Question
From a well-shuffled deck of 52 cards, two cards are
drawn one after the other without replacement. What is the probability that the first card is a red ace and the second card is black?Solution
ATQ, Number of red aces in the pack = 2 Number of black cards in the pack = 26 Since 1st  card is not put back. So, the required probability: (2 C1 /52 C1 ) * (26 C1 /51 C1 ) = (2/52) × (26/51) = 1/51
Which statement is not true about aquaporins?
Growth regulator used in hybrid rice seed production programme is
(a)Â Â NAA
(b) GA
(c)Â Â CCC
(d)Â Â ABA
Viral disease transmitted by seed is
The third tier of Panchayat Raj is:
Triticale is a cross between
Which of the scheme is now discontinued, which was providing subsidies for the dairy establishments
The T value (soil loss tolerance) refers to __________for a specific soil.
Darwins’ phototropism experiment and Went’s coleoptile tip experiment are related to which of the following hormone:
Soil layer that is rich in iron oxide and derived from rocks weathering under oxidizing and leaching conditions
Yellow vein mosaic of bhindi is caused by a
