Oxidation of oil and fat is called ____.
A)
rusting
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B)
corrosion
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C)
photosynthesis
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D)
rancidity
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E)
None of these
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Which of the following is the IUPAC name of the hydrocarbon\[{{C}_{4}}{{H}_{10}}\]?
A)
Ethane
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B)
Butane
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C)
Propene
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D)
Butyne
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E)
None of these .
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Which one of the following is the pH value of pure water?
A)
0
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B)
1
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C)
7
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D)
10
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E)
None of these
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Which of the following is the excretory organ in the earthworm?
A)
Nephron
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B)
Kidney
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C)
Contractile
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D)
Nephridium
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E)
None of these
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The heart is enclosed in a double-walled sac called____.
A)
pleura
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B)
placenta
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C)
bladder
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D)
pericardium
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E)
None of these
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Which one of the following is a parasite?
A)
Tapeworms
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B)
Hookworms
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C)
Leeches
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D)
All of these
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E)
None of these
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The process of getting back a full organism from its body parts is called ____.
A)
spore
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B)
fission
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C)
regeneration
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D)
pollination
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E)
None of these
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The electronic configuration of four elements A, B, C and D are given below. A: 2, 8, 1 B: 2, 8, 7 C: 2, 8, 8 D: 2, 4 Which of the following options is incorrect?
A)
Element A is a metal.
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B)
Element C is a noble gas.
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C)
Elements A and B will combine to form an ionic bond.
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D)
Elements B and D will combine to form covalent bond.
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E)
None of these
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The reaction \[AgN{{O}_{3}}(aq)+NaCl\to AgCl(s)+NaN{{O}_{3}}(aq)\]is:
A)
Composition reaction
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B)
Double displacement reaction
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C)
Oxidation and reduction reaction
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D)
Decomposition reaction
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E)
None of these
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Which gas is used to prevent food from rancidity?
A)
Carbon dioxide
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B)
Oxygen
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C)
Nitrogen
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D)
Carbon
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E)
None of these
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Match the following.
Column A Column B i. 2, 8, 3 a. Group 14 ii. 2, 8 b. Group 2 iii. 2, 8, 2 c. Group 8 iv. 2, 4 d. Group 13
A)
i\[\to \]a, ii\[\to \]b, iii\[\to \]c, iv\[\to \]d
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B)
i\[\to \]b, ii\[\to \]d, iii\[\to \]c, iv\[\to \]a
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C)
i\[\to \]c, ii\[\to \] a, iii\[\to \]b, iv\[\to \]d
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D)
i\[\to \]d, ii\[\to \]c, iii\[\to \]b, iv\[\to \]a
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E)
None of these
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The magnetic effect of current was discovered by:
A)
Oersted
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B)
Maxwell
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C)
Faraday
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D)
Fleming
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E)
None of these
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Calculate the total resistance between A and B in the figure given below.
A)
\[12\Omega \]
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B)
\[6\Omega \]
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C)
\[3\Omega \]
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D)
\[2\Omega \]
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E)
None of these
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An electric iron of resistance\[20\Omega \] takes a current of 5 A. Calculate the heat developed in 30 seconds.
A)
51 KJ
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B)
15 KJ
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C)
12 KJ
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D)
21 KJ
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E)
None of these
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Calculate the amount of energy available to lion in the following food chain if plants have 10,000 J of energy available from the Sun.
A)
10 J
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B)
2J
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C)
1J
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D)
20 J
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E)
None of these
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Which gland controls the functioning of all the other glands?
A)
Adrenal gland
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B)
Thyroid gland
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C)
Thymus gland
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D)
Pituitary gland
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E)
None of these
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The genetic constitution of an organism is called its:
A)
phenotype
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B)
variation
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C)
DNA
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D)
genotype
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E)
None of these
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Mendelian monohybrid phenotypic ratio is ____.
A)
1:3
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B)
3:1
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C)
3:3
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D)
2:1
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E)
None of these
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____ is the study of fossils.
A)
Pedagogy
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B)
Evolution
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C)
Ornithology
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D)
Palaeontology
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E)
None of these
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Match the following.
Column A Column B i. lonic bond a. Water ii. Single covalent b. Copper sulphate bond iii. Double covalent c. Carbon tetrachloride bond iv. Polar covalent d. Ethene bond
A)
i\[\to \]a, ii\[\to \]b, iii\[\to \]c, iv\[\to \]d
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B)
i\[\to \]b, ii\[\to \]c, iii\[\to \]d, iv\[\to \]a
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C)
i\[\to \]d, ii\[\to \]a, iii\[\to \]b, iv\[\to \]c
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D)
i\[\to \]c, ii\[\to \]b, iii\[\to \]d, iv\[\to \]a
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E)
None of these
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Which of these is not a sexually transmitted disease?
A)
Typhoid
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B)
AIDS
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C)
Gonorrhoea
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D)
Syphilis
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E)
None of these
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The rate of photosynthesis depends upon the ____.
A)
quality of light
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B)
quantity of light
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C)
quantity of water
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D)
All of these
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E)
None of these
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