An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________?

✅ A. Tissue culture

Option A: Tissue culture Option B: Mutation Option C: Antibiosis Option D: Recombination Correct Answer : Tissue culture Read more

✅ D. Both a and b

Option A: They can move Option B: They lack cell wall Option C: They do not have chlorophyll Option D: Both a and b Correct Answer : Both a and b Read more

✅ C. Malpighian tubules

Option A: Protonephridium Option B: Metanephridium Option C: Malpighian tubules Option D: Nephrons Correct Answer : Malpighian tubules Read more

✅ C. Palmitic acid

Option A: Acetic acid Option B: Butyric acid Option C: Palmitic acid Option D: All have same Correct Answer : Palmitic acid Read more

✅ B. Negative feed back

Option A: Positive feed back Option B: Negative feed back Option C: Feed back Option D: Osmoregulation Correct Answer : Negative feed back Read more

✅ C. There is reduction of bone mass and change in chemical composition of the matrix

Option A: It results from estrogen deficiency. Option B: Bone eating process takes over bone formation process. Option C: There is reduction of bone mass and change in chemical composition of the matrix Option D: It is common in old age. Correct Answer : There is reduction of bone mass and change in chemical composition of the matrix Read more

✅ C. Amino acids

Option A: Fatty acids Option B: Isoprenoid units Option C: Amino acids Option D: Nucleotides Correct Answer : Amino acids Read more

✅ C. Wings

Option A: Flagella Option B: Cilia Option C: Wings Option D: Feathers Correct Answer : Wings Read more