Recent questions tagged reproduction in plants and animals

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1 answer

Even though each pollen grain has two male gametes, why are atleast 10 pollen grains and not 5 pollen grains

asked Apr 3, 2019 in Class 12 by kratos

+1 vote

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In pre –menstrual phase or luteal phase, one of the following hormone is increased in the blood

asked Mar 26, 2019 in Class 12 by kratos

+2 votes

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Acrosome is a part of:

asked Mar 21, 2019 in Class 12 by kratos

+2 votes

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A pregnant female delivers a baby, who suffers from stunted growth, mental retardation low intelligence quotient and abnormal skin.

asked Mar 19, 2019 in Class 11 by kratos

+2 votes

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Wind pollinated flowers are

asked Mar 19, 2019 in Class 12 by kratos

+3 votes

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Waves of muscle contractions that move the intestinal content are :

asked Mar 16, 2019 in Class 12 by kratos

+3 votes

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The follicle that ruptures at the time of ovulation promptly fills with blood, forming

asked Mar 16, 2019 in Class 12 by kratos

+2 votes

1 answer

Define reproduction. How does it help in providing stability to the population of species ?

asked Mar 10, 2019 in Class 10 by kratos

+2 votes

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By which process germ cells produce sperms? (a)Mitosis (b) Meiosis (c) Both (a) and (b) (d) None of these

asked Mar 9, 2019 in Class 12 by kratos

+2 votes

1 answer

******** transmitted ******* is

asked Mar 2, 2019 in Class 12 by kratos

+1 vote

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Rebuilding of endometrium take place in .........

asked Feb 28, 2019 in Class 12 by kratos

+2 votes

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Fill in the following blanks with suitable words: (a) Pollen grains contain………… gametes of a plant.(b) Ovules contain………… gametes of a plant.

asked Feb 23, 2019 in Class 12 by kratos

+2 votes

1 answer

Which of the following is a ******** transmitted *******?

asked Feb 22, 2019 in Class 12 by kratos

+1 vote

1 answer

Asexual reproduction takes place through budding in (a) Amoeba (b) Yeast

asked Feb 22, 2019 in Class 10 by kratos

+2 votes

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A single highly coiled tube where sperms are stored, gets concentrated and mature is known as :

asked Feb 19, 2019 in Class 12 by kratos

+2 votes

1 answer

What could be the reasons for adopting contraceptive methods?

asked Feb 18, 2019 in Class 10 by kratos

+1 vote

1 answer

Give a reason for Pollen grains of wind pollinated flowers are produced in large quantities.

asked Feb 13, 2019 in Class 12 by kratos

+1 vote

1 answer

A female worker who is operating an X-ray set when pregnant:

asked Feb 9, 2019 in Class 12 by kratos

+1 vote

1 answer

Why do we refer to offspring formed by asexual method of reproduction as clones?

asked Feb 6, 2019 in Class 10 by kratos

+1 vote

1 answer

Why is vegetative propagation practised for growing some types of plants?

asked Feb 3, 2019 in Class 10 by kratos

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