CTET Science MCQ - General Science

1 Chemical formula of Plaster of Paris is

Plaster of Paris is made from gypsum which is a crystalline mineral of hydrated calcium sulphate. The chemical formula of plaster of Paris is
CaSO₄. 1/2H₂O

A. Supervised study	1. BF Skinner
B. Descending programmed instruction	2. Norman A Crowder
C. Branching Programmed instruction	3. Thomson F Gilbert
D. Linear programmed instruction	4. Daisy Marwin

Match the innovations used in science teaching with their developers.

Codes

A B C D

Option (D) is a correct match.

3 In food chain, herbivores are

In food chain, herbivores animals are called primary consumer because of their ability to survive solely on tough and fibrous plant matter.

4 Which one of the following is right method to dispose of non-degradable waste products?

Only recycling is the process used to convert waste materials into reusable objects to prevent waste as these materials cannot be decomposed by air, climate or soil and cannot be dissolved naturally into the land.

5 Electronic configuration of an element is 1s², 2s², 2p⁶, 3s², 3p⁶, 4s¹, 3d⁵. The block and period of the element in periodic table will be

(c) In the given electronic configuration 4 is the highest principal quantum number so it belongs to 4th period and its last subshell is d, hence it belongs to d-block.

CTET Science MCQ - General Science

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