IGCSE Biology Paper-2: Specimen Questions with Answers 68 - 69 of 103

Question number: 68

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MCQ▾

Question

Which is the example of cardiac muscle-

Choices

Choice (4) Response

a.

Figure shows different type of muscles – Choice A

Figure Shows Different Type of Muscles – Choice A

Figure shows different type of muscles and identify cardiac muscle

b.

Figure shows different type of muscles – Choice B

Figure Shows Different Type of Muscles – Choice B

Figure shows different type of muscles and identify cardiac muscle

c.

Figure shows different type of muscles – Choice C

Figure Shows Different Type of Muscles – Choice C

Figure shows different type of muscles and identify cardiac muscle

d.

Figure shows different type of muscles – Choice D

Figure Shows Different Type of Muscles – Choice D

Figure shows different type of muscles and identify cardiac muscle

Answer

b.

Explanation

Heart muscle or cardiac muscle is involuntary muscle that is located in wall and histological foundation of heart mainly myocardium. Cardiac muscle is one of three major types of muscle, the others being skeletal and smooth muscle.

Question number: 69

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MCQ▾

Question

What is not a characteristic of respiration process?

Choices

Choice (4) Response

a.

Uses carbon dioxide to get glucose

b.

Regulating physiological activities

c.

Exhalation of carbon dioxide

d.

inhalation of oxygen

Answer

a.

Explanation

Inhalation of oxygen, exhalation of carbon dioxide, regulating physiological activities are the main features of respiration process but the uses carbon dioxide (CO2) and sunlight to get glucose, water, and oxygen is the process called photosynthesis.