476: With which one of the following has the B. K. Chaturvedi Committee dealt?
(a) Review of Centres-States relations
(b) Review of Delimitation Act
(c) Tax reforms and measures to increase revenues
(d) Price-reforms in the oil sector
477: What is Cas9 protein that is often mentioned in news?
(a) A molecular scissors used in targeted gene editing
(b) A biosensor used in the accurate detection of pathogens in patients
(c) A gene that makes plants pest-resistant
(d) A herbicidal substance synthesized in genetically modified crops
478: When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour ?
(a) Abundance of magnesium
(b) Abundance of phosphates
(c) Presence of ferric-oxides
(d) Accumulated humus
479: Assertion
Great Britain gave India her independence on August 15, 1947.
Reason :
Great Britain became weak after her involvement in World War II.
(a) both A and R are true but R is not the reason for A
(b) both A and R are true but R is the reason for A
(c) neither A nor R is correct
(d) A is correct but R is wrong
480: Farm land tends to erode most rapidly when planted with
(a) sorghum
(b) potato
(c) wheat
(d) clover