English Medium कक्षा १० - CBSE Question Bank Solutions for Science

Distinguish between pollination and fertilisation. Mention the site and product of fertilisation in a flower.

Draw a neat, labelled diagram of a pistil showing pollen tube growth and its entry into the ovule.

Write the full form of the following as it occur in biology :
AIDS

Which of the following diseases is not sexually transmitted? 

AIDS is a sexually transmitted disease caused due to an infection by a ______ 

List four points of significance of reproductive health in a society. Name any two areas related to the reproductive health which have improved over the past 50 years in our country.

Write the full form of the following as it occur in biology :
STD

What is the causative organism for the following disease?

Gonorrhoea

Write the full form of the following as it occur in biology :

HIV

What is the causative organism for the following disease?

Syphilis

What is the causative organism for the following disease?

AIDS

Name one method of contraception which also protects against sexually transmitted diseases.

Name one sexually transmitted disease for which no definite cure has been found so far. What is the causative organism of this disease?

What are the three types of methods used for birth control (or regulating child birth)? Give one example of each type.

What is the name of surgical method of birth control in human males in which the sperm ducts are cut and ligated (tied) at both ends?

What is the name of surgical method of birth control in human females in which the oviducts are cut and ligated (tied) at both ends?

Name the contraceptive device used by the human males which acts as a sheath over the male organ and traps the sperms in it.

Name the contraceptive device used by human females which is put over the cervix.

Describe the surgical methods of birth control for men