Recent questions tagged 147

DNA precipitation out of a mixture of biomolecules can be achieved by treatment with :

asked Jul 8, 2019 by pady_1

2 answers

If $\log y = \tan^{-1}x$, then $(1+x^2) \frac{d^2y}{dx^2} + (2x-1) \frac{dy}{dx}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

One of the two events A and B must occur. If $P(A) = \frac{2}{3} P(B)$, odd in favour of B are

asked Dec 19, 2018 by pady_1

0 answers

The probabilities of two events $A$ and $B$ are $0.25$ and $0.40$ respectively and $ P ( A \cap B) = 0.15$. The probabilities that neither $A$ nor $B$ occurs is :

asked Dec 19, 2018 by pady_1

0 answers

The maximum value of $xy$ subject to $x+y =7$ is :

asked Dec 11, 2018 by pady_1

0 answers

Maximum dehydration takes place that of :

asked Dec 11, 2018 by pady_1

0 answers

The reaction of chloroform with alcoholic KOH and p-toluidine form :

asked Dec 11, 2018 by pady_1

0 answers

Let C be the circle with centre $(0, 0)$ and radius $3$ units. The equation of the locus of the mid points of the chords of the circle $C$ that subtend an angle of $ \frac{2\pi}{3}$ at its centre, is :

asked Nov 13, 2018 by pady_1

0 answers

If the bond dissociation energies of $XY, X_2$ and $Y_2$ (all diatomic molecules) are in the ratio of $1 : 1 : 0.5$ and $\Delta H_f$ for the formation of $XY$ is $-200 \; kJ \; mol^{-1}$. The bond dissociation energy of $X_2$ will be :

asked Nov 5, 2018 by pady_1

0 answers

Among the following compound which can be dehydrated very easily is

asked Nov 5, 2018 by pady_1

0 answers

Which of the following is not an autoimmune disease ?

asked Aug 21, 2018 by pady_1

1 answer

Which one of the following represents forward bias diode ?

asked Aug 21, 2018 by pady_1

1 answer

The ratio of escape velocity at earth $(v_e)$ to the escape velocity at a planet $(v_p)$ whose radius and mean density are twice as that of earth is :

asked Aug 21, 2018 by pady_1

1 answer

A parallel plate air capacitor has capacity $‘C’$, distance of separation between plates is $‘d’$ and potential difference $‘V’$ is applied between the plates. Force of attraction between the plates of the parallel plate air capacitor is :

asked Aug 21, 2018 by pady_1

1 answer

The initial step in the digestion of milk in human is carried out by?

asked Aug 20, 2018 by pady_1

1 answer

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II <br>

asked Aug 20, 2018 by pady_1

1 answer

Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin 'A' deficiency

asked Aug 20, 2018 by pady_1

1 answer

Maximum number of existing transgenic animals is of :

asked Aug 16, 2018 by pady_1

1 answer

The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do a, b and c represent respectively <br>

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is correct pairing of a body part and like kind of muscle tissue that moves it ?

asked Jul 26, 2018 by pady_1

1 answer

The most active phagocytic white blood cells are:

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is surrounded by a callose wall ?

asked Jul 26, 2018 by pady_1

1 answer

An important evidence in favour of organic evolution is the occurrence of-

asked Jul 25, 2018 by pady_1

2 answers

Which of the following unicellular organism has a macronucleus for trophic function and one or more micronuclei for reproduction -

asked Jul 24, 2018 by pady_1

0 answers

Lichens are well known combination of an alga and a fungus where fungus has :-

asked Jul 24, 2018 by pady_1

1 answer

Pattern baldness, moustaches and beard in human males are examples of : -

asked Jul 24, 2018 by pady_1

1 answer

What is true for individuals of same species

asked Jul 23, 2018 by pady_1

1 answer

Characteristics character of human cornea

asked Jul 20, 2018 by pady_1

2 answers

Which factor is responsible for inhibition of enzymatic process during feed back :

asked Jul 20, 2018 by pady_1

1 answer

Animals of desert are :

asked Jun 15, 2018 by pady_1

1 answer

Sonia purchased 39 rubber bands to share with her classmates. If it cost her Rs.26.91 to buy them, what is the price of each one?

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers