Plant Anatomy And Physiology - Study Mode
[#546] The phenomenon in which different plant parts like stem, fruit-stalks, valves of fruits, bracts etc, are closely curled towards one another when dry but open apart when moistened is known as
Correct Answer
(A) Hygrochasy
[#547] In which of the following plants the synergids become egg like and may be fertilized by sperms from an additional pollen tube?
Correct Answer
(D) Sagittaria graminea
[#548] Due to low temperature and high rainfall the organic matter content of the soil increases at higher altitudes, with
Correct Answer
(C) An increase in soil nitrogen and a decrease in its P H values
[#549] Which of the following plants show shoot senescence?
Correct Answer
(A) Dock, Neetle, Banana
[#550] Which of the following parts of an embryo sac, after fertilization, forms perisperm of seed?
Correct Answer
(C) Nucellus