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Biology Test 34...

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  • Question 1
    4 / -1

    Assertion : Flowers are the site of sexual reproduction in angiosperms.

    Reason : In the flower, androecium represents the male reproductive organs and gynoecium represents the female reproductive organs.

  • Question 2
    4 / -1

    Site of photosynthesis in C4 plant is

  • Question 3
    4 / -1

    Statement I : During oxidation within a cell, all the energy contained in respiratory substrates is released in a series of slow step-wise reactions controlled by enzymes.

    Statement II : Released energy in respiration is trapped as light energy in the form of ATP. 

  • Question 4
    4 / -1

    Which of the following cass of algae is mostly found in salt water ?

  • Question 5
    4 / -1

    Identify the correct and incorrect statements from the following.

    (i) 17,500 new cells are produced per hour by a single maize root apical meristem.

    (ii) With the help of length, growth of pollen tube is measured.

    (iii) The growth of the leaf is measured in terms of volume.

    (iv) Cells in a watermelon may increase in size by upto 3,50,000 times.

  • Question 6
    4 / -1

    Q: Hydrocolloid is

  • Question 7
    4 / -1

    Diagram given below shows the stages in embryogenesis in a typical dicot plant (Capsella). Identify the structures Zygote

  • Question 8
    4 / -1

    Assertion : ATP synthase has a channel that allows diffusion of protons back across the membrane.

    Reason : This releases enough energy to activate ATPase enzyme that catalyses the formation of ATP.

  • Question 9
    4 / -1

    In mitochondria, protons accumulate in the

  • Question 10
    4 / -1

    Which of the following statement is true?

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