Recent questions tagged 166

What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?

asked Jul 8, 2019 by pady_1

2 answers

The equation of the directrix to the parabola $y^2 -2x - 6y -5 = 0$ is

asked Dec 19, 2018 by pady_1

1 answer

The real part of $\begin{vmatrix} \cos \alpha + i \sin \alpha & \cos \beta + i \sin \beta \\ \sin \beta + i \cos \beta & \sin \alpha + i \cos \alpha \end{vmatrix}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $1, \omega, \omega^2$ are the roots of unity, then $(a+b)^3 + (a \omega + b \omega^2)^3 + (a \omega^2 +b \omega)^3$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $x =\log_{0.1} 0.001, \; y = \log_9 81 $, then $\sqrt{x -2\sqrt{y}}$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

The value of $2^{1/4}. 4^{1/8}. 8^{1/16}.....\infty$ is :

asked Dec 11, 2018 by pady_1

0 answers

If $x$ is positive, the first negative term in the expansion of $(1+x)^{27/5}$ is :

asked Dec 11, 2018 by pady_1

0 answers

A ball is thrown from a point with a speed $v_{_0}$ at an angle of projection $\theta$. From the same point and at the same instant person starts running with a constant speed $v_{_0}/2$ to catch the ball. Will the person be able to catch the ball ? If yes, what should be the angle of projection ?

asked Nov 5, 2018 by pady_1

0 answers

Calcium is important in skeletal muscle contraction because it

asked Aug 21, 2018 by pady_1

2 answers

If $\theta_1$ and $\theta_2$ be the apparent angles of dip observed in two vertical planes at right angles to each other, then the true angle of dip $\theta$ is given by :

asked Aug 21, 2018 by pady_1

1 answer

If the velocity of a particle is v =$At + Bt^2$, where $A$ and $B$ are constants, then the distance travelled by it between 1s and 2s is :

asked Aug 21, 2018 by pady_1

1 answer

An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas ?

asked Aug 21, 2018 by pady_1

1 answer

In a population of 1000 individuals 360 belong to genotype AA, 480 to Aa and the remaining 160 to a a, Based on this data, the frequency of allele A in the population is :

asked Aug 20, 2018 by pady_1

1 answer

The incorrect statement with regard to Haemophilia is :

asked Aug 20, 2018 by pady_1

1 answer

A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor

asked Aug 20, 2018 by pady_1

1 answer

A large proportion of oxygen is left unused in the human blood even after its uptakes by the body tissues. This $O_2$ :

asked Aug 16, 2018 by pady_1

1 answer

If for some reason our goblet cells are non- functional, this will adversely affect –

asked Jul 26, 2018 by pady_1

2 answers

Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female ?

asked Jul 26, 2018 by pady_1

1 answer

In humans, blood passes from the post caval to the diastolic right atrium of heart due to:

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is being utilized as source of biodiesel in the Indian country side ?

asked Jul 26, 2018 by pady_1

1 answer

The contractile protein of skeletal muscle involving ATPase activity is-

asked Jul 25, 2018 by pady_1

0 answers

Which of the following substances, if introduced into the blood stream, would cause coagulation of blood at the site of its introduction -

asked Jul 24, 2018 by pady_1

2 answers

Which one of the following is not correctly matched

asked Jul 24, 2018 by pady_1

2 answers

In sugarcane plant $^{14}CO_2$ is fixed in malic acid, in which the enzyme that fixes $CO_2$ is :-

asked Jul 24, 2018 by pady_1

0 answers

Seed dormancy is due to the : -

asked Jul 23, 2018 by pady_1

0 answers

Extranuclear inheritence occurs in : -

asked Jul 20, 2018 by pady_1

1 answer

Length of one loop of B- DNA :

asked Jul 20, 2018 by pady_1

1 answer

Bacteria are essential in carbon cycle as :

asked Jun 15, 2018 by pady_1

1 answer

Travis bought a piece of fabric that was 6.96 metres long. Then he cut 6.61 metres of it off to use in a sewing project. How much fabric is left?

asked Dec 31, 2015 by pady_1

1 answer

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