Which Vitamin is needed for the formation of a light-sensitive pigment in the retina.

Related Mcqs:

1. There are __________ types of nutrients needed by plants besides light to carry out photosynthesis

   A. Two
   B. Three
   C. Four
   D. Five

2. Pigment present in red algae is_____________?

   A. fucoxanthin
   B. phycocyanin
   C. phycoerythrin
   D. bilirubin

3. Which of the following pigment is Blue- green in colour?

   A. Chlorophyll a
   B. Chlorophyll b.
   C. Chlorophyll c
   D. Chlorophyll d.

4. The most important photosynthetic pigment is ___________?

   A. Chlorophyll a
   B. Chlorophyll b
   C. Xanthophyll
   D. Carotenes

5. Melanin pigment in cockroach is found in__________?

   A. Epicuticle
   B. Exocuticle
   C. Endocuticle
   D. All of these

6. ___________ are needed as a source of energy for the vital activities of the body?

   A. Calcium
   B. Iron
   C. Water
   D. Carbohydrates

7. Which one of the following vitamin is known as the “anti- Sterile” factor?

   A. Ascorbic acid
   B. Retinol
   C. Riboflavin
   D. a-tocopherols

   Submitted by: Yaseen Nohri

8. Deficiency of vitamin C will cause:__________?

   A. Beri-Beri
   B. Architis
   C. Scurvy
   D. Night-blindness

   Submitted by: Nimra Shah

9. The productivity of aquatic ecosystem is basically determined by light and____________?

   A. CO2
   B. O2
   C. Water
   D. Nutrients

10. Light reaction takes place on/in____________?

    A. Thylakoid
    B. Storma
    C. Chloroplast
    D. Grana