Gillchrist: Hybridation is a techniques used for developing new varieties of crops by cross breading of two different varieties. Goldy: The process of conversion of inorganic nitrogen compounds into organic compounds that become a part of living organisms is called nitrogen assimilation. Who is correct?
A)
Gillchrist
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B)
Goldy
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C)
Both are correct
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D)
Both are incorrect
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E)
None of these
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Match the following:
1 Nobel metals [A] Neon, argon and helium 2 Halogen family [B] Steel, brasses and bronze 3 Nobel gasses [C] Platinum, gold and silver 4 Alloys [D] Chlorine, bromine and iodine.
A)
1-C, 2-A, 3-D, 4-B
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B)
1-C, 2-D, 3-A, 4-B
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C)
1-B, 2-D, 3-A, 4-C
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D)
1-C, 2-B, 3-A, 4-D
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E)
None of these
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The Braille system is a method of writing for the blind. Which one of the following letters is correct for the given Braille code?
A)
P
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B)
S
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C)
A
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D)
Q
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E)
None of these
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Which one of the following gases is produced when sodium hydroxide reacts with aluminium?
A)
Oxygen
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B)
Hydrogen
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C)
Carbon dioxide
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D)
Water vapor
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E)
None of these
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What is the SI unit of the pressure?
A)
\[N/{{m}^{2}}\]
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B)
\[N/m\]
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C)
\[Nm\]
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D)
\[N{{m}^{2}}\]
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E)
None of these
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In which one of the following methods of reproduction, the parent organism divides to form two new organisms?
A)
Binary fission
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B)
Budding
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C)
Fragmentation
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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 organism is shown in the figure given below?
A)
Virus
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B)
Bacteria
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C)
Protozoa
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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 will displace copper from a solution of copper sulphate?
A)
Al
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B)
Fe
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C)
Mg
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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 gives the petroleum gas, petrol, kerosene, diesel and paraffin wax?
A)
Coal
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B)
Fractional distillation of petroleum
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C)
Biogas
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D)
Anaerobic fermentation of cattle dung and domestic sewage
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E)
None of these
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Which one of the following steps involves in the nitrogen cycle?
A)
Nitrogen fixation
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B)
Ammonification
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C)
Denitrification
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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 substance is formed when vinegar and baking soda are mixed together?
A)
Sodium acetate
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B)
Carbon dioxide
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C)
Water
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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 is correct about synthetic fibres?
A)
Synthetic fibres are less expensive and readily available.
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B)
Synthetic fibres do not shrink.
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C)
Synthetic fibres are quite lightweight.
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D)
All of these
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E)
None of these
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A vibrating body completes 30 oscillations in 2 seconds. What is the frequency of the vibrating body?
A)
5 hertz
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B)
10 hertz
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C)
15 hertz
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D)
20 hertz
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E)
None of these
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The disease due to which a person cannot see the distant object clearly, though he can see the nearby obects clearly is known as:
A)
Myopia
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B)
Hypermetropia
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C)
Cataract
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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 microorganisms reproduce and multiply only inside the cells of other organisms?
A)
Bacteria
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B)
Virus
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C)
Protozoa
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D)
Algae
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E)
None of these
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A meteor, which does not burn up completely on entering the earth's atmosphere and reaches on the surface of the earth, is called:
A)
Comets
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B)
Meteorites
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C)
Shooting star
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D)
Asteroids
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E)
None of these
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Pinna is a part of:
A)
Outer ear
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B)
Middle ear
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C)
Inner ear
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D)
All of these
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E)
None of these
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The process of a bird moving from one place to another according to the season is called:
A)
Hibernation
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B)
Migration
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C)
Extinction
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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 types of force works when you run the comb through hair a few times and hold the comb over small pieces of paper?
A)
Magnetic force
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B)
Gravitational force
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C)
Electrostatic force
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D)
Frictional force
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E)
None of these
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Match the following:
1 Bleaching powder [A] Disinfects water 2 Alum [B] A water-borne disease 3 Ceramic candles [C] Helps the suspended particles to settle down quickly 4 Typhoid [D] Water filter
A)
1-A, 2-B, 3-C, 4-D
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B)
1-A, 2-B, 3-D, 4-C
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C)
1-A, 2-C, 3-D, 4-B
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D)
1-A, 2-C, 3-B, 4-D
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E)
None of these
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Breaking down of a compound into simpler form by passing electric current is called:
A)
Decomposition
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B)
Cracking
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C)
Electrolysis
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D)
Catenation
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E)
None of these
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Europa is the natural satellite of which planet?
A)
Jupiter
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B)
Mars
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C)
Saturn
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D)
Pluto
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E)
None of these
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In the figure given below, where will be the image formed?
A)
At infinity
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B)
Beyond C
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C)
At C
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D)
Between C and F
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E)
None of these
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Which one of the following planets takes maximum time to complete one revolution around the sun?
A)
Neptune
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B)
Uranus
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C)
Venus
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D)
Saturn
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E)
None of these
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The sound which enters into our ear is not of high amplitude. They are amplified inside our ear. The part of the ear which does this work is:
A)
Ear Drum
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B)
Hammer, Anvil and Stirrup
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C)
Ear Canal
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D)
Cochlea
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E)
None of these
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Which one of the following types of substance is formed when magnesium wire burns in the presence of oxygen and white flame of magnesium oxide is dissolved in water?
A)
Base
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B)
Acid
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C)
Neutral
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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 nonmetals is used in making electrodes in dry cells and electric arcs?
A)
Graphite
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B)
Phosphorous
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C)
Hydrogen
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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 is the data book maintained by IUCN and provides data on population status of species?
A)
Red data book
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B)
Blue data book
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C)
Yellow data book
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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 is the control centre of the cell?
A)
Protoplasm
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B)
Cytoplasm
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C)
Mitochondria
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D)
Nucleus
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E)
None of these
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A force of 10 N acts on an area of\[0.1\,\,{{m}^{2}}\]. If the force is kept the same but the area is reduced to half, which one of the following is true?
A)
The pressure does not change
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B)
The pressure reduces to half
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C)
The pressure increases by 1.5 times.
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D)
The pressure doubles
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E)
None of these
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Which one of the following wave form represents the louder sound?
A)
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B)
done
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C)
done
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D)
All of these
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E)
None of these
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What happens when a charged electroscope is connected to an uncharged electroscope by a metal wire?
A)
No charges flow through the wire.
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B)
Positive charge flows through the wire.
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C)
Negative charge flows through the wire,
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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 polarities of LED is correct?
A)
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B)
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C)
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D)
All of these
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E)
None of these
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How many images are formed when two or more plane mirrors are placed parallel?
A)
4
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B)
3
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C)
Twice of the total number of mirrors used.
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D)
Infinite
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E)
None of these
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The cell involved in sexual reproduction are called:
A)
Ovary
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B)
Gametes
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C)
Foetus
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D)
Embrayo
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E)
None of these
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Which one of the following is a constellation?
A)
Orion
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B)
Cassiopeia
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C)
Scorpius
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D)
All of these
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E)
None of these
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What happens in the given condition when a metale and copper plate are connected across electric source?
A)
Electroplating of sulphur
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B)
Electroplating of copper
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C)
No reaction takes place
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D)
Evaporation of copper sulphate takes place.
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E)
None of these
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________ are compounds used in refrigerators, air conditioners and aerosols.
A)
Chlorofluorocarbons
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B)
Lead
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C)
Nitrogen dioxide
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D)
All of these
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E)
None of these
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Which of the following is called 'Power house of the cell'?
A)
Protoplasm
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B)
Vacuoles
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C)
Mitochondria
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D)
Nucleus
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E)
None of these
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Two forces A and B act on an object in opposite directions. A is bigger than B. The net force on the object Is:
A)
A + B acting in the direction of A.
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B)
\[\text{A}-\text{B}\] acting in the direction of A.
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C)
A + B acting in the direction of B.
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D)
\[\text{A}-\text{B}\] acting in the direction of B.
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E)
None of these
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