781. Dipeptides into amino acids are are converted through_____________?
✅ B. Erypsin
Option A: Amino peptidase Option B: Erypsin Option C: Pepsin Option D: Trypsin Correct Answer : Erypsin Read more
Biology MCQs – Page 40
782. Magnesium is present in which of the following__________________?
✅ C. Chlorophyll
Option A: Cytochromes Option B: ATP Option C: Chlorophyll Option D: Haemoglobin Correct Answer : Chlorophyll Read more
783. Deficiency of which of the following causes chlorosis__________________?
✅ D. Both A and B
Option A: Nitrogen Option B: Magnesium Option C: Iron Option D: Both A and B Correct Answer : Both A and B Read more
784. Mastication is carried out by__________?
✅ A. Teeth
Option A: Teeth Option B: Tongue Option C: Smooth muscles Option D: All of these Correct Answer : Teeth Read more
785. Deficiency of K+ causes_____________?
✅ C. Premature death of leaves
Option A: Stunted growth & strong chlorosis Option B: No electron transport chains Option C: Premature death of leaves Option D: Stunted growth of roots Correct Answer : Premature death of leaves Read more
786. An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________?
✅ D. Reverse Transcriptase
Option A: DNAase Option B: RNAase Option C: DNA polymerase Option D: Reverse Transcriptase Correct Answer : Reverse Transcriptase Read more
787. In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?
✅ C. Induction
Option A: Lysis Option B: Lysogeny Option C: Induction Option D: Adsorption Correct Answer : Induction Read more
788. Which of the following disease results in Paralysis due to viral attack on C.N.S:
✅ D. Polio
Option A: Measles Option B: Herpes simplex Option C: Hepatitis Option D: Polio Correct Answer : Polio Read more
789. In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall_____________?
✅ D. Penetration
Option A: Absorption Option B: Multiplication Option C: Lysogeny Option D: Penetration Correct Answer : Penetration Read more
790. Tobacco mosaic virus is__________?
✅ B. Rod Shaped
Option A: Spherical Option B: Rod Shaped Option C: Tadpole like Option D: Hexagonal Correct Answer : Rod Shaped Read more
791. In the Lysogenic cycle the DNA of the bacteriophage__________________?
✅ A. Joins the bacterial chromosomes
Option A: Joins the bacterial chromosomes Option B: Attaches to the inner surface of the host membrane Option C: Is immediately degraded when enters the host Option D: Goes directly to host ribosomes for translation Correct Answer : Joins the bacterial chromosomes Read more
792. The agent of controversial nature causing mad cow infection is_____________?
✅ D. Prion
Option A: Bacteria Option B: Cowpox Virus Option C: Adenovirus Option D: Prion Correct Answer : Prion Read more
793. Which of the following virus has special affiliations with the tumor production:
✅ B. Retrovirus
Option A: Hepatitis virus Option B: Retrovirus Option C: Polio virus Option D: Pox virus Correct Answer : Retrovirus Read more
794. Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage_____________?
✅ C. Lysogenic bacteria may get infected by the related phage
Option A: Phage when gets incorporated with the bacterial chromosome is called prophage Option B: The bacterium continues to live and reproduce normally Option C: Lysogenic bacteria may get infected by the related phage Option D: The cycle may convert into lytic type resulting from environmental exposure Correct Answer : Lysogenic bacteria may get infected by the related phage Read more
795. Which of the following statement about AIDS is incorrect:
✅ B. An infected mother cannot pass the virus to her baby.
Option A: is a host specific disease Option B: An infected mother cannot pass the virus to her baby. Option C: Results in enlargement of lymph nodes Option D: Can be prevented. Correct Answer : An infected mother cannot pass the virus to her baby. Read more
796. Bacteriopahage that infect E. coli are called_____________?
✅ C. T type
Option A: M type Option B: N type Option C: T type Option D: S type Correct Answer : T type Read more
797. Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:
✅ C. AIDS
Option A: Polio Option B: Hepatitis Option C: AIDS Option D: HIV Correct Answer : AIDS Read more
798. An isolated virus is not considered living since it________________?
✅ B. Can not metabolize
Option A: Separates in to two inner parts Option B: Can not metabolize Option C: Rapidly looses its Genome chemical inert Option D: Is coated with an air tight shield Correct Answer : Can not metabolize Read more
799. Which of the following is the smallest known virus:
✅ C. Polio virus
Option A: Hepatitis virus Option B: Retrovirus Option C: Polio virus Option D: Pox virus Correct Answer : Polio virus Read more
800. Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is__________?
✅ C. 162
Option A: 100 Option B: 152 Option C: 162 Option D: 172 Correct Answer : 162 Read more