What is the difference between chlorophyll-a and chlorophyll-b?

Important Questions on Photosynthesis in Higher Plants

EASY

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

Cytochromes are found in:

EASY

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

Which of the following is not a product of a light reaction of photosynthesis?

HARD

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?

EASY

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

The percentage of sunlight captured by plants is

EASY

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

Choose the correct statements among the following.
A) Chlorophyll is the major pigment responsible for the trapping of light, accessory pigments also participate
B) In green plants, H₂O is the hydrogen donor
C) In purple sulfur bacteria the oxidation product is carbon
D) Radioisotope studies proved water as a source of O₂ release in photosynthesis.

EASY

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

The process which makes a major difference between

C_{3}

and

C_{4}

plants is:

MEDIUM

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

Emerson's enhancement effect and red drop have been instrumental in the discovery of:

HARD

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?

MEDIUM

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

Assertion (A): Chromatographic separation of leaf pigments shows that leaves has four different pigments.

Reason (R): Pigments absorb light at specific wavelengths and help in the process of photosynthesis. The major leaf pigments are chlorophyll-a, chlorophyll-b, xanthophylls and carotenoids.

The correct option among the following is:

HARD

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis

_____ is chief component of chlorophyll. (Write the complete name)

MEDIUM

Biology>Plant Physiology>Photosynthesis in Higher Plants>Pigments Involved in Photosynthesis