In C4 plants, carboxylation is twice, it can be represented as

Related MCQs

• A. Under conditions of high light intensity and limited CO2 supply, photorespiration has a useful role in protecting the plants from photo-oxidative damage. R. If enough CO2 is not available to utilize light energy for carboxylation to proceed, the excess energy may not cause damage to plants.
• Heterozygous tall plants were crossed with dwarf plants what will be the ratio of dwarf plants in the following progency ?
• . In pea plants, yellow seeds are dominant to green, If a heterozygous yellow seeded plant isCorssed with a green seeded plants, what ratio of yellow and green seeded plants, would you expect in F1 generation? AIPMT - 2007
• Match the following with correct combination P. Carboxylation (i). Oxygen evolution Q. Phosphorylation (ii) Photorespiration R. Photolysis of water (iii) Rubisco S. Phosphoglycolate (iv) Chemosynthesis T. Nitrosomonas (v)ATP
• The Calvin cycle proceeds in three stages 1. reduction, during which carbohydrate is formed at the expense of the photochemically made ATP and NADPH 2. regeneration, during which the carbon dioxide acceptor ribulose – 1, 5 – biphosphate is formed 3. carboxylation, during which carbon dioxide combines with ribulose – 1, 5 - biophosphate
• The two enzymes responsible for primary carboxylation in C3 and C4 pathway, respectively are
• A. During meiosis, the genetic material is replicated twice whereas the cell divides one. R. Meiosis takes place in plants and animals during the formation of reproductive cells.
• What is true for the given statement ? Statement X : Most of the animals and almost all the plants cannot keep up their internal enviornment constant Statement Y : process of osmoregulation in plants is an example of this
• A. Photosynthestically C4 plants are less efficient then C3 plants. R. The operaion of C4 pathway requires the involvement of only bundle-sheath cells.
• In term of fixing CO2, C4 plants are .......... efficient as C3 plants.