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Significance of mitosis, Significance of Mitosis 1.      Reproduction ...

Significance of Mitosis 1.      Reproduction ;   William Bateson 1906 wrote, Whenever  I observe a dividing  cell under  the  microscope , I feel  as if the original act of  c

Middle piece - structure of the sperm, Middle piece - Structure of the Sper...

Middle piece - Structure of the Sperm Just behind the head, the small constriction (neck) carries a distal and a proximal centriole. The two lie at right angle to each other.

10 mcq question of plants, 10 mcq question in the topic of plants of 9th st...

10 mcq question in the topic of plants of 9th standard

Define briefly about vitamin B1, Vitamin B 1 (Thiamine hydrochloride) ...

Vitamin B 1 (Thiamine hydrochloride) a) Thiamine hydrochloride is a white, crystalline powder, slightly hygroscopic, of an odour resembling yeast and of bitter to taste. b)

Set up a potometer in the laboratory, A student set up a potometer in the l...

A student set up a potometer in the laboratory and measured the rate of movement of water in the capillary. An average of four readings gave a rate of 50mm per minute. The apparatu

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Explain the Recommended Dietary Allowances (RDA)? The recommended dietary allowances are estimates of nutrients to be consumed daily to ensure the requirements of all individua

Gill slits, Gill slits are the opening or the clefts between the gill arch...

Gill slits are the opening or the clefts between the gill arches in the fish. Water taken in by the mouth passes through the gill slits and bathes the gills. It also has rudimenta

Material basis of primitive life, Material Basis of Primitive Life: In ...

Material Basis of Primitive Life: In  the primitive society, human beings invented tools for catching animals, and for collecting, transporting and even preparing food.  They l

Rare species - wildlife, Rare Species - Wildlife These are those speci...

Rare Species - Wildlife These are those species whose numbers are few or they live in such small areas or in such unusual environments (endemics), that they could quickly disa

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