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

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## Question number: 281

» Mathematical Content » Nature of Mathematics and Logical Thinking

Appeared in Year: 2012

### 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

» Mathematical Content » Nature of Mathematics and Logical Thinking

Appeared in Year: 2012

### 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

» Pedagogical Issues » Remedial Teaching

Appeared in Year: 2012

### 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. |