CAT Questions

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DNA is not a single stranded and does not have amino acids. Hence options, b & C are eiminated. Dna is a double helix structure containing nucleobase—either cytosine (C), guanine (G), adenine (A), or thymine (T)—as well as a monosaccharide sugar called deoxyribose and a phosphate group. 

As per the decision of the GST Council, e-Way Bill system has been rolled out from 1st of April this year (2018).

The chemical name of common salt is Sodium Chloride with a chemical formula NaCl.

Yes, Every integer is a rational number.  A rational number is a number which can be expressed as a ratio of two integers numerator and denominator where (the denominator not being 0 ).

Hence, Every integer can be expressed in ratio of two integers. 

The purines are bases in the DNA. The two purines in DNA are Adenine and Guanine. These two purines forms hydrogen bonds with their complimentary pyrimidines such as Thymine and Cytosine to keep the two rails of the DNA molecule together.

Cerebrum is the largest region of the brain.