mu.ac.in Ph.D Molecular Biology Entrance Test Question Paper : University of Mumbai

Name of the University : University of Mumbai
Name of the Exam : Ph.D Entrance Test
Subject: Molecular Biology
Document Type : Old Question Paper
Year : 2016
Website : https://mu.ac.in/
Download Model Question Paper : https://www.pdfquestion.in/uploads/14041-molecularbio.pdf

Ph.D Molecular Biology Entrance Test Question Paper

1) Sectlon I consists of 40 multiple choice objective type questions (all are compulsory)
2) Attempt any three from Section II.
3) Attempt any two from Section III

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Section I : (40 marks)
Which cytoskeletal fibres are most likely the nuclear lamins :-
(a) microtubules
(b) micro?lament
(0) intermediate filament
(d) actomyosin.

In mammalian cells, centromere DNA is characteristic of—
(a) facultative heterochromatin
(b) constitutive heterochromatin
(c) euchromatin
(d) depressed chromatin.

Which of the following statement about histones is false—
(a) histones are very similar between species
(b) histones have many basic amino acids
(0) histones are rich in arginine and lysine
(d) each histone has one single gene that codes for it.

If 30% nucleotide bases in human DNA is adenine then what is the percentage of guanine bases in human DNA ?
(a) 20%
(b) 30%
(c) 40%
(d) 70%.

Fiibosomes are made up of how many subunits ?
(a) 0(they are whole)
(b) 2
(c) 3
(d)

Fiibosomes are found
(a) only in nucleus
(b) in the cytoplasm
(c) attached to smooth EFi
(d) only in eukaryotic cells.

Terminal chiasmata are characteristics of-
(a) anaphasel
(b) prophasel
(c) prophasell
(d) metaphasel.

Unlike gamete body cells are called as—
(a) somatic cells
(0) sematic cells
(b) semantic cells
(d) synergitic cells.

A monosaccharide without D and L isomer is——-
(a) Fiibose
(b) Deoxyribose
(c) Erythrose
(d) Dihydroxyacetone.

The lipid content of chylomicron is—
(a) 45%
(b) 75%
(c) 90%
(d) 99%

Which of the following is not a basic amino acid—
(a) Lysine
(b) Leucine
(c) Arginine
(d) Histidine.

Different forms of isoenzyme of an enzyme have the same –
(a) amino acid sequence
(b) michaelis constant
(c) catalytic activity
(d) all of the above.

Which of the following is not an aromatic amino acid—
(a) Tyrosine
(b) Tryptophan
(c) Phenylalanine
(d) lsoleucine.

The metal ion present in carboxypeptidase is—
(a) Iron
(b) Magnesium
(c) Zinc
(d) Copper.

The antibodies of the lg G class are”
(a) glycoproteins
(b) lipoproteins
(c) glycolipids
(d) None of the above

The role of kidney in excretory system of mammals is —
(a) To remove salt from the body and to keep water in the body
(b) To remove water from the body and to keep salt in the body
(c) To remove nitrogenous waste from the body and to maintain water level in the body .
(d) To remove water from the body and to maintain levels of nitrogenous sub- stances in the body.

Compare to the charge and mass of a proton, an electron has –
(a) Same charge and a smaller mass
(b) Same charge and same mass
(0) Spposite charge and a smaller mass
(d) Opposite charge and same mass.

A battery consist of which type of cells ?
(a) electrolytic
(b) electrochemical
(c) electroplating
(d) electromagnetic.

Upon losing a proton, a Bronsted acid becomes —
(a) highly reactive
(b) its conjugate acid
(0) its conjugate base
(d) a hydronium ion.

The Gibb’s free energy, AG is negative for—
(a) The exergonic process
(b) endergonic process
(c) temperature dependant process
(d) None of the above.

The unit of current is—
(a) Ohm
(c) Ampere
(b) Watt
(d) None of the above.

Light travels at the fastest speed in—
(a) glass
(b) water
(c) hydrogen
(d) vacuum.

Paper chromatography is an example of—
(a) adsorption chromatography
(b) partition chromatography
(0) ion exchange chromatography
(d) affinity chromatography.

One use of regression line is to determine—
(a) if any X-values are outliers
(b) if change in X causes a change in Y
(c) if any Y-vaiues are outliers
(d) to estimate the change in Y for a one unit change in X.

Name one technique for describing groups on a quantitative variables—
(a) Chi-square
(b) percentage
(0) t-test for proportions
(d) frequency polygon