IGCSE Biology Paper-3: Specimen Questions with Answers 71 - 73 of 230

Question number: 71

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Short Answer Question▾

Write in Short

Write two differences between vitamins and mineral

Explanation

Table shows differences between vitamins and minerals

In given table two differences of nutrients such as vitamins and minerals are shown

Vitamins

Minerals

1

Organic substances

Inorganic compounds

2

Vitamins can be readily destroyed

Minerals area is very hard to damage and persist for a long time until excreted from the body

Question number: 72

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MCQ▾

Question

Pesticides are toxic so different color labels are used to know its toxisity. Red label represents.

Choices

Choice (4) Response

a.

Pesticides are toxic so different color labelschoice A

Pesticides Are Toxic So Different Color Labelschoice A

image of Pesticides are toxic so different color labels

b.

Pesticides are toxic so different color labels choice B

Pesticides Are Toxic So Different Color Labels Choice B

image of Pesticides are toxic so different color labels

c.

Pesticides are toxic so different color labels choice C

Pesticides Are Toxic So Different Color Labels Choice C

image of Pesticides are toxic so different color labels

d.

Pesticides are toxic so different color labels choice D

Pesticides Are Toxic So Different Color Labels Choice D

image of Pesticides are toxic so different color labels

Answer

a.

Explanation

peptides are those substances, which are very toxic and release in the environment to remove the pest from our environment.

Question number: 73

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MCQ▾

Question

Which is the main pituitary gland disorder?

Choices

Choice (4) Response

a.

Grave disorder

b.

Goiter

c.

Addison’s disorder

d.

Dwarfism

Answer

d.

Explanation

Hypo secretion of human growth hormone can leads dwarfism in which bones and other parts of the body is slowed down and body of mature person is look like a child.