Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

91.

Noncleidoic eggs occur in

  • birds

  • fish

  • reptiles

  • platypus


92.

Human sperm was discovered by

  • Leeuwenhoek

  • Aristotle

  • Graaf

  • Pander


93.

Soil carried by gravity is

  • alluvial

  • eolian

  • colluvial

  • glacial


94.

Long fibres of cotton seed are known as

  • coir

  • fuzz

  • lint

  • flax


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95.

The pioneer country in the production of fuel alcohol is

  • Saudi Arabia 

  • Iran, Iraq

  • Brazil

  • Japan


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96.

Which of the following gland is often referred in relation with AIDS

  • Thyroid

  • Thymus

  • Adrenal

  • Pancreas


B.

Thymus

The thymus gland, which plays a key role in the maturation and functioning of the lymphoid system, is implicated in the acquired immune deficiency syndrome (AIDS). The observation that the thymic hormone, thymosin α1, is elevated in individuals at risk for AIDS (as opposed to being depressed in other immunodeficient states) has provided the first direct evidence that the thymus is malfunctioning early in the course of this deadly disease.


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97.

Most simple amino acid is

  • lysine

  • glycine

  • aspartic acid 

  • nucleic acid


98.

Kaziranga wild life sanctuary is famous for

  • tiger 

  • musk deer

  • elephant

  • rhino


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99.

The famous 'Chipko Movement' was started by

  • Bahuguna

  • Rajeev Gandhi

  • Indira Gandhi

  • Salim Ali


100.

Koch's postulates are not applicable to

  • TB 

  • leprosy

  • cholera

  • diphtheria


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