Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

21.

Animals of class-Mammalia have

  • Seven cervical vertebrae

  • Seven cranial nerve

  • Single ventricular chamber

  • Fourteen cervical vertebrae


22.

The basic unit of classification is

  • Species

  • Genus

  • Family

  • Phylum


23.

One animal that does not perform locomotion is

  • Sycon

  • Nereis

  • Sepia

  • Euglena


24.

The phrase "Omnis cellula e cellula' was given by

  • Virchow

  • Pasteur

  • Schleiden

  • Brown


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25.

Apoenzyme is

  • Protein

  • Carbohydrate

  • Vitamin

  • Amino acid


26.

Glycogenolysis involves

  • Conversion of sugar into glycogen

  • Oxidation of Sugar

  • Conversion of glycogen into sugar

  • Conversion of glycogen into fat


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27.

Nucleic acid is absent in

  • Virus

  • Viroid

  • Prion

  • Mycoplasma


C.

Prion

Prions are disease-causing proteinaceous molecules. These lack nucleic acid and are formed due to abnormal folding of proteins.


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28.

In most fungi, cell wall is chiefly made of

  • Cellulose

  • Chitin

  • Protein

  • Lipid


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29.

Heterocysts are present in

  • Riccia

  • Ulothrix

  • Albugo

  • Nostoc


30.

In Ruscus, the stem is a

  • Phyllode

  • Cladode

  • Offset

  • Sucker


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