CIE Biology Paper-3: Specimen Questions with Answers 70 - 72 of 230

Question number: 70

Short Answer Question▾

Write in Short

Read the following statements and write the correct parts from the codes given below-

I- Abnormal growth in plants is occur due to gibberellins

II- Gibberellins are found in greater concentration in tall varieties than in dwarf

III- Gibberellins have the ability to induce flowering

IV- IAA generally inhibits flowering

Explanation

Statement III and IV are correct.

Question number: 71

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

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.