Recent questions tagged 149

Match the following structures with their respective location in organs :

asked Jul 8, 2019 by pady_1

1 answer

If $f(x) = \begin{vmatrix} 2 \cos x & 1 & 0 \\ x - \frac{\pi}{2} & 2 \cos x & 1 \\ 0 & 1 & 2 \cos x \end{vmatrix}$, then $\frac{df}{dx} $ at $x = \frac{\pi}{2}$ is:

asked Dec 19, 2018 by pady_1

0 answers

A random variable $X$ has following distribution <br> <br> the value of $c$ is :

asked Dec 19, 2018 by pady_1

0 answers

Let $x, \; y, \; z$ be three positive numbers. The progression in which $\sqrt{x}, \; \sqrt{y}, \; \sqrt{z}$ can be three terms (not necessarily consecutive), is :

asked Dec 19, 2018 by pady_1

0 answers

If $u = xy^2 \tan^{-1} (\frac{y}{x})$, then $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y}$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

Oxidation number of $Cl$ in $CaOCl_2$ (bleaching power) is :

asked Dec 11, 2018 by pady_1

0 answers

On mixing a certian alkane with chlorine and irradiating it with ultraviolet light, it forms only one monochloroalkane. This alkane could be :

asked Dec 11, 2018 by pady_1

0 answers

If $z^2 + z + 1 = 0$, where $z$ is complex number, then the value of $(z + \frac{1}{z})^2 + (z^2 + \frac{1}{z^2})^2 + (z^3 + \frac{1}{z^3})^2 + ...+ (z^6 + \frac{1}{z^6})^2$ is :

asked Nov 13, 2018 by pady_1

0 answers

An organic compound having molecular mass 60 is found to contain $C=20 \%, H=6.67 \%$ and $N = 46.67 \%$ while rest is oxygen. On heating it gives $NH_3$ along with a solid residue. The solid residue give violet colour with alkaline copper sulphate solution. The compound is :

asked Nov 5, 2018 by pady_1

0 answers

Insuline production and its action in human body are responsible for the level of diabetes. This compound belongs to which of the following categories ?

asked Nov 5, 2018 by pady_1

0 answers

Conversion of milk to curd improves its nutritional value by increasing the amount of

asked Aug 21, 2018 by pady_1

2 answers

A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N ?

asked Aug 21, 2018 by pady_1

1 answer

A car is negotiating a curved road of radius $R$. The road is banked at an angle $\theta$. The coefficient of friction between the tyres of the car and the road is $\mu_s$ . The maximum safe velocity on this road is :

asked Aug 21, 2018 by pady_1

1 answer

A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then,

asked Aug 21, 2018 by pady_1

1 answer

Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs:

asked Aug 20, 2018 by pady_1

1 answer

The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and/or characteristic. <br>

asked Aug 20, 2018 by pady_1

1 answer

Which part would be most suitable for raising virus free plants for microporpagation

asked Aug 20, 2018 by pady_1

1 answer

The process of RNA interference has been used in the development of plants resistant to :

asked Aug 16, 2018 by pady_1

1 answer

The technical term used for the androecium in a flower of China rose (Hibiscus rosasinensis) is

asked Jul 26, 2018 by pady_1

1 answer

What will happen if the stretch receptors of the urinary bladder wall are totally removed ?

asked Jul 26, 2018 by pady_1

2 answers

What is vital capacity of our lungs?

asked Jul 26, 2018 by pady_1

1 answer

If you suspect deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence ?

asked Jul 26, 2018 by pady_1

1 answer

Centromere is required for -

asked Jul 24, 2018 by pady_1

1 answer

Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to :-

asked Jul 24, 2018 by pady_1

1 answer

When a cluster of genes show linkage behaviour they : -

asked Jul 24, 2018 by pady_1

0 answers

Number of wild life is continuously decreasing. What is the main reason of this : -

asked Jul 23, 2018 by pady_1

1 answer

Interferons are synthesized in response to

asked Jul 20, 2018 by pady_1

1 answer

The movement of ions against the concentration gradient will be :

asked Jul 20, 2018 by pady_1

2 answers

Solenocytes occur in :

asked Jun 15, 2018 by pady_1

2 answers

What do you get when you subtract 722.23 from 802.27?

asked Dec 31, 2015 by pady_1

0 answers

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