Q1.
The unit of Resistance in SI unit is
📅KU 2016
Q2.
Escape velocity of a body projected from earth:
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Q3.
If the two vectors V and V^1, having same magnitude, then which of the following is not true for the sum of their magnitude?
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Q4.
Geostationary satellite of earth:
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Q5.
Total internal reflection occur when the light passes from
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Q6.
Optical fiber is based on
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Q7.
When an aeroplane is moving with velocity 600 km/hr due east and return with 400 km/hr, then what is average speed if it travels same distance?
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Q8.
A cathode ray is:
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Q9.
Quantum theory is explained by
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Q10.
When the magnetic field is applied across the north and the positive charge is deflected toward the east then current flowing is:
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Q11.
A body is projected from P to O with velocity u m/sec. What will be the work done under gravity in these points when air resistance is neglected?
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Q12.
If the ammeter of resistance (R_A) is connected across the series and voltmeter of (R_v) across the parallel, then to measure the value of R:
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Q13.
A thief stole a book of weight 'w' and jump vertically down the wall. What is the apparent weight of the body before he reach the ground?
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Q14.
In the person who cannot see nearer than 25 cm,
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Q15.
Green house effect is caused by:
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Q16.
A sample with half life 2 hr is 64 times stronger than the safe amount. After how much time, it is safe to work with this sample?
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Q17.
At what position during SHM, the maximum kinetic energy is suspected?
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Q18.
If a body is projected with velocity V less than the escape velocity of earth, then the total energy of the projected body is:
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Q19.
What happens to the dispersive power of a prism when it is immersed in water?
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Q20.
When a monochromatic light passes in Young's double slit experiment then the resultant interference's fringe is:
📅Correct option is a)•Hint :•Young's double slit experiment proved beyond a shadow of a doubt that light is a wave. The superposition of light from two slits produces an interference pattern.•Step 1 : Explanation•Light with a single wavelength is referred to as monochromatic. •As a result, the interference fringes created on the screen have a straight line shape.• If instead of double slit experiment double hole experiment was given shape would have been hyperbola.•Therefore the correct option is 'a' Straight line.
Q21.
During photoelectric effect, the number of emitted electrons depend upon
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Q22.
The source of energy of sun is
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Q23.
A 5 kg mass with a string 1m length moves in a vertical circle with the velocity of 4 m/s. The net tension in the string is 130N. Then, the body is
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Q24.
When a man weighing 10 kg in a lift is accelerated downward with the acceleration of 1m/s^2 then apparent weight is:
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Q25.
When the convex lens of refractive index μ immersed in water of same refractive index (μ), then its focal length is:
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Q26.
At particular point, the acceleration due to gravity is always constant for same or different mass. This is because
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Q27.
When intrinsic semiconductor is dopped with impurity then conductivity is:
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Q28.
Forward biasing of p-n junction offers:
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Q29.
If the half time of a radioactive material is 1600 yrs, then the fraction of undecayed material after 4800 yrs is
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Q30.
The angle of polarization between reflected and refracted ray is
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Q31.
When phenol reacts with chloroform in alkaline medium, which is formed?
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Q32.
When ethene react with bromine, 1,3-dibromoethane is obtained. The intermediate in this reaction is:
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Q33.
CH_3 COOC_3 H_7 undergoes hydrolysis with NaOH to give:
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Q34.
Which statement about the element in the periodic table is correct?
📅Na is a giant structure of Metal.
Q35.
The bond length of O-O in ozone is:
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Q36.
Reason for the failure of Bohr's theory is
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Q37.
Order of basic strength is:
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Q38.
Which of the following is acid anhydride?
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Q39.
The rate of diffusion of x and y is 1:5 and the diffusion of y and z is 1:6, then the ratio of z and x is:
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Q40.
In Co(ClO_3 )_2, total no. of d-electron in Co is:
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Q41.
When mercuric chloride is reacted with potassium iodide then
📅HgCl_2 (→┴( +KI ))┬(−KCl) (HgI_2↓)┬(Scarlet red ppt) (→┴( +KI ))┬ (K_2 HgI_4)┬(Nessler′ s reagent)
Q42.
Faraday constant
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Q43.
CH_3 CHO and C_6 H_5 CH_2 OH can be separated by:
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Q44.
Iron is extracted from its ore as
2Fe_2 O_3+3C→4Fe+CO_2
The percentage atom economy of pure iron is
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Q45.
Railway wagon axles are made by heating rods of iron embedded in charcoal powder. It is:
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Q46.
CuSO4 solution is immersed in iron vessel then
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Q47.
Ca(OH)2 is used in the crop field
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Q48.
Reaction with AgNO3 is best suited for
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Q49.
When benzene reaction with chlorine in presence of sunlight, the product is:
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Q50.
When starch is treated with NH_4 CN and the product is treated with iodine, the successive color change takes place from:
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Q51.
During the esterification reaction,
CH_3 COOH+CH_3 OH→CH_3 COOCH_3+Energy
The equilibrium constant Kc is maintained by.
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Q52.
Gold doesn't react with HCl, but gets dissolved in aqua regia because:
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Q53.
Which of the following takes place during cannizarro reaction?
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Q54.
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Q55.
Which of the following helps in the nourishment of sperm?
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Q56.
Micro evolution takes place due to:
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Q57.
Nissl's granules is made from:
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Q58.
Collar cells are found in:
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Q59.
Non-nucleated RBC is found in:
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Q60.
The term biology was coined by:
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Q61.
Simple reflex arch is shown by:
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Q62.
Causative agent of Malaria is:
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Q63.
Protozoan group with 2 nuclei macro and micronucleus is:
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Q64.
Name the hormone that has no role in menstruation:
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Q65.
Which of the following helps in blood clotting?
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Q66.
Most common nitrogenous waste in blood is
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Q67.
What does pulse measure?
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Q68.
From secondary spermatocyte, the resulting formation of spermatids
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Q69.
Which of the following is not a secondary messenger?
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Q70.
Sphingomyelins are found in
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Q71.
When the blood leaving from liver and heading towards heart, which of the following is maximum?
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Q72.
In frog heart, which help aorta in ventricular contraction?
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Q73.
The addition of iodine in the thyroid of tadpole will:
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Q74.
In RBC, carbonic anhydrase catalyses the following:
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Q75.
Annual rings are distinct in plants growing in:
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Q76.
Which of the following isn't a form of asexual reproduction in plants?
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Q77.
Omega 3 fatty acid is found in:
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Q78.
Tracheophytes are:
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Q79.
Which of the following is wrong about compositae?
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Q80.
The number of ATP and NADH_2 needed in C_3 cycle is
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Q81.
Edible part of the mushroom is:
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Q82.
When fluidity of protoplast changes, least affected is:
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Q83.
Water goes from root to tip due to:
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Q84.
When the pollen grain transfer from the one flower to another flower in same plant, then
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Q85.
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Q86.
Maximum photosynthesis takes place:
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Q87.
Which of the following is harmful for storage of food?
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Q88.
In PS-II, if an isolated chloroplast is illuminated by light in presence of ferrodoxin, which will occur?
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Q89.
In fermentation of alcohol, which enzyme is needed?
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Q90.
Cellular totipotency is defined as
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Q91.
Energy begins in ecosystem by:
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Q92.
Seymouria is the connecting link between
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Q93.
A thorn of Bougainvillea and a tendril of cucurbita indicate
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Q94.
Bacteria can't grow in honey because
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