Which of the following is the pH value of pure water?
A)
0
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B)
7
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C)
8
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D)
1
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E)
None of these
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Consider the following two statements: Statement A: Solenoid with a iron core has strongest magnetism Statement B: Solenoid with a cobalt core has strongest magnetism Which of the following is correct with respect to the above statements?
A)
Statement A is correct.
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B)
Statement B is correct.
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C)
Statement A and B are correct.
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D)
Neither statement A nor statement B is correct.
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E)
None of these
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If 1 A of current passes for S hours through a conductor, and conductor has a resistance of 200 Ohms, then the heat produced through the circuit is:
A)
1200 kJ
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B)
1000 kJ
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C)
800 kJ
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D)
3600 kJ
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E)
None of these
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What is the current through the circuit, if a resistance of 5 Ohms is connected in series with another resistance of 8 Ohms and potential difference of 26 volts is applied across the combination?
A)
2 A
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B)
3 A
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C)
4 A
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D)
5 A
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E)
None of these
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If a resistance of 5 Ohms is connected in series with another resistance of 8 Ohms and potential difference of 26 volts is applied across the combination, then the potential difference across 8 Ohms resistance is:
A)
12 volts
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B)
14 volts
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C)
16 volts
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D)
18 volts
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E)
None of these
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Ovule becomes ____ after fertilization.
A)
Seed
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B)
Fruit
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C)
Leave
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D)
Stem
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E)
None of these
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Consider the following two statements: Statement A: Xylem carries material in down wards direction in plants. Statement B: Phloem carries material in both upward and downward directions in plants. Which of the following is correct with respect to the above statements?
A)
Statement A is correct.
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B)
Statement B is correct.
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C)
Statement A and B are correct.
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D)
Neither statement A nor statement B is correct.
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E)
None of these
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Which of the following is the thinking part of brain?
A)
Cerebrum
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B)
Pons
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C)
Medulla
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D)
Cerebellum
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E)
None of these
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Match the following:
1. -OH [a] Carboxylic acid group 2. -CHO [b] Alcohol group 3. -CO [c] Aldehyde group 4. -COOH [d] Ketone group
A)
1-B, 2-C, 3-D, 4-A
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B)
1-B, 2-A, 3-D, 4-C
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C)
1-D, 2-C, 3-A, 4-B
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D)
1-D, 2-B, 3-A, 4-C
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E)
None of these
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All the voluntary actions of a body are coordinated by:
A)
Cerebrum
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B)
Cranium
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C)
Optical lobs
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D)
Effective lobs
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E)
None of these
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What is electromagnetic induction?
A)
Production of induced current in coil due to relative motion between a magnet and the coil
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B)
Production of magnetic field when current is passed through a coil
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C)
Movement of conductor when placed in electric field
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D)
The process of charging a body
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E)
None of these
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Which of the following is true about an element that belongs to the group 1 of the periodic table?
A)
It is a metal
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B)
It is a non-metal
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C)
It is a noble gas
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D)
Both [b] and [c]
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E)
None of these
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What is the IUPAC name of the hydrocarbon given below?
A)
3, 4 - dimethyl 1 - Hexanol
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B)
3, 4 -dimethyl 1 - Hexanal
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C)
3, 4 - dimethyl 1 - Hexane
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D)
3, 4 - dimethyl 1 - Hexanoic acid
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E)
None of these
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Which of the following is an example of decomposition reaction?
A)
\[CuS{{O}_{4}}+Fe\to FeS{{O}_{4}}+Cu\]
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B)
\[2KN{{O}_{3}}\to 2KN{{O}_{2}}+{{O}_{2}}\]
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C)
\[{{C}_{2}}{{H}_{4}}+{{H}_{2}}\to {{C}_{2}}{{H}_{6}}\]
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D)
\[BaC{{l}_{2}}+{{H}_{2}}S{{O}_{4}}\to BaS{{O}_{4}}+{{O}_{2}}+2HCl\]
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E)
None of these
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In the following food chain, if 100J of energy is available at the producer level, then the energy transferred to man is: Plant\[\to \]goat\[\to \]man
A)
0.1 J
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B)
10 J
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C)
1 J
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D)
100 J
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E)
None of these
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Which one of the following is the oxidizing agent in given chemical reaction? \[3Mn{{O}_{2}}+4Al\to 3Mn+2Al{{O}_{3}}\]
A)
(a)\[{{O}_{2}}\]
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B)
\[Al\]
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C)
Mn
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D)
\[Mn{{O}_{2}}\]
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E)
None of these
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The magnetic field lines due to a straight wire carrying a current are
A)
straight
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B)
elliptical
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C)
circular
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D)
parabolic
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E)
None of these
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Splitting of white light into different colours on passing through a glass prism is known as:
A)
Reflection of light
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B)
Refraction of light
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C)
Diffraction of light
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D)
Dispersion of light
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E)
None of these
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Name the hydrocarbon whose structural formula has been given below.
A)
2- methylbutane
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B)
1-hexyne
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C)
Methyl-acetylene
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D)
2, 2-dimethylhexyne
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E)
None of these
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What is the general molecular formula of aldehydes?
A)
\[{{C}_{n}}{{H}_{2n+1}}O\]
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B)
\[{{C}_{n}}{{H}_{2n+2}}O\]
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C)
\[{{C}_{n}}{{H}_{2n}}O\]
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D)
\[{{C}_{n}}{{H}_{n}}O\]
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E)
None of these
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How many elements does the fourth period contain in the modern periodic table?
A)
8
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B)
18
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C)
2
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D)
32
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E)
None of these
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Which one of the following is a renewable source of energy?
A)
Wood
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B)
Natural gas
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C)
Coal
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D)
Petroleum
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E)
None of these
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