CTET Paper-II Science: Questions 142 - 145 of 207

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Question number: 142

» Science Content » World of Living

Appeared in Year: 2013

MCQ▾

Question

Which of the following elements must be available in water for the metamorphosis of tadpoles? (July)

Choices

Choice (4) Response

a.

Sulphur

b.

Bromine

c.

Chlorine

d.

Iodine

Question number: 143

» Science Content » Moving Things

MCQ▾

Question

While going in a tour, a student noted the reading on the odometer on the bus after every 20 minutes till the end of the journey. Later on he recorded the reading in a table shown below:

Sample readings on an odometer on the bus

Here are the sample readings on the odometer of the bus

Time (AM)

Odometer reading (km)

9.00

59560

9.20

59578

9.40

59588

10.00

59601

The average speed of the bus in the entire journey in meters per second was

Choices

Choice (4) Response

a.

11.4

b.

12.5

c.

9.54

d.

18

Question number: 144

» Science Content » How Things Work

Appeared in Year: 2012

MCQ▾

Question

If the frequency of vibrations of a body is decreased and its amplitude is increased, then (Jan)

Choices

Choice (4) Response

a.

Pitch and loudness of sound produced will decrease

b.

Pitch decreases but loudness increases

c.

Pitch and loudness of sound produced will increase

d.

Pitch increases but loudness decreases

Question number: 145

» Science Content » World of Living

Appeared in Year: 2013

MCQ▾

Question

Which of the following statements is true about endemic species? (July)

Choices

Choice (4) Response

a.

They are found only in zoos and botanical gardens.

b.

They are found exclusively in specific habitat.

c.

They are not affected by the destruction of their habitat.

d.

Endemic species can never become endangered.

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