CTET Paper-II Science: Questions 101 - 103 of 207

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Question number: 101

» 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

Question number: 102

» Pedagogical Issues » Natural Science - Aims & Objectives

Appeared in Year: 2013

MCQ▾

Question

While teaching the correct method of reading a clinical thermometer to class VIII students, Neha mentions the following necessary precautions to be taken:

(1) Thermometer should be washed with hot water before and after use.

(2) Do not hold the thermometer by the bulb while taking the reading.

(3) Ensure that before use, the mercury level in the thermometer is below 35 °C.

(4) Read the thermometer keeping the level of mercury along the line of sight.

Which one of the above precautions the teacher has mentioned wrongly? (July)

Choices

Choice (4) Response
a.

4

b.

2

c.

1

d.

3

Question number: 103

» 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

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