Plant Anatomy And Physiology - Study Mode
[#791] The reduction of nicotinamide adenine dinucleotide phosphate, NADP + to NADPH is known as
Correct Answer
(B) Photoreduction
[#792] Occurrence of two forms of leaf - thin submerged leaves and large aerial leaves - called heterophylly is a case of
Correct Answer
(B) Helophytes
[#793] Consider the following statements regarding the Andaman and the Nicobar islands and choose the correct answer: 1. The islands have nearly 450 and 13.8 square miles of mangrove forests 2. This forest develops in areas covered by brackish water at high tide such as mud-flats along tidal streams 3. The dominant family in these islands is Acanthaceae 4. The mangrove forests are largely composed of single species or a few allied species
Correct Answer
(C) Only 1, 2 and 4 are true
[#794] In many temperate plants, subjecting them to very low temperatures for a short duration may result in rapid and more flowering when returned to normal temperature which is referred to as
Correct Answer
(B) Vernalisation
[#795] Match List-I with List-II and select the correct answer: List-I List-II a. Orthotropous ovule 1. The ovule is completely inverted in its orientation due to approximately 180° curvature of the funiculus b. Anatropous ovule 2. The ovule is erect and is devoid of any curvature with the micropyle distal and directed away from the placenta c. Hemianatropous ovule 3. The body of ovule is twisted only half way so that the degree of curvature is at right angle to the funicle d. Campylotropous ovule 4. The body of ovule becomes curved so that the micropyle and chalaza come to lie on either side of the funicle
Correct Answer
(B) a-2, b-1, c-3, d-4