Entrance Exams Question and Answers

Physics Most Viewed Questions

1. The condition for a uniform spherical mass m of radius r to be a black hole is [G = gravitational constant and g = acceleration due to gravity]

AIIMS 2005 Gravitation

2. The charge deposited on 4 $\mu$F capacitor in the circuit is

KCET 2009 Electrostatic Potential And Capacitance

3. The potential to which a conductor is raised, depends on ........

KCET 2005 Electrostatic Potential And Capacitance

4. In the circuit shown, the currents $i_1$ and $i_2$ are ___________

KCET 2011 Current Electricity

5. The magnitude of $I$ in ampere unit is

KCET 2005 Current Electricity

6. The refractive index of a particular material is 1.67 for blue light, 1.65 for yellow light and 1.63 for red light. The dispersive power of the material is .........

KCET 2004 Electrostatic Potential And Capacitance

7. In a permanent magnet at room temperature

KCET 2019 Moving Charges And Magnetism

8. An antenna uses electromagnetic waves of frequency 5 MHz. For proper working, the size of the antenna should be

KCET 2019 Communication Systems

9. In the following circuit, what are P and Q?

KCET 2019 Semiconductor Electronics: Materials Devices And Simple Circuits

10. An electron of mass $m_e$ and a proton of mass $m_p$ are moving with the same speed. The ratio of their de-Broglie's wavelengths $\lambda_{e } / \lambda_p$ is.........

KCET 2011 Dual Nature Of Radiation And Matter

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Chemistry Most Viewed Questions

1. The major product of the following reaction is

IIT JEE 2008 Haloalkanes and Haloarenes

2. The synthesis of alkyl fluorides is best accomplished by

JEE Main 2015 Haloalkanes and Haloarenes

3. The synthesis of alkyl fluorides is best accomplished by

JEE Main 2015 Haloalkanes and Haloarenes

4. Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is

KCET 2019 Solutions

5. Which cleansing agent gets precipitated in hard water?

KCET 2019 Chemistry in Everyday Life

6. One litre solution of MgCl₂ is electrolyzed completely by passing a current of 1A for 16 min 5 sec. The original concentration of MgCl₂ solution was (Atomic mass of Mg = 24)

KCET 2019 Electrochemistry

7. A mixture of NaCl and K₂Cr₂O₇ is heated with conc. H₂SO₄, deep red vapours and formed. Which of the following statement is false?

KCET 2019 The d-and f-Block Elements

8. The elements in which electrons are progressively filled in 4f orbital are called

KCET 2019 The d-and f-Block Elements

9. A non-volatile solute, ‘A’ tetramerises in water to the extent of 80%. 2.5 g of ‘A’ in 100 g of water, lowers the freezing point by 0.3 °C. the molar mass of Å in mol L^-1 is (K_f for water = 1.86 K kg mol^-1)

KCET 2019 Solutions

10. 0.1 mole of XeF₆ is treated with 1.8 g of water. The product obtained is

KCET 2019 The p-Block Elements - Part2

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Mathematics Most Viewed Questions

1. The locus represented by $xy + yz = 0$ is

KCET 2018 Three Dimensional Geometry

2. The number of terms in the expansion of $(x^2 +y^2 )^{25} - (x^2 - y^2)^{25} $ after simplification is

KCET 2019 Binomial Theorem

3. Foot of the perpendicular drawn from the point (1, 3, 4) to the plane 2x - y + z + 3 = 0 is

KCET 2019 Three Dimensional Geometry

4. The area of the region above X-axis included between the parabola $y^2 = x$ and the circle $x^2 + y^2 = 2x$ in square units is

KCET 2019 Application of Integrals

5. If $P$ and $Q$ are symmetric matrices of the same order then $PQ - QP$ is

KCET 2019 Matrices

6. If $^nC_{12}= ^nC_{6}$ then $^nC_{2}$=.........

KCET 2005 Permutations and Combinations

7. The area of the region bounded by Y-axis, y = cos x and y = sin x 0 $\le$ x $\le \frac{\pi}{2}$ is

KCET 2019 Application of Integrals

8. $\int x^{3} \sin 3x dx =$

KCET 2019 Integrals

9. If $3A + 4B' = $$\begin{bmatrix}7&-10&17\\ 0&6&31\end{bmatrix} $ and $2B - 3A'$ $ \begin{bmatrix}-1&18\\ 4&0\\ -5&-7\end{bmatrix}$ then $B =$

KCET 2019 Matrices

10. The equation of the curve passing through the point (1, 1) such that the slope of the tangent at any point (x, y) is equal to the product of its co-ordinates is

KCET 2019 Differential Equations

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Biology Most Viewed Questions

1. T.O. Diener discovered a

AIPMT 2009 Biological Classification

2. Uridine present only in RNA is

NEET 2013 Molecular Basis of Inheritance

3. Uridine present only in RNA is

NEET 2013 Molecular Basis of Inheritance

4. The brain capacity of Homo habilis

KCET 2019 Evolution

5. The historic convention related to conservation of biological diversity is also known as

KCET 2019 Biodiversity and Conservation

6. Mitotic spindle is mainly composed of which protein?

AIPMT 2002 Cell Cycle and Cell Division

7. Of the total incident solar radiation the percentage Photosynthetically Active Radiation (PAR) captured by the plants

KCET 2019 Ecosystem

8. Which one of the following ecosystem has the highest annual net primary productivity?

KCET 2019 Ecosystem

9. Capacitation occurs in

NEET 2017 Human Reproduction

10. Khorana first deciphered the triplet codons of

AIPMT 1992 Molecular Basis of Inheritance

Physics Most Viewed Questions

1. The condition for a uniform spherical mass m of radius r to be a black hole is [G = gravitational constant and g = acceleration due to gravity]

2. The charge deposited on 4 $\mu$F capacitor in the circuit is

3. The potential to which a conductor is raised, depends on ........

4. In the circuit shown, the currents $i_1$ and $i_2$ are ___________

5. The magnitude of $I$ in ampere unit is

6. The refractive index of a particular material is 1.67 for blue light, 1.65 for yellow light and 1.63 for red light. The dispersive power of the material is .........

7. In a permanent magnet at room temperature

8. An antenna uses electromagnetic waves of frequency 5 MHz. For proper working, the size of the antenna should be

9. In the following circuit, what are P and Q?

10. An electron of mass $m_e$ and a proton of mass $m_p$ are moving with the same speed. The ratio of their de-Broglie's wavelengths $\lambda_{e } / \lambda_p$ is.........

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Chemistry Most Viewed Questions

1. The major product of the following reaction is

2. The synthesis of alkyl fluorides is best accomplished by

3. The synthesis of alkyl fluorides is best accomplished by

4. Relative lowering of vapour pressure of a dilute solution of glucose dissolved in 1 kg of water is 0.002. The molality of the solution is

5. Which cleansing agent gets precipitated in hard water?

6. One litre solution of MgCl2 is electrolyzed completely by passing a current of 1A for 16 min 5 sec. The original concentration of MgCl2 solution was (Atomic mass of Mg = 24)

7. A mixture of NaCl and K2Cr2O7 is heated with conc. H2SO4, deep red vapours and formed. Which of the following statement is false?

8. The elements in which electrons are progressively filled in 4f orbital are called

9. A non-volatile solute, ‘A’ tetramerises in water to the extent of 80%. 2.5 g of ‘A’ in 100 g of water, lowers the freezing point by 0.3 °C. the molar mass of Å in mol L-1 is (Kf for water = 1.86 K kg mol-1)

10. 0.1 mole of XeF6 is treated with 1.8 g of water. The product obtained is

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Mathematics Most Viewed Questions

1. The locus represented by $xy + yz = 0$ is

2. The number of terms in the expansion of $(x^2 +y^2 )^{25} - (x^2 - y^2)^{25} $ after simplification is

3. Foot of the perpendicular drawn from the point (1, 3, 4) to the plane 2x - y + z + 3 = 0 is

4. The area of the region above X-axis included between the parabola $y^2 = x$ and the circle $x^2 + y^2 = 2x$ in square units is

5. If $P$ and $Q$ are symmetric matrices of the same order then $PQ - QP$ is

6. If $^nC_{12}= ^nC_{6}$ then $^nC_{2}$=.........

7. The area of the region bounded by Y-axis, y = cos x and y = sin x 0 $\le$ x $\le \frac{\pi}{2}$ is

8. $\int x^{3} \sin 3x dx =$

9. If $3A + 4B' = $$\begin{bmatrix}7&-10&17\\ 0&6&31\end{bmatrix} $ and $2B - 3A'$ $ \begin{bmatrix}-1&18\\ 4&0\\ -5&-7\end{bmatrix}$ then $B =$

10. The equation of the curve passing through the point (1, 1) such that the slope of the tangent at any point (x, y) is equal to the product of its co-ordinates is

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Biology Most Viewed Questions

1. T.O. Diener discovered a

2. Uridine present only in RNA is

3. Uridine present only in RNA is

4. The brain capacity of Homo habilis

5. The historic convention related to conservation of biological diversity is also known as

6. Mitotic spindle is mainly composed of which protein?

7. Of the total incident solar radiation the percentage Photosynthetically Active Radiation (PAR) captured by the plants

8. Which one of the following ecosystem has the highest annual net primary productivity?

9. Capacitation occurs in

10. Khorana first deciphered the triplet codons of

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6. One litre solution of MgCl₂ is electrolyzed completely by passing a current of 1A for 16 min 5 sec. The original concentration of MgCl₂ solution was (Atomic mass of Mg = 24)

7. A mixture of NaCl and K₂Cr₂O₇ is heated with conc. H₂SO₄, deep red vapours and formed. Which of the following statement is false?

9. A non-volatile solute, ‘A’ tetramerises in water to the extent of 80%. 2.5 g of ‘A’ in 100 g of water, lowers the freezing point by 0.3 °C. the molar mass of Å in mol L^-1 is (K_f for water = 1.86 K kg mol^-1)

10. 0.1 mole of XeF₆ is treated with 1.8 g of water. The product obtained is