1446: It has been observed that after-effects of low temperature treatment are helpful in promoting the flowering in certain plants. Through this the vegetative period of plant becomes short and early flowering takes place. This phenomenon is known as
(a) Photoperiodism
(b) Floreignation
(c) Vernalisation
(d) Heliotropism
1447: The below table indicates the performance of India in rice and wheat production from 1950-51 to 1995-96. Which of the following conclusions arrived at from the above table would be valid ?
I. Record production of rice as well as wheat has been in 1994-95.
II. The ratio of wheat to rice production seems to have steadily increased over 16 years.
III. Wheat has not been popular among the Indian population before 1980.
IV. India became self-sufficient in rice and wheat only after 1990.
Select the correct answer using the codes given below :
Codes :
(a) I and II
(b) I, II, III and IV
(c) III and IV
(d) None of the above
1448: The Speaker can ask a member of the House to stop speaking and let another member speak. This phenomenon is known as
(a) decorum
(b) crossing the floor
(c) interpellation
(d) yielding the floor
1449: Which one of the following pairs is not correctly matched?
Unit of Indian Railway :Location
(a) Railway Staff College : Vadodra
(b) Central Organization for Railway Electrification :Varanasi
(c) Wheel and Axle Plant : Bangalore
(d) Rail-coach Factory :Kapurthala
1450: Which of the following features of DNA makes in uniquely suited to store and transmit genetic information from generation to generation ?
(a) Complementarity of the two stands
(b) Double helix
(c) Number of base-pairs per turn
(d) Sugar-phosphate backbone