Pedagogy

CTET Science MCQ with Answers, Paper 2

353 practice questions on Science and its Pedagogy (Paper II) for CTET Paper II (Mathematics and Science), with answers; most also have an explanation or a worked solution. Try each one before you open its answer.

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1. Q.351

   What happens in the human body when we breathe in (inhalation)?

   1. A The ribs move down and inwards, the diaphragm moves up, and the chest cavity becomes larger
   2. B The ribs move up and outwards, the diaphragm moves down, and the chest cavity becomes larger
   3. C The ribs move up and outwards, the diaphragm moves up, and the chest cavity becomes smaller
   4. D The ribs move down and inwards, the diaphragm moves down, and the chest cavity becomes smaller
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   Correct answer: (B) The ribs move up and outwards, the diaphragm moves down, and the chest cavity becomes larger

   During inhalation the ribs move up and outwards and the diaphragm moves down, which increases the space in the chest cavity, and air rushes into the lungs. During exhalation the ribs move down and inwards and the diaphragm moves up to its former position.

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2. Q.352

   Before a model-making project begins, a teacher shares a table listing criteria such as working of the model, scientific explanation and use of low-cost materials, with a description of each level of performance. This tool is a:

   1. A Rubric
   2. B Anecdotal record
   3. C Cumulative record
   4. D Blueprint of a question paper
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   Correct answer: (A) Rubric

   A rubric sets out the criteria and describes what performance at each level looks like. Sharing it in advance makes expectations clear, makes scoring fairer and helps students judge their own work.

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3. Q.353

   Match the food component in List I with the simpler substance it is finally broken into during digestion (List II).

   List I: A. Carbohydrates B. Fats C. Proteins

   List II: 1. Amino acids 2. Fatty acids and glycerol 3. Simple sugars such as glucose

   1. A A-1, B-3, C-2
   2. B A-3, B-2, C-1
   3. C A-2, B-3, C-1
   4. D A-3, B-1, C-2
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   Correct answer: (B) A-3, B-2, C-1

   In the digestive system, carbohydrates are broken into simple sugars such as glucose, fats into fatty acids and glycerol, and proteins into amino acids, which are then absorbed.

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