IGCSE Biology Paper-1: Specimen Questions with Answers 87 - 89 of 208

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Question 87

Question

MCQ▾

Figure shows an alimentary canal. Food that leaves part X is called as-

Figure Shows an Alimentary Canal

Choices

Choice (4)

a.

Saliva

b.

Bolus

c.

Chyme

d.

Stomach

Answer

c.

Explanation

The part X in given diagram is stomach. It is a bag of muscular wall. Food that leaves the stomach is called chime and after this, it transfer to the small intestine.

Question 88

Question

MCQ▾

Which may be correct diagram

Shows Mother and Father Chromosomes and Their Next Generation

Choices

Choice (4)

a.

Part B

b.

Part C

c.

Part D

d.

Part A

Answer

c.

Explanation

in humans, the sex of an individual is determined by the type of sex chromosomes a person has. People with XX chromosomes indicates Mother and XY chromosome shows father. If there is birth of male child, its chromosome will be XY (son) .

Question 89

Question

MCQ▾

This is an example of forest ecosystem

Figure Shows a Forest Ecosystem

In which direction will be such food chain that includes all the organisms above

Choices

Choice (4)

a.

b.

c.

d.

Answer

b.

Explanation

Figure is related to forest ecosystem in which a food chain is occur.

Food chain that includes all the organisms above will be in the form of

Caterpillar eats plant, caterpillar will eat by birds and finally bird will eaten by fox.

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