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Study the following statements regardin...

Study the following statements regarding organic farming and select the correct ones
(i) It utilises genetically modified crops like Bt cotton
(ii) It uses only naturally produced inputs like compost and biofertilisers
(iii) It does not use pesticides and urea
(iv) It produces vegetables rich in vitamins and minerals.

A

(A) and (B) only

B

(B), (C) and (D)

C

(C) and (D) only

D

(B) and (C) only

Text Solution

Verified by Experts

The correct Answer is:
D
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Consider the following four statemets (A - D) related to organic farming and select the correct option stating which ones are true (T) and which ones are false (F). The statements: (A) Produces food crops rich in lipids, vitamins and iron (B) Users biofertilisers which increases soil fertility (C ) There is more use of chemical fertilisers and pesticides (D) Raising unpolluted crops throuth the use of bacteria, fungi and cyanobacteria

Study the following statements regarding recombinant DNA technology and select the incorrect ones. (i) Taq polymerase extends the primers using the nucleotides provided in the reaction. (ii) Antibiotic resistance genes are considered as desirable genes in recombinant DNA technology. (iii) DNA fragments are separated according to their charge only, in agarose gel electrophoresis. (iv) Transformation is a procedure through which a piece of DNA is integrated in to the genome of a host bacterium. (v) To produce higher yields of a desired protein, host cells can be multiplied in a continuous culture. (vi) Downstream processing is one of the steps of polymerase chain reaction.

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