Which one of the following is not the limitation of Newlands Classification?
A)
This law is applicable only upto the elements calcium.
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B)
According to this law only 56 elements exist in nature and no new elements will be discovered in future.
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C)
There were two or more elements together at the same place and in the same column.
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D)
Elements were arranged in order of the increasing order of the atomic number.
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E)
None of these
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Which one of the following is the modern periodic law?
A)
The atomic mass of middle elements is equal to the average atomic mass of the two extreme elements.
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B)
The elements were arranged in the periodic table in the increasing order of their atomic mass.
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C)
The properties of the elements are the periodic functions of their atomic number.
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D)
The properties of the elements are the periodic functions of their isotopes.
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E)
None of these
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Which one of the following reactions is a precipitation reaction?
A)
\[Ca{{(OH)}_{2}}+C{{O}_{2}}\to CaC{{O}_{3}}+{{H}_{2}}O\]
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B)
\[BaC{{l}_{2}}+N{{a}_{2}}S{{O}_{4}}\to BaS{{O}_{4}}+2NaCl\]
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C)
\[2Pb{{(N{{O}_{3}})}_{2}}+Heat\to 2PbO+4N{{O}_{2}}+{{O}_{2}}\]
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D)
\[Fe+CUS{{O}_{4}}\to FeS{{O}_{4}}+CU\]
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E)
None of these
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In which part of the flame, complete combustion takes place?
A)
Central zone
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B)
Luminous zone
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C)
Outermost zone
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D)
Innermost zone
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E)
None of these
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The reaction given below shows that \[Pb(OH)N{{O}_{3}}\] is: \[Pb{{(OH)}_{2}}+HN{{O}_{3}}\to Pb(OH)N{{O}_{3}}+{{H}_{2}}O\]
A)
An acidic salt
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B)
Basic salt
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C)
Normal salt
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D)
Double salt
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E)
None of these
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Which one of the following is an example of amphoteric oxide?
A)
\[C{{O}_{2}}\]
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B)
\[S{{O}_{2}}\]
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C)
\[N{{a}_{2}}O\]
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D)
\[A{{l}_{2}}{{O}_{3}}\]
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E)
None of these
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The device shown below is used for concentration of ore. Which one of the following method of concentration of ore uses this device?
A)
Hydraulic Washing
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B)
Froth Foliation
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C)
Magnetic Separation
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D)
Chemical Method
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E)
None of these
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What is the IUPAC name of the compound shown below in the figure?
A)
1-Hexanol
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B)
3, 4-dimethyl 1-Hexanol
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C)
2, 4-dimethyl 1-Hexanol
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D)
3, 5-dimethyl 1-Hexanol
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E)
None of these
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Which one of the following is a saturated hydrocarbon?
A)
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B)
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C)
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D)
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E)
None of these
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The sodium salt of a long chain carboxylic acid, possessing cleansing property is:
A)
An ester
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B)
A detergent
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C)
A soap
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D)
A fat
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E)
None of these
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Find the position of image when the object is placed as shown in the figure given below.
A)
At F
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B)
Between F and C
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C)
At C
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D)
At Infinity
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E)
None of these
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Which defect of vision is caused due to high converging power of lens or due to elongation of eye ball?
A)
Myopia
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B)
Hypermetropia
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C)
Presbyopia
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D)
Astigmatism
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E)
None of these
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Calculate the resistivity of the copper wire of length 2 m and area of cross section \[1.7\times {{10}^{-6}}{{m}^{2}}\] has a resistance of\[2\times {{10}^{-2}}ohm\].
A)
\[1.7\times {{10}^{-9}}ohm\,\,meter\]
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B)
\[1.7\times {{10}^{-7}}ohm\,\,meter\]
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C)
\[1.7\times {{10}^{-8}}ohm\,\,meter\]
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D)
\[1.7\times {{10}^{-6}}ohm\,\,meter\]
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E)
None of these
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A current of 4 A flows through a 12 V car headlight bulb for 10 minutes. How much energy transfer occurs during this time?
A)
0.8 kWh
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B)
0.08 kWh
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C)
0.008 kWh
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D)
0.0008 kWh
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E)
None of these
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The magnetic line of force never intersect each other because:
A)
There cannot be two direction of force at the point of intersection.
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B)
There is no force at the point of intersection.
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C)
The force are parallel at the point of intersection.
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D)
The forces are perpendicular at the point of intersection.
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E)
None of these
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Which one of the following represents septum in the human heart as shown in the figure given below?
A)
1
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B)
2
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C)
3
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D)
4
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E)
None of these
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Which one of the following is contained in anther?
A)
Sepals
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B)
Ovules
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C)
Carpels
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D)
Pollen grains
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E)
None of these
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Which one of the following is not a sexually transmitted disease?
A)
T.B.
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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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A cross between two individuals results in a ratio of 9:3:3:1 for four possible phenotypes of progeny. This is an example of:
A)
Monohybrid cross
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B)
Dihybrid cross
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C)
Test cross
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D)
Second generation cross
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E)
None of these
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Find the amount of energy at the fourth trophic level of the food chain, if the first trophic level has 20,000 joule of energy.
A)
2000 J
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B)
200 J
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C)
20 J
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D)
2 J
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E)
None of these
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Which one of the following is the correct lens formula?
A)
\[\frac{1}{f}=\frac{1}{u}-\frac{1}{v}\]
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B)
\[\frac{1}{f}=\frac{1}{u}+\frac{1}{v}\]
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C)
\[\frac{1}{f}=\frac{1}{v}-\frac{1}{u}\]
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D)
\[\frac{1}{v}=\frac{1}{u}-\frac{1}{f}\]
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E)
None of these
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The space between eye lens and retina is filled with liquid called:
A)
Aqueous humor
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B)
Vitreous humor
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C)
Tears
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D)
Gel of protein
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E)
None of these
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Give the name of component of the electric circuit shown in the figure given below.
A)
Switch
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B)
Wire cross
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C)
Resistance
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D)
Cell
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E)
None of these
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Which one of the following graph satisfies ohms law?
A)
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B)
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C)
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D)
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E)
None of these
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Which one of the following options represents the direction of magnetic field in the figure given below?
A)
A
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B)
B
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C)
C
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D)
D
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E)
None of these
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Which one of the following helps in changing the direction of current in AC generator?
A)
Carbon Brush
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B)
Galvanometer
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C)
Slip Ring
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D)
Coil
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E)
None of these
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Which country use highest percentage of wind energy for generation of electricity?
A)
Germany
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B)
Denmark
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C)
India
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D)
Perth
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E)
None of these
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Which fuel given in options has highest calorific value?
A)
Hydrogen
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B)
LPG
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C)
Petrol
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D)
Wood
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E)
None of these
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A balanced chemical equation is in accordance with which one of the following laws given below?
A)
Law of conservation of energy
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B)
Law of conservation of mass
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C)
Law of constant proportion
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D)
Law of multiple proportion
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E)
None of these
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Which among the following is a balanced chemical equation?
A)
\[Mn{{O}_{2}}+4HCl\to MnC{{l}_{2}}+C{{l}_{2}}+2{{H}_{2}}O\]
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B)
\[Fe+{{H}_{2}}O\to F{{e}_{3}}{{O}_{4}}+{{H}_{2}}\]
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C)
\[Zn+HCl\to ZnC{{l}_{2}}+{{H}_{2}}\]
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D)
\[2KCl{{O}_{3}}\to 2KCl+{{H}_{2}}\]
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E)
None of these
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A salt on treatment with excess of ammonium hydroxide produces a complex tetraammine copper (II) ions, the salt contains:
A)
Cuprous ions
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B)
Cupric ions
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C)
Calcium ions
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D)
Chloride ions
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E)
None of these
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Which one of the following is not the allotropic forms of sulphur?
A)
Monoclinic sulphur
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B)
Rhombic sulphur
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C)
Milk of sulphur
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D)
Bulkminister fullerene
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E)
None of these
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The mixture of iron oxide and aluminium powder is called:
A)
Thermite
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B)
Gun powder
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C)
Cryolite
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D)
Malachite
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E)
None of these
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A dilute solution of ethanoic acid in water is called:
A)
Spirit
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B)
Denatured Alcohol
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C)
Aldehyde
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D)
Vinegar
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E)
None of these
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The process of producing unsaturated hydrocarbon from saturated hydrocarbon by heating it to high temperature is called:
A)
Reduction
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B)
Oxidation
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C)
Hydrogenation
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D)
Cracking
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E)
None of these
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Identify the transuranic elements from among the following.
A)
Ac
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B)
Th
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C)
Pa
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D)
Np
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E)
None of these
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Which one of the following is strongly acidic?
A)
\[C{{l}_{2}}{{O}_{7}}\]
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B)
\[N{{a}_{2}}O\]
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C)
\[MgO\]
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D)
\[{{P}_{2}}{{O}_{5}}\]
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E)
None of these
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Which one of the following is not a part of the kidney?
A)
Renal artery
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B)
Cortex
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C)
Medulla
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D)
Vena cava
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E)
None of these
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Which part of the brain controls the involuntary activities like salivation, vomiting, etc?
A)
Cerebrum
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B)
Medulla Oblongata
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C)
Pons
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D)
Mid Brains
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E)
None of these
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The outer most whorl which consists of sepals is called:
A)
Calyx
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B)
Corolla
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C)
Androecium
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D)
Gynoecium
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E)
None of these
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