A) a nitrogenous base, deoxyribose sugar and phosphate group
B) a nitrogenous base, ribose sugar and phosphate group
C) deoxyribose sugar, ribose sugar and phosphate group
D) a nitrogenous base and phosphate group only
A) a nitrogenous base, deoxyribose sugar and phosphate group
B) a nitrogenous base, ribose sugar and phosphate group
C) deoxyribose sugar, ribose sugar and phosphate group
D) a nitrogenous base and phosphate group only
Answer & ExplanationAnswer: A) a nitrogenous base, deoxyribose sugar and phosphate group
Explanation:
The two DNA strands are called polynucleotidesbecause they are composed of simpler monomer units called nucleotides. Eachnucleotideis composed of one of four nitrogen-containingnucleobases (cytosine, guanine, adenine or thymine), a sugar called deoxyribose, and a phosphate group.
Which one of the following is not a correct ascending order of commissioned ranks in the defence forces of India?
A) Lieutenant, Captain, Major,Lieutenant Colonel, Colonel,Brigadier, Major General,Lieutenant General, General
B) Flying Officer, Flight Lieutenant,Squadron Leader, Wing Commander, Group Captain, Air Commodore, Air Vice Marshal,Air Marshal, Air Chief Marshal
C) Flying Officer, Flight Lieutenant,Squadron Leader, Group Captain,Wing Commander, Air Commodore,Air Vice Marshal, Air Marshal, Air Chief Marshal
D) Sub Lieutenant, Lieutenant,Lieutenant Commander,Commander, Captain, Commodore,Rear Admiral, Vice Admiral,Admiral
A) Lieutenant, Captain, Major,Lieutenant Colonel, Colonel,Brigadier, Major General,Lieutenant General, General
B) Flying Officer, Flight Lieutenant,Squadron Leader, Wing Commander, Group Captain, Air Commodore, Air Vice Marshal,Air Marshal, Air Chief Marshal
C) Flying Officer, Flight Lieutenant,Squadron Leader, Group Captain,Wing Commander, Air Commodore,Air Vice Marshal, Air Marshal, Air Chief Marshal
D) Sub Lieutenant, Lieutenant,Lieutenant Commander,Commander, Captain, Commodore,Rear Admiral, Vice Admiral,Admiral
Answer & ExplanationAnswer: C) Flying Officer, Flight Lieutenant,Squadron Leader, Group Captain,Wing Commander, Air Commodore,Air Vice Marshal, Air Marshal, Air Chief Marshal
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