[nilesh]

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Hi buddy here I have come to collect JIPMER MBBS entrance exam Model question paper for this exam preparation , so would you plz provide me same here ??

[prince karak]

As you want here I am giving below JIPMER MBBS entrance exam Model question paper for this exam preparation on your demand :

1. The protein rich alga is:

(a) Ulothrix

(b) Spirogyra

(c) Nostoc

(d) Chlorella

ANS:- d

EXPLANATION:- Chlorella, commonly known as space alga is a protein rich alga, 20% lipids, 20% carbohydrates and a little percentage of vitamin- B2, B12,C, H,K etc.

2. In a full wave rectifier circuit operating from 50Hz mains frequency, the fundamental frequency in the ripple would be

(a) 25 Hz

(b) 75 Hz

(c) 50 Hz

(d) 100hz

Ans:- a

3. The most stable conformation of 1,2-dihydroxyethene is

(a) Anti

(b) Staggered

(c) Gauche

(d) Eclipsed

Ans:- a

4. The escape velocity on the surface of earth is 11.2km/s. what would be the escape velocity on the surface of the another planet of the same mass but ¼ times the radius of the

(a) 22.4 km/s

(b) 67.2 km/s

(c) 44.8 km/s

(d) 89.6 km/s

Ans:- a

5. Floral formula of O+ K5C5A5+5G1- Å is

characteristic of the family:

(a) Papilionaceae

(b) Caesalpinoideae

(c) Cruciferae

(d) Mimosoideae

ANS:- b

EXPLANATION:- The member of sub-family Caesal pinieae have bracteate, zygomorphic, “bisexual, hypogynous, pentamerous flowers with S-sepals (polysepalous) 5-petals (polypeptalous), 5+5 stamens (polyandrous) and monocarpellary, superior ovary with marginal placentation.

6. The amphibians of plant kingdom are:

(a) algae

(b) bryophytes

(c) thallophytes

(d) floating plants

ANS:- b

EXPLANATION:- The bryophytes are terrestrial plants, generally growing in moist and shady places but always need water for fertilization.

7. A pump motor is used to deliver water at a certain rate from a given pipe. To obtain twice as much water from the same pipe at the same time, power of the motor has to be increased to

(a) 16 times

(b) 8 times

(c) 4 times

(d) 2 times

Ans:- d

8. The law of limiting factors for photosynthesis was enunciated by:

(a) R. Hill

(b) Calvin

(c) Krebs

(d) Blackman

ANS:- d

9. Who said that “transpiration is a necessary evil”?

(a) Curtis

(b) Steward

(c) Andersen

(d) J.C. Bose

ANS:- a

10. Weightlessness experienced while orbiting the earth , in spaceships, is the result of

(a) acceleration

(b) inertia

(c) zero graviy

(d) center of gravity

Ans:- a

11. Hydrolysis of sucrose in the presence of an acid is an example of

(a) second order reaction

(b) First order reaction

(c) Fermentation

(d) Pseudo first order reaction

Ans:- d

12. By opening the door of a refrigrator which is inside a room, you can

(a) cool the room to a certain extent

(b) cool it to the temperature inside the refrigerator

(c) ultimately warm the room slightly

(d) neither cool nor warm the room

Ans:- c

13. Biotic factors are:

(a) chemical factors of soil which affect life

(b) physical factors of soil which affect life

(c) all living organisms which influence other organisms

(d) factors of atmosphere which affect life

ANS:- c

EXPLANATION:- Biotic factors include all the living organisms which influence the other organisms.

14. The capacity of a parallel plate capacitor depends on the

(a) type of metal used

(b) thickness of plates

(c) potential applied across the plates

(d) seperation between plates

Ans:- d

15. A thermoelectric refrigerator works on

(a) Joule effect

(b) Seebeck effect

(c) Peltier effect

(d) Thermionic effect

Ans:- c

16. Nitrobenzene gives nitrobenzene and hydrazobenzene when reduced

(a) In acid medium

(b) In neutral medium

(c) Electrolytiaclly

(d) In alkaline medium

Ans:- d

17. The coefficient of mutual inductance, when magnetic flux changes by 0.02 Wb and current changes by 0.01A is

(a) 2 H

(b) 3 H

(c) 4 H

(d) 8 H

Ans: – a

18. Which of the following exhibits a direct proportionality to transpiration?

(a) Light and RH

(b) Temperature and RH

(c) Temperature and wind

(d) RH and wind

ANS:- c

19. Lactic acid is produced by Rhizopus species:

(a) R. oryzae

(b) R. stolonifer

(c) R. nodosus

(d) R. sexualis

ANS:- c

EXPLANATION:- Rhizopus species causing fermentation are: R. nodosus – Lactic acid fermentation.

20. A metal block is expressed to beams of X-rays of different wavelength. X-rays of which wavelength penetrate most?

(a) 0.2 nm

(b) 0.6 nm

(c) 0.4 nm

(d) 0.8 nm

Ans:- a

21. Phenyl magnesium bromide is made to react with ethylene oxide and the product on hydrolysis gives

(a) Ethyl phenyl ether

(b) 2-phenyl ethanol

(c) Methyl phenyl ether

(d) Benzyl alcohol

Ans:- b

22. If the cold junction of thermocouple is lowered then the neutral temperature

(a) increases

(b) approaches inversion temperature

(c) decreases

(d) remains the same

Ans:- d

23. The most important force which pulls water up in tall trees is:

(a) imbibition force

(b) osmotic force

(c) cohesive force

(d) electromagnetic force

ANS:- c

EXPLANATION:- The most important force which pulls water up in the tall trees is the cohesive (inter-molecular) force between H2O molecules.

24. The plant Cuscuta show maximum photosynthesis in:

(a) red light

(b) blue light

(c) green light

(d) no photosynthesis at all

ANS:- d

25. A 50 Kg man with 20 Kg load on his head climbs up 20 steps of 0.25m height each. The work done is climbing is

(a) 5 J

(b) 350 J

(c) 100 J

(d) 3430 J

Ans:- d

26. Bakelite is a copolymer of

(a) Phenol-acetaldehyde

(b) Butadine-ethyalcohol

(c) Phenol-formaldehyde

(d) Butadiene-acrylonitrile

Ans:- c

27. If the cathode rays are projected at the right angles to a magnetic field, their trajectory is

(a) ellipse

(b) circle

(c) parabola

(d) unaltered

Ans:- b

28. Kappa particles indicate:

(a) nuclear inheritance

(b) cytoplasmic inheritance

(c) mutation

(d) nucleo- cytoplasmic inheritance

ANS:- b

EXPLANATION:- Kappa particles are found in Paramecium and possess cytoplasmic inheritance.

29. The incomplete breakdown of sugars in anaerobic respiration results in the formation of:

(a) fructose and water

(b) glucose and CO2

(c) alcohol and CO2

(d) water and CO2

ANS:- c

EXPLANATION:- By figure

30. The relationship and the density of a gas expressed by boyel’s law P=KD holds true

(a) for the any gas under any conditions

(b) For some gases under any conditions

(c) Only if the temperature is kept constant

(d) Only if the density is constant

Ans:- c