Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

31.

Decarboxylation is involved in

  • electron transport system

  • glycolysis

  • Krebs' cycle

  • lactic acid fermentation


32.

During meiosis crossing over occurs between which part of homologous chromosome ?

  • Sister chromatids

  • Non-sister chromatids

  • Genes

  • Alleles


33.

Binomial system of nomenclature was given by

  • Julian Huxley

  • Bentham and Hooker

  • Linnaeus

  • Casper Bauhin


34.

Agar-agar is obtained from

  • Chlorella

  • Spirogyra

  • Ulothrix

  • Gelidium


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35.

In plants, water supply is due to

  • osmosis

  • imbibition

  • guttation

  • adhesion force


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36.

Medicine for curing respiratory problems is obtained from

  • Ephedra

  • Calotropis

  • Eucalyptus

  • Cannabis


A.

Ephedra

Ephedra is a medicinal preparation from the plant Ephedra sinica. Ephedrine is obtained from the green stems of Ephedra plant. It is used in the treatment of cold and asthma.

The oil obtained from the leaves of Eucalyptus is used in the treatment of nose and throat infections as well as in malarial infection.


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37.

In Funaria, stomata are present on the

  • stem

  • leaves

  • capsule

  • apophysis


38.

The process after glycolysis in anaerobic respiration is known as

  • fermentation

  • respiration

  • Krebs' cycle

  • decomposition


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39.

In cell cycle, during, which phase chromosomes are arranged in equatorial plate ?

  • Metaphase

  • Anaphase

  • Telophase

  • Prophase


40.

Law of limiting factor was given by

  • Leibig

  • Blackman

  • Calvin

  • Arnon


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