IGCSE Biology Paper-3: Specimen Questions with Answers 214 - 218 of 358

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Passage

Figure shows the internal part of ear (Human Being)

Figure Shows the Internal Part of Ear

Question 214 (1 of 3 Based on Passage)

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Short Answer▾

What are the main functions of inner ear?

Explanation

The ciliate cells present in the liquid amplify the sound vibrations and categorize them by frequency. They transform mechanical energy into nerve signals; the auditory nerve collects all the pulses emitted by the ciliate cells. The brain registers, analyses and interprets all the information

Question 215 (2 of 3 Based on Passage)

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What is the part x, y, z?

Explanation

X- eardrum

Y-Auditory nerve

Z- Eustachian tube

Question 216 (3 of 3 Based on Passage)

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In above diagram visible part of ear is called.

Explanation

External ear or ear pinna

Question 217

Question

MCQ▾

What is the main cause of deforestation?

Choices

Choice (4)

a.

Pollution

b.

Due to high wind blowing

c.

Construction of houses and building

d.

Low rate of photosynthesis

Answer

c.

Explanation

Deforestation means cutting of trees and main causes of deforestation are construction of houses and buildings, mining, habitat loss etc.

Question 218

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Short Answer▾

Match the two columns shown below.

Table Shows Name of Some Living Organisms and Their Habitat

Explanation

In Some Living Organisms and Their Habitat in Arranged Manner

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