IGCSE Biology Paper-1: Specimen Questions with Answers 61 - 64 of 109

Question number: 61

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Question

Eye color, Hair color, Height, Sound of your voice are the example of?

Choices

Choice (4) Response

a.

Genotype

b.

Oligotype

c.

Phenotype

d.

None of the above

Answer

c.

Explanation

Phenotype is organisms observable characteristics such as hair color, eye color voice etc.

Question number: 62

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Question

The diagram shows a potato. define X

figure shows a potato

Figure Shows a Potato

A pictur shows a potato with small spots on it

Choices

Choice (4) Response

a.

bud

b.

Stem

c.

Root

d.

Eye

Answer

a.

Explanation

These are small spots found in potato.

Question number: 63

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Question

Female have – chromosomes and male– have chromosomes?

Table of Female and male chromosomes

Finding pattern of male and female chromosomes

female

male

a

XX

YY

b

XY

XY

c

XX

XY

d

YY

XX

Image Title: Table of Female and male chromosomes

Choices

Choice (4) Response

a.

c

b.

a

c.

b

d.

d

Answer

a.

Explanation

In human beings 23 pairs of chromosomes present. Female have XX chromosomes and Male have XY chromosomes.

Question number: 64

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Question

When premodern Homo sapiens exists?

Choices

Choice (4) Response

a.

500,000 to 20,000 years ago

b.

About 600,000 to 30,000 years ago

c.

100,100 to present

d.

About 300,000 to 11,000 years ago

Answer

d.

Explanation

The premodern Homo sapiens main characters are face is large, the brows are projected, the upper portion of head is low, and in some cases the cranial vault is dense.