Science Content (CTET Paper-II Science): Questions 75 - 80 of 148

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Question number: 75

» Science Content » World of Living

MCQ▾

Question

The process in which two organisms live together and one organism lives on another one is called as

Choices

Choice (4) Response

a.

Heterotrophy

b.

Ectosymbiosis

c.

Parasitism

d.

Autotrophy

Question number: 76

» Science Content » How Things Work

MCQ▾

Question

The SI unit of power is

Choices

Choice (4) Response

a.

W

b.

js

c.

N.m

d.

None of the above

Question number: 77

» Science Content » Basic Chemistry

Appeared in Year: 2011

MCQ▾

Question

The greenhouse effect, which is causing an increase in the atmospheric temperature, is mainly due to (June)

Choices

Choice (4) Response

a.

Sulphur

b.

Carbon dioxide

c.

Oxygen

d.

Nitrogen

Question number: 78

» Science Content » Basic Chemistry

Appeared in Year: 2012

MCQ▾

Question

The process of converting sugars into alcohols is known as

(Jan)

Choices

Choice (4) Response

a.

Sterilization

b.

Homogenization

c.

Pasteurization

d.

Fermentation

Question number: 79

» Science Content » Basic Chemistry

Appeared in Year: 2011

MCQ▾

Question

When an iron nail is dipped in copper sulphate solution, the colour of copper sulphate solution fades and a brownish layer is deposited over the iron nail. This is an example of (June)

Choices

Choice (4) Response

a.

Decomposition reaction

b.

Double displacement reaction

c.

Combination reaction

d.

Displacement and redox reactions

Question number: 80

» Science Content » World of Living

Appeared in Year: 2013

MCQ▾

Question

Which of the following pairs is related to the inheritance of characters? (July)

Choices

Choice (4) Response

a.

Cell membrane and chloroplast

b.

Chromosomes and genes

c.

Cell membrane and cell wall

d.

Chromosomes and mitochondria

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