Last seen: Jan 13, 2022
(b) water Explanation: Oxygen which is liberated during photosynthesis comes form water. In photosynthesis, the light energy is captured by chloro...
(b) 400 nm - 700 nm Explanation: PAR (Photosynthetically active radiations) ranges between the wavelength 400- 700nm.
(b) Photosynthetic bacteria Explanation: Photosynthetic bacteria do not use H2O as electron donor but some other compound like Fe2+, H2S. In pho...
(a) high altitude plants Explanation: Hill reaction or light reaction depends upon light. It involves photolysis of water and production of assimi...
(d) photosynthesis Explanation: Blackman’s law is applicable to photosynthesis. It states that when a process is conditioned as to its rapidity by...
(a) photolysis Explanation: In photosynthesis, release of oxygen occurs during photolysis of water in light reaction.
(b) phosphoenol pyruvate Explanation: In C4 plants, the first CO2 acceptor is 3C compound, phosphoenol pyruvate.
(c) If Assertion is correct but Reason is incorrect. Explanation: Due to deficiency of sulphur plant shows chlorosis (i.e., yellowing due to degra...
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. Explanation: Sulphur is a constituent of am...
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion. Explanation: Plants do lack excretory organ...
Correct option: (c) Explanation: Plants obtain sulphur in the form of sulphate (SO42-).
(a) Manganese - structural component of chlorophyll. Explanation: Magnesium is a constituent of the ring structure of chlorophyll. Function of man...
(d) A – 5; B – 3; C – 2; D – 1; E – 4
(b) Mo Explanation: Molybdenum (Mo) is required for symbiotic nitrogen fixation by legumes. Plants requires molybdenum 0.1 to 2.5 ppm in their tis...
(a) Ca Explanation: Micronutrient elements are those element which is required in less quantity. These are Cu, Zn, Mn, B, Cl, Mo and Ni. Some phys...
(d) Pyruvic acid Explanation: In this process, one molecule of glucose undergoes partial oxidation to form 2 molecules of pyruvic acid.
(b) Cu, Fe, Zn, B, Mn Explanation: The essential elements are divided into macroelements and microelements based on the quantity in which they are...
(b) protecting nitrogenase from O2 Explanation: The root nodules of leguminous plants contain a symbiotic nitrogen fixing bacteria Rhizobium. Root...
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. Explanation: The parietal cytoplasm and perforate...
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. Explanation: Light is an important factor in tran...