The enzyme, which combines with non-protein part to form a functi

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

The enzyme, which combines with non-protein part to form a functional enzyme known as :

  • co-enzyme

  • holoenzyme

  • apoenzyme

  • prosthetic group


B.

holoenzyme

Apoenzyme is the proteinaceous part of an enzyme. The apoenzyme plus non- protein aceous part is called holoenzyme.

Co-enzyme is a non- protein compound that is necessary for the function of an enzyme.

Prosthetic group is a non- protein group, forming a part of or combined with a protein.


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2.

Which of the following enzyme digest protein in stomach?

  • Trypsin

  • Pepsin

  • Crepsin

  • None of these


3.

Passive food ingestion in Amoeba is known as :

  • import

  • invagination

  • circumfluence

  • circumvallation


4.

The slime moulds are characterized by the presence of :

  • elaters

  • pseudoelaters

  • capillitium

  • capitulum


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5.

Ecdysone is secreted from:

  • insecta

  • trematoda

  • nematoda

  • polycheta


6.

Haemocoel is found in :

  • Hydra and Aurelia

  • Taenia and Ascaris

  • cockroach and Pila

  • Balanoglossus and Herdmania


7.

The group of anamniota includes:

  • reptiles and birds

  • birds and mammals

  • fishes and amphibians

  • reptiles, and mammals


8.

The excretory material of bony fish is:

  • urea

  • protein

  • ammonia

  • amino acid


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9.

Different colours of frog skin are controlled by:

  • hormones

  • melanocytes

  • nervous system

  • both 'a' and 'c'


10.

Blastula of frog has :

  • blastopore

  • blastocoel

  • arahenteron

  • gastropore


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