Which one of the following type of frictions comes into play when a book kept on cylindrical pencils is moved by pushing?
A)
Static friction
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B)
Rolling friction
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C)
Sliding friction
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D)
both sliding friction and rolling friction
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E)
None of these
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Which one of the following statements is not correct?
A)
LPG has a much higher calorific value than wood
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B)
LPG burns completely without leaving behind any solid residue but wood leaves behind a lot of ash on burning
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C)
LPG is a better domestic fuel than wood
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D)
All of these
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E)
None of these
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X is a microorganism. It can reproduce only inside a host cell. It means
A)
X is a bacterium
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B)
X is a virus
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C)
X is an amoeba
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D)
X is a hydra
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E)
None of these
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Which one of the following materials reacts with cold water vigorously?
A)
Carbon
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B)
Magnesium
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C)
Sodium
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D)
Sulphur
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E)
None of these
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Coal gas is a mixture of:
A)
Hydrogen
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B)
Methane
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C)
Carbon monoxide
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D)
All of these
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E)
None of these
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Which one of the following statements is not correct for manure?
A)
It enhances the water holding capacity of soil
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B)
It makes the soil porous due to which the exchanges of gases becomes easy
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C)
It increases the number of useful microbes in the soil
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D)
It improves the texture of soil
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E)
None of these
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Which one of the following is a pair of exhaustible natural resources?
A)
Water and forest
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B)
Sunlight and air
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C)
Air and coal
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D)
Natural gas and minerals
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E)
None of these
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Which one of the following cell organelles is present in cytoplasm?
A)
Mitochondria
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B)
Golgi bodies
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C)
Ribosomes
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D)
All of these
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E)
None of these
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X is a substance that does not burn with flame. Find X among the following options?
A)
Paper
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B)
Charcoal
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C)
Kerosene oil
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D)
LPG
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E)
None of these
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Which one of the following statements is correct for protozoa?
A)
Protozoa are a group of single-celled microorganisms
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B)
Protozoa can perform the process of photosynthesis
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C)
Protozoa do not causes any disease in human
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D)
The disease diphtheria is caused by protozoa
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E)
None of these
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Which one of the following is a reason for using bake lite for making the handles of cooking utensils?
A)
Bakelite is a good conductor of heat
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B)
Bakelite is a poor conductor of heat
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C)
Bakelite is a good conductor of electricity
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D)
Bakelite became soft on getting heated
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E)
None of these
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Snow leopard is an endangered species because:
A)
Snow leopard no longer exists anywhere on the earth
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B)
Population of snow leopard is diminishing
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C)
Snow leopard is found only on mountains
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D)
Snow leopard is found only in Kanha national park
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E)
None of these
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Which one of the following statements is no correct for a wildlife sanctuary?
A)
A wildlife sanctuary provides protection and suitable living condition to the wild animals in their natural habitat
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B)
In a wildlife sanctuary killing and capturing of wild animals are strictly prohibited
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C)
Local people form an integral part of a wildlife sanctuary
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D)
A wildlife sanctuary does not allow any human activity which disturbs the wild animals or their habitat
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E)
None of these
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A boy runs his toy car on four different surfaces given in options. Which surface will produce the least friction?
A)
Muddy surface
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B)
A cemented surface
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C)
Polished marble surface
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D)
Brick surface
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E)
None of these
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Pitch of sound is determined by its:
A)
frequency
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B)
speed
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C)
amplitude
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D)
loudness
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E)
None of these
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The function of chromosome is:
A)
transferring the characteristics from the parents to the offsprings through gens
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B)
producing energy for cellular activities
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C)
storing water soluble substances essential for cells
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D)
digesting toxic substances present in cell
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E)
None of these
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Which one of the following statements is not correct about reproduction in human?
A)
Fertilization takes place internally
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B)
Sperm fertilizes the egg in oviduct
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C)
Growth of fertilized eggs takes place in cervix
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D)
The zygote divides itself repeatedly to make an embryo
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E)
None of these
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Which one of the following is not a part of human male reproductive system?
A)
Testes
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B)
Scrota I sac
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C)
Epididymis
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D)
Fallopian tube
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E)
None of these
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The most conspicuous visible change that occurs in girls during puberty is:
A)
Increase in height
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B)
Production of eggs
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C)
Development in voice box
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D)
Increased sweating
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E)
None of these
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Which one of the following statements is correct?
A)
All female gametes have only X chromosomes
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B)
All female gametes have only Y chromosomes
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C)
All female gametes have Both X and Y chromosomes
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D)
Half of the female gametes have X chromosomes and remaining half have Y chromosomes
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E)
None of these
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In the figure given below, a container is filled with water. Which one of the following statements is correct about the pressure of water?
A)
Pressure at A > pressure at C > pressure at B
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B)
Pressure at C > pressure at A > pressure at B
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C)
Pressure at B > pressure at C > pressure at A
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D)
Pressure at C > pressure at B > pressure at A
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E)
None of these
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If an inflated balloon is rubbed with a piece of synthetic cloth and then pressed against a wall, the balloon sticks to the wall. Which one of the following forces is responsible for this?
A)
Frictional force
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B)
Magnetic force
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C)
Electrostatic force
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D)
Gravitational force
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E)
None of these
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A pendulum makes 100 oscillations in 15 seconds. What is the frequency of the pendulum?
A)
15 hertz
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B)
6 hertz
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C)
85 hertz
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D)
100 hertz
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E)
None of these
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In which one of the following cases chemical changes will take place?
A)
When a current is passed through a gold wire
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B)
When a current is passed through a copper wire
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C)
When a current is passed through a silver wire
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D)
When a current is passed through a sulphuric-acid solution
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E)
None of these
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Which one of the following statements is not correct about the structure of earth?
A)
The innermost part of the earth is called core
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B)
The core of earth is made up mainly of iron and nickel
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C)
The crust of earth is only 1 km thick
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D)
Mantle is mostly made of dense, solids rocks
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E)
None of these
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Which part of eye can change the curvature of eye lens and make it thin or thick according to the need of eye?
A)
Iris
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B)
Pupil
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C)
Cornea
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D)
Ciliary muscles
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E)
None of these
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Two mirrors X and Y are placed at right angles to each other as shown in the figure below.
A ray of light incident on mirror X at an angle of \[30{}^\circ \]falls on mirror Y after reflection. The angle of reflection for the ray reflected from Mirror Y would be:
A)
\[15{}^\circ \]
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B)
\[30{}^\circ \]
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C)
\[45{}^\circ \]
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D)
\[60{}^\circ \]
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E)
None of these
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Phases of the moon occur because
A)
We can see only that part of the Moon which reflects light towards us
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B)
Our distance from the Moon keeps changing
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C)
The shadow of the Earth covers only a part of Moon's surface
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D)
The thickness of the Moon's atmosphere is not constant
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E)
None of these
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Which one of the following statements is incorrect?
A)
Planet Mercury shows phases like Moon
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B)
The axis of rotation of Earth is slightly tilted with respect to the plane of its orbit around the Sun
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C)
Diameter of Jupiter is about 11 times the diameter of the Earth
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D)
Planet Uranus is made up mainly helium and nitrogen gases
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E)
None of these
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Nucleoplasm is separated from the cytoplasm by a thin membrane known as :
A)
Nuclear membrane
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B)
Cell membrane
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C)
Plasma membrane
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D)
Cell wall
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E)
None of these
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Select the pair which is related in the same way as the pair of words given in the question. Rubber: Latex : :........ : ...........
A)
Paper : Egg
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B)
Furniture : Wood
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C)
Yarn : Ore
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D)
Ore : Seed
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E)
None of these
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If M + N means M is the brother of N, M \[-\] N means M is the sister of N, M \[\times \] N means M is the mother of N and M \[\div \] N means M is the father of N, then which of the following would mean E is the paternal aunt of F ?
A)
\[E-G\div F\]
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B)
\[E+G\times F\]
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C)
\[E\times F-G\]
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D)
\[F\times G+E\]
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E)
None of these
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Pointing to a photograph a lady tells Mohan, "I am the only daughter of this lady and her son is your maternal uncle". How is the speaker related to Mohan's father?
A)
Wife
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B)
Sister-in-law
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C)
Mother
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D)
Daughter
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E)
None of these
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Find the number that does not follow the pattern. 4, 5, 14, 39, 103, 169, 290
A)
5
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B)
14
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C)
169
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D)
103
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E)
None of these
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Find the odd one out.
A)
CREATE - ETAERC
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B)
TAKE-EKAT
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C)
SCHOOL - LOOSCH
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D)
GREAT-TAERG
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E)
None of these
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A boy rode his bicycle northward, then turned left and rode 1 km and again turned left and rode 2 km. He found himself 1 km west of his starting point. How far did he ride northward initially?
A)
1 km
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B)
2 km
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C)
3 km
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D)
5 km
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E)
None of these
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SCIENTIST is coded in a certain language as ICSTNETSI. AMBULANCE will be coded in the same language as:
A)
MBUALNACA
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B)
BMAALUECN
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C)
MAUBALCNE
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D)
UBMLAECNA
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E)
None of these
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If OUT is coded as 152120, IN will be coded as;
A)
1015
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B)
819
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C)
1813
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D)
914
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E)
None of these
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Fill in the blank.
A)
3
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B)
8
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C)
10
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D)
14
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E)
None of these
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Ajay works more than Ram. Alok works as much as Raju. Pankaj works less than Alok. Ram works more than Alok. Who works the most of all?
A)
Ajay
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B)
Pankaj
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C)
Alok
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D)
Raju
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E)
None of these
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Read the statements given below. (i) Sickle is an agricultural implement which is used for harvesting. (ii) Hoe is an agricultural implement which is used for ploughing. (iii) Seed drill is an agricultural implement which is used for sowing. (iv) Sprinkler is an agricultural implement which is used for weeding. Which combination of statements is true?
A)
(i) and (ii)
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B)
(ii) and (iii)
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C)
(i) and (iii)
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D)
(ii) and (iv)
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E)
None of these
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Match the following.
(I) Chemicals added to food to prevent the growth of microorganisms [A] Vector (II) Nitrogen fixing microoraganisms present in the root nodules of legumes [B] Antibiotics (III) Agent which spreads pathogens form one place to another [C] Rhizobium (IV) Chemicals which kill or stop the growth of pathogens [D] Preservatives
A)
I-A, II-B, III-C, IV-D
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B)
I-A, II-C, III-B, IV-D
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C)
I-D, II-C, III-A, IV-B
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D)
I-B, II-A, III-C, IV-D
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E)
None of these
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Read the statements given below and fill up the blanks. (i) The meal that includes all ____a____ in right amount is a balanced diet. (ii) Insufficient production of ____b____ in the tadpoles leads to their incomplete development. (iii) Endocrine glands are also called glands. (iv) After attaining puberty boys develop a ____d____ voice.
A)
a - deep, b- ductless, c-nutrients, d- thyroxin
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B)
a-nutrients, b-thyroxin, c-ductless, d-deep
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C)
a-nutrients, b- ductless, c- thyroxin, d-deep
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D)
a-nutrients, b- deep, c-ductless, d- thyroxin
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E)
None of these
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Fill in the blanks. A chemical process in which a substance reacts with oxygen to give off heat is called _______. Wood, paper, CNG are _______ substances. The lowest temperature at which a substance catches fire is called its ______ temperature. The substances which have very low ignition temperature and can easily catch fire with aflame are called ______ substances. The amount of heat energy produced on complete combustion 1kg of a fuel is called its _____.
A)
combustible, combustion, ignition, calorific value, inflammable
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B)
combustion, ignition, combustible, in- flammable, calorific value
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C)
combustion, combustible, inflammable, ignition, calorific value
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D)
combustion, combustible, ignition, inflammable, calorific value
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E)
None of these
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Fill in the blanks. Hydra is a ______ organism. It reproduces by the method of ______ reproduction. In this process, a small outgrowth called ______ is formed on the side of its body by the repeated division of its cells. This bulge develops to form a small______ which finally detaches itself from the body of parent. This type of reproduction is known as______.
A)
single celled, asexual, tentacle, hydra, budding
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B)
multicellular, asexual, bud, hydra, budding
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C)
single celled, sexual, pseudopodia, amoeba, binary fission
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D)
multicellular, sexual, bud, hydra, binary fission
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E)
None of these
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Choose the correct statements from the following. (i) There can be a wildlife sanctuary within a biosphere reserve. (ii) Plants of a particular area are collectively termed as fauna. (iii) Deforestation leads to an increase in the water holding capacity of the soil. (iv) Bison is an endemic fauna of Panchmarhi bio- sphere reserve.
A)
i and iv
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B)
ii and iv
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C)
i and ii
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D)
ii and iii
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E)
None of these
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Choose the correct statements from the following. (i) External fertilization can occur both in water and on land. (ii) An embryo is made up of single cell. (iii) Each sperm is a single cell. (iv) Human egg has a head, body and tail. (v) The eggs of fish are covered by hard cells for protection.
A)
only i and ii
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B)
only ii
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C)
only iii
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D)
i, ii, iv and v
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E)
None of these
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The table given below has certain terms and four blank spaces named as A, B, C and D.
Cell Feature/part Function Amoeba A Movement Plant cell Plastid B C Spindle shaped Contraction Nerve cell D Stimuli and response
From the options given below choose the correct combination of terms.
A)
A - Pseudopodia; B - Photosynthesis, C - Branched; D - Muscle cell
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B)
A - Pseudopodia; B - Muscle cell, C - Branched; D - Photosynthesis
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C)
A - Pseudopodia; B - Photosynthesis, C - Muscle cell; D ? Branched
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D)
A - Photosynthesis; B - Pseudopodia, C - Muscle cell; D - Branched
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E)
None of these
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Look at the following figure and choose the correct option.
A)
L - Pinna; M - eardrum, N - ear canal O- Cochlea
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B)
L - Pinna; M - ear canal, N - eardrum O- Cochlea
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C)
L - eardrum; M - pinna, N - ear canal O- Cochlea
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D)
L - eardrum; M - ear canal, N - pinna O- Cochlea
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E)
None of these
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Consider the list of terms given below (i) Tsunami (ii) Landslide (iii) Floods (iv) Lightning Earthquakes can cause
A)
(i),(ii) and (iii)
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B)
(ii) and (iv)
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C)
(ii), (iii) and (iv)
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D)
(iii) and (iv)
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E)
None of these
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