Recent questions tagged 151

Which of the following contraceptive methods do involve a role of hormone ?

asked Jul 8, 2019 by pady_1

1 answer

The minimum value of $x^2-8x+17, \; x \in R$ is :

asked Dec 19, 2018 by pady_1

0 answers

If the mean of 9 binomial distribution is 6, then its variance is :

asked Dec 19, 2018 by pady_1

0 answers

Let $X$ and $Y$ be subsets of $R$ which is the set of all real numbers, the function $F : X \to Y$ defined by $F(x) = x^2$ for $x \in X$ is one-one but not onto if $R^+$ is the set of all $+ve$ real numbers, then :

asked Dec 19, 2018 by pady_1

0 answers

$\begin{align} \int (x+1)^2 e^x \;dx \end{align}$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

If $\alpha \neq \beta$ and $\alpha^2 = 5\alpha -3, \; \beta^2 = 5 \beta - 3$, then the equation having $\alpha/\beta$ and $\beta/\alpha$ as its roots, is :

asked Dec 11, 2018 by pady_1

0 answers

A function $ f$ from the set of natural numbers of integers defined by <br> $ f(n) = \begin{cases} \frac{n-1}{2}, & \quad \text{when } n \text{ is odd}\\ -\frac{n}{2 } & \quad \text{when } n \text{ is even} \end{cases} $ <br> is :

asked Dec 11, 2018 by pady_1

0 answers

Which one of the following represents the correct dimensions of the coefficient of viscosity ?

asked Nov 5, 2018 by pady_1

0 answers

Which one of the following population interactions is widely used in medical science for the production of antibiotics ?

asked Aug 21, 2018 by pady_1

2 answers

The acceleration due to gravity at a height 1 km above the earth is the same as at a depth d below the surface of earth. Then

asked Aug 21, 2018 by pady_1

1 answer

A siren emitting a sound of frequency $800\; Hz$ moves away from an observer towards a cliff at a speed of $15ms^{–1}$. Then, the frequency of sound that the observer hears in the echo reflected from the cliff is : (Take velocity of sound in air = $330 \; ms^{-1}$

asked Aug 21, 2018 by pady_1

1 answer

A remote – sensing satellite of earth revolves in a circular orbit at a height of $0.25 \times 10^6\; m$ above the surface of earth. If earth’s radius is $6.38 \times 10^6\; m$ and $g = 9.8 \;ms^{–2}$, then the orbital speed of the satellite is :

asked Aug 21, 2018 by pady_1

1 answer

How do parasympathetic neural signals affect the working of the heart.

asked Aug 20, 2018 by pady_1

1 answer

The diagram given here is the standard ECG of a normal person. The P-wave respresents the <br>

asked Aug 20, 2018 by pady_1

1 answer

The cyanobacteria are also referred to as

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following organisms is not an example of eukaryotic cells ?

asked Aug 16, 2018 by pady_1

2 answers

The permissible use of the technique aminocentesis is for –

asked Jul 26, 2018 by pady_1

1 answer

a young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowish. What is this yellow colour due to ?

asked Jul 26, 2018 by pady_1

1 answer

The blood calcium level is lowered by the deficiency of:

asked Jul 26, 2018 by pady_1

2 answers

Which one of the following mammalian cells is not capable of metabolizing glucose to carbon-dioxide aerobically ?

asked Jul 26, 2018 by pady_1

2 answers

Which one of the following is a matching set of phylum and its three examples ?

asked Jul 25, 2018 by pady_1

1 answer

Carbohydrates, the most abundant biomolecules on earth, are produced by -

asked Jul 24, 2018 by pady_1

1 answer

If by radiation all nitrogenase enzyme are inactivated, then there will be no :-

asked Jul 24, 2018 by pady_1

1 answer

During transcription, the DNA site at which RNA polymerase binds is called : -

asked Jul 24, 2018 by pady_1

0 answers

Maximum green house gas released by which country : -

asked Jul 23, 2018 by pady_1

0 answers

Reason of lung cancer : -

asked Jul 20, 2018 by pady_1

1 answer

**** sapiens have evolved in :

asked Jul 20, 2018 by pady_1

1 answer

In angiosperm, characters of flowers are used in classification because :

asked Jun 15, 2018 by pady_1

1 answer

Divide: 0.007 $\div$ 14

asked Dec 31, 2015 by pady_1

0 answers

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