Practice Objective questions set 1 - general science mcq Online Quiz (set-1) For All Competitive Exams
Q-1) Which of the following microorganisms are used as biofertilizer?
(a)
(b)
(c)
(d)
Q-2) Blue-green algae are chiefly used as biofertilizer in the crop of
(a)
(b)
(c)
(d)
Q-3) Blue-green algae is used to supply nitrogen to
(a)
(b)
(c)
(d)
Q-4) Azolla is often used as biofertilizer because it is associated with
(a)
(b)
(c)
(d)
Q-5) Which of the following is a source of biofertilizer?
(a)
(b)
(c)
(d)
Q-6) Which of the following is/are used as biofertilizers?- Azolla
- Blue-green algae
- Alfalfa
Choose the correct answer by the given codes.
(a)
(b)
(c)
(d)
Q-7) Aquatic Fern, which is used as a biofertilizer is
(a)
(b)
(c)
(d)
Q-8) Azolla gives a good biofertilizer when mixed with
(a)
(b)
(c)
(d)
Q-9) 2, 4-D is
(a)
(b)
(c)
(d)
Q-10) The biofertilizer used as a supplemenatry food for the cattle, especially for milking bovinces is
(a)
(b)
(c)
(d)