Recent questions tagged 174

How does steroid hormone influence the cellular activities?

asked Jul 8, 2019 by pady_1

2 answers

$y = x^2 \sin 2x$, then $n^{th}$ derivative of $y ( n = 4m)$ is :

asked Dec 19, 2018 by pady_1

0 answers

If $y = f(x) = \frac{2x-1}{x-2}$, then $f(y)$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $A$ and $B$ are two square matrices such that $B= -A^{-1}BA$, then $(A+B)^2$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $\frac{x-4}{x^2-5x-2k} = \frac{2}{x-2} - \frac{1}{x+k'}$ then $k$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

If $\sin y = x \sin (a + y) $, then $\frac{dy}{dx}$ is :

asked Dec 11, 2018 by pady_1

0 answers

The upper $3/4th$ portion of a vertical pole subtends an angle $\tan^{-1} 3/5$ at a point in the horizontal plane through its foot and a distance $40\;m$ from the foot. A possible height of the vertical pole is :

asked Dec 11, 2018 by pady_1

0 answers

If two soap bubbles of different radii are connected by a tube,

asked Nov 5, 2018 by pady_1

0 answers

Which of the following events does not occur in rough endoplasmic reticulum ?

asked Aug 21, 2018 by pady_1

1 answer

In an electromagnetic wave in free space the root mean square value of the electric field is $E_{rms} = 6\; V/m$. The peak value of the magnetic field is :

asked Aug 21, 2018 by pady_1

1 answer

A uniform rope of length $L$ and mass $m_1$ hangs vertically from a rigid support. A block of mass $m_2$ is attached to the free end of the rope. A transverse pulse of wavelength $\lambda_1$ is produced at the lower end of the rope. The wavelength of the pulse when it reaches the top of the rope is $\lambda_2$. The ratio $\lambda_2/\lambda_1$ is :

asked Aug 21, 2018 by pady_1

1 answer

If dimensions of critical velocity $v_c$ of a liquid flowing through a tube are expressed as $[η^x ρ^y r^z]$ , where $η, ρ$ and $r$ are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of $x, y,$ and $z$ are given by :

asked Aug 21, 2018 by pady_1

1 answer

To obtain virus- free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken ?

asked Aug 20, 2018 by pady_1

1 answer

In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called :

asked Aug 20, 2018 by pady_1

1 answer

What is correct to say about the hormone action in humans ?

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following plasma proteins is involved in the coagulation of blood ?

asked Aug 16, 2018 by pady_1

1 answer

The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called –

asked Jul 26, 2018 by pady_1

1 answer

The correct sequence of plants in hydrosere is :

asked Jul 26, 2018 by pady_1

0 answers

Cry1 endotoxins obtained from Bacillus thuringiensis are effective against:

asked Jul 26, 2018 by pady_1

1 answer

A sequential expression of a set of human genes occurs when a steroid molecule binds to the:-

asked Jul 26, 2018 by pady_1

1 answer

Mast cells secrete-

asked Jul 25, 2018 by pady_1

0 answers

Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness -

asked Jul 24, 2018 by pady_1

1 answer

During replication of a bacterial chromosomes DNA synthesis starts from a replication origin site and :-

asked Jul 24, 2018 by pady_1

1 answer

Juicy hair-like structure observed in the lemon fruit develop from :-

asked Jul 24, 2018 by pady_1

1 answer

Which steroid is used for transformation : -

asked Jul 23, 2018 by pady_1

1 answer

Plant Decomposers are : -

asked Jul 20, 2018 by pady_1

2 answers

Function of telomeres in nucleus :

asked Jul 20, 2018 by pady_1

2 answers

What change occurs during conversion of proto chlorophyll to chlorophyll :

asked Jun 15, 2018 by pady_1

1 answer

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