NEET Biology Solved Question Paper 2011

Multiple Choice Questions

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Acid rain is caused by

  • NO2

  • SO2 and NO2

  • SO3

  • CO2

B.

SO2 and NO2

Burning of fossil fuel mainly produce SO2 and NO2, which react with water to form sulphuric acid and nitric acid respectively. The acids when precipitated as rain or snow create acid rain.

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    The scientific name of the moth which produce tasar is

    • Bombyx mori

    • Antherae mylitta

    • Antherae assamensi

    • Philosomia ricini

    Answer

    Ovule integument gets transformed into

    • seed

    • fruit wall

    • seed coat

    • cotyledons

    Answer

    Biolistic technique is used in

    • tissue culture process

    • gene transfer process

    • hybridization process

    • germplasm conservation process

    Answer

    Pieces of plant tissue used in culture is called

    • explant

    • domaclone

    • inoculant

    • clone

    Answer
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    Polyploid derived from two different species is called

    • autopolyploid

    • triploid

    • allopolyploid

    • monoploid

    Answer

    Fertilization occur in

    • uterus

    • ureter

    • vagina

    • fallopian tube

    Answer

    Structural element of chromatin is

    • histone

    • acid protein and DNA

    • nuclear matrix

    • nucleosomes

    Answer

    Which of the following is related to humoral immunity?

    • T- lymphocyte

    • B- lymphocyte

    • I- lymphocyte

    • P- lymphocyte

    Answer
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    The name of the pace maker of the heart is

    • lymph node

    • SA node

    • juxtaglomerular apparatus

    • semilunar valve

    Answer