Chitin is a from Biology NEET Year 2010 Free Solved Previous Yea

Subject

Biology

Class

NEET Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 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


Advertisement
35.

Thylakoids occur inside

  • mitochondria

  • chloroplast

  • Golgi apparatus

  • endoplasmic reticulum


Advertisement

36.

Chitin is a

  • polysaccharide

  • nitrogenous polysaccharide

  • lipoprotein

  • protein


A.

polysaccharide

Chitin is a polysaccharide comprising chains of N-acetyl-D-glucosamine, a derivative of glucose. Chitin is structurally very similar to cellulose and serves to strengthen the supporting structure of invertebrates. It also occurs in fungi.


Advertisement
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


Advertisement
39.

Interfascicular cambium is a

  • primary meristematic tissue

  • primordial meristem

  • type of protoderm

  • secondary meristematic tissue


40.

Chloroplast dimorphism is a characteristic feature of

  • plants with Calvin cycle

  • C4 -plants

  • all plants

  • only in algae


Advertisement