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The ordinary sulphur exists as:
A)
S
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B)
\[{{S}_{4}}\]
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C)
\[{{S}_{2}}\]
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D)
\[{{S}_{8}}\]
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E)
None of these
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Which one of the following devices directly converts solar energy into electrical energy?
A)
Biogas plant
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B)
Solar cooker
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C)
Solar cell
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D)
Wind turbine
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E)
None of these
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Which one of the following metals has the lowest density?
A)
Gold
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B)
Copper
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C)
Iron
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D)
Potassium
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E)
None of these
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Mendeleev classified elements in order of increasing:
A)
atomic number
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B)
atomic mass
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C)
chemical reactivity
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D)
valency
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E)
None of these
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In human each kidney has large number of filtration units called ______.
A)
Neurons
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B)
Neptune
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C)
Neutrons
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D)
Nephrons
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E)
None of these
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Identify the place where fertilization takes place in the human body.
A)
Ovary
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B)
Oviduct
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C)
Vagina
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D)
Uterus
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E)
None of these
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Identify the evolutionary relationship found in the forelimb of frog, lizard, bird and man.
A)
Missing links
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B)
Hand relationship
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C)
Analogous organs
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D)
Homologous organs
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E)
None of these
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Which of the following is the correct food chain?
A)
Grass\[\to \]frog\[\to \]insect\[\to \]snake
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B)
Insect\[\to \]frog\[\to \]grass\[\to \]snake
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C)
Grass\[\to \]insect\[\to \]frog\[\to \]snake
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D)
Grass\[\to \]frog\[\to \]snake\[\to \]insect
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E)
None of these
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Conservation of wildlife includes _____
A)
ban on trading endangered species
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B)
construction of National parks and sanctuaries
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C)
preventing poaching of animals
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D)
All of these
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E)
None of these
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What is the chemical name of quicklime?
A)
Carbon dioxide
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B)
Calcium carbonate
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C)
Calcium hydroxide
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D)
Calcium oxide
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E)
None of these
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Which one of the following reaction will not take place?
A)
\[Mg+CuS{{O}_{4}}\to MgS{{C}_{4}}+Cu\]
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B)
\[Zn+FeS{{O}_{4}}\to ZnS{{O}_{4}}+Fe\]
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C)
\[2Kl+C{{l}_{4}}\to 2KCl+{{l}_{2}}\]
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D)
\[Fe(s)+ZnS{{O}_{4}}\to FeS{{O}_{4}}+Zn(s)\]
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E)
None of these
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Name the hydrocarbon given below.
A)
2-methyl butane
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B)
2 - methyl pentane
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C)
2, 2-dimethyl propane
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D)
2, 3 - methyl butane
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E)
None of these
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In which one of the following conditions a virtual, enlarged and erect image will be formed?
A)
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B)
done
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C)
done
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D)
done
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E)
None of these
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Asexual reproduction takes place through budding in:
A)
plasmodium
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B)
paramecium
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C)
hydra
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D)
leishmania
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E)
None of these
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Which one of the following is a plant hormone?
A)
Insulin
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B)
Thyroxin
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C)
Oestrogen
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D)
Cytokinin
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E)
None of these
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General formula of alkyne is:
A)
\[{{C}_{n}}{{H}_{2n+2}}\]
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B)
\[{{C}_{n}}{{H}_{2n-2}}\]
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C)
\[{{C}_{n}}{{H}_{2n}}\]
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D)
\[{{C}_{n}}{{H}_{n}}\]
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E)
None of these
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Which one of the following is not a noble gas?
A)
Argon
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B)
Xenon
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C)
Krypton
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D)
Radon
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E)
None of these
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Which one of the following sources provides evidences for evolution?
A)
Homologous organs
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B)
Analogous organs
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C)
Fossils
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D)
All of these
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E)
None of these
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If a 12V battery connected to the arrangement of resistances given below, calculate the total current flowing in the circuit.
A)
1.2 A
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B)
0.2 A
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C)
60 A
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D)
120 A
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E)
None of these
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Which one of the following periods in modern periodic table is incomplete?
A)
First period
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B)
Third period
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C)
Fourth period
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D)
Seventh period
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E)
None of these
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How much work is done, when a force of 200 N displaces a body by 30 m in the direction of applied force?
A)
8000 J
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B)
4000 J
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C)
6000 J
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D)
2000 J
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E)
None of these
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Which one of the following is responsible for the chemical coordination in animals?
A)
Hormones
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B)
Cytokinin
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C)
Gibberellins
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D)
Auxin
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E)
None of these
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