Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

Which of the following teeth are lophodont?

  • Incisor and canine

  • Canine and premolar

  • Premolar and molar

  • Premolar and incisor


2.

The photorespiratory carbon-oxidation cycle involves the interaction of

  • chloroplast

  • mitochondria

  • peroxisomes

  • all of these


3.

Which of the following is related to glycosylation of protein?

  • Lysosome

  • Mitochondrium

  • Peroxisome

  • Rough endoplasmic reticulum


4.

A chromosome carrying the centromere at one of the ends is called

  • acentric

  • submetacentric

  • telocentric

  • metacentric


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5.

Glycolysis is found in cytoplasm of virtually all types of aerobic/ anaerobic cells. In this process glucose is converted into

  • PEP

  • acetyl CoA

  • pyruvic acid

  • citric acid


6.

Excretion in cockroach takes place by

  • nephridium

  • parotid gland

  • coxal glands

  • malpighian tubules


7.

Ambulacral grooves are absent in the living forms of the Class

  • Crinoidea

  • Asteroidea

  • Ophiuroidea

  • Echinodermata


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8.

The ganglia of sympathetic and the central nervous system in frog develops from the

  • neural cell

  • neural plate cells

  • notochordal cells

  • neural crest cells


D.

neural crest cells

In frog, all nerve cells connecting to central nervous system (brain and spinal cord) with receptor and effectors constitute the peripheral nervous system. Some small masses of nerve cell bodies are called ganglia. They develop from neural crest cells in frog.


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9.

Which of the following digestive juices has the minimum pH value?

  • Bile

  • Gastric juice

  • Saliva

  • Pancreatic juice


10.

Bud dormancy is induced by

  • ABA

  • ethylene

  • IAA

  • gibberellic acid


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