The correct statement about 4 f-series elements is:

Haloalkanes can be represented by the formula

Match List - I with List - II.

List - I (Process)	List - II (Metal)
A. Electrolytic reduction	I. Iron
B. Bessemerization	II. Zinc
C. Smelting	III. Aluminium
D. Reduction from oxide	IV. Copper

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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.
Which of the following is an essential amino acid?

If we plot graph for first order reaction involving reactant \(R\), then it will be a straight line if plotted for :

Match List I with List II

\multicolumn1|c|\(LIST\)\(I\)	\multicolumn1|c|\( LIST\)\(II\)
A. \(Cu\)	I. \(+ 3\)
B. \(Sc\)	II. \(+ 7\)
C. \(Mn\)	III. \(+ 2\)
D.\(Fe\)	IV. \(+ 1\)

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Which of the following statement is false?

The stationary point of \(f(x)=\sin ^4 x+\cos ^4 x, x \in\left(0, \frac{\pi}{2}\right)\) is given by:

\(\int \frac{(x-3) e^x}{(x-1)^3} d x\) is equal to

A person wishes to purchase a house for ₹ \(39,65,000\) with a down payment of ₹ \(5,00,000\) and balance in equal monthly installments (EMI) for 25 years.
If bank charges \(6 \%\) per annum compounded monthly, then EMI on reducing balance payment method is:
[Given \((1.005)^{300}=4.465\) ]

Match List I with List II

List I	List ll
(A) Maize	(I) Perisperm
(B) Black Pepper	(II) False fruit
(C) Ground Nut	(III) Albuminous seed
(D) Strawberry	(IV) Ex-albuminous seed

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Cr is reducing but Mn is oxidising in nature although both have \(\text{d}^1\) configuration. It is due to the reason that Cr configuration changes from

There are four particles A, B, C and D with the same mass and equal kinetic energy K. If the kinetic energy of particle A becomes 4 K, B becomes 9 K, C becomes 64 K and D becomes 16 K times, respectively, the fractional change in the de Broglie wavelength of the particles arranged in increasing order is