Plant Anatomy And Physiology - Study Mode
[#701] When an organ grows at an intermediate angle i.e. between 0° to 90° or between 90° to 180° from the vertical, it is said to be
Correct Answer
(B) Plageotropic
[#702] The seeds of certain plants fail to germinate, if they do not pass through the digestive tract of fruit-eating birds. This is due to
Correct Answer
(B) seed coat impermeability
[#703] Consider the following statements regarding recurrent type apomixis and choose the correct answer: 1. There is meiosis during the formation of megaspore 2. The embryo sac is diploid in nature 3. The embryo sac never develops from a cell of the archesporium 4. The development of embryo from a cell of an embryo sac other than egg is known as apospory
Correct Answer
(D) Only 2 and 4 are true
[#704] Each biome blends with the next through a fairly broad transition region known as
Correct Answer
(B) Ecotone
[#705] Consider the following statements and choose the correct answer: 1. The immediate precursor of gibberellin is the diterpene kaurene 2. The gibberellins are compounds consisting of the ent-gibberellane skeleton or ent-20 norgibberellane 3.The gibberellins are easily inter-convertible in the organism by changes in the hydroxyl substitutions
Correct Answer
(A) 1, 2 and 3 are true