Explain the polymer trapping model for symplastic loading of phloem.
See Answer →Discuss the importance of plant accessory pigments.
See Answer →Give an account of Z-scheme involving non-cyclic and cyclic photophosphorylation.
See Answer →Give a graphical account of glycolysis.
See Answer →Match the items given under column ‘A’ with those given under column ‘B’:
| Column A | Column B |
| i) Boron | a) Component of ferredoxin |
| ii) Molybdenum | b) Needed for synthesis of auxins |
| iii) Zinc | c) Component of nitrogenase |
| iv) Iron | d) Pollen germination |
Fill in the blanks:
i). The response of a plant part towards gravity is called ................. .
ii). In leguminous plants, leghaemoglobin protects ……………… activity.
iii). The net gain of ATP by complete oxidation of one glucose molecule is ………………… .
iv). Cells undergo plasmolysis when kept in a ………………… solution.
See Answer →State whether the following statements are 'True' or 'False':
i). Hydrophilic amino acids create a water-free zone within protein molecules.
ii). Wavelength greater than 700 nm are utilized by bacteria for photosynthesis.
iii). The upward movement of water is known as the ascent of sap.
iv). Uncompetitive inhibition is observed when substrate and inhibitor compete for the same active site of the enzyme.
See Answer →Phytochrome-mediated responses
See Answer →Bioassays for auxins
See Answer →Photorespiration
See Answer →Protoosmotic model for phloem transport
See Answer →What is stress? Discuss temperature induced stress.
See Answer →Discuss the functions of essential elements.
See Answer →Discuss the mechanism of opening and closing of stomata.
See Answer →Explain the mechanism of allosteric enzyme regulation.
See Answer →Explain active transport of metabolites through ionic pumps.
See Answer →Define the term 'Vernalization'. What role does it play in agriculture?
See Answer →Explain Krebs cycle. Highlight the metabolic intermediates and sites for NADH, FADH2 and ATP production.
See Answer →C3 and C4 plants
See Answer →