During photosynthesis photolysis of water is induced by Mn⁺⁺ and CI^– ions.

Correct Option: D

During photosynthesis photolysis of water is induced by Mn⁺⁺ and CI^– ions.

C₄ cycle occurs in C₄ plants like sugarcane, maize. C₄ cycle provides a more efficient way of CO₂ fixation than C₃ cycle and hence gives more productivity. The rest are C₃ plants.

Correct Option: B

C₄ cycle occurs in C₄ plants like sugarcane, maize. C₄ cycle provides a more efficient way of CO₂ fixation than C₃ cycle and hence gives more productivity. The rest are C₃ plants.

Chlorophyll a is found in all photosynthetic plants except bacteria. Hence, it is termed as universal photosynthetic pigment.

Correct Option: C

Chlorophyll a is found in all photosynthetic plants except bacteria. Hence, it is termed as universal photosynthetic pigment.

Photosynthetic pigments occur on photosynthetic thylakoids of chloroplasts. A stack of thylakoids is called granum.

Correct Option: A

Photosynthetic pigments occur on photosynthetic thylakoids of chloroplasts. A stack of thylakoids is called granum.

The Pr form absorbs light between 660 to 680 nm and absorbs at a peak of 666 nm. It is the form synthesized in dark-grown seedlings. When Pr absorbs red light, it is converted to the Pfr form.

Correct Option: A

The Pr form absorbs light between 660 to 680 nm and absorbs at a peak of 666 nm. It is the form synthesized in dark-grown seedlings. When Pr absorbs red light, it is converted to the Pfr form.