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Q2151
#2151
Biology → Plant Biology → Plant Tissues and Meristems
·
Easy
Girth of stem of a plant increases due to division of cells in
Add
Playbook: Plant Biology
A
apical meristem only.
B
lateral meristem only.
C
apical and intercalary meristem.
D
both apical and lateral meristem.
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[Q111 · Sep · 2021]
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Q2152
#2152
Biology → Genetics and Evolution → Heredity and DNA
·
Easy
Different varieties of the same gene are called
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Playbook: Genetics and Evolution
A
Genotypes
B
Sib pairs
C
Alleles
D
Isomers
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[Q112 · Sep · 2021]
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Q2153
#2153
Biology → Microbiology and Disease → Pathogens and Diseases
·
Easy
Which one of the following viruses used to be responsible for highly infectious disease Smallpox?
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Playbook: Microbiology and Disease
A
Adenovirus
B
Variola virus
C
Aichi virus
D
Coxsackie virus
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[Q113 · Sep · 2021]
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Q2154
#2154
Physics → Fluid Mechanics and Properties of Matter → Buoyancy, Density and Flotation
·
Easy
Buoyancy is a/an
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Playbook: Fluid Mechanics and Properties of Matter
A
upward pressure
B
downward pressure
C
downward force
D
upward force
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[Q114 · Sep · 2021]
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Q2155
#2155
Physics → Laws of Motion and Forces → Newton's Laws of Motion
·
Moderate
Weight and mass of an object are defined with Newton's laws of motion. Which among the following is true?
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Playbook: Laws of Motion and Forces
A
Weight is a constant of proportionality.
B
Mass is a constant of proportionality.
C
Mass is not a constant of proportionality.
D
Weight is a universal constant.
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[Q115 · Sep · 2021]
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Q2156
#2156
Physics → Laws of Motion and Forces → Conservation of Momentum and Collisions
·
Easy
Fundamental laws of physics require
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Playbook: Laws of Motion and Forces
A
conservation of energy and non-conservation of charge.
B
conservation of charge and non-conservation of linear momentum.
C
conservation of charge and non-conservation of energy.
D
conservation of energy, momentum and charge.
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[Q116 · Sep · 2021]
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Q2157
#2157
Physics → Work, Energy and Power → Work and Work Done
·
Easy
Work is said to be one Joule when a force of
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Playbook: Work, Energy and Power
A
4 N moves an object by 25 cm.
B
2 N moves an object by 1 m.
C
1 N moves an object by 1 cm.
D
1 N moves an object by 50 cm.
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[Q117 · Sep · 2021]
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Q2158
#2158
Physics → Kinematics and Motion → Circular Motion
·
Easy
A uniform motion of a car along a circular path experiences
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Playbook: Kinematics and Motion
A
a change in speed due to a change in its direction of motion.
B
a change in velocity due to a change in its direction of motion.
C
a change in momentum due to no change in its direction of motion.
D
a constant momentum due to a change in its direction of motion.
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[Q118 · Sep · 2021]
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Q2159
#2159
Physics → Electricity and Magnetism → Combination of Resistors
·
Easy
Three equal resistors are connected in parallel configuration in a closed electrical circuit. Then the total resistance in the circuit becomes
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Playbook: Electricity and Magnetism
A
one-third of the individual resistance.
B
two-third of the individual resistance.
C
equal to the individual resistance.
D
three times of the individual resistance.
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[Q119 · Sep · 2021]
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Q2160
#2160
Physics → Modern Physics → Atomic Structure
·
Easy
Rutherford's alpha-particle
(
α
)
(\alpha)
(
α
)
scattering experiment was responsible for the discovery of which one of the following?
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Playbook: Modern Physics
A
Electron
B
Proton
C
Atomic Nucleus
D
Neutron
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[Q120 · Sep · 2021]
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Q2161
#2161
Physics → Modern Physics → Atomic Structure
·
Easy
What is the maximum number of electrons in the M-Shell?
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Playbook: Modern Physics
A
6
B
8
C
18
D
32
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[Q121 · Sep · 2021]
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Q2162
#2162
Chemistry → Atomic Structure and Periodic Classification → Isotopes and Isoelectronic Species
·
Easy
Chlorine occurs in nature in two isotopic forms of masses 35 u and 37 u in the ratio of 3 : 1 respectively. What is the average atomic mass of the Chlorine atom?
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Playbook: Atomic Structure and Periodic Classification
A
36
⋅
1
36 \cdot 1
36
⋅
1
u
B
35
⋅
5
35 \cdot 5
35
⋅
5
u
C
36
⋅
5
36 \cdot 5
36
⋅
5
u
D
35
⋅
1
35 \cdot 1
35
⋅
1
u
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[Q122 · Sep · 2021]
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Q2163
#2163
Chemistry → Chemistry in Everyday Life → Medicines and Health Chemistry
·
Easy
Which one of the following elements' isotopes is used in the treatment of cancer?
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Playbook: Chemistry in Everyday Life
A
Iodine
B
Sodium
C
Cobalt
D
Uranium
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[Q123 · Sep · 2021]
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Q2164
#2164
Chemistry → Metals and Non-Metals → Corrosion and Its Prevention
·
Easy
To protect steel and iron from rusting, a thin layer of which one of the following metals is applied?
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Playbook: Metals and Non-Metals
A
Magnesium
B
Zinc
C
Aluminium
D
Lead
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[Q124 · Sep · 2021]
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Q2165
#2165
Chemistry → Metals and Non-Metals → Extraction of Metals and Ores
·
Easy
Cinnabar is an ore of which one of the following?
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Playbook: Metals and Non-Metals
A
Copper
B
Zinc
C
Mercury
D
Manganese
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[Q125 · Sep · 2021]
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Q2166
#2166
Physics → Electricity and Magnetism → Magnetism and Magnetic Effects of Current
·
Moderate
Imagine a current-carrying straight conductor with magnetic field of lines in anti-clockwise direction. Then the direction of current is determined by
Add
Playbook: Electricity and Magnetism
A
the Right-Hand Thumb rule and it would be in the downward direction.
B
the Left-Hand Thumb rule and it would be in the downward direction.
C
the Right-Hand Thumb rule and it would be in the upward direction.
D
the Left-Hand Thumb rule and it would be in the upward direction.
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[Q126 · Sep · 2021]
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Q2167
#2167
Physics → Electricity and Magnetism → Electrical Devices
·
Easy
The device used to produce electric current is known as
Add
Playbook: Electricity and Magnetism
A
motor
B
generator
C
ammeter
D
galvanometer
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[Q127 · Sep · 2021]
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Q2168
#2168
Physics → Light and Optics → Human Eye and Optical Instruments
·
Easy
Myopia is a defect in human vision where an image of a
Add
Playbook: Light and Optics
A
nearby object is focused beyond the retina.
B
nearby object is focused before the retina.
C
distant object is focused before the retina.
D
distant object is focused beyond the retina.
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[Q128 · Sep · 2021]
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Q2169
#2169
Physics → Light and Optics → Light Phenomena and Spectrum
·
Easy
Tyndall effect is a phenomenon of
Add
Playbook: Light and Optics
A
scattering of light by the colloidal particles.
B
refraction of light by the colloidal particles.
C
dispersion of light by dust particles.
D
refraction of light by dust particles.
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[Q129 · Sep · 2021]
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Q2170
#2170
Physics → Light and Optics → Light Phenomena and Spectrum
·
Easy
Twinkling of stars is primarily due to the atmospheric
Add
Playbook: Light and Optics
A
refraction
B
reflection
C
polarization
D
dispersion
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[Q130 · Sep · 2021]
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Q2171
#2171
Biology → Human Physiology → Nervous System and Sense Organs
·
Moderate
Cornea in human eye
Add
Playbook: Human Physiology
A
is a light sensitive screen.
B
is a muscular diaphragm.
C
contains blood vessels.
D
is composed of proteins and cells.
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[Q131 · Sep · 2021]
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Q2172
#2172
Physics → Light and Optics → Lenses and Lens Formula
·
Easy
Power of a lens of focal length 25 cm is
Add
Playbook: Light and Optics
A
+
2
⋅
5
+2 \cdot 5
+
2
⋅
5
Dioptre
B
+
3
+3
+
3
Dioptre
C
+
4
+4
+
4
Dioptre
D
+
5
+5
+
5
Dioptre
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[Q132 · Sep · 2021]
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Q2173
#2173
Biology → Human Physiology → Digestive System and Enzymes
·
Easy
What is the total number of chambers in the stomach of domestic animals like cattle, buffalo, goat and sheep?
Add
Playbook: Human Physiology
A
Four
B
Two
C
One
D
Three
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[Q133 · Sep · 2021]
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Q2174
#2174
Biology → Human Physiology → Nutrition, Vitamins and Minerals
·
Easy
Intestinal bacteria are main source of which one of the following vitamins?
Add
Playbook: Human Physiology
A
Vitamin E
B
Vitamin C
C
Vitamin
B
12
\text{B}_{12}
B
12
D
Vitamin A
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[Q134 · Sep · 2021]
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Q2175
#2175
Biology → Human Physiology → Endocrine System and Hormones
·
Easy
Which one of the following hormones is responsible for the development of female sexual characters?
Add
Playbook: Human Physiology
A
Prolactin
B
Estrogen
C
Oxytocin
D
Progesterone
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[Q135 · Sep · 2021]
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