IGCSE Biology Paper-3: Specimen Questions with Answers 31 - 34 of 358

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Question 31

Question

MCQ▾

This picture shows carbon cycle. What is x?

Picture Shows Carbon Cycle

Choices

Choice (4)

a.

Decomposition

b.

Burning process

c.

Photosynthesis

d.

Respiration

Answer

d.

Explanation

By the process of respiration animals release carbon di oxide into the atmosphere.

Question 32

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Write in Short

Short Answer▾

When waste materials are dump into water resource how it affects water Quality.

Explanation

Water quality will decrease. It reduce turbidity of water and pH of water will be change, which is very harmful for aquatic plants and animals.

Question 33

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Short Answer▾

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

Question 34 (1 of 2 Based on Passage)

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Short Answer▾

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

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