CTET Paper-II Science: Questions 59 - 61 of 207

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 207 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 59

» Science Content » Basic Chemistry

Appeared in Year: 2012

MCQ▾

Question

PET bottles and jars are commonly used for storing edible items. PET is a very familiar form of (Jan)

Choices

Choice (4) Response

a.

Polyester

b.

Polyamide

c.

Acrylic

d.

Rayon

Question number: 60

» Science Content » How Things Work

Appeared in Year: 2014

MCQ▾

Question

While teaching the correct method of using a spring balance to Class VIII students, Gunjan mentions the following steps (not in correct sequence) to be followed:

(1) Note the zero error.

(2) Calculate the actual reading.

(3) Note the position of pointer on the graduated scale.

(4) Record the least count of the spring balance.

Which one of the following is the correct sequence of the steps to be followed for the said purpose? (Feb)

Choices

Choice (4) Response

a.

(1), (2), (4), (3)

b.

(4), (1), (3), (2)

c.

(1), (4), (3), (2)

d.

(1), (4), (2), (3)

Question number: 61

» Pedagogical Issues » Evaluation

MCQ▾

Question

The following observations were made by students A, B, C and D when they dissolved Hydrogen Chloride in water:

Observations of rubbing of solid baking soda on dry litmus paper

Showing observations by four students of rubbing of solid baking soda on dry litmus paper

Students

Effect on dry red litmus paper

Effect on dry blue litmus paper

A

Colour changed to blue

No change

B

No change

Colour changed to red

C

Colour changed to blue

Colour changed to red

D

No change

No change

The correct observation was made by the

Choices

Choice (4) Response

a.

A

b.

C

c.

B

d.

D

f Page
Sign In