1.	The kinetic energy acquired by a mass (m) in traveling distance starting from rest under the action of constant force is directly proportional to ?
	1/m
	m°
	m
	1/?m
	Answer: m° Explanation: Work done by external forces = Change in kinetic energy Since particle starts from rest, its initial Kinetic Energy is 0. Therefore, K.E.=Fd It is given that force is constant. We see that Kinetic energy is independent of mass
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2.	The work done in moving a charge from one point to the other is 20 J. If the potential difference between the points is to 10 V, the charge is ?
	4.0 C
	2.0 C
	0.5 C
	1.0 C
	Answer: 2.0 C Explanation: Work done (W) = 20 J Potential difference (V) = 10 V Since Work done (W) = Charge (q) × Potential Difference (V) ? Charge (q) = W/V ? q = 20/10 = 2 coulomb(C)
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3.	Group of cells having a common origin and performing similar functions are called ?
	Tissues
	Organs
	Organ systems
	None of the above
	Answer: Tissues Explanation: A tissue is a group of cells with a common origin, structure and function. Being of a common origin, there are similar in structure and hence perform the same function. Several types of tissues organise to form an organ
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4.	A body of mass m moving with velocity 4 km/h collides with a body of mass 3 m at rest. Now the coalesced mass starts to move with a velocity of ?
	4 km/h
	4/3 km/h
	1 km/h
	2 km/h
	Answer: 1 km/h Explanation: ?mu=(m+2m)v ?v= u/3 =1 km/h
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5.	Which organ of the body is affected by Leukoderma ?
	Heart
	Kidney
	Lungs
	Skin
	Answer: Skin Explanation: organ of the body is affected by leukoderma is Skin
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6.	What is the third proportional to 9 and 12 ?
	19
	16
	18
	17
	Answer: 16 Explanation: Formula: If a, b, and c are in proportion ? a/b = b/c ? b = ac Calculation: Let the third proportional to 9 and 12 be x According to the question 9 : 12 :: 12 : x ? 9/12 = 12/x ? x = (12 × 12)/9 ? x = 16
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7.	Which one of the following is an Enzyme ?
	Glucagon
	Insulin
	Somatrophin
	Trypsin
	Answer: Trypsin Explanation: Trypsin. Trypsin is a proteolytic enzyme which acts on proteins
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8.	A 5 ? resistance wire is doubled on it. Calculate the new resistance of the wire ?
	1.25 ?
	2.25 ?
	1.5 ?
	1.00 ?
	Answer: 1.25 ? Explanation: Resistance (R) = 5 ? The Resistance of wire = R = p L / A When the wire is doubled, its length becomes half, and the area of cross-section is doubled = R = p L / A = p L/2 / 2A = 1/4 p L / A = = 1.25 ? New Resistance
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9.	On applying a constant force to a body, it moves with uniform_ ?
	Momentum
	Speed
	Velocity
	Acceleration
	Answer: Acceleration Explanation: When constant force is applied to a body,its acceleration remains constant as force is the product of mass of body and acceleration, F = ma , here mass is constant ,force is constant thus acceleration is uniform
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10.	‘Gallon’ is commonly used ?
	To refer to a container
	To refer to speed
	As a measure of volume
	To express containers in terms of barrel
	Answer: As a measure of volume Explanation: ‘Gallon’ is a common unit of capacity measured as cubic inches of water
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