Plant Anatomy And Physiology - Study Mode
[#361] Leaf abscission is accomplished through the formation of which of the following cells, usually at the base of the petiole?
Correct Answer
(D) Parenchyma cells
[#362] Match List-I with List-II and select the correct answer: List-I List-II a. Strictly long-day plant 1. Trifolium repens b. Strictly short-day plant 2. Hyoscyamus niger c. Short-long-day plant 3. Pharbitis nil d. Long-short-day plant 4. Bryophyllum crenatum
Correct Answer
(D) a-2, b-3, c-1, d-4
[#363] Consider the following statements and choose the correct answer: 1. C 4 plants have "Kranz" type of leaf anatomy 2. The vascular bundles in C 3 leaves are surrounded by a layer of bundle sheath cells that contain large number of chloroplast 3. The chloroplast in C 4 leaves are dimorphic 4. In C 4 plants the cells of bundle sheath perform C 4 cycle
Correct Answer
(B) 1 and 3 are true
[#364] A high biological oxygen demand (BOD) indicates
Correct Answer
(C) Intense level of microbial pollution
[#365] The light energy absorbed by photosynthetic systems could lead to the esterification of inorganic phosphate into ATP, was first demonstrated by
Correct Answer
(B) Frenkel