# CTET Paper-II Mathematics: Questions 281 - 283 of 441

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## Question number: 281

Appeared in Year: 2012

MCQ▾

### Question

This is a problem from NCERT textbook of Mathematics:

“In a laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5 % per hour. Find the bacteria at the end of 2 hours if the count was initially 5, 06, 000. ” With the help of this problem teacher can inculcate the following value: (Nov)

### Choices

Choice (4) Response

a.

Bacteria always grows and does not decay.

b.

Mathematics is required in every sphere of life.

c.

To conduct experiment in Biology Lab the knowledge of Mathematics is essential.

d.

Preventive measures shall be taken immediately to prevent the spread of epidemics because the bacteria grow at very fast rate.

## Question number: 282

Appeared in Year: 2012

MCQ▾

### Question

“Two numbers are in the ratio 5: 3. If they differ by 18, what are the numbers? ” This question is framed to test a student’s (Nov)

### Choices

Choice (4) Response

a.

Computational ability

b.

Verbal ability and procedural fluency

c.

Conceptual understanding

d.

Procedural fluency

## Question number: 283

Appeared in Year: 2012

MCQ▾

### Question

Before starting the unit on ‘numbers’ teacher draws the following ‘Concept map’ on the blackboard:

Here the teacher is trying to (Nov)

### Choices

Choice (4) Response

a.

Give hint to the students that questions in the examination can be asked from the subunits shown in diagram.

b.

Give overview of all concepts to be covered in the unit.

c.

Create interest of the students in this unit.

d.

Warn students to be careful and attentive in the class otherwise they will not be able to understand meaning of all terms.

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