Change in the number of body parts is called from Biology NEET Y

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

11.

Urea synthesis occurs in

  • kidney

  • Liver

  • Brain

  • Muscles


12.

Which is common to kidney and skeleton in mammals?

  • Cortex

  • Medulla

  • Pelvis

  • Radius


13.

Which is regarded as the urinary bladder of the embryo?

  • Amnion

  • Allantois

  • Chorion

  • Yolk sac


14.

Deficiency of vitamin -B12 causes

  • Cheilosis

  • Thalassemia

  • Beri-Beri

  • Pernicious Anaemia


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15.

 Blood is a kind of

  • Areolar tissue

  • Connective tissue

  • Fluid connective tissue

  • Reticular connective tissue


16.

The most primitive vertebrates are

  • Ostracoderms

  • Cephalochordates

  • Placoderms

  • Cyclostomes


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17.

Change in the number of body parts is called

  • Continuous variation

  • Discontinuous variation

  • Meristic variation

  • Substantive variation


C.

Meristic variation

Meristic variations involve any change in the number of body parts. In other words, it may be defined as the numerical variation in the taxonomic characters, e.g., number of spots, vertebrae, etc.


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18.

Branch of zoology dealing with the study of fishes is called

  • Arthrology

  • Ichthyology

  • Saurology

  • Herpetology


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19.

Theory of continuity of germplasm was propounded by

  • Mendel

  • Lamarck

  • Weismann

  • Haeckel


20.

The most active phagocytic white blood cells are

  • Neutrophils and eosinophils

  • Lymphocytes and macrophages

  • Eosinophils and lymphocyte

  • Neutrophils and monocytes


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