CTET Solved Paper MCQ - CTET Feburary 2016 Paper2

36 Cellulose-rich food substances (i.e. roughages) are considered an essential component of a balanced diet of human beings. Which one of the following is the correct statement about cellulose?

A
Human beings do not, have cellulose-digesting enzymes.
B
Cellulose is a type of carbohydrate, which gets absorbed in the human blood and gives energy.
C
Cellulose breaks down easily into smaller components which are egested as roughages.
D
The cellulose-digesting bacteria present in human beings convert cellulose into fibres.

Human beings do not have cellulose-digesting enzymes because its sources in alimentary canal vermiform appendix are nonfunctional and remain as a Vestigial organ.

37 Sometimes the students have alternative conception related to various science concepts. What should the science teacher do?

Science teacher should help the students revisit their ideas through various activities to clear the alternative conception related to various science concepts.

38 The joint between head and upper jaw is an example of

Joint between head and upper jaw is an example of fixed joint. This joint makes impossible for upper to move because it is made with dense connective tissue of collagen.

39 Which of the following make(s) good open-ended question(s)?
A. What difficulties would we face if our bodies did not have muscles in it?
B. What is the difference between the stem of a rose plant, mango tree and tulsi?
C. Snake and snail have very different styles of movement. Why is it so?
D. Observe various roots and write their features.

The question, "What difficulties would we face if our bodies did not have muscles in it?" is an open-ended question which can have an elaborated answer.

40 Identify the correct statements.
A. The freshwater stored in ground is less than that present in the rivers and lakes of the world.
B. Water shortage is a problem faced by people only in rural means.
C. Water from rivers is the only source for irrigation in the fields.
D. Rain is the ultimate source of fresh water.

The rain is the ultimate source of freshwater. It makes rivers, lakes and glaciers.

CTET Solved Paper MCQ - CTET Feburary 2016 Paper2

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