Improvement in ...

Mycorrhiza is a symbiotic association of

The science of vegetable culture is called

Plants can be made disease – resistant by

Match the following with correct response.
(1) Symbiosis
(2) Cropping pattern
(3) Primary nutrients
(4) Crop season

(A) Rabi
(B) Intercropping
(C) Legume – Rhizobium association B
(D) NPK

Match the following with correct response.
(1) Eutrophication
(2) Crop rotation
(3) Fumigants
(4) Hybridization

(A) Increases fertility of soil
(B) Improves genetic makeup of crop plants
(C) Vapourises and kills insects
(D) Kills aquatic organisms

Weeds are harmful because
(a) They compete for space
(b) They compete for nutrients
(c) They compete for sunlight
(d) They compete for pesticides

Who is the architect of green revolution in India?

Which of the following is a method of weed control?
(a) Pulling out by hand
(b) Crop rotation
(c) Using chemicals
(d) Hybridization

Which is the largest producer of milk in the world?

Sahiwal is