NEET Biology Solved Question Paper 2004

Multiple Choice Questions

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Stanley Miller performed an experiment to prove the origin of life. They took gases NH3 and H2 along with

  • N2 and H2O

  • H2O and CH4

  • CH4 and N2

  • CO2 and NH3

B.

H2O and CH4

Stanley Miller using CH2 :NH3 :H2 gases in the ratio of 2 : 2 : 1 and water vapours synthesised many simple organic compounds including amino acids, glycine, alanine and aspartic acid. According to him, life originated from NH3, CH2, H2 and H20.

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    The joint of radio-ulna with the upper arm is

    • hinge joint

    • pivot joint

    • socket joint

    • none of these

    Answer

    Dinosaurs become extinct in

    • Permian age

    • Triassic period

    • Jurassic period

    • Cretaceous period

    Answer

    The infective stage of Plasmodium is

    • sporozoite

    • merozoite

    • trophozoite

    • schizont

    Answer

    A man of blood group 'A', marries a woman of blood group 'B', both of them are heterozygous for blood group, chances of their first child having blood group AB will be

    • 25%

    • 50%

    • 75%

    • 100%

    Answer
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    Which one of the following is vestigeal organ of human

    • Hair

    • Intestine

    • Wisdom teeth

    • Muscle of glottis

    Answer

    Which of the following pairs is correctly matched

    • Central dogma- Codon

    • Okazaki fragments - Splicing

    • RNA polymerase -RNA primer

    • Restriction enzymes - Genetic engineering

    Answer

    If the pollen tube enters the ovule through funiculus, the phenomenon is known as

    • porogamy

    • chalazogamy

    • mesogamy

    • heterogamy

    Answer

    In split genes the coding sequences are called

    • introns

    • exons

    • cistrons

    • operons

    Answer
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    Which of the following is the most resistant material in pollen grain

    • Sporopollenin

    • Intine

    • Exine

    • Certicle

    Answer