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11th Standard Botany - Photosynthesis English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

11th Standard

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Botany

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Which chlorophyll molecule does not have a phytol tail?

    (a)

    Chl- a

    (b)

    Chl-b

    (c)

    Chl- c

    (d)

    Chl -d

  2. Select the correct pair
    I. Chlorophyll a - Pyrrole II carbon 3 attached to aldehyde group
    II. Chlorophyll b - Resemble Chlorophyll a, lacks Mg
    III. Pheophytin - Pyrrole II Carbon 3 attached to Methyl group
    IV. Phycobilin . Have neither Mg nor Phytol chain

    (a)

    I, II, III are correct

    (b)

    IV only correct

    (c)

    II only correct

    (d)

    I only correct

  3. Statement
    1. RUBISCO has the most abundant protein on the earth.
    II. RUBISCO has low affinity for CO2 and O2 and high affinity for RUBP
    III. RUBISCO is also called diffraction I protein
    IV. RUBISCO is also called fraction I protein

    (a)

    I only correct

    (b)

    II and III incorrect

    (c)

    II and IV correct

    (d)

    III only incorrect

  4. Energy needed for ATP synthesis in PS II comes from____________.

    (a)

    Proton gradient

    (b)

    Electron gradient

    (c)

    Reduction of glucose

    (d)

    Oxidation of glucose

  5. Kranz anatomy is one ofthe characteristics of the leaves of

    (a)

    Sugarcane

    (b)

    Wheat

    (c)

    Potato

    (d)

    Mustard

  6. Law of limiting factors was proposed by ______________.

    (a)

    Calvin

    (b)

    Huber

    (c)

    Blackman

    (d)

    Von Maye

  7. All carotenoid pigments have ___________carbon atoms.

    (a)

    30

    (b)

    40

    (c)

    50

    (d)

    20

  8. The term quantosome was coined by________________.

    (a)

    Emerson

    (b)

    Warburg

    (c)

    Steinman Park

    (d)

    Beggins

  9. Dicarboxylic Acid pathway refers to

    (a)

    C3 pathway

    (b)

    C4 pathway

    (c)

    C2 pathway

    (d)

    CAM

  10. Complete the following.
    \(PEP+CO_2 \xrightarrow[]{A}B\)
    Identify A and B

    (a)

    A - PEP carboxylase
    B - Oxaloacetic acid

    (b)

    A- RUBP carboxylase
    B - Oxaloacetic acid

    (c)

    A - Transferase
    B - Oxaloacetic acid

    (d)

    A - PEP carboxylase
    B - Succinic acid

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