Biotechnology - 2019 Past Year Paper

Question 1

The glycosidic linkages in cellulose and amylose are ________, respectively.

Accepted Answer

β 1-4 and α 1-4

Answer

α 1-4 and β 1-4

Answer

β 1-4 and α 1-6

Answer

α 1-4 and α 1-2

Question 2

A mutation in the operator locus of lac operon that confers constitutive expression of β-galactosidase is ________.

Accepted Answer

cis dominant

Answer

trans dominant

Answer

co-dominant

Answer

dominant negative

Question 3

Which one of the points lies ABOVE the parabola y=2x² and INSIDE the circle x²+y² =4 ?

Accepted Answer

Q

Answer

P

Answer

R

Answer

S

Question 4

Let U= {1, 2, 3, 4, 5.} A subset S is chosen uniformly at random from the non-empty subsets of U. What is the probability that S does NOT have two consecutive elements?

Accepted Answer

12/31

Answer

9/31

Answer

10/31

Answer

11/31

Question 5

Which one of the following figures represents the correct sequence of phases in adult eukaryotic cell cycle?

Accepted Answer

Answer

Answer

Answer

Question 6

At what pH does poly-Glu in an aqueous solution form α-helical structure?

Accepted Answer

3

Answer

7

Answer

9

Answer

12

Question 7

The dimensions of coefficient of viscosity are _______.

Accepted Answer

ML-1T-1

Answer

ML-1T-2

Answer

ML-2T-2

Answer

ML-2T-1

Question 8

Match the entries in Group I with the entries in Group II

Accepted Answer

P-iv, Q-i, R-ii, S-iii

Answer

P-iv, Q-i, R-iii, S-ii

Answer

P-iv, Q-iii, R-ii, S-i

Answer

P-ii, Q-iv, R-i, S-iii

Question 9

The technique that involves impacting samples with electrons is _______.

Accepted Answer

ESI mass spectrometry

Answer

NMR spectroscopy

Answer

IR spectroscopy

Answer

UV-vis spectroscopy

Question 10

The orbital angular momentum of hydrogen atom in the ground state is ________.

Accepted Answer

0

Answer

Answer

Answer

Question 11

Let and Then,

Accepted Answer

is 1

Answer

Answer

is 0

Answer

does not exist

Question 12

In how many ways can one write the elements 1, 2, 3, 4 in a sequence

Accepted Answer

9

Answer

10

Answer

11

Answer

12

Question 13

Simplify <img src="https://cn.edurev.in/ApplicationImages/Temp/e16f3df8-9306-4275-8563-540be9073501_lg.jpg" />

Accepted Answer

2 cosec A

Answer

2 sec A

Answer

sec A

Answer

cosec A

Question 14

The evolution of eyes in octopus and in human is an example of ________.

Accepted Answer

convergent evolution

Answer

divergent evolution

Answer

adaptive radiation

Answer

genetic drift

Question 15

Which one of the following modifications occurs both on DNA and protein?

Accepted Answer

Methylation

Answer

ADP-ribosylation

Answer

Sumoylation

Answer

Ubiquitination

Question 16

Solutions of the following peptides are prepared separately at a concentration of 1 mM. Amongthese four, which one has the highest A₂₈₀?

Accepted Answer

Ser-Val-Trp-Asp-Phe-Gly-Tyr-Trp-Ala

Answer

Gln-Leu-Glu-Phe-Thr-Leu-Asp-Gly-Tyr

Answer

Met-Gly-Val-Ileu-Asp-Ser-Ala-Trp-His

Answer

His-Pro-Gly-Asp-Val-Ileu-Phe-Met-Leu

Question 17

The free energy required to synthesize a mixed anhydride bond of 1,3-bisphosphoglycerate isgenerated by the oxidation of ________.

Accepted Answer

an aldehyde to acid

Answer

an alcohol to acid

Answer

an alcohol to aldehyde

Answer

NADH to NAD+

Question 18

The following reaction is an example of ___________.

Accepted Answer

isomerization

Answer

enolization

Answer

racemization

Answer

epimerization

Question 19

Which one of the following parameters changes upon doubling the enzyme concentration?

Accepted Answer

Vmax

Answer

KM

Answer

kcat

Answer

Keq

Question 20

Which one of the following statements is a correct description of modes of action of taxol andcolchicine?

Accepted Answer

Taxol stabilizes microtubules and colchicine prevents microtubule formation

Answer

Taxol causes DNA damage and colchicine prevents microtubule formation

Answer

Taxol stabilizes microtubules and colchicine inhibits protein synthesis

Answer

Taxol destabilizes microtubules and colchicine promotes microtubule formation

Question 21

In a simple microscope, _______.

Accepted Answer

the focal length of the lens is less than the least distance for clear vision

Answer

a lens with negative power is used

Answer

the focal length of the lens is greater than the least distance for clear vision

Answer

magnification depends only on the focal length of the lens

Question 22

Which one of the following statements is INCORRECT with respect to bacterial conjugation?

Accepted Answer

It requires flagellum

Answer

It facilitates transfer of genetic material

Answer

It can spread antibiotic resistance

Answer

It can transfer virulence factors

Question 23

A particle starting from rest is subjected to a constant force. The plot of distance traveled along thedirection of the force as a function of time is a/an ______.

Accepted Answer

parabola

Answer

straight line

Answer

circle

Answer

ellipse

Question 24

Indole acetic acid (IAA) is involved in ______.

Accepted Answer

gravitropism

Answer

flowering

Answer

ripening

Answer

senescence

Question 25

Which one of the following remains unchanged when light waves enter water from air?

Accepted Answer

Frequency

Answer

Wavelength

Answer

Wavenumber

Answer

Intensity

Question 26

According to the kinetic theory of gases, the average energy of a diatomic molecule in an ideal gasdepends on _______.

Accepted Answer

temperature only

Answer

mass of each atom and the temperature

Answer

mass of each atom and the bond length

Answer

mass of each atom, bond length, and temperature

Question 27

Match the entries in Group I with entries in Group II

Accepted Answer

P-ii, Q-iii, R-i, S-iv

Answer

P-ii, Q-i, R-iii, S-iv

Answer

P-iv, Q-iii, R-i, S-ii

Answer

P-i, Q-iv, R-ii, S-iii

Question 28

pKa increases in the order _______.

Accepted Answer

^{All of these}

Answer

HN₃ > NH₃OH⁺ > N₂H₅⁺ > NH₃

Answer

NH₃OH⁺ > N₂H₅+ > HN₃ > NH₃

Answer

NH₃ > NH₃OH⁺ > N₂H₅⁺ > HN₃

Question 29

H₂ reacts with trans-(Ph₃P)₂Ir(CO)Cl to primarily produce _______.

Accepted Answer

Answer

Answer

Answer

Question 30

Among the following species, the metal center that has the highest number of unpaired electrons is _______.

Accepted Answer

VCl4

Answer

Ni(CO)4

Answer

[AuCl₄]^-

Answer

[CdBr₄]^2-

Biotechnology - 2019 Past Year Paper with solutions Attempt Free MCQ Test

MCQ Practice Test & Solutions: Biotechnology - 2019 Past Year Paper (60 Questions)

The glycosidic linkages in cellulose and amylose are ________, respectively.

A mutation in the operator locus of lac operon that confers constitutive expression of β-galactosidase is ________.

Which one of the points lies ABOVE the parabola y=2x² and INSIDE the circle x²+y² =4 ?

Let U= {1, 2, 3, 4, 5.} A subset S is chosen uniformly at random from the non-empty subsets of U. What is the probability that S does NOT have two consecutive elements?

Which one of the following figures represents the correct sequence of phases in adult eukaryotic cell cycle?

At what pH does poly-Glu in an aqueous solution form α-helical structure?

The dimensions of coefficient of viscosity are _______.

Match the entries in Group I with the entries in Group II

The technique that involves impacting samples with electrons is _______.

The orbital angular momentum of hydrogen atom in the ground state is ________.

Let and Then,

In how many ways can one write the elements 1, 2, 3, 4 in a sequence

Simplify

The evolution of eyes in octopus and in human is an example of ________.

Which one of the following modifications occurs both on DNA and protein?

Solutions of the following peptides are prepared separately at a concentration of 1 mM. Amongthese four, which one has the highest A₂₈₀?

The free energy required to synthesize a mixed anhydride bond of 1,3-bisphosphoglycerate isgenerated by the oxidation of ________.

The following reaction is an example of ___________.

Which one of the following parameters changes upon doubling the enzyme concentration?

Which one of the following statements is a correct description of modes of action of taxol andcolchicine?

In a simple microscope, _______.

Which one of the following statements is INCORRECT with respect to bacterial conjugation?

A particle starting from rest is subjected to a constant force. The plot of distance traveled along thedirection of the force as a function of time is a/an ______.

Indole acetic acid (IAA) is involved in ______.

Which one of the following remains unchanged when light waves enter water from air?

According to the kinetic theory of gases, the average energy of a diatomic molecule in an ideal gasdepends on _______.

Match the entries in Group I with entries in Group II

pKa increases in the order _______.

H₂ reacts with trans-(Ph₃P)₂Ir(CO)Cl to primarily produce _______.

Among the following species, the metal center that has the highest number of unpaired electrons is _______.

IIT JAM Past Year Papers and Model Test Paper (All Branches)

IIT JAM Past Year Papers and Model Test Paper (All Branches)

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About this IIT JAM Practice Test

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Biotechnology - 2019 Past Year Paper with solutions Attempt Free MCQ Test

MCQ Practice Test & Solutions: Biotechnology - 2019 Past Year Paper (60 Questions)

The glycosidic linkages in cellulose and amylose are ________, respectively.

A mutation in the operator locus of lac operon that confers constitutive expression of β-galactosidase is ________.

Which one of the points lies ABOVE the parabola y=2x2 and INSIDE the circle x2+y2 =4 ?

Let U= {1, 2, 3, 4, 5.} A subset S is chosen uniformly at random from the non-empty subsets of U. What is the probability that S does NOT have two consecutive elements?

Which one of the following figures represents the correct sequence of phases in adult eukaryotic cell cycle?

At what pH does poly-Glu in an aqueous solution form α-helical structure?

The dimensions of coefficient of viscosity are _______.

Match the entries in Group I with the entries in Group II

The technique that involves impacting samples with electrons is _______.

The orbital angular momentum of hydrogen atom in the ground state is ________.

Let and Then,

In how many ways can one write the elements 1, 2, 3, 4 in a sequence

Simplify

The evolution of eyes in octopus and in human is an example of ________.

Which one of the following modifications occurs both on DNA and protein?

Solutions of the following peptides are prepared separately at a concentration of 1 mM. Amongthese four, which one has the highest A280?

The free energy required to synthesize a mixed anhydride bond of 1,3-bisphosphoglycerate isgenerated by the oxidation of ________.

The following reaction is an example of ___________.

Which one of the following parameters changes upon doubling the enzyme concentration?

Which one of the following statements is a correct description of modes of action of taxol andcolchicine?

In a simple microscope, _______.

Which one of the following statements is INCORRECT with respect to bacterial conjugation?

A particle starting from rest is subjected to a constant force. The plot of distance traveled along thedirection of the force as a function of time is a/an ______.

Indole acetic acid (IAA) is involved in ______.

Which one of the following remains unchanged when light waves enter water from air?

According to the kinetic theory of gases, the average energy of a diatomic molecule in an ideal gasdepends on _______.

Match the entries in Group I with entries in Group II

pKa increases in the order _______.

H2 reacts with trans-(Ph3P)2Ir(CO)Cl to primarily produce _______.

Among the following species, the metal center that has the highest number of unpaired electrons is _______.

IIT JAM Past Year Papers and Model Test Paper (All Branches)

IIT JAM Past Year Papers and Model Test Paper (All Branches)

Top Courses for IIT JAM

About this IIT JAM Practice Test

Explore more IIT JAM Study Resources

Which one of the points lies ABOVE the parabola y=2x² and INSIDE the circle x²+y² =4 ?

Solutions of the following peptides are prepared separately at a concentration of 1 mM. Amongthese four, which one has the highest A₂₈₀?

H₂ reacts with trans-(Ph₃P)₂Ir(CO)Cl to primarily produce _______.