Q. Pituitary gland on onset of puberty releases

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Q. Primary oocytes divide meiotically into

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Q. Phenomenon of releasing ovum from ovary is called

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Q. Twins which are produced sexually are

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Q. Central nervous system, heart, skin and eye bones joints are damaged in

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Q. Sperm fertilizes the

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Q. Tobacco plant flowers only after exposure to

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Q. Average age of menupause for females is

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Q. If two generations during alternation of generation in plants are vegetatively similar it is referred to as

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Q. Special condition of rest which enables an embryo to survive long periods of unfavourable conditions is called

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Q. Once placenta is established, it starts secreting hormone

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Q. In females, production of egg is a

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Q. If two gametes uniting are different in size and structure, they are called

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Q. Despite tape worm being bisexual, cross fertilization is ensured to maintain

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Q. Meiosis is also known as

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Q. Red light promotes

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Q. Reduction of progesterone level stimulates pituitary gland to produce

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Q. In unfavourable environmental conditions, a seed may has to face

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Q. Blue light sensitive pigments found in plants are called

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Q. In human females, periodic reproductive cycle is completed in approximately

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