Plant Anatomy And Physiology - Study Mode
[#596] Consider the following statements and choose the correct answer: 1. The absorption spectra of chlorophyll and bacteriochlorophyll are characteristic and distinct 2. Though not identical chemically, the accessory pigments of higher plants and photosynthetic bacteria serve the same function 3. Cyclic and non-cyclic photo phosphorylation occur only in case of higher plants 4. Bacterial photosynthesis occurs in presence of light and oxygen
Correct Answer
(B) Only 1 and 2 are true
[#597] Which among the following elements increases the absorption of water and calcium in plants?
Correct Answer
(B) Boron
[#598] Coenzymes, however, differ from enzymes in that
Correct Answer
(C) They are not proteins
[#599] Consider the following statements and choose the correct answer: 1. A direct proportionality exists between vapour pressure and the concentration of water vapour in the atmosphere 2. Relative humidity is an expression of the ratio of the actual vapour pressure of the atmosphere when saturated at the same temperature 3. A rise or fall in temperature with no change in vapour pressure will cause a drop or rise, respectively, in relative humidity 4. A rise or fall in vapour pressure with no change in temperature will be accompanied by a rise or fall, respectively, in relative humidity
Correct Answer
(A) 1, 2, 3 and 4 are true
[#600] The sexual reproduction taking place by the fusion of haploid male and female gametes is known as
Correct Answer
(B) Amphimixis