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प्रश्न
Which of the following is not a photosynthetic pigment?
विकल्प
Carotene
Xanthophyll
Phycobillins
Anthocyanin
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उत्तर
Anthocyanin
Explanation:
Anthocyanin is a purple colour pigment in plants which is responsible for imparting colour to the plant part and does not play any role in photosynthesis.
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संबंधित प्रश्न
Long Answer Question:
Describe the types of plants on the basis of photoperiod required, with the help of suitable examples.
Describe the mechanism of photoperiodic induction of flowering.
In short-day plants (SDP), flowering is induced by ______.
The site of perception of light in plants during photoperiodism is ______
______ of a vegetative plants are the sites of photoperiodic perception.
Light plays an important role in the life of all organisms. Name any three physiological processes in plants which are affected by light.
Nicotiana tabacum, a Short Day Plant, when exposed to more than critical period of light fails to flower. Explain.
Fill in the blanks:
Pigment involved in Photoperception in flowering plants is ______.
How many statements are correct for phytochromes?
- Phytochrome pigment exists in two forms.
- Two forms of phytochrome are interconvertible.
- Pfr form of phytochrome inhibits flowering in SDP, during day time.
- Pfr form of phytochrome inhibits flowering in LDP, during day time.
- During day time Pr form accumulates in plants.
While studying flowering behaviour in ______ and ______ plant, Garner and Allard discovered photoperiodism.
