1. Making anti-viral drugs is more difficult than making anti-bacterial medicines
because
a) Viruses make use of host machinery
b) Viruses are on the border line of living and non-living
c) Viruses have very few biochemical mechanisms of their own
d) Viruses have a protein coat
2. If you live in an overcrowded and poorly ventilated house, then you may suffer
from which of the following diseases?
a) Cholera
b) AIDS
c) Air borne disease
d) Cancer
3. Cancer is a disease caused due to the uncontrolled growth of tissues in any
part of body. This disease comes under which of the following types?
a) Congenital disease
b) Infectious disease
c) Non-infectious disease
d) None of these
4. The main symptoms of the HIV-AIDS infection are due to the fact that patient's
body can no longer fight off many minor infections and hence becomes the
reason of the patient's ultimate death. This happens because:
a) HIV virus alone causes all the infections
b) HIV virus releases a poison in the body
c) HIV virus damages the immune system of the body
d) HIV virus directly attacks the human nervous system
5. cholera is an ifectious , fatal disease caused by the bacterium which lives and multiplies in the small intestine the disease sometimes occurs in epidemic form which of the following is not a reson for the spread of deases ?
a) breeding of the flies on the garbage heaps
b) use of spices in food
c) drinking the contaminated water
d) consuming the contaminated food
answer these questions pls
Answers
1. b) Viruses are on the border line of living and non-living.
As we know that virus is non living outside the body and became living when enters into the body. Virus quickly make resistance from the medicine by changing its structure.
c) Air borne disease
when we live in overcrowded and poorly ventilated house, then we may suffer
from Breathing congestion, Common cold, etc.
c) HIV virus damages the immune system of the body
HIV attacks on T helper cells and make its number to lowest.
Due to this immune system get damage and person became weak.
b) use of spices in food
Cholera is not spread from spices in food it spreads from feacal matter and houseflies.
Hope you will like it.
Make it as Brainliest.
Answer:
prefer for the above answer it is explained correctly