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Q501
#501
Physics → Heat and Thermodynamics → Heat, Calorimetry and Specific Heat
·
Moderate
Add
Which one of the following statements is correct?
Playbook: Heat and Thermodynamics
A
Any energy transfer that does not involve temperature difference in some way is not heat
B
Any energy transfer always requires a temperature difference
C
On heating the length and volume of the object remain exactly the same
D
Whenever there is a temperature difference, heat is the only way of energy transfer
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[Q51 · Apr · 2018]
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Q502
#502
Physics → Oscillations and Waves → Simple Harmonic Motion and General Waves
·
Moderate
Add
If
T
T
T
is the time period of an oscillating pendulum, which one of the following statements is NOT correct?
Playbook: Oscillations and Waves
A
The motion repeats after time
T
T
T
only once
B
T
T
T
is the least time after which motion repeats itself
C
The motion repeats itself after
n
T
nT
n
T
, where
n
n
n
is a positive integer
D
T
T
T
remains the same only for small angular displacements
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[Q52 · Apr · 2018]
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Q503
#503
Physics → Laws of Motion and Forces → Newton's Laws of Motion
·
Easy
Add
If an object moves with constant velocity then which one of the following statements is NOT correct?
Playbook: Laws of Motion and Forces
A
Its motion is along a straight line
B
Its speed changes with time
C
Its acceleration is zero
D
Its displacement increases linearly with time
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[Q53 · Apr · 2018]
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Q504
#504
Physics → Kinematics and Motion → Equations of Motion and Graphs
·
Easy
Add
An object is moving with uniform acceleration
a
a
a
. Its initial velocity is
u
u
u
and after time
t
t
t
its velocity is
v
v
v
. The equation of its motion is
v
=
u
+
a
t
v = u + at
v
=
u
+
a
t
. The velocity (along y-axis) time (along x-axis) graph shall be a straight line
Playbook: Kinematics and Motion
A
passing through origin
B
with x-intercept
u
u
u
C
with y-intercept
u
u
u
D
with slope
u
u
u
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[Q54 · Apr · 2018]
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Q505
#505
Physics → Electricity and Magnetism → Magnetism and Magnetic Effects of Current
·
Easy
Add
What is the net force experienced by a bar magnet placed in a uniform magnetic field?
Playbook: Electricity and Magnetism
A
Zero
B
Depends upon length of the magnet
C
Never zero
D
Depends upon temperature
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[Q55 · Apr · 2018]
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Q506
#506
Physics → Laws of Motion and Forces → Newton's Laws of Motion
·
Easy
Add
Which one of the following has maximum inertia?
Playbook: Laws of Motion and Forces
A
An atom
B
A molecule
C
A one-rupee coin
D
A cricket ball
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[Q56 · Apr · 2018]
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Q507
#507
Physics → Units, Measurement and Dimensions → Units and Dimensions
·
Easy
Add
Which one of the following is the value of 1 kWh of energy converted into joules?
Playbook: Units, Measurement and Dimensions
A
1
⋅
8
×
10
6
J
1 \cdot 8 \times 10^{6}\,\text{J}
1
⋅
8
×
1
0
6
J
B
3
⋅
6
×
10
6
J
3 \cdot 6 \times 10^{6}\,\text{J}
3
⋅
6
×
1
0
6
J
C
6
⋅
0
×
10
6
J
6 \cdot 0 \times 10^{6}\,\text{J}
6
⋅
0
×
1
0
6
J
D
7
⋅
2
×
10
6
J
7 \cdot 2 \times 10^{6}\,\text{J}
7
⋅
2
×
1
0
6
J
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[Q57 · Apr · 2018]
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Q508
#508
Physics → Gravitation → Newton's Law of Gravitation
·
Easy
Add
Which one of the following statements about gravitational force is NOT correct?
Playbook: Gravitation
A
It is experienced by all bodies in the universe
B
It is a dominant force between celestial bodies
C
It is a negligible force for atoms
D
It is same for all pairs of bodies in our universe
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[Q58 · Apr · 2018]
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Q509
#509
Physics → Fluid Mechanics and Properties of Matter → Buoyancy, Density and Flotation
·
Easy
Add
Whether an object will float or sink in a liquid, depends on
Playbook: Fluid Mechanics and Properties of Matter
A
mass of the object only
B
mass of the object and density of liquid only
C
difference in the densities of the object and liquid
D
mass and shape of the object only
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[Q59 · Apr · 2018]
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Q510
#510
Physics → Electricity and Magnetism → Electric Current and Ohm's Law
·
Easy
Add
Which one of the following devices is non-ohmic?
Playbook: Electricity and Magnetism
A
Conducting copper coil
B
Electric heating coil
C
Semi conductor diode
D
Rheostat
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[Q60 · Apr · 2018]
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Q511
#511
Physics → Light and Optics → Reflection and Mirrors
·
Easy
Add
Which one of the following is the natural phenomenon based on which a simple periscope works?
Playbook: Light and Optics
A
Reflection of light
B
Refraction of light
C
Dispersion of light
D
Total internal reflection of light
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[Q61 · Apr · 2018]
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Q512
#512
Physics → Sound → Wave Equation, Speed, and Frequency Bands
·
Easy
Add
Which one of the following frequency ranges is sensitive to human ears?
Playbook: Sound
A
0 – 200 Hz
B
20 – 20,000 Hz
C
200 – 20,000 Hz only
D
2,000 – 20,000 Hz only
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[Q62 · Apr · 2018]
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Q513
#513
Biology → Plant Biology → Photosynthesis
·
Moderate
Add
The accidental touch of Nettle leaves creates a burning sensation, which is due to inject of
Playbook: Plant Biology
A
Hydrochloric acid
B
Methanoic acid
C
Citric acid
D
Sulphuric acid
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[Q63 · Apr · 2018]
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Q514
#514
Chemistry → Acids, Bases and Salts → pH Scale and Common Substances
·
Easy
Add
Which of the following properties is true for a tooth paste?
Playbook: Acids, Bases and Salts
A
It is acidic
B
It is neutral
C
It is basic
D
It is made up of Calcium phosphate, the material of tooth enamel
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[Q64 · Apr · 2018]
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Q515
#515
Chemistry → Acids, Bases and Salts → pH Scale and Common Substances
·
Moderate
Add
Which one of the following gives the highest amount of hydrogen ions
(
H
+
)
\left(\text{H}^{+}\right)
(
H
+
)
?
Playbook: Acids, Bases and Salts
A
Sodium hydroxide solution
B
Milk of magnesia
C
Lemon juice
D
Gastric juice
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[Q65 · Apr · 2018]
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Q516
#516
Chemistry → Acids, Bases and Salts → Salts and Common Compounds
·
Easy
Add
Brine is an aqueous solution of
Playbook: Acids, Bases and Salts
A
NaCl
B
NaOH
C
NaHCO
3
\text{NaHCO}_{3}
NaHCO
3
D
Na
2
CO
3
\text{Na}_{2}\text{CO}_{3}
Na
2
CO
3
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[Q66 · Apr · 2018]
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Q517
#517
Chemistry → Carbon and Its Compounds → Common Carbon Compounds and Pigments
·
Easy
Add
Which one of the following is the chemical formula of Washing Soda?
Playbook: Carbon and Its Compounds
A
NaHCO
3
\text{NaHCO}_{3}
NaHCO
3
B
Na
2
CO
3
⋅
10
H
2
O
\text{Na}_{2}\text{CO}_{3} \cdot 10\text{H}_{2}\text{O}
Na
2
CO
3
⋅
10
H
2
O
C
Na
2
CO
3
⋅
5
H
2
O
\text{Na}_{2}\text{CO}_{3} \cdot 5\text{H}_{2}\text{O}
Na
2
CO
3
⋅
5
H
2
O
D
NaOH
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[Q67 · Apr · 2018]
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Q518
#518
Chemistry → Acids, Bases and Salts → Salts and Common Compounds
·
Moderate
Add
Which one of the following is NOT true for bleaching powder?
Playbook: Acids, Bases and Salts
A
It is used as a reducing agent in chemical industries
B
It is used for bleaching wood pulp in paper factories
C
It is used for disinfecting drinking water
D
It is used for bleaching linen in textile industry
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[Q68 · Apr · 2018]
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Q519
#519
Biology → Microbiology and Disease → Pathogens and Diseases
·
Moderate
Add
AIDS is caused by a virus whose genetic material is
Playbook: Microbiology and Disease
A
single stranded circular DNA
B
double stranded DNA
C
single stranded RNA
D
double stranded RNA
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[Q69 · Apr · 2018]
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Q520
#520
Biology → Cell Biology → Prokaryotic vs Eukaryotic Cells
·
Easy
Add
Which one of the following is an organelle that is NOT found in prokaryotic cells?
Playbook: Cell Biology
A
Cell wall
B
Mitochondria
C
Plasma membrane
D
Ribosome
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[Q70 · Apr · 2018]
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Q521
#521
Biology → Human Physiology → Respiratory System
·
Easy
Add
Which one of the following parts of body does NOT take part in the process of breathing?
Playbook: Human Physiology
A
Bronchi
B
Bowman's capsule
C
Diaphragm
D
Trachea
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[Q71 · Apr · 2018]
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Q522
#522
Biology → Biodiversity and Classification → Plant Kingdom Classification
·
Moderate
Add
Which one of the following statements about classification of plants is correct?
Playbook: Biodiversity and Classification
A
Thallophytes have well differentiated body design
B
Funaria is a fungus
C
All Pteridophytes are Phanerogams
D
Vascular system is not found among Bryophytes
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[Q72 · Apr · 2018]
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Q523
#523
Biology → Biodiversity and Classification → Animal Kingdom Classification
·
Easy
Add
Which one of the following is the correct sequence of levels of hierarchy of classification of organisms from higher to lower?
Playbook: Biodiversity and Classification
A
Phylum – Class – Order – Family – Genus
B
Phylum – Class – Family – Order – Genus
C
Family – Order – Class – Species – Genus
D
Class – Family – Order – Species – Genus
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[Q73 · Apr · 2018]
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Q524
#524
Biology → Plant Biology → Photosynthesis
·
Easy
Add
Which one of the following statements about meristematic tissues in plants is correct?
Playbook: Plant Biology
A
These are dead tissues and form wood
B
They provide flexibility to plant due to their thickened walls
C
These are present in the bark of a tree only
D
Growth occurs in plants due to division of cells of these tissues
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[Q74 · Apr · 2018]
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Q525
#525
Geography → Indian Geography — Economy, Resources and Transport → Economic Sectors and Government Schemes
·
Moderate
Add
Which one of the following Union Territories has the highest female literacy rate?
Playbook: Indian Geography — Economy, Resources and Transport
A
Chandigarh
B
Lakshadweep
C
Andaman and Nicobar Islands
D
Puducherry
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[Q75 · Apr · 2018]
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