Engineering/Engineering Branch Wise MCQs Sample Test,Sample questions

Question:
 Which of these is a hormone?

1.Collagen

2.Keratin

3.Insulin

4.GLUT-4


Question:
A body can have energy without momentum.

1.True

2.False


Question:
A body having 7 kg of mass moves slowly and covers a vertical height of 14 m. What is the work done in Joules and what force causes this work? Take g = 10 m/s2.

1.980, gravity

2.980, force acting opposite to gravity

3.1000, gravity

4.1000, force acting opposite to gravity


Question:
A body having 7 kg of mass moves with a velocity of 20 m/s covers a vertical height of 8.75 m. What is the work done by the moving force in Joules? Take g = 10 m/s2.

1.0

2.10

3.15

4.20


Question:
A body moving with a constant velocity on normal ground initially has an energy of 1000 J. If the final energy is 800 J, what is the work done and which force causes this work?

1.200 J, gravity

2. -200 J, friction

3.200 J, friction

4. -200 J, gravity


Question:
A body of mass 2 Kg, initially at rest, moves under the influence of an external force of magnitude 4 N on plane ground. What is the work done by the force and the change in kinetic energy in the first 10 seconds?

1.400 J, 400 J

2. -400 J, 400 J

3.400 J, -400 J

4. -400 J, -400 J


Question:
A continuous strand of the same amino acids linked to each other forms a _____

1.dimer

2.monomer

3.heteropolymer

4.homopolymer


Question:
A machine gun fires 60 bullets per minute, with a velocity of 700m/s. If each bullet has a mass of 50g, find the power developed by the gun.

1.225W

2.12250W

3.122.5W

4.122W


Question:
A particle is acted upon by a force of a constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that ___________

1.Its velocity is constant and kinetic energy is constant

2.Its acceleration and velocity is constant

3.Its kinetic energy is constant and it moves in a circular path

4.Its acceleration is constant and it moves in a circular path


Question:
A particle of mass 100g is thrown vertically upwards with a speed of 5m/s. The work done by the force of gravity during the time the particle goes up is ___________

1.1.25J

2.0.5J

3.-0.5J

4.-1.25J


Question:
A projectile has both change in kinetic and potential energy. Still the work done calculated between any two points is zero. This is due to _________

1.Presence of no external force

2.No displacement

3.The displacement being in both vertical and horizontal directions

4.Inter-conversion of kinetic and potential energies


Question:
A protein is a _____

1.monomer

2.homopolymer

3.heteropolymer

4.dimer


Question:
A spherical ball of mass 20kg is stationary at the top of a hill of height 100m. It rolls down a smooth surface to the ground, then climbs up another hill of height 30m and finally rolls done to a horizontal base at a height of 20m above the ground. The velocity attained by the ball is ___________

1.10m/s

2.10√30m/s

3.40m/s

4.20m/s


Question:
According to the work-energy theorem, total change in energy is equal to the _______

1.Total work done

2.Half of the total work done

3.Total work done added with frictional losses

4.Square of the total work done


Question:
Amino acids are linked together by _____

1.peptide bonds

2.hydrogen bonds

3.glycosidic linkages

4.hydrophobic interactions


Question:
An athlete in the Olympic game covers a distance of 100m in 10s. His kinetic energy can be estimated in the range?

1.200J – 500J

2.2×105J – 3×105J

3.20000J – 50000J

4.2000J – 5000J


Question:
Collagen is a(n) ______

1.hormone

2.intracellular ground substance

3.intercellular ground substance

4.enzyme


Question:
Collision between two carom coins is an example for ___________

1.Oblique collision

2.Perfectly inelastic collision

3.Inelastic collision

4.Elastic collision


Question:
Dietary proteins are the source of non-essential amino acids. True or false?

1.True

2.False


Question:
For a collision to occur, the actual physical contact is necessary.

1.True

2.False


Question:
How are essential amino acids obtained?

1.Produced in the body

2.Through diet

3.Its levels remain constant

4.From plants


Question:
How much mass is converted into energy per day in Tarapur nuclear power plant operated at 107 kW?

1.10g

2.9g

3.9.6g

4.2g


Question:
If a force acts perpendicular to the direction of motion of a body, what is the amount of work done?

1.Infinity

2.Constant

3.Zero

4.Sinθ


Question:
In which category do potential and kinetic energy fall?

1.Mechanical energy

2.Electrical energy

3.magnetic energy

4.Usual energy


Question:
Mud thrown on a wall and sticking to it is an example for ___________

1.Inelastic collision

2.Elastic collision

3.Super elastic collision

4.Perfectly inelastic collision


Question:
Statement 1: Linear momentum of a system of particles is zero.
Statement 2: Kinetic energy of a system of particles is zero.

1.1 does not imply 2 and 2 does not imply 1

2.1 implies 2 but 2 does not imply 1

3.1 does not imply 2 but 2 implies 1

4.1 implies 2 and 2 implies 1


Question:
The change in the total energy of a body moving because of work being done on it is attributed by the change in kinetic energy only when ______

1.It moves extremely slowly

2.It moves with a very high velocity

3.It moves on an equipotential surface

4.It moves with a positive acceleration


Question:
The energy possessed by a body by the virtue of its motion is called ______

1.Kinetic energy

2.Potential energy

3. Total energy

4.Motion energy


Question:
The energy possessed by a body by the virtue of its position is called ______

1.Kinetic energy

2.Potential energy

3.Total energy

4.Position energy


Question:
The most common type of door is:

1.Double leaf door

2.Louvred door

3.Single leaf door

4.Battened door


Question:
The total energy change of a body which covers a vertical height is constituted completely by the potential energy change only when ______

1.It moves slowly

2.It moves quickly

3.It moves for some time, then rests, then moves again

4.It moves with a decreasing velocity


Question:
The total energy of a system moving under the action of a conservative force changes by 50 J. Which of the following statements are correct with regards to the amount of work done?

1.Amount of work done = 50 J

2.Amount of work done < 50 J

3.Amount of work done > 50 J

4.Amount of work done <= 50 J


Question:
The total energy of the universe is constant.

1.True

2.False


Question:
The work done by a body while covering a vertical height of 5m is 50 kJ. By how much amount has the energy of the body changed?

1.50 kJ

2.-50 kJ

3.25 kJ

4.10 kJ


Question:
What is the full form of RuBisCO?

1.Ribosome bisphosphate Carboxylase-Oxidase

2.Ribulose bisphosphate Carboxylase-Oxidase

3.Ribosome bisphosphate Carboxy-Oxygenase

4.Ribulose bisphosphate Carboxylase-Oxygenase


Question:
What is the function of antibody?

1.Acts as tissue toxins

2.Degrades old erythrocytes

3.Fights infectious agents

4.Helps in growth of cells


Question:
What is the function of GLUT-4?

1.Enables transport of both insulin and glucose into cells

2.Enables glucose transport into cells

3.Enables glucose transport out of cells

4.Enables transport of both sodium and glucose out of cells


Question:
What type of helix is observed in proteins?

1.Left-handed helix

2.Parallel double helix

3.Antiparallel double helix

4.Right-handed helix


Question:
When a light body collides with a massive body at rest ___________

1.The light body rebounds after the collision

2.The light body Remains at rest

3.The massive body rebounds after the collision

4.No reaction happens


Question:
When a massive body collides against a light body at rest ___________

1.The light body starts moving

2.The light body rebounds

3.The velocity of the bodies get exchanged

4.The massive body comes to rest


Question:
Which of the following is an example of inelastic collision?

1.Collision between two vehicles

2.Collision between glass balls

3.A bullet fired into a wooden block

4.Collision between two railway compartments


Question:
Which of these is an enzyme?

1.GLUT-4

2.Collagen

3.Insulin

4. Trypsin


Question:
Which of these is not a function of protein?

1.Major constituent of the cell membrane

2.Transport of nutrients

3.Defense against pathogens

4.Regulation of homeostasis


Question:
Which of these proteins help in recognition of sensory signals?

1.Receptor proteins

2.Structural proteins

3.Hormones

4.Nucleoproteins


Question:
Which of these statements is true about the secondary structure of proteins?

1.Secondary structure of protein occurs only in the form of helices

2.Protein helices are always double-stranded

3.Protein helices and right-handed

4.Entire primary structure of the protein is folded into a helix


Question:
Which of these structures have more than one polypeptide chain?

1.Primary

2.Tertiary

3.Quaternary

4.Secondary


Question:
Which of these structures is necessary for the activity of proteins?

1.Alpha–helix

2.Primary structure

3.Tertiary structure

4.Beta–sheet


Question:
Which of these structures is three-dimensional?

1.Tertiary structure

2.Primary structure

3.Alpha–helix

4.Beta–sheet


Question:
Which protein is most abundant in the animal world?

1.Actin

2.Keratin

3.Collagen

4.Histone


Question:
Which protein is the most abundant?

1.ATP synthase

2.Collagen

3.RuBisCO

4.NADPH oxidase


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