NEET Biology Solved Question Paper 2008

Multiple Choice Questions

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DNA multiplication is called

  • translation

  • replication

  • transduction

  • transcription

B.

replication

Replication is the process of DNA multiplication. It is semi- conservative in nature.

Transcription is the mode by which DNA passes its genetic information to mRNA.

Translation is the synthesis of a chain of polypeptide by mRNA.

Transduction is the transfer of genes from one bacterial cell to another by means of a virus.

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    Which of the following is a test cross ?

    • Tt x tt

    • TT x tt

    • Tt x Tt

    • tt x tt

    Answer

    Stop codons are

    • AUG, GUG

    • UAA, UGA, UAG

    • UAC, UGG

    • AGU, AGA, UAC

    Answer

    Jumping genes in maize were discovered by

    • Hugo de Vries

    • Barbara McClintock

    • TH Morgan

    • Mendel

    Answer

    The embryo at 16 celled stage is known as

    • morula

    • gastrula

    • blastula

    • blastomere

    Answer
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    Cleavage polyembryony occurs in

    • Pinus

    • Mini Cycas

    • Cycas

    • Ephedra

    Answer
    Foolish seedling disease of rice in Japan was caused by

    • the deficiency of nitrogen

    • a bacterium

    • a fungus

    • a virus

    Answer

    In rabbit, head of epididymis present at the head of the testis is called

    • vas deferens

    • cauda epididymis

    • gubernaculum

    • caput epididymis

    Answer

    Ozone depletion in stratosphere would result in

    • forest fires

    • global warming

    • skin cancer incidence

    • None of the above

    Answer
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    1 : 2 : 1 phenotypic and genotypic ratio is found in

    • complementary genes

    • blending inheritance

    • multiple alleles

    • pseudo alleles

    Answer