AIPMT-MAINS Botany Photosynthesis in Higher Plants Class 11 Questions

Read the following four statements (A⁻D): (A) Both, photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane. (B) In dicot stems, a new cambium originates from cells of pericycle at the time of secondary growth. (C) Stamens in flowers of Gloriosa and Petunia are polyandrous. (D) Symbiotic nitrogen-fixers occur in free-living state also in soil. How many of the above statements are right?

Which one of the following is essential for photolysis of water?

In mitochondria, protons accumulate in the

Read the following four statements, A, B, C and D and select the right option having both correct statements. STATEMENTS : (A) Z scheme of light reaction takes place in presence of PSI only. (B) Only PS I is functional in cyclic photophosphorylation. (C) Cyclic photophosphorylation results into synthesis of ATP and NADPH₂. (D) Stroma lamellae lack PS II as well as NADP.

Study the pathway given below: In which of the following options correct words for all the three blanks A, B and C are indicated?

Manganese is required in:

Oxygenic photosynthesis occurs in:

Stroma in the chloroplasts of higher plant contains: