IGCSE Biology Paper-3: Specimen Questions with Answers 40 - 43 of 358

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Passage

Figure Shows a Part of Bone of Human Being

Question 40 (2 of 2 Based on Passage)

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This matter contains immature cells, which are known as-

Explanation

Stem cells

Question 41

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Choose words from the list to match them to the statements about Excretion process

Body Poisonous Urine Breathe Out Waste Excretion

… is the removal of … from the … If this matter was allowed to remain in the body it could be … Humans produce a liquid waste called … We also excrete waste when we …

Explanation

Excretion is the removal of waste from the body. If this matter was allowed to remain in the body, it could be poisonous. Humans produce a liquid waste called urine. We also excrete waste when we breathe out.

Question 42

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Desertification occurs in many parts of the world.

What are the main solutions for the desertification?

Explanation

Policies should be changed related to farm methods. Education is an important tool to understand people the best way to use land and farming process on that land. In some cases if there are fewer possibilities to prevent, desertification there should be need of research and advanced technologies

Question 43

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Metabolism is the main characteristic of life. Describe two other traits which are found in living organism

Explanation

(i) Cellular structure- It is a defining property of living beings. Each living being is made up of one or more cells.

(ii) Growth- it is an irreversible increase in the mass of on individual.

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