NEET Biology Solved Question Paper 2008

Multiple Choice Questions

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Which of the following plant is LDP?

  • Xanthium

  • Soybean

  • Wheat

  • Tobacco

C.

Wheat

Long Day Plants (LDP) require a photoperiod of more than a critical length, ie, 4 to 18 hours. The best flowering of long day plants usually occurs in continuous light. For flowering, they require either no dark period or a very short dark period. Example of long day plants are wheat, maize, oats, spinach etc.

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    Which organelle is present in higher number in secretory cells?

    • Dictyosome

    • ER

    • Lysosome

    • Vacuole

    Answer

    Systema Naturae was written by

    • Linnaeus

    • Aristotle

    • Hippocrates

    • Darwin

    Answer

    Number of chromosomes in an angiospermic plant is 14, then the number of chromosomes in synergid cells will be

    • 14

    • 7

    • 28

    • 21

    Answer

    Vessels and companion cells are found in

    • angiosperm

    • pteridophytes

    • bryophytes

    • thallophytes

    Answer
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    Male gamete in angiosperm is produced by

    • generative cell

    • microspore cell

    • vegetative cell

    • tube cell

    Answer

    The mineral present in cell wall is

    • Na

    • Ca

    • K

    • Mg

    Answer

    Meristematic tissue in vascular bundle is

    • phellem

    • procambium

    • interfascicular cambium

    • fascicular cambium

    Answer

    What happened when we inoculated Rhizobium in wheat field?

    • No increase in production (nitrogen content of soil remains same)

    • A lot of increase in production (nitrogen content of soil increases)

    • Fertility of soil decreases

    • Fertility of soil increases

    Answer
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    Phytochrome is present in

    • vascular cryptogam

    • prokaryotes

    • flowering plants

    • algae

    Answer