CTET (Central Teacher Eligibility Test) Paper-II Science: Questions 77 - 81 of 274

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Question 77

Appeared in Year: 2013

Question MCQ▾

Two organisms are best friends and live together. One provides shelter, water and nutrients while the other prepares and provides food. Such an association of organisms is termed as (July)

Choices

Choice (4)Response

a.

Heterotrophy

b.

Symbiosis

c.

Parasitism

d.

Autotrophy

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Question 78

Question MCQ▾

When sunlight flashes on the silver chloride it turns into grey color from white color, this is the example of

Choices

Choice (4)Response

a.

Displacement and redox reactions

b.

Combination reaction

c.

Double displacement reaction

d.

Decomposition reaction

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Question 79

Appeared in Year: 2011

Question MCQ▾

If the pressure over a liquid increases, its boiling point (June)

Choices

Choice (4)Response

a.

First decreases and then increases

b.

Decreases

c.

Increases

d.

Does not change

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Question 80

Question MCQ▾

When CNG or LPG undergoes incomplete combustion, the products formed are

Choices

Choice (4)Response

a.

b.

only

c.

d.

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Question 81

Question MCQ▾

‘Process validity’ of Science curriculum at upper primary stage requires that it should

Choices

Choice (4)Response

a.

Convey scientifically correct content.

b.

Be age appropriate and within the reach of students՚ understanding level.

c.

Nurture the natural curiosity and creativity of the learners.

d.

Focus on the process of learning and teaching rather than only on contents.

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