Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

61.

Pellagra is caused by deficiency of vitamin

  • B1

  • B2

  • B5

  • B6


62.

Disease caused by deficiency of protein in children is

  • Obesity

  • Marasmus

  • Diabetes

  • Kwashiorkor


63.

The species, which is going to become extinct due to lack of proper care would be called

  • rare

  • endangered

  • vulnerable

  • extinct


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64.

Abnormal growth of the tumor in cancer is due to

  • abnormal mitotic division

  • accumulation of body fluid

  • abnormal meiotic division

  • metastasis


A.

abnormal mitotic division

Sometimes certain cells, which have differentiated and stopped dividing, suddenly start multiplying in an uncontrolled way to form a malignant growth called tumor. All cells carry certain cancer producing oncogenes. Under certain conditions these oncogenes are triggered to form masses of cells (tumor).


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65.

Antibody is produced by

  • B-Lymphocyte

  • Heparin

  • T- Lymphocyte

  • Both (a) and (b)


66.

Which one of the following can help in the diagnosis of a genetical disorder?

  • ELISA

  • ABO blood group

  • PCR

  • NMR


67.

Ischihara chart is used to detect

  • TB

  • eye sight

  • colourblindness

  • diabetes


68.

The children of a haemophilic man and a normal woman are

  • all haemophilic

  • only daughters are haemophilic

  • only sons are haemophilic

  • neither sons nor daughters are haemophilic


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69.

Double fertilisation was discovered by

  • Nawaschin

  • Starsburger

  • Emerson

  • None of the above


70.

If a plant having yellow or round seeds was crossed with another plant having green and wrinkled seeds then F, progeny are in the ratio

  • 15 : 1

  • 1 : 15

  • 1 : 13

  • all yellow and round seeds


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