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- Question
Negative phase is observed in
Options- A. secondary humoral response
- B. primary humoral response
- C. both (a) and (b)
- D. none of the above
- Correct Answer
- secondary humoral response
- 1. All infections do not cause fever and all fevers are not due to infections which of the following is an example of non-infections cause of fever?
Options- A. Typhoid
- B. Chicken pox
- C. Rheumatic disease
- D. Malaria Discuss
- 2. The relationship between an oxidation-reduction potential difference and the standard free energy change is (where n is the number of moles of electron transferred, F= Faraday's constant and E°= standard oxidation-reduction potential difference)
Options- A. ?G° = -nFE°
- B. ?G° = nFE°
- C. ?G° = -nFlnE°
- D. ?G° = nFlnE° Discuss
- 3. Intracellular structures formed during many viral infections, called __________ , which can directly disrupt cell structure.
Options- A. prokaryotes
- B. chromosomal disruptions
- C. inclusion bodies
- D. cytocidal bodies Discuss
- 4. Viroids are composed of
Options- A. single-stranded DNA
- B. double-stranded DNA
- C. single-stranded RNA
- D. double-stranded RNA Discuss
- 5. Virulent and nonvirulent viruses may not
Options- A. inhibit host cell DNA synthesis
- B. inhibit host cell RNA synthesis
- C. stimulate host cell macromolecule synthesis
- D. degrade host cell DNA Discuss
- 6. Antibodies to which of the following antigens of Bacillus anthracis are protective?
Options- A. Capsular polypeptide
- B. Somatic polysaccharide
- C. Anthrax toxin
- D. None of these Discuss
- 7. Which of the following is a characteristic unique to the ciliates?
Options- A. Use of cilia as a sensory function
- B. Presence of both a macronucleus and several micronuclei
- C. Both (a) and (b)
- D. Possess a light-detecting eye spot Discuss
- 8. Which of the following virus is always detectable after infections?
Options- A. Hepatitis B virus
- B. Herpes simplex virus
- C. Varicella-zoster virus
- D. Cytomegalovirus Discuss
- 9. The expression of gene X (which has promoter Px) is to be monitored. A gene fusion construction for carrying this work will
Options- A. have Px but not the rest of the X coding region
- B. have the promoter of lacZ or some other reporter gene
- C. allow to monitor the expression of all genes with a promoter similar in sequence to Px
- D. give the same information as from a microarray Discuss
- 10. Which of the following best represents the hierarchy of levels of biological classification?
Options- A. Phylum, kingdom, class, order, genus, species, family
- B. Kingdom, phylum, class, order, family, genus, species
- C. Kingdom, phylum, family, class, order, genus, species
- D. Class, order, kingdom, phylum, family, genus, species Discuss
More questions
Correct Answer: Rheumatic disease
Correct Answer: ?G° = -nFE°
Correct Answer: inclusion bodies
Correct Answer: single-stranded RNA
Correct Answer: degrade host cell DNA
Correct Answer: Anthrax toxin
Correct Answer: Both (a) and (b)
Correct Answer: Hepatitis B virus
Correct Answer: have Px but not the rest of the X coding region
Correct Answer: Kingdom, phylum, class, order, family, genus, species
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