Recent questions tagged 146

The Earth Summit held in Rio de Janeiro in 1992 was called :

asked Jul 8, 2019 by pady_1

2 answers

If the side of an equilateral triangle expands at the rate of $2\; cm/sec$, then the rate of increase of its area when the side is 10 cm is (in sq cm) :

asked Dec 19, 2018 by pady_1

0 answers

The probability of getting a total score of 7 when two unbiased dice are thrown simultaneously, is :

asked Dec 19, 2018 by pady_1

0 answers

Probability of choosing a number divisible by 6 or 8 from among 1 to 90 is :

asked Dec 19, 2018 by pady_1

0 answers

The area (in square units) of the region bounded by $x^2 = 8y, \; x = 4$ and $x$-axis, is :

asked Dec 11, 2018 by pady_1

0 answers

The metallic sodium dissolves in liquid ammonia to form a deep blue coloured solution. The deep blue colour is due to formation of :

asked Dec 11, 2018 by pady_1

0 answers

The internal energy change when a system goes from state A and B is $40\; k\; J/mol$. If the system goes from A to B by a reversible path and returns to state A by an irreversible path, what would be the net change in internal energy ?

asked Dec 11, 2018 by pady_1

0 answers

The value of $\begin{align} \int_1^a [x] \; f'(x) \;dx, \; a > 1 \end{align}$, where $[x]$ denotes the greatest integer not exceeding $x$, is :

asked Nov 13, 2018 by pady_1

0 answers

p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the compound B. The latter on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxylic acid is :

asked Nov 5, 2018 by pady_1

0 answers

Which of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid?

asked Nov 5, 2018 by pady_1

1 answer

Among the following sets of examples for divergent evolution, select the incorrect option :

asked Aug 21, 2018 by pady_1

1 answer

A gas mixture consists of 2 moles of $O_2$ and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is :

asked Aug 21, 2018 by pady_1

1 answer

Given the value of Rydberg constant is $10^7 \;m^{-1}$, the wave number of the last line of the Balmer series in hydrogen spectrum will be :

asked Aug 21, 2018 by pady_1

1 answer

A rectangular coil of length $0.12\; m$ and width $0.1\; m$ having $50$ turns of wire is suspended vertically in a uniform magnetic field of strength $0.2\; Weber/m^2$. The coil carries a current of $2A$. If the plane of the coil is inclined at an angle of $30^°$ with the direction of the field, the torque required to keep the coil in stable equilibrium will be :

asked Aug 21, 2018 by pady_1

1 answer

The enzyme recombinase is required at which stage of meiosis:

asked Aug 20, 2018 by pady_1

1 answer

A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics

asked Aug 20, 2018 by pady_1

1 answer

Which one is a true statement regarding DNA polymerase used in PCR

asked Aug 20, 2018 by pady_1

1 answer

Agarose extracted from sea weeds finds use in :

asked Aug 16, 2018 by pady_1

1 answer

Phototropic curvature is the result of uneven distribution of –

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following pairs of food compounds in humans reaches the stomach totally undigested -

asked Jul 26, 2018 by pady_1

2 answers

In human adult females oxytocin:

asked Jul 26, 2018 by pady_1

1 answer

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism ?

asked Jul 26, 2018 by pady_1

1 answer

People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude of 5400 metres have around 8 million. This is because at high altitude-

asked Jul 25, 2018 by pady_1

1 answer

Which group of three of the following five statements (a-e) contain is all the three correct statements regarding beri-beri - (a) A crippling disease prevalent among the native population of sub-Saharan Africa (b) A deficiency disease caused by lack of thiamine (vitamin $B_1$) (c) A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein (d) Occurs in those countries where the staple diet is polished rice (e) The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure

asked Jul 24, 2018 by pady_1

0 answers

A self-fertilizing trihybrid plant forms :-

asked Jul 24, 2018 by pady_1

1 answer

Which one of the following conditions though harmful in itself, is also a potential saviour from a mosquito borne infectious disease :

asked Jul 24, 2018 by pady_1

2 answers

Which of the following is absent in polluted water : -

asked Jul 23, 2018 by pady_1

1 answer

Which statement is correct for muscle contraction : -

asked Jul 20, 2018 by pady_1

1 answer

Which food should be eaten in deficiency of Rhodopsin in eyes :

asked Jul 20, 2018 by pady_1

1 answer

Acacia, Prosopis and Capparis belongs to :

asked Jun 15, 2018 by pady_1

1 answer

Divide: 1.21 $\div$ 11

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers

The Earth Summit held in Rio de Janeiro in 1992 was called :

If the side of an equilateral triangle expands at the rate of $2\; cm/sec$, then the rate of increase of its area when the side is 10 cm is (in sq cm) :

The probability of getting a total score of 7 when two unbiased dice are thrown simultaneously, is :

Probability of choosing a number divisible by 6 or 8 from among 1 to 90 is :

The area (in square units) of the region bounded by $x^2 = 8y, \; x = 4$ and $x$-axis, is :

The metallic sodium dissolves in liquid ammonia to form a deep blue coloured solution. The deep blue colour is due to formation of :

The internal energy change when a system goes from state A and B is $40\; k\; J/mol$. If the system goes from A to B by a reversible path and returns to state A by an irreversible path, what would be the net change in internal energy ?

The value of $\begin{align} \int_1^a [x] \; f'(x) \;dx, \; a > 1 \end{align}$, where $[x]$ denotes the greatest integer not exceeding $x$, is :

p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the compound B. The latter on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxylic acid is :

Which of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid?

Among the following sets of examples for divergent evolution, select the incorrect option :

A gas mixture consists of 2 moles of $O_2$ and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is :

Given the value of Rydberg constant is $10^7 \;m^{-1}$, the wave number of the last line of the Balmer series in hydrogen spectrum will be :

The enzyme recombinase is required at which stage of meiosis:

A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics <br>

Which one is a true statement regarding DNA polymerase used in PCR

Agarose extracted from sea weeds finds use in :

Phototropic curvature is the result of uneven distribution of –

Which one of the following pairs of food compounds in humans reaches the stomach totally undigested -

In human adult females oxytocin:

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism ?

People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at an altitude of 5400 metres have around 8 million. This is because at high altitude-

A self-fertilizing trihybrid plant forms :-

Which one of the following conditions though harmful in itself, is also a potential saviour from a mosquito borne infectious disease :

Which of the following is absent in polluted water : -

Which statement is correct for muscle contraction : -

Which food should be eaten in deficiency of Rhodopsin in eyes :

Acacia, Prosopis and Capparis belongs to :

Divide: 1.21 $\div$ 11