1.

Name three improved characteristics of wheat that helped India to achieve high productivity.

Answer»

Solution :AIDS is not transitted by touch or any physical contact. HIV is generally transmitted by
(a) Sexual contact with infected person.
(B) Use of contaminated or infected blood or blood products, needles or syringes.
(c ) By the use of contaiminated needles or syringes.
(d) From infected mother to her CHILD through placenta.
(ii) (a) HIGH yielding (b) Semi - dwarf (c ) Fertilizer responsive


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