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Botany - Economically Useful Plants and Entrepreneurial Botany 1 Mark Book Back Question Paper With Answer Key

12th Standard

    Reg.No. :
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Biology

Time : 00:15:00 Hrs
Total Marks : 14

    Multiple Choice Question

    14 x 1 = 14
  1. Consider the following statements and choose the right option.
    i) Cereals are members of grass family.
    ii) Most of the food grains come from monocotyledon.

    (a)

    (i) is correct and (ii) is wrong

    (b)

    Both (i) and (ii) are correct

    (c)

    (i) is wrong and (ii) is correct

    (d)

    Both (i) and (ii) are wrong

  2. Assertion: Vegetables are important part of healthy eating.
    Reason: Vegetables are succulent structures of plants with pleasant aroma and flavours.

    (a)

    Assertion is correct, Reason is wrong

    (b)

    Assertion is wrong, Reason is correct

    (c)

    Both are correct and reason is the correct explanation for assertion.

    (d)

    Both are correct and reason is not the correct explanation for assertion.

  3. Groundnut is native of ____.

    (a)

    Philippines

    (b)

    India

    (c)

    North America

    (d)

    Brazil

  4. Statement A: Coffee contains caffeine
    Statement B: Drinking coffee enhances cancer

    (a)

    A is correct, B is wrong

    (b)

    A and B – Both are correct

    (c)

    A is wrong, B is correct

    (d)

    A and B – Both are wrong

  5. Tectona grandis is coming under family _____.

    (a)

    Lamiaceae

    (b)

    Fabaceae

    (c)

    Dipterocaipaceae

    (d)

    Ebenaceae

  6. Tamarindus indica is indigenous to _____.

    (a)

    Tropical African region

    (b)

    South India, Sri Lanka

    (c)

    South America, Greece

    (d)

    India alone

  7. New world species of cotton _____.

    (a)

    Gossipium arboretum

    (b)

    G.herbaceum

    (c)

    Both a and b

    (d)

    Gosipium barbadense

  8. Assertion: Turmeric fights various kinds of cancer
    Reason: Curcumin is an anti-oxidant present in turmeric

    (a)

    Assertion is correct, Reason is wrong

    (b)

    Assertion is wrong, Reason is correct

    (c)

    Both are correct

    (d)

    Both are wrong

  9. Find out the correctly matched pair.

    (a)

    Rubber-Shorea robusta

    (b)

    Dye-Lawsonia inermis

    (c)

    Timber-Cyperus papyrus

    (d)

    Pulp-Hevea brasiliensis

  10. Observe the following statements and pick out the right option from the following:
    Statement I – Perfumes are manufactured from essential oils.
    Statement II – Essential oils are formed at different parts of the plants.

    (a)

    Statement I is correct

    (b)

    Statement II is correct

    (c)

    Both statements are correct

    (d)

    Both statements are wrong

  11. Observe the following statements and pick out the right option from the following:
    Statement I: The drug sources of Siddha include plants, animal parts, ores and minerals.
    Statement II: Minerals are used for preparing drugs with long shelf-life.

    (a)

    Statement I is correct

    (b)

    Statement II is correct

    (c)

    Both statements are correct

    (d)

    Both statements are wrong

  12. The active principle trans-tetra hydro canabial is present in ______.

    (a)

    Opium

    (b)

    Curcuma

    (c)

    Marijuana 

    (d)

    Andrographis

  13. Which one of the following matches is correct?

    (a)

    Palmyra - Native of Brazil

    (b)

    Saccharun - Abundant in Kanyakumari

    (c)

    Steveocide - Natural sweetener

    (d)

    Palmyra sap - Fermented to give ethanol

  14. The only cereal that has originated and domesticated from the New world.

    (a)

    Oryza sativa

    (b)

    Triticum asetumn

    (c)

    Triticum duram

    (d)

    Zea mays

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