covering of an egg.

- a. Albumen → That’s the white part inside.
- b. Shell → Yes! The hard outer layer you see and touch.
- c. Yolk → That’s the yellow part inside.
- d. Chick → That’s the baby bird that hatches.

Correct: b. Shell

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2. The young one of a frog is called ________.

- a. Maggot → That’s from flies.
- b. Chick → That’s from birds.
- c. Caterpillar → That’s from butterflies/moths.
- d. Tadpole → Yes! Frogs start as tadpoles in water.

Correct: d. Tadpole

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3. The white part of an egg is called ________.

- a. Egg shell → Hard outside.
- b. Embryo → The developing baby.
- c. Albumen → Yes! That’s the scientific name for egg white.
- d. Yolk → Yellow part.

Correct: c. Albumen

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4. The process of shedding old skin is called ________.

- a. Metamorphosis → Big change in body (like caterpillar to butterfly).
- b. Moulting → Yes! Snakes, insects, etc., shed skin or feathers.
- c. Hatching → Coming out of an egg.
- d. Incubation → Keeping eggs warm until they hatch.

Correct: b. Moulting

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5. An egg of a cockroach transforms into a form called ________.

- a. Nymph → Yes! Cockroaches don’t have a pupa stage — they hatch as nymphs.
- b. Fish → Not related.
- c. Housefly → Different insect.
- d. Butterfly → Has caterpillar and pupa stages.

Correct: a. Nymph

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6. Which of the following animals shows a complete change in the body structure from the young stage to the adult stage?

- a. Hen → Chicks look like small hens.
- b. Frog → Tadpole (with tail, no legs) → Frog (no tail, has legs). Big change!
- c. Snake → Baby snakes look like small adults.
- d. Man → Babies grow but don’t change body structure completely.

Correct: b. Frog

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7. Kangaroo is an example of ________.

- a. Aquatic animals → Lives in water? No.
- b. Oviparous → Lays eggs? No, kangaroos give birth to live young.
- c. Marsupials → Yes! They carry babies in a pouch.
- d. Reptile → No, they’re mammals.

Correct: c. Marsupials

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8. In the life cycle of a butterfly, which of the following changes into a pupa?

- a. Adult female → Lays eggs.
- b. Eggs → Hatch into larvae.
- c. Larva → Yes! The caterpillar becomes a pupa (chrysalis).
- d. Adult male → Also lays no eggs, doesn’t become pupa.

Correct: c. Larva

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9. The yolk in the egg provides ________ to the growing chick.

- a. Nourishment → Yes! It’s food for the baby chick.
- b. Spawns → That’s fish eggs.
- c. Incubate → That’s the process of keeping warm.
- d. Embryo → That’s the baby itself.

Correct: a. Nourishment

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10. Which fish carry their eggs or young ones with them?

- a. Jelly fish → Not even a real fish, and doesn’t carry young.
- b. Seahorse → Yes! Male seahorses carry eggs in a pouch.
- c. Star fish → Not a fish, and doesn’t carry young like this.
- d. Clown fish → Lay eggs on rocks, don’t carry them.

Correct: b. Seahorse

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Final Answer:
1. b
2. d
3. c
4. b
5. a
6. b
7. c
8. c
9. a
10. b
Parent Tip: Review the logic above to help your child master the concept of animal reproduction worksheet.
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