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Prep Guru 4 CFTRI, Mysore (2026)

01/05/2023

ANSWERS FOR 28/04/2023

MENTAL ABILITY
1) c
2) a
3) d
4) b
5) b

FOOD ENGINEERING
1) a
2) b
3) a
4) b
5) b

AGRICULTURE
1) d
2) b
3) d
4) b
5) b

DAIRY TECHNOLOGY
1) b
2) c
3) d
4) a
5) c

ALL THE BEST
REGARDS
TEAM PREPGURU

28/04/2023

QUESTIONS 28/04/2023

MENTAL ABILITY
1) Which of the following is related to „Melody‟ in the same way as „Delicious‟ is related to „Taste‟?
(a) Memory
(b) Highness
(c) Voice
(d) Speak

2) In a certain way 'Diploma' is related to „Education‟. Which of the following is related to „Trophy‟ in a similar way?
(a) Sports
(b) Athlete
(c) Winning
(d) Prize

3) „Clock‟ is related to „Time‟ in the same way as „Vehicle‟ is related to which of the following?
(a) Driver
(b) Road
(c) Passenger
(d) Journey

4) Import: Export:: Expenditure : ?
a) Deficit
b) Income
c) Debt
d) Tax

5) Ocean: Water:: Glacier : ?
a) Refrigerator
b) Ice
c) Mountain
d) Cave

FOOD ENGINEERING
1.Bernoulli’s equation is related to
a) Conversion of energy.
b) Conversion of momentum.
c) Conversion of mass.
d) None.

2. In a pipe of varing diameter the fluid is having
a) Maximum pressure and maximum velocity
b) Maximum pressure and minimum velocity
c) Minimum pressure and maximum velocity
d) No effect on fluid pressure and velocity.

3. Heat transfer is:
a) Directly proportional to temp. diff
b) Directly proportional to thickness
c) inversely proportional to area
d) All of the above

4.Which of the following is dimensionless quantity
a) stress
b) strain
c) momentum
d) Force

5. Unit of specific heat is
a) k
b) J / Kgk
c) Kg / k
d) J Kg / k

AGRICULTURE
1.Clouds which causes summer rainfall ,in the middle or lower level developing thundercloud and hail,
a)Cumulus
b)Cirrus
c)Nimbostratus
d)Cumulonimbus

2.Organic matter contains _ percentage of organic carbon,
a)48
b)58
c)50
d)1.724

3.Grey speck of oat is due to deficiency of
a)Mg
b)Mo
c)Fe
d)Mn

4.The pest which is a result feature and confined to a particular locality,
a)Sporadic
b)Endemic
c)Epidemic
d)Seasonal

5.Cotton Leaf curl virus is transmitted by
a)leaf hopper
b)whitefly
c)Aphid
d)Jassid

DAIRY TECHNOLOGY
1. What is the minimum fat percentage in buffalo milk as per FSSAI 2021?
a. 6%
b. 5%
c. 8%
d. 7%

2. The most commercially important component of milk is?
a. Protein
b. Carbohydrate
c. Fat
d. Water

3. Which of the following is a viral disease in cattles?
a. Mastitis
b. Coccidiosis
c. Brucellosis
d. Rinderpest

4. The factor which does not affect clean milk production is
a. Personnel social background
b. Cleanliness of surroundings
c. Animal hygiene
d. Ventilation and lighting in shed

5. Which of the following is a whey protein?
a. Glutamate
b. Orthamine
c. Immunoglobulin
d. k-casein

ALL THE BEST
REGARDS
TEAM PREPGURU

28/04/2023

ANSWERS FOR 26/04/2023

BIOCHEMISTRY
1) d
2) a
3) a
4) b
5) b

MICROBIOLOGY
1) b
2) b
3) a
4) b
5) a

FOOD CHEMISTRY
1) b
2) c
3) c
4) a
5) d

GENERAL APTITUDE
1) b
2) c
3) c
4) b
5) b

ALL THE BEST
REGARDS
TEAM PREPGURU

26/04/2023

QUESTIONS FOR 26/04/2023

BIOCHEMISTRY
1. Which of the following is an imino acid?
a) Serine
b) Alanine
c) Glycine
d) Proline

2. Which of the following statements is correct about column chromatography?
a) Resolution improves as column length increases
b) Mobile phase is a porous solid material kept in the column with appropriate chemical characteristics
c) Stationary phase is a buffered solution that percolates through the mobile phase
d) Large proteins exit the column faster than tiny protein

3. Who deduced the double-helical structure of DNA?
a) Watson and Francis Crick
b) Frederick Sanger
c) Anton van Leeuwenhoek
d) Mendel

4. Identify the amino acids containing nonpolar, aliphatic R groups.
a) Phenylalanine, tyrosine, and tryptophan
b) Glycine, alanine, leucine
c) Lysine, arginine, histidine
d) Serine, threonine, cysteine

5. If pK1 = 2.34 and pK2 = 9.60, then the isoelectric point pI is?
a) 5.87
b) 5.97
c) 3.67
d) 11.94

MICROBIOLOGY

1) Who was the first person to observe microorganisms through a microscope?
a) Robert Hooke
b) Antonie van Leeuwenhoek
c) Louis Pasteur
d) Joseph Lister

2) What is the process by which bacteria convert atmospheric nitrogen into a usable form?
a) Nitrification
b) Nitrogen fixation
c) Denitrification
d) Nitrogen assimilation

3) Who developed the first vaccine for smallpox using cowpox virus?
a) Edward Jenner
b) Louis Pasteur
c) Robert Koch
d) Alexander Fleming

4) What is the name of the technique developed by Koch to grow bacteria on a solid medium?
a) Culture media
b) Streak plate method
c) Agarose gel electrophoresis
d) PCR amplification

5) Who discovered penicillin, the first antibiotic?
a) Alexander Fleming
b) Louis Pasteur
c) Robert Koch

FOOD CHEMISTRY
1 .What is the main macronutrient found in rice, bread, and pasta?
A. Protein
B. Carbohydrates
C. Fat
D. Vitamins

2 .Which of the following minerals is important for building strong bones and teeth?
A. Iron
B. Zinc
C. Calcium
D. Sodium

3 .What is the definition of water activity in food science?
A. The amount of water present in a food sample
B. The ability of microorganisms to grow in a food sample
C. The ratio of v***r pressure of water in a food sample to the v***r pressure of pure water at the same temperature
D. The pH level of a food sample

4 .What is the primary function of carbohydrates in the body?
A. To provide energy
B. To build and repair tissues
C. To regulate metabolic processes
D. To store vitamins and minerals

5 .Which of the following is a monosaccharide?
A. Starch
B. Sucrose
C. Lactose
D. Glucose

GENERAL APTITUDE
1 .What are the sustainable development goals?
A. A set of international targets for reducing poverty and improving global health
B. A series of guidelines for promoting sustainable development and reducing environmental impact
C. A framework for advancing economic growth and reducing income inequality worldwide
D. A set of principles for promoting social justice and reducing discrimination and inequality

2 .As per the Economic Survey 2020-21, consider the following statements with respect to the Regional Distribution of Agricultural Credit in India:
1. Southern region shows the highest share in total agricultural credit.
2. North-Eastern region (NER) shows the lowest share in agricultural credit due to low cultivable area.
Which of the statements given above is/are correct?
1 only
2 only
Both 1 and 2
Neither 1 nor 2

3 .What is the application of machine learning methods to a large database called?
A. Big data computing
B. Internet of things
C. Data mining
D.Artificial intelligence

4 .Which of the following machine learning algorithm is based upon the idea of bagging?
A. Decision tree
B. Random-forest
C. Classification
D. Regression

5 . A potential new vaccine is in the developmental phase which could be the preventive or therapeutic vaccine against HIV.
Name the vaccine which is in the first phase of the developmental process.
a) Recombinant Na-GST-1
b) Recombinant gp120
c) Marburg DNA plasmid
d) Live attenuated HIV

ALL THE BEST
REGARDS
TEAM PREPGURU

26/04/2023

ANSWERS FOR 24/04/2023

PHYSICS
1. c)
2. c)
3. d)
4. a)
5. d)

CHEMISTRY
1) c
2) d
3) a
4) c
5) d

MATHEMATICS
1) c
2) c
3) a
4) b
5) a

BIOLOGY
1. d
2. a
3. d
4. b
5. d

ALL THE BEST
REGARDS
TEAM PREPGURU

24/04/2023

QUESTIONS FOR 24/04/2023

PHYSICS
1. Which is the most radioactive element?
a. Thorium
b. Uranium
c. Polonium
d. Kryptonium

2. Mirage is an example of?
a. Reflection of light
b. Refraction of light
c. Total internal reflection of light
d. Scattering of light

3. Which of the following scientists have not contributed to describing principles for modes of heat transfer?
a. Kirchoff
b. Fourier
c. Newton
d. Joule

4. The point of application where the total weight can be expected to be concentrated if the gravitational force is dispersed across the volume of the body is called ?
a. Center of gravity of the body
b. The surface of the body
c. The centroid of the body
d. Moment of inertia

5. The force per unit length between two stationary parallel wires carrying steady currents ____________.
I. Is inversely proportional to the separation of wire
II. Is proportional to the magnitude of each current
III. Satisfies Newton’s third law
Out of these
a. I and II are correct
b. II and III are correct
c. I and III are correct
d. I, II, and III are correct

CHEMISTRY
1.”A given compound always contains exactly the same proportion of elements by weight”-This law was given by,
a)John Dalton
b)Gay Lussac
c)Joseph proust
d)Antoine Lavoisier

2. 36.04g of water contains,
a)6.022*1023 molecules
b)6.222*1023molecules
c)12.022*1024molecules
d)12.044*1023molecules

3. Difference between the isotopes is due to the presence of difference in number of –
a)Neutrons
b)Protons
c)Electrons
d) both a and b

4.The electronic configuration 1s2 2s2 2p6 3s2 3p6 shows that the element is a/an
a)metal
b)metalloids
c)non metals
d)data insufficient

5.According to IUPAC ,Unnilquadium indicates the atomic number ,
a)102
b)108
c)109
d)104

MATHEMATICS
1.cos(-600) is
a. -√3
b. √3
c. 1/2
d. -1/2

2.tanx is not defined for
a.0
b.nπ
c.nπ/2
d.(2n+1)π/2

3.Find cos2x if tanx=1/√3
a.1/2
b.0
c.√3/2
d.1

4.Cot(750)
a.2+√3
b.2-√3
c.1+√3
d.1-√3

5.In a Binomial equation (a+x)n number of terms are
a.n+1
b.n-1
c.n
d.None of the above.

BIOLOGY
1)Which of the following is not a function of the cell membrane?
a) Regulating the transport of materials in and out of the cell
b) Maintaining the shape of the cell
c) Sensing signals from the environment
d) Providing energy to the cell

2)What is the site of protein synthesis in a eukaryotic cell?
a) Ribosome
b) Mitochondrion
c) Endoplasmic reticulum
d) Golgi apparatus

3)Which of the following is not a function of the Golgi apparatus?
a) Sorting and modifying proteins for secretion
b) Transporting lipids within the cell
c) Modifying carbohydrates on glycoproteins
d) Breaking down cellular waste

4)Which of the following is not a characteristic of prokaryotic cells?
a) Lack of membrane-bound organelles
b) Presence of a nucleus
c) Small size
d) Simple structure

5)Which of the following is not a type of RNA?
a) Messenger RNA (mRNA)
b) Transfer RNA (tRNA)
c) Ribosomal RNA (rRNA)
d) DNA polymerase RNA (dRNA)

ALL THE BEST
REGARDS
TEAM PREPGURU

17/04/2023

Dear Aspirants,

We will start posting questions for various subjects from 24/04/2023 (Monday). Questions will be posted on Mondays, Wednesdays and Fridays by 9pm. Answers for questions will be posted along with the next set of questions (i.e., The answers for Monday's questions will be posted on Wednesday along with Wednesday's questions and so on).

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All the best
Regards
Team
Prep Guru 4 CFTRI

06/08/2022

Dear Aspirants,
Team PrepGuru wishes you all the best for the exam.

25/07/2022

Answers for 22/07/2022

DAIRY TECHNOLOGY
1. D
2. B
3. D
4. A
5. B

AGRICULTURE
1. B
2. B
3. A
4. A
5. B

FOOD ENGINEERING
1. A
2. D
3. B
4. C
5. C

MENTAL ABILITY
1. D
2. D
3. B
4. D
5. D

Any queries regarding answers please inbox us.

All the best.

Regards,
Team PrepGuru.

22/07/2022

QUESTIONS FOR 22/07/2022

DAIRY TECHNOLOGY
1. Pigment responsible for characteristic color of whey?
a. Xanthophyll
b. Carotene
c. Lutein
d. Riboflavin

2. Specific gravity of cow milk is?
a. 1.030-1.032
b. 1.028-1.030
c. 1.035-1.037
d. 1.033-1.035

3. LTLT method of pasteurization involves heating milk at?
a. 61.1℃ for 30mins
b. 62.2℃ for 30mins
c. 62.7℃ for 30mins
d. 63.0℃ for 30mins

4. Which test is used to check the efficiency of pasteurization?
a. Phosphatase
b. Catalase
c. Peroxidase
d. Lipase

5. During homogenization, average size of fat globules is reduced to?
a. 3 microns
b. 2 microns
c. 5 microns
d. 4 microns

AGRICULTURE
1. Physical manipulation of soil is called
a. Agronomy
b. Tillage
c. Hydroponics
d. None of the above

2. Crassulacean acid metabolism (CAM) is observed in
a. Maize
b. Pine apple
c. Mango
d. AW of the above

3. Which of the following crops is C4 plant?
a. Maize
b. Rice
c. Wheat
d. All of the above

4. Father of white revolution in India is
a. Dr. V. Kurien
b. Dr. V.P. Kuriachen
c. Dr. V. Prakash
d. None of the above

5. Which of the following is an aquatic fern and is being used for rice fields as N2 fixer?
a. Aspergillus
b. Azolla
c. Nitrobacter
d. Azospirillum

FOOD ENGINEEERING
1. Vortex formation in mixing
a. Is undesirable
b. Helps the process speed up
c. Mixing process easy
d. Makes mixing reversible

2. Drag force is
a. Directly proportional to square of velocity and inversely proportional to area
b. Inversely proportional to square of velocity and directly proportional to area
c. Inversely proportional to both square of velocity and area
d. Directly proportional to square of velocity and area

3. Stokes law is related to
a. Terminal diffusivity
b. Terminal velocity
c. Terminal pressure
d. Terminal temperature

4. Cold sterilization is
a. Sterilization by ice
b. Sterilization followed by freezing
c. Sterilization by irradiation
d. Sterilization by liquid nitrogen

5. Which one of these is direct contact type heat exchanger?
a. Plate heat exchanger
b. Tubular heat exchanger
c. Steam infusion heat exchanger
d. None of the above

MENTAL ABILITY
1. Six friends P, Q, R, S, T and U are sitting around the hexagonal table each at one corner and are facing the centre of the hexagonal. P is second to the left of U. Q is neighbour of R and S. T is second to the left of S.
Which one is sitting opposite to P ?
a. R
b. Q
c. T
d. S

2. How many pairs of letters are there in the word " CASTRAPHONE" which have as many letters between them in the word as in the alphabet?
a. 3
b. 4
c. 5
d. 6

3. A, P, R, X, S and Z are sitting in a row. S and Z are in the centre. A and P are at the ends. R is sitting to the left of A. Who is to the right of P ?
a. A
b. X
c. S
d. Z

4. A, B, C, D and E are sitting on a bench. A is sitting next to B, C is sitting next to D, D is not sitting with E who is on the left end of the bench. C is on the second position from the right. A is to the right of B and E. A and C are sitting together. In which position A is sitting ?
a. Between B and D
b. Between B and C
c. Between E and D
d. Between C and E

5. Six friends are sitting in a circle and are facing the centre of the circle. Deepa is between Prakash and Pankaj. Priti is between Mukesh and Lalit. Prakash and Mukesh are opposite to each other.
Who is sitting right to Prakash ?
a. Mukesh
b. Deepa
c. Pankaj
d. Lalit

22/07/2022

ANSWERS FOR 20/07/2022

BIOCHEMISTRY
1) a
2) a
3) b
4) d
5) b

MICROBIOLOGY
1) a
2) a
3) b
4) a
5) b

FOOD CHEMISTRY
1) b
2) c
3) a
4) c
5) d

GENERAL AWARENESS
1) c
2) a
3) d
4) b
5) a

All the best
Regards
Team PrepGuru

Prep Guru 4 CFTRI

01/05/2023

28/04/2023

28/04/2023

26/04/2023

26/04/2023

24/04/2023

17/04/2023

06/08/2022

25/07/2022

22/07/2022

22/07/2022

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