Recent questions tagged 106

Select the incorrect statement :-

asked Jul 8, 2019 by pady_1

1 answer

If $x = 2\sqrt{2} + \sqrt{7}$, then $x+\frac{1}{x}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

From the top of a building of height $h$ metres the angle of depression of an object on the ground is $\alpha$. The distance of the object from the foot of the building, is :

asked Dec 19, 2018 by pady_1

0 answers

Two circles of equal radii cut orthogonally, if their centres are (2, 3) and (5, 6), then r is equal to:

asked Dec 19, 2018 by pady_1

0 answers

$\overrightarrow{a} , \; \overrightarrow{b}, \; \overrightarrow{c}, \; \overrightarrow{d}$ are co-planar vectors, then $(\overrightarrow{a} \times \overrightarrow{b}) \times (\overrightarrow{c} \times \overrightarrow{d})$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

$CH_3MgI$ is an organometallic compound due o :

asked Dec 11, 2018 by pady_1

0 answers

25 mL of a solution of barium hydroxide on titration with 0.1 molar solution of hydrochloric acid gave a titre value of 35 mL. The molarity of barium hydroxide solution was :

asked Dec 11, 2018 by pady_1

0 answers

Regular use of which of the following fertilisers increases the acidity of soil ?

asked Nov 29, 2018 by pady_1

0 answers

The enthalpy changes for the following processes are listed below : $Cl_2 (g) = 2Cl (g), \; \; \; 242.3 \; kJ\; mol^{-1} $ $I_2 (g) = 2I (g), \; \; \; 151.0 \; kJ\; mol^{-1} $ $ICl (g) = I (g) + Cl(g), \; \; \; 211.3 \; kJ\; mol^{-1}$ $I_2 (s) = I_2 (g), \; \; \; 62.76 \; kJ\; mol^{-1}$ Given that the standard states for iodine and chlorine are $I_2 (s)$ and $Cl_2 (g)$, the standard enthalpy of formation of $ICl \; (g)$ is :

asked Nov 13, 2018 by pady_1

0 answers

Heating mixture of $Cu_2O$ and $Cu_2S$ will give

asked Nov 5, 2018 by pady_1

0 answers

The rate equation for the reaction $2A + B \to C$ is found to be : rate $k[A][B]$. The correct statement in relation to this reaction is that the

asked Nov 5, 2018 by pady_1

1 answer

Which among the following is not a prokaryote ?

asked Aug 21, 2018 by pady_1

1 answer

Which one from those given below is the period for Mendel’s hybridization experiments ?

asked Aug 21, 2018 by pady_1

1 answer

Lack of relaxation between successive stimuli in sustained muscle contraction is known as

asked Aug 21, 2018 by pady_1

1 answer

In angiosperms, microsporogenesis and megasporogenesis :

asked Aug 21, 2018 by pady_1

1 answer

During which phase(s) of cell cycle, amount of DNA in a cell remains at 4 C level if the initial amount is denoted as 2C ?

asked Aug 20, 2018 by pady_1

1 answer

A major site for synthesis of lipids is :

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following is correct statement

asked Aug 20, 2018 by pady_1

1 answer

The gametophyte is not an independent, free living generation in :

asked Aug 16, 2018 by pady_1

1 answer

An element playing important role in nitrogen fixation is:

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following groups of animals is bilaterally symmetrical and triploblastic ?

asked Jul 26, 2018 by pady_1

1 answer

What is true about the isolated small tribal populations?

asked Jul 26, 2018 by pady_1

1 answer

Select the wrong statement from the following :

asked Jul 26, 2018 by pady_1

1 answer

The 'blue baby' syndrome results from-

asked Jul 25, 2018 by pady_1

1 answer

In contrast to Annelids the Platyhelminths show

asked Jul 24, 2018 by pady_1

1 answer

Which one of the following preceeds re- formation of the nuclear envelope during M phase of the cell cycle :- lood

asked Jul 24, 2018 by pady_1

1 answer

Random genetic drift in a population probably results from : -

asked Jul 24, 2018 by pady_1

1 answer

Change in sequence of nucleotide in DNA is called as -

asked Jul 23, 2018 by pady_1

1 answer

Before the European invader which vegetable was absent in India :-

asked Jul 20, 2018 by pady_1

2 answers

For assimilation of one $CO_2$ molecule; the energy required in form of ATP & $NADPH_2$

asked Jul 20, 2018 by pady_1

1 answer

AA Bb Cc genotypes form how many types of gametes :

asked Jun 15, 2018 by pady_1

1 answer

What is the smallest number should be added to 10.53 to give an even number?

asked Dec 31, 2015 by pady_1

0 answers

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