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- Question
A pathogen can be a (n)
Options- A. agent that causes a disease
- B. virus
- C. bacteria
- D. All of these
- Correct Answer
- All of these
- 1. The model that is now known to be correct for the structure of biological membrane is
Options- A. Fluid mosaic model
- B. Page's model
- C. Lac Operon model
- D. Lock and Key model Discuss
- 2. What is present in the stomach to prevent self-digestion?
Options- A. Mucus
- B. acid
- C. Enzymes
- D. hormones Discuss
- 3. The viruses that can achieve neoplastic transformation are called
Options- A. DNA tumor viruses
- B. RNA tumor viruses
- C. retroviruses HIV
- D. none of these Discuss
- 4. Energy that is released from glucose during respiration but not transferred to ATP bonds can be detected as
Options- A. CO2
- B. AMP
- C. ADP
- D. heat Discuss
- 5. What is the major protein constituent of high-density lipoprotein (HDL)?
Options- A. Apolipoprotein A-l
- B. Apolipoprotein C-l
- C. Apolipoprotein E
- D. None of these Discuss
- 6. Urea cycle converts
Options- A. ammonia into a less toxic form
- B. ketoacids into amino acids
- C. amino acids into ketoacids
- D. none of these Discuss
- 7. In the study of one experiment it was found that the value of Tm for DNA is = 40° C. If the cell has 20% GC at the above Tm, then what will be value of 'Tm' if the GC% increases to 60%?
Options- A. Remains same
- B. Increases
- C. Decreases
- D. Can not be compared Discuss
- 8. The primary reason for AIDS, a deadly disease is that it
Options- A. is caused by a virus
- B. is caused by a bacterium
- C. destroys key components of the body's internal defense system
- D. causes a breakdown of the body's inflammatory response Discuss
- 9. What is the main damaging effect of UV radiation on DNA?
Options- A. Depurination
- B. Formation of thymine dimers
- C. Single strand break
- D. Dehydration Discuss
- 10. Which of the following is required as a component of blood hemoglobin?
Options- A. Iron
- B. Magnesium
- C. Calcium
- D. Copper Discuss
More questions
Correct Answer: Fluid mosaic model
Correct Answer: Mucus
Correct Answer: DNA tumor viruses
Correct Answer: heat
Correct Answer: Apolipoprotein A-l
Correct Answer: ammonia into a less toxic form
Correct Answer: Increases
Correct Answer: destroys key components of the body's internal defense system
Correct Answer: Formation of thymine dimers
Correct Answer: Iron
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