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Recent questions tagged 200

If the vectors $\overrightarrow{a} = ( 1, x, -2)$ and $\overrightarrow{b} = (x, 3, -4)$ are mutually perpendicular, then is :

asked Dec 19, 2018 by pady_1

1 answer

The solution of $2xy \frac{dy}{dx} = 1 + y^2$, is :

asked Dec 19, 2018 by pady_1

0 answers

The area of the triangle formed by the axes and the line $(\cos \alpha - \sin \alpha ) x + (\cos \alpha + \sin \alpha) y =2$, in square units, is :

asked Dec 19, 2018 by pady_1

0 answers

The shadow of a tower standing on a level ground is found to be 60 metres longer when the sun's altitude is $30^{\circ}$ than when it is $45^{\circ}$. The height of the tower is :

asked Dec 11, 2018 by pady_1

0 answers

If $(\omega \neq 1)$ is a cubic root of unity, then $\begin{vmatrix} 1 & 1+i + \omega^2 & \omega^2 \\ 1-i & -1 & \omega^2 - 1\\ -i & -1+\omega -i & -1 \end{vmatrix}$ equals :

asked Dec 11, 2018 by pady_1

0 answers

The lines $2x - 3y = 5$ and $3x - 4y =7$ are diameters of a circle having area as $154\; sq. unit$. Then the equation of the circle is :

asked Dec 11, 2018 by pady_1

1 answer

The thermistors are usually made of

asked Nov 5, 2018 by pady_1

0 answers

Monascus purpureus is a yeast used commercially in the production of :

asked Aug 20, 2018 by pady_1

1 answer

There is a restriction endonuclease called EcoRl. What does "co" part in it stand for ?

asked Aug 16, 2018 by pady_1

1 answer

Infectious proteins are present in –

asked Jul 26, 2018 by pady_1

2 answers

Tiger is not a resident in which one of the following National Park ?

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following scientist's name is correctly matched with the theory put fourth by him? <br> <br> OPTIONS

asked Jul 26, 2018 by pady_1

1 answer

Which of the following complexes exhibits the highest paramagnetic behaviour ? <br>Where gly = glycine, en = ethylenediamine and bpy = bipyridyl moities <br> (Atomic number Ti = 22, V = 23, Fe = 26, Co = 27)

asked Jul 26, 2018 by pady_1

1 answer

Lysozyme that is present in perspiration, saliva and tears, destroys:

asked Jul 26, 2018 by pady_1

1 answer

Angiotensinogen is a protein produced and secreted by-

asked Jul 25, 2018 by pady_1

0 answers

From the following statements select the wrong one -

asked Jul 24, 2018 by pady_1

1 answer

When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is :-

asked Jul 24, 2018 by pady_1

2 answers

The term "antibiotic" was coined by : -

asked Jul 24, 2018 by pady_1

1 answer

Nucleus of a donor embryonal cell/somatic cell is transferred to an enucleated egg cell. Then after the formation of organism, what shell be true : -

asked Jul 23, 2018 by pady_1

1 answer

Darwins theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it : -

asked Jul 20, 2018 by pady_1

2 answers

What shall be the effect of destruction of wild life :

asked Jul 20, 2018 by pady_1

1 answer

The periderm includes :

asked Jun 15, 2018 by pady_1

1 answer

The mass of a jar of sugar is 1.9 kg. What is the total mass of 4 such jars of sugar?

asked Dec 31, 2015 by pady_1

0 answers

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