Science Content (CTET Paper-II Science): Questions 70 - 74 of 148

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Question number: 70

» Science Content » Basic Chemistry

Appeared in Year: 2012

MCQ▾

Question

When CNG or LPG undergoes complete combustion, the products formed are (Jan)

Choices

Choice (4) Response

a.

CO2andH2O

b.

CO2,COandH2O

c.

CO2 only

d.

CO2,SO2andH2O

Question number: 71

» Science Content » How Things Work

Appeared in Year: 2013

MCQ▾

Question

You are provided with a concave mirror, a concave lens, a convex mirror and a convex lens. To obtain an enlarged image of an object you can use either (July)

Choices

Choice (4) Response

a.

Concave mirror or convex mirror

b.

Concave lens or convex lens

c.

Concave mirror or concave lens

d.

Concave mirror or convex lens

Question number: 72

» Science Content » World of Living

Appeared in Year: 2011

MCQ▾

Question

Antibiotics are effective against (Jan)

Choices

Choice (4) Response

a.

Influenza

b.

Cholera

c.

Dengue Fever

d.

Hepatitis A

Question number: 73

» Science Content » How Things Work

Appeared in Year: 2011

MCQ▾

Question

Bakelite is used in making electrical appliances because it is a (June)

Choices

Choice (4) Response

a.

Good insulator of electricity

b.

Good conductor of heat

c.

Thermoplastic

d.

Good conductor of electricity

Question number: 74

» Science Content » Basic Chemistry

Appeared in Year: 2012

MCQ▾

Question

In order to determine acidic, basic or neutral character of solutions, a student tabulated the following results after experimentation. Which of the following observations has been tabulated correctly? (Jan)

Table containing acidic, basic or neutral solutions

Showing the table which contains acidic, basic or neutral solutions

Case

Test Solution

Effect on dry red litmus paper

Effect on dry blue litmus paper

Acidic/Basic/Neutral

A

NaCl

No change

Red

Acidic

B

Lime water

Blue

No change

Neutral

C

Vinegar

No change

No change

Neutral

D

Washing soda

Blue

No change

Basic

Choices

Choice (4) Response

a.

B

b.

C

c.

A

d.

D

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