Recent questions tagged 170

Match the following genes of the Lac operon with their respective products.

asked Jul 8, 2019 by pady_1

1 answer

If $f(x) = \frac{\sin x }{x}, \; x \neq 0$, if $f(x)$ is to be continuous at $x=0$, then $f(0)$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $a, \; b$ are elements of group, then $(aob)^{-1}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $\alpha , \beta$ are the roots of the equation $9x^2+6x+1=0$, then the equation with the roots are $\frac{1}{\alpha}$, $\frac{1}{\beta}$, is real to :

asked Dec 19, 2018 by pady_1

0 answers

Using the digits $0, 2, 4, 6, 8$ not more than once in any number, the number of 5 digited numbers that can be formed, is :

asked Dec 11, 2018 by pady_1

0 answers

$\begin{align}\int_0^2 [x^2] dx \end{align}$ is :

asked Dec 11, 2018 by pady_1

0 answers

The sum of the radii of inscribed and circumscribed circles for an $n$ sided regular polygon of side $a$ is :

asked Dec 11, 2018 by pady_1

0 answers

If $g$ is the acceleration due to gravity on the earth's surface, the gain in the potential energy of object of mass $m$ raised from the surface of the earth to a height equal to the radius $R$ of the earth is

asked Nov 5, 2018 by pady_1

0 answers

Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneusly. Such strings of ribosomes are termed as

asked Aug 21, 2018 by pady_1

2 answers

Preeti reached the metro station and found that the escalator was not working. She walked up the stationary escalator in time $t_1$. On other days, if she remains stationary on the moving escalator, then the escalator takes her up in time $t_2$. The time taken by her to walk up on the moving escalator will be :

asked Aug 21, 2018 by pady_1

1 answer

A piece of ice falls from a height h so that it melts completely. Only one-quarter of the heat produced is absorbed by the ice and all energy of ice gets converted into heat during its fall. The value of h is : [Latent heat of ice is $3.4 \times 10^5 \;J/kg$ and $g = 10\; N/kg$]

asked Aug 21, 2018 by pady_1

1 answer

Two slits in Youngs experiment have widths in the ratio 1:25. The ratio of intensity at the maxima and minima in the interference pattern, $\frac{I_{max}}{I_{min}}$ is :

asked Aug 21, 2018 by pady_1

1 answer

Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of:

asked Aug 20, 2018 by pady_1

1 answer

According to Darwin, the organic evolution is due to -

asked Aug 20, 2018 by pady_1

1 answer

The lydig cell as found in the human body are the secretory source of

asked Aug 20, 2018 by pady_1

1 answer

Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of:

asked Aug 16, 2018 by pady_1

1 answer

Which one of the following types organisms occupy more than one trophic level in a pond ecosystem ?

asked Jul 26, 2018 by pady_1

1 answer

What does the filiform apparatus do at the entrance into ovule?

asked Jul 26, 2018 by pady_1

1 answer

Geometric representation of age structure is a characteristic of :-

asked Jul 26, 2018 by pady_1

1 answer

One turn of the helix in a B-form DNA is approximately-

asked Jul 25, 2018 by pady_1

0 answers

At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell -

asked Jul 24, 2018 by pady_1

0 answers

A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is :-

asked Jul 24, 2018 by pady_1

1 answer

In which one of the following nitrogen is not a constiuent :

asked Jul 24, 2018 by pady_1

1 answer

In which animal nerve cell is present but brain is absent : -

asked Jul 23, 2018 by pady_1

1 answer

In plants inulin and pectin are

asked Jul 20, 2018 by pady_1

1 answer

Essential amino acid is :

asked Jul 20, 2018 by pady_1

1 answer

Which of the following survives a temperature of 104 to 106ºC :

asked Jun 15, 2018 by pady_1

1 answer

A snail can move a distance of 0.517 meters in 4.7 hours. What distance can it travel in ten hours?

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers