Assistant Research Officer-Chemistry-2019(071/2015)



Category Code: 071/2015

Exam: Assistant Research Officer-Chemistry

Medium of Question: English

Date of Test 23-01-2019

Department Ayurveda Medical Education

Question 1 : The Socio-religious organisation ‘The Prarthana Samaj’ was founded by

1. M.G. Ranade

2. Keshab Chandra Sen

3. Raja Ram Mohan Roy

4. Swami Dayananda Saraswati


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1. M.G. Ranade

Question 2 : Swami Vivekananda attended the Parliament of religious held at Chicago in _________.

1. 1880

2. 1815

3. 1890

4. 1893


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4. 1893

Question 3 : Indian National Congress Annual Session in 1905 held at Benares was presided by

1. Mrs. Annie Besant

2. Pandit B.N. Dhar

3. Gopala Krishna Gokhale

4. R.C. Dutt


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3. Gopala Krishna Gokhale

Question 4 : The Newspapers, Mahratta and Keseri were published by

1. Tilak

2. S. Subramanian Iyer

3. Annie Besant

4. Birendra Ghosh


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1. Tilak

Question 5 : Hindustan Socialist Republican Association (HSRA) was founded under the leadership of _____________

1. Shyamji Krishna Varma

2. Khudiram Bose

3. V.D. Savar

4. Chandra Shekhar Azad


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4. Chandra Shekhar Azad

Question 6 : The Asiatic Society of Bengal was founded by

1. David Hare

2. Sir. William Jones

3. Macaulay

4. Sir. Charles Wood


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2. Sir. William Jones

Question 7 : Jalian Wala Bagh tragedy occurred in

1. 1922

2. 1918

3. 1925

4. 1919


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4. 1919

Question 8 : The Karakoram Mountain range is situated in the state of

1. Rajasthan

2. Gujarat

3. Jammu and Kashmir

4. Orissa


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3. Jammu and Kashmir

Question 9 : Which of the following countries share the largest border length with India?

1. China

2. Bangladesh

3. Nepal

4. Sreelanka


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2. Bangladesh

Question 10 : The famous hill station ‘Kodai Kanal’ lies in ____________.

1. Western Ghats

2. Palani hills

3. Nilgiri hills

4. Cardamom hills


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2. Palani hills


Question 11 : The film “Ayya Vazhi” is based on the life of

1. Ayyankali

2. Kumara Guru

3. Ayya Vaikundar

4. Sree Narayana Guru


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3. Ayya Vaikundar

Question 12 : The book Jathi Kummi was written by

1. Dr. Palpu

2. Mannathu Padmanabhan

3. Pandit Kuruppan

4. Ayya Vaikundar


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3. Pandit Kuruppan

Question 13 : SNDP Yogam was founded in

1. 1903

2. 1905

3. 1915

4. 1935


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1. 1903

Question 14 : The Social reformer Kunjan Pillai is known as

1. Mannathu Padmanabhan

2. Chattampi Swamikal

3. V.T. Bhattathirippad

4. Ayya Vaikundar


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2. Chattampi Swamikal

Question 15 : Who is known as ‘The father of Muslim renaissance?’

1. Chalilkathu Kunjahammad Haji

2. Vaikom Abdul Khadar Moulavi

3. Abdulla Musaliyar

4. Hamadani Tangal


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2. Vaikom Abdul Khadar Moulavi

Question 16 : Who is appointed as the new chairman of ISRO?

1. K. Radhakrishnan

2. G. Madhavan Nair

3. A.S. Kiran Kumar

4. Dr. K. Sivan


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4. Dr. K. Sivan

Question 17 : The film that received the Oscar Academy Award for the best film in 2018?

1. The Shape of Water

2. Get out

3. Call me by your name

4. Darkest hour


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1. The Shape of Water

Question 18 : Which country won Sultan Azlan Shah Cup 2018?

1. England

2. South Korea

3. Argentina

4. Australia


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4. Australia

Question 19 : Who was awarded the Sarswati Samman of 2017?

1. Harivansh Rai Bachan

2. Ramakanta Rath

3. Sitanshu Yashas Chandra

4. Vijay Tendulkar


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3. Sitanshu Yashas Chandra

Question 20 : India-France joined navel exercise is called

1. Varuna Exercise

2. Malabar Exercise

3. Indra

4. Sinbex


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1. Varuna Exercise


Question 21 : How many significant figures are present in the number 0.0025?

1. 5

2. 4

3. 2

4. 6


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3. 2

Question 22 : The expansion of DSC is

1. Differential Scanning Calorimetry

2. Differential Scanning Coulometry

3. Differential Spinning Calorimetry

4. Differential Spinning Coulometry


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1. Differential Scanning Calorimetry

Question 23 : The property measured in TGA is

1. Change in weight

2. Rate of change in weight

3. Heat evolved or absorbed

4. Change in temperature


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1. Change in weight

Question 24 : In Freundlich Adsorption Isotherm the value of 1/n is

1. 1 in case of physical adsorption

2. 1 in case of chemical adsorption

3. Between 0 and 1 in all cases

4. Between 0 and 2 in all cases


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3. Between 0 and 1 in all cases

Question 25 : If `((x)/(m))` is the mass of adsorbate per unit mass of adsorbent. `p` is the pressure of adsorbate gas and `a` and `b` are constants, which of the following represents “Langmuir” adsorption isotherm?

1. `log((x)/(m)) = log((a)/(b)) + (1)/(a)logp`

2. `(x)/(m)=(b)/(a)+(1)/(ap)`

3. `(x)/(m)=(1+bp)/(ap)`

4. `(1)/((x/m))= (b)/(a)+(1)/(ap)`


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4. `(1)/((x/m))= (b)/(a)+(1)/(ap)`

Question 26 : Both NMR and NQR spectra are absent in

1. Microwave

2. Radio frequency

3. X-ray

4. UV-visible


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2. Radio frequency

Question 27 : The molecule which is IR inactive but Raman active is

1. `”N_2″`

2. `”HCl”`

3. `”SO_2″`

4. Protein


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1. `”N_2″`

Question 28 : The ESR of Naphthalene radical anion consists of

1. 15 lines

2. 25 lines

3. 30 lines

4. 40 lines


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2. 25 lines

Question 29 : What is the main factor on which chemical shift depends in Mossbauer spectrum?

1. Electron density

2. Transition energy

3. Intensity of light

4. All of these


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1. Electron density

Question 30 : The confinement in a Quantum wire is

1. 0 D

2. 2 D

3. 1 D

4. 3 D


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2. 2 D


Question 31 : The expansion of ‘SPR’ is

1. Surface Plasmon Resonance

2. Surface Proton Resonance

3. Structural Plasmon Resonance

4. Structural Proton Resonance


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1. Surface Plasmon Resonance

Question 32 : Quantum dots are

1. 1 dimensional

2. 0 dimensional

3. 3 dimensional

4. 2 dimensional


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2. 0 dimensional

Question 33 : Dip-Pen nanolithography works with the help of

1. TEM

2. SEM

3. AFM

4. EDAX


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3. AFM

Question 34 : The chemical bonds of carbon nanotube is composed of

1. `”sp”` bonds

2. `”sp^2″` bonds

3. `”sp^3″` bonds

4. none of these


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2. `”sp^2″` bonds

Question 35 : The polar groups in cation-exchange resins are

1. acidic

2. basic

3. neutral

4. none of these


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1. acidic

Question 36 : In Chromatography `R_f` value

1. `(text {Distance moved by the solute})/(text {Distance moved by the solvent})`

2. `(text {Distance moved by the solvent})/(text {Distance moved by the solute})“ `

3. `(text {Distance moved by the solute})/(text {Distance moved by the solution})`

4. `(text {Distance moved by the solution})/(text {Distance moved by the solute})`


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1. `(text {Distance moved by the solute})/(text {Distance moved by the solvent})`

Question 37 : In which of the following techniques the mobile phase is a gas?

1. HPLC

2. GC

3. TLC

4. Ion-Exchange Chromatography


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2. GC

Question 38 : The shape of weak acid X strong base titration is

1. fig.

2. fig.

3. fig.

4. fig


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1. fig.

Question 39 : The process of recovery of the constituents from the chromatogram is called

1. Dilution

2. Elution

3. Eluent

4. Recoveration


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2. Elution

Question 40 : Iron-sulphur clusters in biological systems are involved in

1. proton transfer

2. atom transfer

3. group transfer

4. electron transfer


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4. electron transfer


Question 41 : The metal present in carbonic anhydrase is

1. Mn

2. Zn

3. Mg

4. Cu


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2. Zn

Question 42 : What is not true about Ferredoxins?

1. Involved in oxidation of “`”{NH_3}”`

2. Generate `”{H_2}”` from acid solution

3. Reduction potential is from 0 to +0.5 V

4. It is Fe-S protein


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3. Reduction potential is from 0 to +0.5 V

Question 43 : Cytochromes acts as

1. Two electron transfer agents

2. One electron transfer agents

3. Multi electron transfer agents

4. None of these


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2. One electron transfer agents

Question 44 : Nitrogenase contains

1. Fe, Mo

2. Mg, Fe

3. Fe, Zn

4. Fe, Cu


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1. Fe, Mo

Question 45 : fig. is an example for

1. Crown ether

2. Calixarenes

3. Catenene

4. Rotaxanes


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1. Crown ether

Question 46 : The interior of β-cyclodextrin is

1. hydrophobic

2. hydrophilic

3. hydrophobic and hydrophilic

4. none of these


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2. hydrophilic

Question 47 : γ-cyclodextrin (γ-CD) contains

1. eight glucose units

2. seven glucose units

3. six glucose units

4. five glucose units


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1. eight glucose units

Question 48 : Calixarenes are synthetic compounds which are made by cyclooligomerization of

1. Amines

2. Phenols

3. Ketones

4. Amides


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2. Phenols

Question 49 : Macromolecules which are made up of two or more rings held together as links in a chain are called

1. Catenanes

2. Rotaxanes

3. Cyclodextrins

4. Calixarenes


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2. Rotaxanes

Question 50 : fig

1. Chemoselective

2. Regioselective

3. Enantioselective

4. Diastereoselective


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1. Chemoselective


Question 51 : ‘Zeolites’ is a broad term used to describe a family of minerals called

1. Trisilicates

2. Pentasilicates

3. Tetrasilicates

4. Tectosilicates


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4. Tectosilicates

Question 52 : “Clayan” is a non-metallic oxidative green reagent composed of

1. Clay Supported Ammonium Nitrate

2. Clay Supported Aluminium Nitrate

3. Clay Supported Ammonium Nitrite

4. Clay Supported Aluminium Nitrite


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1. Clay Supported Ammonium Nitrate

Question 53 : The phosphorescence is due to the transition from

1. Singlet → Singlet

2. Singlet → Triplet

3. Triplet → Singlet

4. Triplet → Triplet


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3. Triplet → Singlet

Question 54 : The quantum yield of photochemical chlorination of methane is

1. < 1

2. 1

3. > 1

4. 0


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3. > 1

Question 55 : The potential for a hydrogen electrode of pH = 10 is ____________.

1. 0.00 V

2. 0.591 V

3. +0.0591 V

4. -0.0591 V


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4. -0.0591 V

Question 56 : Titration curve if a strong base is titrated with strong acid

1. fig

2. fig

3. fig

4. fig


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3. fig

Question 57 : Saturated solution if `”KNO_3″` is used to make ‘Salt bridge’ becomes

1. Velocity of `”K^+”` is greater than that of `”NO^-_3″`

2. Velocity of `”NO^-_3″` is greater than that of `”K^+”`

3. Velocity of `”K^+”` and `”NO^-_3″` are nearly the same“

4. `”KNO_3″` is highly soluble in water


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3. Velocity of `”K^+”` and `”NO^-_3″` are nearly the same“

Question 58 : Which of the following decreases with increase in concentration?

1. Conductance

2. Specific conductance

3. Equivalent conductance

4. Molar conductance


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2. Specific conductance

Question 59 : Phosphofructokinase 2, a bifunctional enzyme can regulate glycolytic pathway. Which of the following statement is correct regarding this enzyme? I. Kinase activity is active in their phosphorylated form, II. Kinase activity is active in their dephosphorylated form ,III. Phosphatase activity is active in their phosphorylated form ,IV. Phosphatase activity is active in their dephosphorylated form

1. I & III

2. I & IV

3. II & III

4. II & IV


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3. II & III

Question 60 : Aspartate transcabamoylase is an example of allosteric enzyme and it contains 6 regulatory and 6 catalytic subunits. Which of the following is correct about his enzyme? I. ATP is an allosteric activator of this enzyme II. ATP is an allosteric inhibitor of this enzyme,III. The subunit composition of ATCase is `”3C_22R_3″` ,IV. The subunit composition of ATCase is `”2C_33R_2″`

1. I and III

2. I and IV

3. II and III

4. II and IV


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2. I and IV


Question 61 : Gluconeogenesis pathway can produce glucose from noncarbohydrate precursors. This pathway occurs in which of the following sub cellular compartment/s?

1. Cytosol

2. Cytosol and mitochondria

3. Cytosol and endoplasmic reticulum

4. Cytosol, mitochondria and endoplasmic reticulum


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4. Cytosol, mitochondria and endoplasmic reticulum

Question 62 : Thymidylate synthase catalyse the conversion of dUMP to dTMP, which of the following donate the methyl group?

1. Methyl THF

2. Methylene THF

3. Formyl THF

4. SAM


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2. Methylene THF

Question 63 : Suppose the number of carbon rings in an `”F_0/F_1″` ATP synthase is 12. Then the value of P/O ratio for NADH, `”H^+”` and `”FADH_2″` respectively are

1. 2 and 1.2

2. 2.5 and 1.5

3. 3 and 2

4. 1.5 and 2.5


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1. 2 and 1.2

Question 64 : Beta oxidation of a 20C saturated fatty acid to `”CO_2″` generate which of the following number of reductants?

1. 8 NADH, `”H^+”` and 8 `”FADH_2″`

2. 9 NADH, `”H^+”` and 9 `”FADH_2″`

3. 10 NADH, `”H^+”` and 10 `”FADH_2″`

4. 7 NADH, `”H^+”` and 7 `”FADH_2″`


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2. 9 NADH, `”H^+”` and 9 `”FADH_2″`

Question 65 : Mixed inhibition and non-competitive inhibition are of two types of reversible inhibition. Which of the following is correct related to these inhibitions?

1. In both mixed inhibition and non-competitive inhibition `”V_m_a_x”` decreases and Km increases

2. In mixed inhibition `”V_m_a_x”` decreases and Km increases, in non-competitive inhibition `”V_m_a_x”` decreases and Km unchanged

3. In both mixed inhibition and non-competitive inhibition `”V_m_a_x”` and Km decreases

4. In mixed inhibition `”V_m_a_x”` decreases and Km decreases, in non-competitive inhibition `”V_m_a_x”` decreases and Km increases


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2. In mixed inhibition `”V_m_a_x”` decreases and Km increases, in non-competitive inhibition `”V_m_a_x”` decreases and Km unchanged

Question 66 : Which of the following RNA molecule is NOT a ribozyme?

1. 28S rRNA

2. 5S rRNA

3. RNA part of RNase P

4. Hammer head RNA


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2. 5S rRNA

Question 67 : Carbonic anhydrase enzyme catalyse the production of carbonic acid from water and `”CO_2″` . Which of the following is correct related to this enzyme?

1. Carbonic anhydrase decreases the `”pK_a”` value of water

2. Carbonic anhydrase increases the `”pK_a”` value of water

3. `”K^+”` is the cofactor of carbonic anhydrase

4. `”Ca^2^+”` is the cofactor of carbonic anhydrase


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1. Carbonic anhydrase decreases the `”pK_a”` value of water

Question 68 : Which of the following is the ratio of phospholipid : sphingomyelin : cholesterol in a normal eukaryotic cell plasma membrane?

1. 1:1:1

2. 1.5:0.5:1

3. 0.5:1.5:1

4. 1:0.5:1.5


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2. 1.5:0.5:1

Question 69 : The absorption of ultraviolet (UV) light (the absorbance at 280 nm) is often used as a measure of protein concentration. The R-groups of which amino acids contribute most to absorption of 280 nm light?

1. Ser, Thr, Cys

2. Lys, Arg, His

3. Trp, Tyr, Phe

4. Ser, Ala, Glu


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3. Trp, Tyr, Phe

Question 70 : In a eukaryotic cell plasma membrane, different phospholipid preferentially localized to either cytosolic side or exoplasmic side. Which of the following is the correct orientation of phospholipids like phosphatidyl choline and phosphatidyl

1. Both are cytosolic

2. Both are exoplasmic

3. Phosphatidyl choline is localized to cytosolic and phosphatidyl inositol is localized to exoplasmic

4. Phosphatidyl inositol is localized to cytosolic and phosphatidyl choline is localized to exoplasmic


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4. Phosphatidyl inositol is localized to cytosolic and phosphatidyl choline is localized to exoplasmic


Question 71 : Which of the following cyclin is responsible to activate CDK4 and CDK6 to pass the cell cycle from G1 phase?

1. Cyclin A

2. Cyclin B

3. Cyclin D

4. Cyclin E


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3. Cyclin D

Question 72 : Which of the following transposons is an example of non autonomous transposon?

1. Ac elements in maize

2. Ds elements in maize

3. P elements in drosophila

4. IS elements in bacteria


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2. Ds elements in maize

Question 73 : `”Na^+/K^+”` pump utilize ATP hydrolysis to pump `3″Na^+”` to the extracellular side and 2 `”K^+”` to the intracellular side and generate an electric potential to the cell. This pump belong to

1. F type pump

2. V type pump

3. P type pump

4. ABC type pump


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3. P type pump

Question 74 : Which monomeric G proteins are involved in the formation of filopodium, lamellipodium and stress fibers?

1. Filopodium – cdc42, Lamellipodium – Rac, Stress fibers – Rho

2. Filopodium – Rac, Lamellipodium – cdc42, Stress fibers – Rho

3. Filopodium – Rho, Lamellipodium – Rac, Stress fibers – cdc42

4. None of the above


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1. Filopodium – cdc42, Lamellipodium – Rac, Stress fibers – Rho

Question 75 : Apoptosis (programmed cell death) executed by the action of caspase enzyme in intrinsic and extrinsic pathway of apoptosis. Which of the following caspase is involved in intrinsic pathway of apoptosis?

1. Proteolytic cleavage of procaspase to caspase 9

2. Dimerisation of procaspase to caspase 9

3. Proteolytic cleavage of procaspase to caspase 8

4. Dimerisation of procaspase to caspase 8


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2. Dimerisation of procaspase to caspase 9

Question 76 : Which of the following ligand and receptor correctly matches? A. Epinephrine-(i) HER (RTK) : B. EGF-(ii)Frizzled : C. Bacteria – (iii) GPCR : D. Wnt- (iv) TLR

1. A – iii, B – i, C – iv, D – ii

2. A – ii, B – iii, C – iv, D – i

3. A – iii, B – iv, C – i, D – ii

4. A – iv, B – i, C – iii, D – ii


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1. A – iii, B – i, C – iv, D – ii

Question 77 : Replication in both prokaryotes and eukaryotes occur only in 5′ → 3′ direction. Which of the following reason for that?

1. Primer addition is not possible

2. Okazaki fragments not possible

3. Leading strand synthesis is not possible

4. Proofreading is not possible


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4. Proofreading is not possible

Question 78 : Which of the following protein are involved in the development of dorsal side of the embryo?

1. Decapentaplegic and tolloid

2. Dorsal and fgf 8

3. Bicoid and hunchback

4. Nanos and Caudal


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1. Decapentaplegic and tolloid

Question 79 : Which of the following photosystem locate in the appressed (stalked) portion of thylakoid membrane?

1. Photosystem I

2. Photosystem II

3. Cyt bf complex

4. Light harvesting complex I


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2. Photosystem II

Question 80 : Which of the following RNA polymerase is involved in the synthesis of RNA part of `”U_6″` spliceosome?

1. RNA polymerase I

2. RNA polymerase II

3. RNA polymerase III

4. RNA polymerase IV


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3. RNA polymerase III


Question 81 : Plant secondary metabolite flavonoids are derived from the amino acid phenylalanine. Which of the following is the precursor of flvaonoids synthesizing pathway?

1. Chorismate

2. Enol pyruvate shikimate pathway

3. Prephenate

4. Chalcone


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4. Chalcone

Question 82 : Which of the following amino acid use a single codon for the translation of proteins in humans?

1. Alanine

2. Histidine

3. Valine

4. Tryptophan


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4. Tryptophan

Question 83 : Which of the following secondary metabolite is used as an anticancer drug derived from the bark of Yew trees?

1. Camptothecin

2. Taxol

3. Cochicine

4. Vincristine


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2. Taxol

Question 84 : Which of the following plant hormone is responsible for the formation of quiescent centre in root apical meristem?

1. Auxin

2. Cytokinin

3. Gibberlin

4. Ethylene


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1. Auxin

Question 85 : Which of the following operon use its regulatory gene product as a transcriptional activator and repressor?

1. Lac operon

2. Galactose operon

3. Arabinose operon

4. Tryptophan operon


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3. Arabinose operon

Question 86 : Which of the following compound is elevated in response to plant experience a water stress?

1. Myoinositol

2. Galactinol

3. Raffinose

4. Proline betaine


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4. Proline betaine

Question 87 : Which of the following repair system use blue light energy to correct the errors?

1. Direct repair

2. Nucleotide excision repair

3. Mismatch repair

4. Recombination repair


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1. Direct repair

Question 88 : Glycoproteins

1. contain oligosaccharides linked to the side chain of lysine or histidine residues

2. contain oligosaccharides linked to the side chain of asparagine, serine, or threonine residues

3. bind to liver cell-surface receptors that recognize sialic acid residues

4. are mostly cytoplasmic proteins


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2. contain oligosaccharides linked to the side chain of asparagine, serine, or threonine residues

Question 89 : Which of the following is an example of a restriction site that shows two-fold rotational symmetry?

1. ATTA

2. ATAATA

3. ATAT

4. ATTTTA


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3. ATAT

Question 90 : A deficiency in which of the following amino acids will result in the negative nitrogen balance, even though the

1. Alanine

2. Serine

3. Glutamate

4. Tryptophan


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4. Tryptophan


Question 91 : Which of the following binding interactions is likely to be the most important initial interaction when a drug

1. Van der Waals interactions

2. Hydrogen bond

3. Ionic

4. Induced dipole-dipole interactions


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3. Ionic

Question 92 : During photosynthesis, which of the followings acts as a reservoir for hydrogen ions?

1. Cristae

2. Stroma

3. Thylakoid space

4. Matrix


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3. Thylakoid space

Question 93 : Maple syrup urine disease is a deficiency of which amino acid degradative pathway?

1. Tyrosine

2. Leucine

3. Tryptophan

4. Arginine


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2. Leucine

Question 94 : The light microscope that is often used to view internal structures of living cells without staining is

1. Dark-field microscope

2. Bright-field microscope

3. Fluorescence microscope

4. Phase-contrast microscope


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4. Phase-contrast microscope

Question 95 : You wish to prepare a 10 μM solution of a protein of molecular weight 10,000. Which of the following statement is most incorrect?

1. Weigh out 10 mg and dissolve it in 100 ml of solution

2. Weigh out 0.1 g and dissolve it in 1 litre of solution

3. Weigh out mg and dissolve it in 5 ml solution, then dilute this solution tenfold

4. Weigh out 0.02 g and dissolve it in 20 ml of solution, then dilute this solution 2 fold


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4. Weigh out 0.02 g and dissolve it in 20 ml of solution, then dilute this solution 2 fold

Question 96 : Which of the following medium is used to select the heterokaryon hybridoma cell in hybridoma technology?

1. Hydroxy urea, aminopterine, thymidine

2. Hypoxanthine, acetaminophen, thymidine

3. Hypoxanthine, aminopterine, thiourea

4. Hypoxanthine, aminopterine, thymidine


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4. Hypoxanthine, aminopterine, thymidine

Question 97 : An example of inactivated exotoxin

1. Cholera vaccine

2. Rabies vaccine

3. Hepatitis B vaccine

4. Rubella vaccine


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3. Hepatitis B vaccine

Question 98 : Polyacrylamide and agarose gel electrophoresis separate nucleic acids based primarily on their

1. Length

2. Ratio of mass/charge

3. (G+C)/(A+T) content

4. Organismal origin


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1. Length



Question Paper Code: 68/2018/OL

Category Code: 071/2015

Exam: Assistant Research Officer-Chemistry

Medium of Question: English

Date of Test 23-01-2019

Department Ayurveda Medical Education

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