Recent questions tagged 160

Phloem in gymnosperms lacks

asked Jul 8, 2019 by pady_1

2 answers

The locus of point of intersection of perpendicular tangents to the circle $x^2+y^2=a^2$ is:

asked Dec 19, 2018 by pady_1

0 answers

The term independent of $x$ in expansion of $\begin{pmatrix} x^2 - \frac{1}{x} \end{pmatrix}^6$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $C_0, \; C_1, \; C_2, ....$ are binomial coefficients, then $C_1 + C_2 +C_3 + C_4 + ..... + C_r +.... + C_n$ is equal to:

asked Dec 19, 2018 by pady_1

0 answers

If $\tan \theta + \cot \theta = 2$, then $\sin \theta$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

$\cot^{-1} ( \cos \alpha ) - \tan^{-1} (\sqrt{\cos \alpha}) = x$ then $\sin x$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

If $A = \begin{bmatrix} a & b \\ b & a \end{bmatrix}$ and $A^2 = \begin{bmatrix} \alpha & \beta \\ \beta & \alpha \end{bmatrix}$, then :

asked Dec 11, 2018 by pady_1

0 answers

A uniform chain of length $2\; m$ is kept on a table such that a length of $60\; cm$ hangs freely from the edge of the table. The total mass of the chain is $4\; kg$. What is the work done in pulling the entire chain on the table?

asked Nov 5, 2018 by pady_1

0 answers

Which of the following options correctly represents the lung conditions in asthma and emphysema, repectively ?

asked Aug 21, 2018 by pady_1

2 answers

A physical quantity of the dimensions of length that can be formed out of c, G and $\frac{e^2}{4 \pi \epsilon_0}$ is [ c is velocity of light, G is universal constant of gravitation and e is charge] ;

asked Aug 21, 2018 by pady_1

1 answer

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is :

asked Aug 21, 2018 by pady_1

1 answer

Light of wavelength 500 nm is incident on a metal with work function 2.28 eV. The de Broglie wavelength of the emitted electron is :

asked Aug 21, 2018 by pady_1

1 answer

The main function of mammalian corpus luteum is to produce:

asked Aug 20, 2018 by pady_1

1 answer

Menstrual flow occurs due to lack of

asked Aug 20, 2018 by pady_1

1 answer

$F_2$ generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2: 1. It represents a case of

asked Aug 20, 2018 by pady_1

1 answer

What was the most significant trend in the evolution of modern man (**** sapiens) from his ancestors ?

asked Aug 16, 2018 by pady_1

2 answers

The common nitrogen-fixer in paddy fields is –

asked Jul 26, 2018 by pady_1

1 answer

One of the synthetic auxin is :

asked Jul 26, 2018 by pady_1

1 answer

During the propagation of a nerve impulse, the Q action potential results from the movement of:

asked Jul 26, 2018 by pady_1

1 answer

Which part of ovary in mammals acts as an endocrine gland after ovulation ?

asked Jul 26, 2018 by pady_1

2 answers

Which of the following is considered a hot-spot of biodiversity in India ?

asked Jul 25, 2018 by pady_1

1 answer

In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues -

asked Jul 24, 2018 by pady_1

0 answers

Mast cells of connective tissue contain -

asked Jul 24, 2018 by pady_1

1 answer

The major portion of the dry weight of plants comprises of : -

asked Jul 24, 2018 by pady_1

1 answer

Which pigment absorbs the red and farred light

asked Jul 23, 2018 by pady_1

1 answer

E. Coli about to replicate was placed in a medium containing radio active thymidine for five minutes. Then it was made to replicate in a normal medium. Which of the following observation shall be correct : -

asked Jul 20, 2018 by pady_1

1 answer

Which cell organelle is concerned with glycosylation of protein :

asked Jul 20, 2018 by pady_1

1 answer

Unit of contraction :

asked Jun 15, 2018 by pady_1

1 answer

A carpenter bought a piece of wood that was 0.7 metres long. Then she sawed 0.1 metres off the end. How long is the piece of wood now?

asked Dec 31, 2015 by pady_1

1 answer

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