(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Biology

True or False:

The only health effect of ground-level ozone pollution is coughing.

If waste materials contaminate the source of drinking water which of the following diseases will spread?

Deforestation is one of the sources of pollution because:

Oil spills are a source of pollution for:

Maximum permissible smoke density in diesel vehicles is:

Give Reasons

Most often only one embryo is formed at a time although there are two ovaries in women. Explain.

Differentiate between the graafian follicle and corpus luteum.

The below diagram represents the sectional view of the female reproductive organs of a mammal.

(i) Label the parts numbered 1 to 7.
(ii) What are the main functions of the parts labeled 2, 5, 6?

Given below is a diagram of the female reproductive system of a human being

(i) Name the parts numbered 1 to 6.
(ii) Normally after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What do the sperms do after being released?
(v) What is the function of the organ numbered 5?
(vi) How many days does it normally take from the fertilization of the egg up to the birth of the baby?

The below diagram represents the vertical view of the human female reproductive system.

(i) Label the parts indicated by the guidelines 1 to 8.
(ii) How does the uterus prepare for the reception of a zygote?
(iii) What happens to the uterus if fertilization takes place?
(iv) What happens to the uterus if fertilization has failed to take place?

The adjoining figure represents the female reproductive organ of the humans

(i) How does the human embryo developing in the uterus obtain its nourishment?
(ii) Which structure protects and nourishes the developing embryo?
(iii) Define ovulation.

Explain the term Graffian follicle.

Explain the term Tubectomy.

Name the Following

The age or period when the reproductive organs become fully operational.

Name the Following

The term used when beard and mustache appear, harshening of voice, broadening of shoulders, etc. takes place.

Name the Following

A female gonad is responsible for the production of ova.

Name the Following

The female copulatory organ in humans.

Name the Following

The structure formed after the release of ovum from the Graffian follicle.

Name the Following

The term used for the mature follicles.

Name the Following

A cellular sac containing maturing egg.