John: Generally in summer when most of the water gets lost from the body by perspiration, the urine passed out is hypertonic. Alia: In winter as there is no perspiration, the urine passed out is hypotonic. Who is correct?
A)
John
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B)
Alia
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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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Find the equivalent resistance of the given circuit.
A)
\[6.3\,\,\Omega \]
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B)
\[12\,\,\Omega \]
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C)
\[22\,\,\Omega \]
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D)
\[3.3\,\,\Omega \]
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E)
None of these
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If the magnification of an object of size 1 m is 5, then what is the size of the image?
A)
5 cm
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B)
2 cm
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C)
10 cm
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D)
20 cm
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E)
None of these
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Which one of the following is the work done in moving a unit charged across two points in an electric circuit?
A)
Current
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B)
Potential difference
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C)
Power
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D)
Resistance
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E)
None of these
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Name the part marked by letter X in the picture below.
A)
Ureter
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B)
Medulla
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C)
Cortex
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D)
All of these
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E)
None of these
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What kind of reaction takes place when silver bromide is exposed to sunlight?
A)
Decomposition reaction
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B)
Combination reaction
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C)
Displacement reaction
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D)
Double displacement reaction
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E)
None of these
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Which one of the following is used for removing permanent hardness of water?
A)
\[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\]
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B)
\[NaCI\]
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C)
\[CaOC{{l}_{2}}\]
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D)
\[NaOH\]
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E)
None of these
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Winding of tendrils of plants around a bamboo stick is an example of:
A)
Phototropism
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B)
Geotropism
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C)
Chemotropism
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D)
Hydrotropism
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E)
None of these
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Microscopic organisms freely floating on the surface of water in a pond are called:
A)
Herbivorous
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B)
Planktons
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C)
Carnivorous
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D)
Producers
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E)
None of these
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The strength of magnetic field produced bya current carrying solenoid is affected by:
A)
The number of turns in the coil
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B)
Current flowing in the coil
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C)
The nature of core material used for making solenoid
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D)
All of these
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E)
None of these
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Match the following:
1.
\[ZnO\]
(A)
Acidic oxide
2.
\[C{{O}_{2}}\]
(B)
Amphoteric oxide
3.
\[CO\]
(C)
Basic oxide
4.
\[N{{a}_{2}}O\]
(D)
Neutral oxide
A)
1 - A, 2 - C, 3 - D, 4 - B
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B)
1 - B, 2 - A, 3 - D, 4 - C
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C)
1 - D, 2 - A, 3 - B, 4 - C
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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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Which one of the following places in the cell, pyruvate breaks down?
A)
Cytoplasm
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B)
Mitochondria
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C)
Chloroplast
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D)
Nucleus
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E)
None of these
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Which one of the following plants was used by Mendel to perform the experiments on heredity?
A)
Mint Plant
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B)
Potato Plant
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C)
Pea plant
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D)
Tulsi Plant
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E)
None of these
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Which one of the following pH level of river water indicates that the water in river is polluted?
A)
8
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B)
9
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C)
4
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D)
7
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E)
None of these
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The far point of a myopic person is 60 cm in front of the eye, ___ power of lens is required to correct the defect.
A)
\[+\,\,1.66\text{ }dioptre\]
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B)
\[-\,\,1.66\text{ }dioptre\]
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C)
\[+\,\,1.2\text{ }dioptre\]
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D)
\[-\,\,\,1.2\text{ }dioptre\]
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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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Consider the following two statements: Statement A: Fleming's right-hand rule is used to find the current induced in a coil due to its rotation in a magnetic field. Statement B: Fleming's left-hand rule is used to find the force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it. 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)
Statement B is correct and statement A is wrong.
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Which one of the following is a displacement reaction?
A)
\[C+{{O}_{2}}\to C{{O}_{2}}\]
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B)
\[CaC{{O}_{3}}\to CaO+C{{O}_{2}}\]
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C)
\[CuS{{O}_{4}}+Fe\to FeS{{O}_{4}}+Cu\]
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D)
All of these
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E)
None of these
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In flowering plants male gametes are present in _______.
A)
Receptacle
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B)
Sepals
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C)
Pollen grains
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D)
Petals
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E)
None of these
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If the radius of curvature of a spherical mirror is 40 cm, what is its focal length?
A)
40 cm
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B)
80 cm
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C)
20 cm
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D)
10 cm
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E)
None of these
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A current of 4 A flows through a 12 Year 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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Einstein's mass-energy relation is:
A)
\[E=m{{c}^{3}}\]
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B)
\[E={{m}^{2}}c\]
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C)
\[E=m{{c}^{2}}\]
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D)
\[E={{m}^{2}}{{c}^{2}}\]
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E)
None of these
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Which one of the following is produced if dilute hydrochloric acid is added to iron filings?
A)
Ferrous oxide and hydrogen gas
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B)
No reaction will take place
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C)
Hydrogen gas and iron
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D)
Hydrogen gas and iron chloride
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E)
None of these
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Which one of the following is the IUPAC name of \[{{C}_{2}}{{H}_{5}}OH\]?
A)
Ethanol
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B)
Propanol
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C)
Methanol
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D)
Butanol
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E)
None of these
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Name the part marked by letter X in the picture below.
A)
Pancreas
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B)
Parathyroid gland
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C)
Thyroid gland
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D)
Pituitary gland
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E)
None of these
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Asexual reproduction takes place through budding in_______.
A)
Amoeba
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B)
Yeast
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C)
Plasmodium
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D)
Leishmania
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E)
None of these
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Which one of the following is correct about the uses of hydrochloric acid?
A)
Toilet cleaner
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B)
Pickling of metals
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C)
Digestion of food
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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 organs control the amount of light entering into our eyes?
A)
Cornea
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B)
Pupil
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C)
Retina
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D)
ciliary muscles
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E)
None of these
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Which one of the following is the correct molecular formula of potash alum?
A)
\[3{{H}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]
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B)
\[C{{l}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]
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C)
\[N{{a}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]
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D)
\[{{K}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O\]
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E)
None of these
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If the refractive index of water for light going from air to water is 1.5 then what will be the refractive index for light going from water to air?
A)
0.66
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B)
0.55
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C)
3
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D)
6
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E)
None of these
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Which one of the following fuels has lowest calorific value?
A)
Coal
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B)
Alcohol
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C)
Diesel
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D)
Dung cakes
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E)
None of these
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Match the following:
1. Generator (A) Converts electrical energy to mechanical energy 2. Motor (B) Converts mechanical energy to electrical energy 3. Voltmeter (C) Measures electrical current in circuit 4. Ammeter (D) Measures voltage of electric circuit
A)
1 - B, 2 - A, 3 - D, 4 - C
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B)
1 - D, 2 - C, 3 - A, 4 - B
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C)
1 - B, 2 - D, 3 - C, 4 - A
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D)
1 - B, 2 - A, 3 - C, 4 - D
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E)
None of these'
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Which one of the following types of virus is given in the picture below?
A)
HIV
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B)
Hepatitis B
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C)
Tuberculosis
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D)
All of these
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E)
None of these
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One atomic mass unit is equal to:
A)
\[1.492\times {{10}^{-10}}J\]
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B)
\[1.492\times {{10}^{-8}}J\]
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C)
\[1.7\times {{10}^{-10}}J\]
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D)
\[1.7\times {{10}^{-8}}J\]
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E)
None of these
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Jolly: Non lustrous and dull appearance of non- metals are due to the absence of free electrons in non-metals. John: Non-metals have low melting and boiling point as compare to metals. Who is correct?
A)
Jolly
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B)
John
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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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Consider the following statements: Statement 1: Electromagnet is a solenoid with a soft iron core. Statement 2: Permanent magnet is made of steel. Which one of the following is correct about the above statements?
A)
Both statements are true
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B)
Both statements are false
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C)
Statement 1 is true and 2 is false
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D)
Statement 1 is false and 2 is true
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E)
None of these
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Name the glands which produce melatoxin.
A)
Parathyroid glands
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B)
Pineal gland
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C)
Adrenal gland
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D)
All of these
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E)
None of these
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Calculate the magnitude of current if an electric bulb is rated 100 W-220 V.
A)
0.45 A
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B)
1 A
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C)
1.22 A
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D)
0.90 A
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E)
None of these
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_______is colourless, as it lacks haemoglobin containing erythrocytes.
A)
Plasma
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B)
Lymph
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C)
Platelets
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D)
All of these
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E)
None of these
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Name the following chemical reaction. Copper + Oxygen + Carbon dioxide + Water
A)
Corrosion of copper
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B)
Electroplating of copper
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C)
Distillation of copper
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D)
All of these
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E)
None of these
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