Biology
Assertion (A): Garbage should never be kept in covered bins.
Reason: Covered bins provide suitable conditions for the growth and development of germs as well as serve as breeding places for many vectors.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Related Questions
Assertion (A): The disease causing agent/pathogen of 'dengue' is a type of mosquito — Aedes aegypti.
Reason (R): Aedes aegypti spreads germs from a diseased person to a healthy person.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Assertion (A): 'HIV' is a kind of fungal disease which is usually transmitted through sexual contact or blood transfusion.
Reason (R): The fungus grows and develops in the reproductive organs of humans and get transmitted easily during sexual contact.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Assertion (A): Diseases like cowpox, smallpox, chickenpox are all caused by the same virus.
Reason (R): The vaccine prepared for smallpox contains the fully virulent, living 'cowpox virus.
- Both A and R are true.
- Both A and R are false.
- A is true and R is false.
- A is false and R is true.
Name the following:
(a) A viral disease caused due to sexual contact with an infected person ……………
(b) A disease caused due to Plasmodium ……………
(c) A disease caused by the bite of female Anopheles mosquito ……………
(d) Two viral diseases caused by mosquito bites ……………
(e) Any droplet-borne disease ……………