Q. Spermatogonia are produced by repeated division by cells of

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Q. In male reproductive system, testicles are inside a sac called

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Q. During night, a plant has phytochrome in form of

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Q. Uterine tube or fallopian tube opens into the

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Q. In case of no fertilization,

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Q. Chromosome doubling in every generation reproducing sexually is prevented by

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Q. Internal fertilization is advantageous because it protects fertilized egg from

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Q. Release of oxytocin during labour pain occurs in form of

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Q. Viviparity is a feature of

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Q. Key feature in vernalisation is

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Q. Fertilization that occurs outside body of an organism is called

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Q. Parthenocarpy occurs due to harmonal imbalance usually due to high level of

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Q. Spirochaete, treponema pallidum causes

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Q. Flowering is inhibited in short day plants and promoted in long day plants by

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Q. During day, a plant possess phytochrome of about

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Q. Nourishing cells around ovule are called

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Q. Urine is stored inside body in a sac called

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Q. Passing out of placenta after birth is called

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Q. In oestrous cycle, hormone that prepares uterus for conception is

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Q. In ovary, second meiotic division occurs in the

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