Properties and Concept of Different Types of Host for Pathogen

Q. The time period between the entry of pathogens into the body and appearance of
symptoms of diseases is called

1. adoption period
2. reserve period
3. dormant period
4. latent period

Q. Match column I to column II: Column I Column II

A.	Typhoid	I.	Plasmodium vivax
B.	Pneumonia	II.	Wuchereria bancrofti
C.	Elephantiasis	III.	Salmonella typhi
D.	Malaria	IV.	Streptococcus pneumoniae

1. A-I, B-IV, C-II, D-III
2. A-II, B-IV, C-I, D-III
3. A-III, B-IV, C-I, D-II
4. A-III, B-IV, C-II, D-I

Q.

Is gram negative bacteria contagious?

Q. What of the following statements is correct?

1. A definitive host is the carrier of the parasite while the reservoir host helps in its reproduction
2. Parasite feeds and multiplies in the definitive host and remains dormant in the reservoir host
3. Parasite causes symptoms in the definitive host but does not damage the reservoir host
4. Both the definitive and reservoir host are required for completion of the life cycle of the parasite

Q. Taenia solium is a parasitic worm found in

1. Human beings
2. Cows
3. Both a and b
4. All vertebrates

Q. In case of tapeworm the definitive host and the reservoir host are

1. Human beings and cows respectively
2. Human beings and pigs respectively
3. Pigs and human beings respectively
4. Cow and human beings respectively

Q. Taenia solium is a parasitic worm found in

1. Human beings
2. Cows
3. Both a and b
4. Only cows

Q.
What name is given to a virus which infects bacteria?

Q. Which of the following statements is/are correct?

1. A definitive host is the carrier of the parasite while the reservoir host helps in its reproduction
2. Parasite feeds and multiplies in the definitive host and remains dormant in the reservoir host
3. Parasite causes symptoms in the definitive host but does not damage the reservoir host
4. Both the definitive and reservoir host are required for completion of the life cycle of the parasite

Q. The time period between the entry of pathogens into the body and appearance of
symptoms of diseases is called

1. adoption period
2. reserve period
3. dormant period
4. latent period

Q. Taenia solium is a parasitic worm found in

1. Cows
2. Human beings
3. Both a and b
4. Only cows

Q. Who discovered Mycoplasma?

1. Both A and B
2. Kohler and Milstein
3. Nocard and Roux
4. Alexander Flemming

Q. Why is milk a potent carrier of DDT? Would you expect the skimmed milk to have higher amount of DDT? To which group of pesticides does DDT belong?

Q. State whether true or false:
A parasite can have multiple hosts.

1. True
2. False

Q. The role of humans in the life cycle of Plasmodium is

1. Primary host
2. Secondary host
3. Intermediate host
4. None of the above

Q. Which of the following shows coiled RNA strand and capsomeres?

1. Measles virus
2. Retrovirus
3. Tobacco mosaic virus
4. Polio virus

Q. Longest plant virus is

1. $\varphi \times 174$
2. TMV
3. Citrus tristeza
4. $T_1$ phage

Q. In case of tapeworm, the definitive host and the reservoir host are

1. Human beings and cows respectively
2. Human beings and pigs respectively
3. Pigs and human beings respectively
4. Cow and human beings respectively

Q. State whether true or false:
A parasite can have multiple hosts.

1. True
2. False