Vaccines and Interferons

Q.

Define interferon.

Q.

What is the eclipse period in viruses?

Q. Sort the following steps for the production of edible vaccines for a disease.

1. Gene identified
2. Gene isolation
3. Gene insertion
4. Gene multiplied
5. Gene expressed

Q. Vaccines are obtained from herbal plant extracts.

1. True
2. False

Q.

Natural killer cells are able to bind to tumor cells and virus-infected cells and kill them. True or False?

1. True
2. False

Q. What is the definition of retrovirus?

Q. What are interferons? Mention their role.

Q.

Edward Jenner is known as the father of __.

Q.

What are the basic types of immunity?

Q.

What does inheritance mean?

Q. Which of the following hormones is used in the treatment of diabetes?

1. Adrenaline
2. Oestrogen
3. Insulin
4. Gonadotrophin

Q. Interferons are

1. Protein products of macrophages which destroy microbes
2. Allergens
3. Antibody molecule
4. Proteins secreted by virus infected cells which protect non-infected cells from further viral infection

Q. .......... is an antiviral substance produced by animals in response to viral infection.

1. Antigen
2. Repressor protein
3. Antivirin
4. Interferon

Q. Polio vaccine is tested on transgenic ............. for safety precautions.

1. Fish
2. Rabbit
3. Pig
4. Mice

Q.

Biotechnology is useful for production of harmones like

1. Insulin

2. Thyroxine

3. Calcitonin

4. Adrenaline

Q.

What happens if a host cell is unable to provide enzymes required for viral replication?

Q. The name of drug used in cancer treatment produced by biotechnology is

1. Human Growth Hormone (HGH)
2. Interferon
3. Thyroid Stimulating Hormone (TSH)
4. Insulin

Q.

How does your body defeat a virus?

Q. Interferons are synthesized in response to

1. Bacteria
2. Mycoplasma
3. Viruses
4. Fungi

Q. An antiviral protein released from infected and dying cells is

1. antiserum
2. antigen
3. antibody
4. interferon

Q. Match the following and find the correct option.

	I		II
(a)	Penicillin	1	Glycoprotein
(b)	Interferon	2	Meat tenderizer
(c)	Polyhedral Virus	3	Antibiotic
(d)	Protease	4	Antiseptic
		5	Biopesticide

1. a - 2, b - 4, c - 1, d - 5
2. a - 1, b - 2, c - 3, d - 5
3. a - 3, b - 1, c - 5, d - 2
4. a - 5, b - 2, c - 4, d - 1

Q.

	I		II
(a)	Interferons	(i)	Fab
(b)	Paratop	(ii)	Inflammatory mediators
(c)	Interleukins	(iii)	Antiviral blood cell
(d)	Histamine	(iv)	Anticoagulant
		(v)	Antibiotic

Match and find correct option

1. $a-iii,b-i,c-ii,d-iv$
2. $a-iii,b-i,c-iv,d-ii$
3. $a-iii,b-iv,c-v,d-ii$
4. $a-iii,b-ii,c-iv,d-v$

Q. What is the reason for obtaining interferons through recombinant DNA technique?

Q. What are interferons?

Q. Which of the following human proteins was obtained for the first time using a genetically modified Escherichia coli?

1. Keratin
2. Insulin
3. Hemoglobin
4. Cytokinin

Q. Insulin is a _________.

1. gene
2. protein
3. chemical
4. RNA

Q.

What happens in the entry stage step of virus infection?

Q.

Give one issue with the use of live vaccines.

Q. Interferon suppresses the pathogenicity of

1. Helminths
2. Protozoa
3. Bacteria
4. Viruses

Q. Assertion :Interferons are effective against viruses. Reason: Proteins which can be synthesized only by genetic engineering are effective against viruses.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Assertion is incorrect but Reason is correct.