The second maturation division of the mammalian ovum occurs
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(a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until fater the ovum has been penetrated by a […]
Which one of the following statements about human sperm is correct?
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(a) Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilisation (b) The sperm lysins […]
Which one of the following statements about morula in humans is correct?
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(a) It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA (b) It has far […]
Select the correct statement from the ones give below with respect to dihybrid cross.
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(a) Tightly linked genes one the same chromosome show higher recombinations (b) Genes far apart on the same […]
Which one of the following cannot be explained on the basis of Mendel’s Law of Dominance?
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(a) The discrete unit controlling a particular character is called a factor (b) Out of one […]
Select the correct statement about drugs from the ones given below?
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(a) Barbiturates when given to criminals make them tell the truth (b) Morphine is often given to persons who have undergone […]
Which one of the following statements is correct with respect to AIDS?
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(a) The HIV can be transmitted through eating food together with an infected person (b) Drug addicts are least susceptible […]
Consider the following four statements (i-iv) regarding kidney transplant and select the two correct ones out of these (i) Even if a kidney transplant is proper the recipient may need to take immune suppresants for […]
The principal nitrogenous excretory compound in humans is synthesised
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(a) in kidneys but eliminated mostly through liver (b) in kidneys as well as eliminated by kidneys (c) in liver and also eliminated by […]
Which one of the following statements in regard to the excretion by the human kidneys is correct?
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(a) Descending limb of Loop of Henle is impermeable to water (b) Distal convoluted tubule is […]
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