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Q126
#126
Biology → Plant Biology → Plant Tissues and Meristems
·
Easy
Which one of the following plant tissues has dead cells?
Add
Playbook: Plant Biology
A
Epidermis
B
Parenchyma
C
Collenchyma
D
Sclerenchyma
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[Q126 · Apr · 2020]
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Q127
#127
Biology → Human Physiology → Circulatory and Lymphatic System
·
Moderate
Cartilage is NOT found in
Add
Playbook: Human Physiology
A
larynx
B
nose
C
ear
D
urinary bladder
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[Q127 · Apr · 2020]
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Q128
#128
Physics → Gravitation → Orbits, Kepler and Escape
·
Moderate
Two planets orbit the Sun in circular orbits, with their radius of orbit as
R
1
=
R
R_1 = R
R
1
=
R
and
R
2
=
4
R
R_2 = 4R
R
2
=
4
R
. Ratio of their periods
(
T
1
/
T
2
)
(T_1/T_2)
(
T
1
/
T
2
)
around the Sun will be
Add
Playbook: Gravitation
A
1/16
B
1/8
C
1/4
D
1/2
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[Q128 · Apr · 2020]
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Q129
#129
Physics → Electricity and Magnetism → Combination of Resistors
·
Moderate
A metallic wire having resistance of
20
Ω
20\ \Omega
20
Ω
is cut into two equal parts in length. These parts are then connected in parallel. The resistance of this parallel combination is equal to
Add
Playbook: Electricity and Magnetism
A
20
Ω
20\ \Omega
20
Ω
B
10
Ω
10\ \Omega
10
Ω
C
5
Ω
5\ \Omega
5
Ω
D
15
Ω
15\ \Omega
15
Ω
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[Q129 · Apr · 2020]
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Q130
#130
Physics → Light and Optics → Light Phenomena and Spectrum
·
Hard
Light of uniform intensity impinges perpendicularly on a totally reflecting surface. If the area of the surface is halved, the radiation force on it will become
Add
Playbook: Light and Optics
A
double
B
half
C
four times
D
one fourth
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[Q130 · Apr · 2020]
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Q131
#131
Biology → Human Physiology → Circulatory and Lymphatic System
·
Easy
The part of the human eye on which the image is formed is
Add
Playbook: Human Physiology
A
pupil
B
cornea
C
retina
D
iris
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[Q131 · Apr · 2020]
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Q132
#132
Physics → Electricity and Magnetism → Magnetic Force and Fleming's Rules
·
Hard
·
Has image
A proton enters a magnetic field at right angles to it, as shown above. The direction of force acting on the proton will be
Add
Playbook: Electricity and Magnetism
A
to the right
B
to the left
C
out of the page
D
into the page
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[Q132 · Apr · 2020]
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Q133
#133
Physics → Sound → Foundations — Sound, Perception, and the Ear
·
Easy
Which one of the following statements about sound is NOT correct?
Add
Playbook: Sound
A
Sound travels at a speed slower than the speed of light
B
Sound waves are transverse waves
C
Sound waves are longitudinal waves
D
Sound travels faster in moist air than in dry air
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[Q133 · Apr · 2020]
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Q134
#134
Physics → Electricity and Magnetism → Electrical Devices
·
Easy
When the short circuit condition occurs, the current in the circuit
Add
Playbook: Electricity and Magnetism
A
becomes zero
B
remains constant
C
increases substantially
D
keeps on changing randomly
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[Q134 · Apr · 2020]
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Q135
#135
Biology → Reproduction → Angiosperm Reproduction — Pollination and Fertilization
·
Easy
Which one of the following is NOT a component of human male reproductive system?
Add
Playbook: Reproduction
A
Cervix
B
Urethra
C
Seminal vesicle
D
Vas deferens
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[Q135 · Apr · 2020]
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Q136
#136
Biology → Ecology and Environment → Environment and Biodiversity
·
Easy
Which one of the following is NOT a reason of decrease in biodiversity?
Add
Playbook: Ecology and Environment
A
Large scale deforestation
B
Exploitation of forest produce
C
Maintaining sacred groves
D
Encroachment in forest areas
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[Q136 · Apr · 2020]
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Q137
#137
Biology → Ecology and Environment → Environment and Biodiversity
·
Easy
Which one of the following is NOT a cause of depletion in groundwater?
Add
Playbook: Ecology and Environment
A
Afforestation
B
Loss of forests
C
Excessive pumping of groundwater
D
Construction of large scale concrete buildings
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[Q137 · Apr · 2020]
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Q138
#138
Physics → Light and Optics → Light Phenomena and Spectrum
·
Easy
Which one of the following types of radiations has the smallest wavelength?
Add
Playbook: Light and Optics
A
Microwaves
B
Infra-red
C
Visible light
D
X-rays
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[Q138 · Apr · 2020]
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Q139
#139
Physics → Electricity and Magnetism → Electrical Devices
·
Easy
The instrument used for detecting the presence of electric current in a circuit is
Add
Playbook: Electricity and Magnetism
A
Refractometer
B
Galvanometer
C
Viscometer
D
Diffractometer
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[Q139 · Apr · 2020]
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Q140
#140
Biology → Ecology and Environment → Environment and Biodiversity
·
Easy
Which one of the following is the largest composition in biogas?
Add
Playbook: Ecology and Environment
A
Carbon dioxide
B
Methane
C
Hydrogen
D
Hydrogen sulphide
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[Q140 · Apr · 2020]
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Q141
#141
Physics → Light and Optics → Light Phenomena and Spectrum
·
Moderate
The Sun appears reddish during sunrise and sunset. The phenomenon in optics which is responsible for this appearance of the Sun is
Add
Playbook: Light and Optics
A
Reflection
B
Total internal reflection
C
Scattering
D
Interference
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[Q141 · Apr · 2020]
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Q142
#142
Physics → Light and Optics → Reflection and Mirrors
·
Easy
A lens has a power of +2·0 Dioptre. Which one of the following statements about the lens is true?
Add
Playbook: Light and Optics
A
The lens is concave and has a focal length of 0·5 metre
B
The lens is convex and has a focal length of 2·0 metre
C
The lens is convex and has a focal length of 0·5 metre
D
The lens is concave and has a focal length of 2·0 metre
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[Q142 · Apr · 2020]
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Q143
#143
Chemistry → Carbon and Its Compounds → Functional Groups and Common Organic Compounds
·
Moderate
At nearly 70°C, sodium bicarbonate shows the property of gradually decomposing, which makes it usable in bakery products. The product of decomposition responsible for this use of sodium bicarbonate is
Add
Playbook: Carbon and Its Compounds
A
Carbon dioxide
B
Hydrogen
C
Water vapour
D
Oxygen
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[Q143 · Apr · 2020]
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Q144
#144
Chemistry → Carbon and Its Compounds → Common Carbon Compounds and Pigments
·
Moderate
Number of molecules of water of crystallization in copper sulphate, sodium carbonate and Gypsum are
Add
Playbook: Carbon and Its Compounds
A
5, 10 and 2 respectively
B
10, 2 and 5 respectively
C
5, 2 and 10 respectively
D
2, 5 and 10 respectively
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[Q144 · Apr · 2020]
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Q145
#145
Chemistry → Acids, Bases and Salts → pH Scale and Common Substances
·
Moderate
Which one of the following is the correct sequence of change in colours when a turmeric stain on white clothes is scrubbed by soap and then washed with water?
Add
Playbook: Acids, Bases and Salts
A
Yellow – pink – blue
B
Yellow – reddish brown – yellow
C
Yellow – reddish brown – blue
D
Yellow – blue – pink
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[Q145 · Apr · 2020]
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Q146
#146
Chemistry → Acids, Bases and Salts → Salts and Common Compounds
·
Moderate
Which one of the following statements regarding Bleaching powder and D.D.T. is correct?
Add
Playbook: Acids, Bases and Salts
A
Both are inorganic compounds
B
Both are organic compounds
C
Both contain chlorine
D
Both contain calcium
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[Q146 · Apr · 2020]
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Q147
#147
Chemistry → Carbon and Its Compounds → Common Carbon Compounds and Pigments
·
Easy
Which one of the following is the best example of desiccant?
Add
Playbook: Carbon and Its Compounds
A
Silica gel
B
Polystyrene
C
Sodium chloride
D
Sodium carbonate
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[Q147 · Apr · 2020]
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Q148
#148
Chemistry → Acids, Bases and Salts → Acid-Base Theory: Concepts, Oxides and Electrolytes
·
Hard
Which one of the following was the first mineral acid discovered?
Add
Playbook: Acids, Bases and Salts
A
Sulphuric acid
B
Hydrochloric acid
C
Nitric acid
D
Phosphoric acid
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[Q148 · Apr · 2020]
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Q149
#149
Physics → Light and Optics → Refraction, Speed of Light and TIR
·
Moderate
The refractive index of fused quartz is 1·46 and that of sapphire is 1·77. If
v
q
v_q
v
q
is the speed of light in quartz and
v
s
v_s
v
s
is the speed of light in sapphire, then which one of the following relations is correct?
Add
Playbook: Light and Optics
A
v
q
>
v
s
v_q > v_s
v
q
>
v
s
B
v
s
>
v
q
v_s > v_q
v
s
>
v
q
C
v
s
=
v
q
v_s = v_q
v
s
=
v
q
D
v
s
=
v
q
2
v_s = \frac{v_q}{2}
v
s
=
2
v
q
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[Q149 · Apr · 2020]
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Q150
#150
Physics → Light and Optics → Reflection and Mirrors
·
Moderate
In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the following statements about the image is NOT correct?
Add
Playbook: Light and Optics
A
The image will be virtual
B
The image will be enlarged or magnified
C
The image will be formed at infinity
D
The image will be erect
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[Q150 · Apr · 2020]
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