std 9 science ch 14 svadhyay

Class 10 Science | Chapter 14 Sources of Energy | Important Question and Quick Revision

Incidence of STDs is very among individuals of age group

Science magazine and science journals are

63 : 9 : : ? : 14

What are STDs ? Name one bacterial and one viral STD. How can they be prevented?

Natural Science And Social Science

Sexually transmitted disease (STD) caused by a protozoa is :

(a) Expand STDS (b) Cite any two examples for STDs. (c) Suggest any two methods for the prevention of STDs.

What do you mean by "STD" ? Give some measures of STD prevention.