Teaching MPPSC Assistant Professor Mock Test Series 2025 Life Sciences System Physiology Animal Nervous system
A person as been suffering from night blindness.On consultation, the doctor advised the person to eat the carrots/cod fish oil.After sometime having seen no improvement,the doctor gave the person Vitamin A injection.Still no marked improvement was seen.The doctor mooted several suggestions indicating lack of the following enzymes for the failure of treatment:
A) Retinol dehydrogenase
B) Retinal reductase
C) Retinal isomerase
D) Retinal synthase
1
A only
2
B only
3
B and C
4
C and D