IGCSE Biology Paper-3: Specimen Questions with Answers 33 - 36 of 230

Question number: 33

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Short Answer Question▾

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Complete the following passage using only words from the list below-

Growth, diploid, haploid, sexual reproduction

Mitosis is used for——— and produces———cells identical to each other and the parent cell.

Meiosis is used for——————– and produces ————cells different to each other and the parent cell.

Explanation

Mitosis is used for growth and produces diploid cells identical to each other and the parent cell. Meiosis is used for sexual reproduction and produces haploid cells different to each other and the parent cell.

Passage

The diagram below shows an incomplete food web.

Image shows an incomplete food web

Image Shows an Incomplete Food Web

Above image shows incomplete food web with parts A, B, C, D

Question number: 34 (1 of 2 Based on Passage) Show Passage

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Use the information given to complete the food web above.

F is an omnivore.

‎N feeds on M only.

‎M is a food producer.

Explanation

Image shows a complete food web

Image Shows a Complete Food Web

Above image shows a complete food web with filling all parts A, B, C, D. F, M, N.

Question number: 35 (2 of 2 Based on Passage) Show Passage

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How many food chains are there in the food web?

Explanation

6

Question number: 36

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MCQ▾

Question

This diagram shows part of food chain

Plant worms - > frogs - > Snake

What is most likely to enhance the size of frog population?

Choices

Choice (4) Response

a.

Fewer worms

b.

More snake

c.

More plants

d.

All of the above

Answer

a.

Explanation

Generally homeostasis or balance is occur in ecosystem in such diagram if worms will few the size of frog population will increase.