Biomolecules practice · Mixed difficulty

Vitamin A is also known as:

When glucose reacts with bromine water the main product is

An alkali salt of palmitic acid is known as:

Glucose and cane sugar can be distinguished by:

Which of the following is proteolytic enzyme?

A good example of an unsaturated acid got by the hydrolysis of an oil is:

Glucose gives silver mirror with ammoniacal silver nitrate because it has

Which of the following amino acid is optically inactive?

Hydrolysis of oils and fats gives glycerol and long chain fatty acids containing:

Pick out the one which does not belong to the family

Name the constituents and type of linkage present in $\alpha$-maltose.

The anti-sterility or anti-reproductory vitamin is:

Consider the following statements regarding vitamins.

I. Vitamins are the organic compounds required in small amounts in the diet but their deficiency causes specific disease.

II. Vitamins cannot be synthesised by plant but our body can synthesise them.

III. Vitamins are necessary to perform the specific biological functions for the normal maintenance of optimum growth and health of the organism.

Select the false statement about the vitamins and choose the correct option.

The correct, observation in the following reactions, is
$\mathrm{Sucrose}\xrightarrow[{\mathrm{Cleavage}\,\mathrm{(Hydrolysis)}}]{{\mathrm{Glycosidic}\,\mathrm{bond}}}A + B\xrightarrow[{\mathrm{reagent}}]{{\mathrm{Seliwanoffs}}}$

Which differs from the rest?

If specific rotation of glucose solution is $52^\circ$ and that of fructose solution is $-92^\circ$ then what will be the specific rotation of invert sugar?

The tripeptide hormone present in most living cells is

Consider the following statements.

(i) Nucleic acids are long chain polymers of nucleotides.

(ii) Sugar moiety in DNA molecules is $\beta$-D-ribose whereas in RNA molecules it is $\beta$-D-2-deoxyribose.

(ii) RNA contains four bases viz. adenine (A), guanine (G), cytosine (C) and uracil (U)

(iv) Nucleotide is a nucleoside linked to phosphoric acid at 4-position of sugar moiety.

Which of the following is the correct code for the statements above?

The vitamin that is most readily manufactured in our bodies is:

Raffinose is

Which of the following compounds is responsible for the transmission of heredity characters?

Glucose and fructose can be distinguished by

The hormone thyroxine

Assertion (A): DNA is responsible for maintaining the identity of different species of organisms over millions of years.
Reason (R): DNA molecule is capable of self duplication during cell division and identical DNA strands are transferred to daughter cell.

PUFA's principal role is

The energy change produced by the combustion of foods is called the ‘calorific value’. The best calorific value is given by:

Which one of the following hormones contains iodine?

Assertion (A) Glucose gives reddish brown precipitate with Fehling solution.

Reason (R) Reaction of glucose with Fehling solution gives $\mathrm{CuO}$ and gluconic acid.

is/are a nonreducing sugar.

Cane sugar is made of: