Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

31.

Quiescent centre is found in plants at

  • root tip

  • cambium

  • shoot tip

  • leaf tip


32.

When the cell is fully turgid, its

  • DPD = OP

  • DPD = zero

  • WP = TP

  • OP = zero


33.

Which one is true for ATP?

  • ATP is a prosthetic part of an enzyme

  • ATP is an enzyme

  • ATP is the organic ions of enzyme

  • ATP is a coenzyme


34.

Purines possess nitrogen at

  • 1, 2, 4 and 6 position

  • 1, 3, 5 and 7 position

  • 1, 3, 7 and 9 position

  • 1, 2, 6 and 8 position


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35.

Thylakoids occur inside

  • mitochondria

  • chloroplast

  • Golgi apparatus

  • endoplasmic reticulum


36.

Chitin is a

  • polysaccharide

  • nitrogenous polysaccharide

  • lipoprotein

  • protein


37.

Mitochondria are semiautonomous as they possess

  • DNA

  • DNA and RNA

  • DNA, RNA and ribosomes

  • Protein


38.

Which of the cell organelle lacks membrane?

  • Mesosome

  • Mitochondria

  • Ribosome

  • Liposome


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39.

Interfascicular cambium is a

  • primary meristematic tissue

  • primordial meristem

  • type of protoderm

  • secondary meristematic tissue


D.

secondary meristematic tissue

The meristem that occurs in the mature regions of roots and shoots of many plants, particularly those that produce woody axis and appea later than primary meristem is called the secondary or lateral meristem. They are cylindrical meristems. Fascicular vascular cambium, interfascicular cambium and cork cambium are examples of lateral meristems. These are mainly responsible for producing secondary tissues.


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40.

Chloroplast dimorphism is a characteristic feature of

  • plants with Calvin cycle

  • C4 -plants

  • all plants

  • only in algae


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