Subject

Science

Class

TET Class 12

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
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 Multiple Choice QuestionsMultiple Choice Questions

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11.

Which of the following pigments is associated with the germination of seeds?

  • Phytochrome

  • Plastocyanin

  • Chlorophyll

  • Xanthophyll


A.

Phytochrome

Phytochrome is a blue-green plant pigment which regulates plant development, including seed germination, stem growth, leaf expansion, pigment synthesis, and flowering. Phytochrome has been found in most of the organs of seed plants and free-sporing plants.


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12.

The tissue that connects one bone with the other is called

  • adipose tissue

  • cartilage

  • epithelium

  • ligament


13.

Viviparous germination of seeds occurs in

  • mango

  • rhizophora

  • potato

  • sugarcane


14.

The source of oxygen liberated as a byproduct during photosynthesis is

  • carbon dioxide

  • water

  • glucose

  • chlorophyll


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15.

The component of blood that prevents its clotting in intact blood vessels is

  • antibody

  • heparin

  • thrombin

  • haemoglobin


16.

Islets of Langerhans are present in

  • stomach

  • liver

  • pancrease

  • heart


17.

Enzymes are chemically

  • lipid

  • acid

  • carbohydrate

  • protein


18.

Which of the following acids is also a vitamin?

  • Formic acid

  • Ascorbic acid

  • Maleic acid

  • Palmitic acid


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19.

The SI unit of heat is

  • joule

  • erg

  • calorie

  • watt


20.

If P, F and A represent pressure, force and area respectively, then

  • P=FA

  • P=FA

  • P=FA

  • P=FA


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