1. [B] Both (i) and (iii) Biodegradable wastes are organic in origin whereas non-biodegradable wastes are plastics, metals etc. Enter the food chain as non-biodegradable waste and grow biologically as we move up the food chain.

    [B] Both (i) and (iii)
    Biodegradable wastes are organic in origin whereas non-biodegradable wastes are plastics, metals etc. Enter the food chain as non-biodegradable waste and grow biologically as we move up the food chain.

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  2. 1. The primary follicle grow and become fully mature graafian follicles. 2. Secretion of estrogen hormone. 3. Endometrium of uterus regenerates through proliferation.

    1. The primary follicle grow and become fully mature graafian follicles.
    2. Secretion of estrogen hormone.
    3. Endometrium of uterus regenerates through proliferation.

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