Which of the following statement(s) is correct ?
(A). Keratin is an example of fibrous protein.
(B). Fibrous proteins are water-soluble, while globular proteins are water-insoluble.
(C). Polypeptide chains in fibrous proteins run parallel and are held together by hydrogen and disulphide bonds.
(D). Insulin and albumins are common examples of globular proteins.
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Which reagent will distinguish Benzophenone from acetone ?

Osmotic pressure of 0.02 M urea solution at \(27^{\circ} C\), is (given \(R=0.0821 atm L mol ^{-1} K^{-1}\) )

Osmotic pressure of 0.02 M urea solution at \(27^{\circ} C\), is (given \(R=0.0821 atm L mol ^{-1} K^{-1}\) )

Which of the following is incorrect?

Answer the question on the basis of passage given below:
Proteins are the polymers of about twenty different a-amino acids which are linked by peptide bonds. Proteins perform various structural and dynamic functions in the organisms. Proteins which contain only a-amino acids are called simple proteins. The secondary or tertiary structure of proteins get disturbed on change of pH or temperature and they are not able to perform their functions. This is called denaturation of proteins. Enzymes are biocatalysts which speed up the reactions in biosystems. Vitamins are accessory food factors required in the diet. They are classified as fat soluble (A, D, E and K) and water soluble (B group and C). Deficiency of vitamins leads to many diseases. Nucleic acids are the polymers of nucleotides which in turn consist of a base, a pentose sugar and phosphate moiety. Nucleic acids are responsible for the transfer of characters from parents to offsprings. There are two types of nucleic acids DNA and RNA. DNA contains a five carbon sugar molecule called 2-deoxyribose whereas RNA contains ribose.
RNA and DNA differ due to presence/absence of oxygen at which carbon of sugar moiety?

Which of the following compounds are aromatic alcohols?
(A)

(B)

(C)

(D)

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If \(E _{ p }\) and \(E _{ k }\) represents the potential and kinetic energy respectively of an orbital electron, then according to Bohr's theory.

The first \(m\)-year moving average of the data \(10,20,30,40,50\) is 30 . The value of \(m\) is :

The complex \([\text{Co(NH}_3)_4(\text{NO}_2)_2]\text{Cl}\) exhibits :
A. Coordination isomerism
B. Linkage isomerism
C. Solvate isomerism
D. Ionisation isomerism
E. Geometrical isomerism
Choose the correct answer from the options given below :

Choose the correct option, which explains the term alleles.

When a number of capacitors are connected in parallel between two points increases, the equivalent capacitance

If \(\left[\begin{array}{cc}2 a+b & a-2 b \\ 5 c-d & 4 c+3 d\end{array}\right]=\left[\begin{array}{cc}4 & -3 \\ 11 & 24\end{array}\right]\), then the value of \(a+2 b-3 c+4 d\) is equal to