IGCSE Biology Paper-1: Specimen Questions with Answers 72 - 74 of 109

Question number: 72

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Question

What is C & E in above Diagram?

Diagram of the human skeleton – Find C and E

Diagram of the Human Skeleton – Find C and E

Finding C & E in the system above

Choices

Choice (4) Response

a.

Scapula and pelvis

b.

pelvis and phalanges

c.

Tibia and phalanges

d.

Spine and thorax

Answer

b.

Explanation

Pelvis have two bones one Left and one right hip bone. And the phalanges are the bones that make up the finger.

Question number: 73

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Question

Define x and y?

Diagram of the circulatory system

Diagram of the Circulatory System

Finding X, and y in the picture above

Choices

Choice (4) Response

a.

Aorta and superior vena cava

b.

Pulmonary arteries and pulmonary veins

c.

Aorta and pulmonary arteries

d.

Superior vena cava and pulmonary veins

Answer

d.

Explanation

superior vena cava transports deoxygenated blood from the upper half of the human body to the heart’s right atrium. It is located in the anterior right larger mediastinum.

Question number: 74

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Question

Sedimentary cycle and hydrological cycle are the name of?

Choices

Choice (4) Response

a.

Carbon cycle and nutrients cycle

b.

Sulphur cycle and water cycle

c.

Nitrogen cycle and phosphorous cycle.

d.

Phosphorous cycle and water cycle

Answer

d.

Explanation

phosphorous cycle and water cycle

Phosphorous cycle is the slowest cycle and its reservoir is sedimentary rocks so it is also known as sedimentary cycle.

The water cycle is a cycle where water evaporates, travels into the air and precipitate &, falls down to earth, and then evaporates again.