2681: Consider the following organisms:
1. Agaricus
2. Nostoc
3. spirogyra
Which of the above is/are used as biofertilizer/biofertilizers?
(a) 1 and 2
(b) 2 only
(c) 2 and 3
(d) 3 only
2682: Assertion (A) :
Phenyl is used as a household germicide.
Reason (R):
Phenyl is a phenol derivative and phenol is an effective germicide.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
2683: The Barrah dacoity was the first major venture of the revolutionary terrorist of the freedom movement in
(a) Bombay-Karnataka
(b) Punjab
(c) East Bengal
(d) The Madras Presidency
2684: What is the number of spokes in the Dharmachakra in the National Flag of India?
(a) 24
(b) 16
(c) 18
(d) 22
2685: Consider the following names:
1. Ike
2. Kate
3. Gustav
Which of the above are the names of hurricanes that had occurred very recently?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3