NEET Biology Solved Question Paper 2008

Multiple Choice Questions

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A genophore is made up of 

  • a single double stranded DNA

  • a single stranded DNA

  • RNA and histones

  • histones and non- histones

A.

a single double stranded DNA

Bacteria being prokaryotes, lack organized nucleus. It consists of double stranded, single DNA molecule. The incipient nucleus or primitive nucleus is named as nucleoid or genophore.

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    Apical dominance is caused by

    • auxin

    • gibberellin

    • kinetin

    • ABA

    Answer

    In CAM plants, CO2 acceptor is

    • RuBP

    • PEP

    • OAA

    • PGA

    Answer

    DCMU 

    • inhibits PS- I

    • inhibits PS- II

    • destroy chloroplast

    • inhibits oxidative phosphorylation

    Answer

    Which one of the following is a natural growth inhibitor?

    • NAA

    • ABA

    • IAA

    • GA

    Answer
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    Ginger is an underground stem. It is distinguished from root because

    • it lacks chlorophyll

    • it stores food

    • it has nodes and internodes

    • it has xylem and vessels

    Answer

    During DNA replication in prokaryotes DNA is anchored to

    • chromosome

    • mesosome

    • nucleolus

    • ribosome

    Answer

    Root hair absorbs water from soil through

    • turgor pressure

    • ion exchange

    • osmosis

    • DPD

    Answer

    Which of the following is not caused by deficiency of mineral?

    • Chlorosis

    • Etiolation

    • Shortening of internodes

    • Necrosis

    Answer
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    Iodine is obtained from 

    • Laminaria

    • Chlorella

    • Polysiphonia

    • Porphyra

    Answer