JEE Advanced Mock Test 11 - Online MCQ Exam

In a dry cell, the anode is made up of:

1 Mark(s)

Your Answer:

zinc zinc
calcium calcium
sodium sodium
graphite graphite

In a hospital there are enough injections sufficient for 15 days. Originally there were 80 patients but 40 more patients appeared. How many days these injections will be sufficient for now?

1 Mark(s)

Your Answer:

10 10
15 15
16 16
12 12

When anyone of inputs is at 1, the value of output of OR gate will be:

1 Mark(s)

Your Answer:

2 2
1 1
3 3
0 0

According to the third law of motion, action and reaction (NCERT Exemplar)

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Your Answer:

A) always act on the same body A) always act on the same body
B) always act on different bodies in opposite directions
C) have same magnitude and directions C) have same magnitude and directions
D) act on either body at normal to each other

The false statement among the followings:

1 Mark(s)

Your Answer:

A) The average residence time of NO is one month.
B) Limestone acts as a sink for SO x . B) Limestone acts as a sink for SO x .
C) SO x can be removed from flue gases by passing through a solution of citrate ions.
D) Ammonia acts as a sink for NO x . D) Ammonia acts as a sink for NO x .

Which of the following are glucose and fructose?

1 Mark(s)

Your Answer:

monosaccharides monosaccharides
oligosaccharides oligosaccharides
polysaccharides polysaccharides
starch starch

A statement in which sign of equality “ = ” is used to link two algebraic expressions is called:

1 Mark(s)

Your Answer:

formula formula
equation equation
fraction fraction
matrix matrix

1 bel is equal to:

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Your Answer:

100 dB 100 dB
50dB 50dB
10dB 10dB
20dB 20dB

The ratio of the sides of rectangle is 5:4 and its perimeter is 72 cm. Then, the length of the rectangle is Competencty Based Question

1 Mark(s)

Your Answer:

A) 40 cm A) 40 cm
B) 20 cm B) 20 cm
C) 30 cm C) 30 cm
D) 60 cm D) 60 cm

A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________?

1 Mark(s)

Your Answer:

Maximum Maximum
Zero Zero
Equal to the weight of the stone Equal to the weight of the stone
Less than the weight of the stone Less than the weight of the stone

A reagent which can help us to distinguish between alkenes and alkynes is:

1 Mark(s)

Your Answer:

A) Bromine water A) Bromine water
B) Carbon tetrachloride B) Carbon tetrachloride
C) Alkaline KMnO 4 C) Alkaline KMnO 4
D) Ammoniacal cuprous chloride D) Ammoniacal cuprous chloride

Which statement is incorrect if X and Y are the two non-empty relations on the set S.

1 Mark(s)

Your Answer:

If X and Y are transitive, then the intersection of X and Y is also transitive.
If X and Y are reflexive, then the intersection of X and Y is also reflexive.
If X and Y are symmetric, then the union of X and Y is not symmetric.
If X and Y are transitive, then the union of X and Y is not transitive.

Humans can hear sound up to the highest frequency of 20,000 Hz. If the wavelength of sound in air at this frequency at a temperature of 20° would be:

1 Mark(s)

Your Answer:

5.7×10-2 5.7×10-2
3.7×10-2 3.7×10-2
1.7×10-2 1.7×10-2
2.7×10-2 2.7×10-2

A swimmer can swim at $5 m/s$ in still water. River flows at $3 m/s$. The shortest time to cross the river of width $100m$ is:

1 Mark(s)

Your Answer:

$20 s$ $20 s$
$25 s$ $25 s$
$33.3 s$ $33.3 s$
$15 s$ $15 s$

At STP, one mole of any gas occupies:

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Your Answer:

11.2 L 11.2 L
22.4 L 22.4 L
44.8 L 44.8 L
5.6 L 5.6 L

Hydrogenation of oils gives:

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Your Answer:

Liquid oils Liquid oils
Solid fats Solid fats
Soaps Soaps
Fatty acids Fatty acids

52 * 40.1 = ________?

1 Mark(s)

Your Answer:

2080 2080
2480 2480
2260 2260
2380 2380

Speed of a body can not be_______?

1 Mark(s)

Your Answer:

Zero Zero
Positive Positive
Negative Negative
None None

The capacity of a cylindrical tank is 246.4 litres. If the height is 4 metres, what is the diameter of the base ?

1 Mark(s)

Your Answer:

1.4 m 1.4 m
2.8 m 2.8 m
14 m 14 m
None of these None of these

the present average age of a couple and their daughter is 35 years. Fifteen years from now, the age of the mother will be equal to the sum of present ages of the father and the daughter. Find the present age of mother?

1 Mark(s)

Your Answer:

43 years 43 years
40 years 40 years
48 years 48 years
45 years 45 years
None of these None of these

Which of the following does not contain phosphorus ?

1 Mark(s)

Your Answer:

Yolk of egg Yolk of egg
Bone Bone
Nerves Nerves
Steel Steel

The sound waves travel from its source by:

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Your Answer:

vibrations in wires or strings vibrations in wires or strings
electromagnetic wave electromagnetic wave
infrared wave infrared wave
changes in air pressure changes in air pressure

The Root Mean Square (RMS) speed of gas molecules is given by:

1 Mark(s)

Your Answer:

$\sqrt{3RT/M}$ $\sqrt{3RT/M}$
$\sqrt{2RT/M}$ $\sqrt{2RT/M}$
$\sqrt{8RT/\pi M}$ $\sqrt{8RT/\pi M}$
$\sqrt{RT/M}$ $\sqrt{RT/M}$

Faraday’s law of electrolysis is related to

1 Mark(s)

Your Answer:

A) Atomic number of cation A) Atomic number of cation
B) Speed of cation B) Speed of cation
C) Speed of anion C) Speed of anion
D) Equivalent weight of electrolyte D) Equivalent weight of electrolyte

In a transformer, the primary coil is connected to:

1 Mark(s)

Your Answer:

Alternating current (AC) source Alternating current (AC) source
Direct current (DC) source Direct current (DC) source
resistor resistor
inductor inductor

The number of significant figures in $2.64 \times 10^{24}$ kg is:

1 Mark(s)

Your Answer:

2 2
3 3
5 5
24 24

Horizontally arranged elements in a matrix is called:

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Your Answer:

columns columns
rows rows
determinants determinants
transpose transpose

Cosθi^ + Sinθj^ is a_________________?

1 Mark(s)

Your Answer:

Vector Vector
Position Vector Position Vector
Vector in the direction at angle θ with an x-axis
The unit vector in the direction at angle θ with an x-axis

In a practical electric motor, the coil is called:

1 Mark(s)

Your Answer:

armature armature
ammeter ammeter
pole pole
split split

In the transistor schematic symbol, the arrow______________?

1 Mark(s)

Your Answer:

is located on the emitter is located on the emitter
is located on the base is located on the base
is locate on the collector is locate on the collector
points form north to south points form north to south

Which of the following is not true about alkynes?

1 Mark(s)

Your Answer:

they are unsaturated hydrocarbons they are unsaturated hydrocarbons
they are saturated hydrocarbons they are saturated hydrocarbons
they are non-polar they are non-polar
they dissolve readily in organic solvents

The ratio of the cost price and the selling price is 4:5. The profit percent is:__________?

1 Mark(s)

Your Answer:

10% 10%
20% 20%
25% 25%
30% 30%

Assertion (A) The cube of an even number is always an even number. Reason (R) When you multiply an even number by itself three times, the result is always even.

1 Mark(s)

Your Answer:

A) Both A and R are true and R is the correct explanation of A.
B) Both A and R are true but R is not the correct explanation of A.
C) A is true but R is false. C) A is true but R is false.
D) A is false but R is true. D) A is false but R is true.

The formula for the area of a triangle with base ‘b’ and height ‘h’ is

1 Mark(s)

Your Answer:

A) b + h A) b + h
B) b × h B) b × h
C) $\frac {1}{2}$ × b × h C) $\frac {1}{2}$ × b × h
D) 2b + 2h (\frac {1}{2}\) × b × h D) 2b + 2h (\frac {1}{2}\) × b × h

Various types of cancer are treated by_________________?

1 Mark(s)

Your Answer:

Cobalt-60 Cobalt-60
Strontium-90 Strontium-90
Carbon-14 Carbon-14
Nickel-63 Nickel-63

Which of the following have an impact on brain development in human beings especially among children?

1 Mark(s)

Your Answer:

chlorofluorocarbons (CFCs) chlorofluorocarbons (CFCs)
methane methane
carbon monoxide carbon monoxide
lead compounds lead compounds

Raney nickel is prepared from ______________________ by treating with caustic soda?

1 Mark(s)

Your Answer:

Ni-Cu alloy Ni-Cu alloy
Ni-Fe alloy Ni-Fe alloy
Ni-Al alloy Ni-Al alloy
Ni-Mg alloy Ni-Mg alloy

To store a large amount of charge at relatively low voltage, we use:

1 Mark(s)

Your Answer:

ceramic capacitors ceramic capacitors
fixed capacitors fixed capacitors
parallel plate capacitors parallel plate capacitors
electrolytic capacitors electrolytic capacitors

Certain quantity of food is sufficient for certain number of men for 13 days. After 1 day 2/5 of them desert how long will the food now last?

1 Mark(s)

Your Answer:

20 days 20 days
25 days 25 days
18 days 18 days
16 days 16 days

If length is 52 cm and θ is 45°, the radius should be:

1 Mark(s)

Your Answer:

56.7 cm 56.7 cm
60 cm 60 cm
66.21 cm 66.21 cm
49 cm 49 cm

The acid which is used as ink remover is_________________?

1 Mark(s)

Your Answer:

Oxalic acid Oxalic acid
Succinic acid Succinic acid
Adipic acid Adipic acid
Acetic acid Acetic acid

Metallic character of elements:

1 Mark(s)

Your Answer:

Increases down group and left in period Increases down group and left in period
Increases up group and right in period Increases up group and right in period
Increases with atomic number Increases with atomic number
Decreases down group Decreases down group

Boiling point elevations can be measured by__________________?

1 Mark(s)

Your Answer:

Beckmanns method Beckmanns method
Landsbergers method Landsbergers method
Linds method Linds method
none of the above none of the above

Three pipes of same capacity can fill a tank in 8 hours. If there are only two pipes of same capacity, the tank can be filled in___________?

1 Mark(s)

Your Answer:

17 hours 17 hours
12 hours 12 hours
16 hours 16 hours
24 hours 24 hours

Evaluating Your Answers

JEE Advanced Mock Test 11 : Question 1 of 44