Phytochrome comprises a pigment and a:
Correct answer: D. Protein
- A. Lipid
- B. Carbohydrate
- C. Mineral
- D. Protein
Explanation
Phytochrome is a chromoprotein. It acts as a photoreceptor in plants. It is sensitive to light in the red and far-red regions. Phytochromes regulate processes linked with photoperiods like flowering, seed germination, chlorophyll synthesis, etc.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Reproduction
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
Practise Reproduction
1,220 free Reproduction MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Reproduction questions
Phytochrome exists in two forms i.e., P660 and:
Spinach is:
Promotion of flowering by cold treatment given to imbibed seeds or young plants is known as:
It has been found that red light promotes flowering in:
The hormone florigen is produced in:
A form of asexual reproduction in which new individual grows out as a small out growth and eventually separates from parent body is called: