Recent questions tagged 116

Which of the following pairs of gases is mainly responsible for green house effect?

asked Jul 8, 2019 by pady_1

1 answer

If $\tan^{-1}x + \tan^{-1}y + \tan^{-1}z = \frac{\pi}{2}$, then $1-xy-yz - zx$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If the axes are rotated through an angle $30^{\circ}$ about the origin, then the tranformed equation of $x^2 + 2 \sqrt{3} xy - y^2 = 2a^2$, is :

asked Dec 19, 2018 by pady_1

0 answers

$\displaystyle\lim_{\theta \to \pi/2} \frac{1-\sin \theta}{\cos (\frac{\pi}{2} - \theta)}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

The incentre of triangle formed by the lines $x+y = 1, \; x=1, \;y=1$ is :

asked Dec 11, 2018 by pady_1

0 answers

$MnO_4^-$ is a good oxidising agent in different medium changing to $MnO_4^- \to Mn^{2+}$ $\; \; \; \; \; \; \; \;\; \; \to MnO_4^{2-}$ $\; \; \; \; \; \;\; \; \; \to MnO_2$ $\; \; \; \; \; \; \; \; \;\to Mn_2O_3$ Changes in oxidation number respectively are :

asked Dec 11, 2018 by pady_1

0 answers

In the respect of the equation $k = Ae^{-E_a/RT}$ in chemical kinetics, which one of the following statement is correct ?

asked Dec 11, 2018 by pady_1

1 answer

The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, $K^+, Ca^{2+}, Mg^{2+}, Be^{2+}$ ?

asked Nov 29, 2018 by pady_1

0 answers

The value of $ \displaystyle\sum_{k=1}^{10} (\sin \frac{2k \pi}{11} + i \cos \frac{2k \pi}{11})$ is :

asked Nov 13, 2018 by pady_1

0 answers

In silicon dioxide :

asked Nov 5, 2018 by pady_1

0 answers

Which one of the following ores is best concentrated by froth-floatation method ?

asked Nov 5, 2018 by pady_1

1 answer

The experimental proof for semiconservative replication of DNA was first shown in a

asked Aug 21, 2018 by pady_1

3 answers

Mycorrhizae are the example of :

asked Aug 21, 2018 by pady_1

1 answer

Which of the following is required as inducer(s) for the expression of Lac operon?

asked Aug 21, 2018 by pady_1

2 answers

Identify the correct order of organisation of genetic material from largest to smallest :

asked Aug 21, 2018 by pady_1

1 answer

An aggregate fruit is one which devloped from

asked Aug 20, 2018 by pady_1

1 answer

Meiosis takes place in

asked Aug 20, 2018 by pady_1

1 answer

Best defined function of manganese in green plants is

asked Aug 20, 2018 by pady_1

1 answer

The function of leghaemoglobin in the root nodules of legumes is :

asked Aug 16, 2018 by pady_1

2 answers

Membrane-bound organelles are absent in:

asked Jul 26, 2018 by pady_1

1 answer

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in -

asked Jul 26, 2018 by pady_1

1 answer

The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of :

asked Jul 26, 2018 by pady_1

1 answer

In gymnosperms, the pollen chamber represents :

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is not used for construction of ecological pyramids ?

asked Jul 25, 2018 by pady_1

0 answers

All of the following statements concerning the Actinomycetous filamentous soil bacterium Frankia are correct EXCEPT that Frankia -

asked Jul 24, 2018 by pady_1

1 answer

DNA fingerprinting refers to :-

asked Jul 24, 2018 by pady_1

1 answer

In which one of the following do the two names refer to one and the same thing : -

asked Jul 24, 2018 by pady_1

1 answer

Continuous bleeding from an injured part of body is due to deficiancy of ; -

asked Jul 23, 2018 by pady_1

0 answers

Which is correct pair for edible part : -

asked Jul 20, 2018 by pady_1

1 answer

Eight nucleated embryosac is a :

asked Jul 20, 2018 by pady_1

1 answer

Species separated by geographical barriers are called :

asked Jun 15, 2018 by pady_1

1 answer

Write the number in standard form. $(3 \times 1,000) + (6 \times 100) + (8 \times 10) + (3 \times 1) + (7 \times \large\frac{1}{100}) + (4 \times \large\frac{1}{1,000})$

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers

Which of the following pairs of gases is mainly responsible for green house effect?

If $\tan^{-1}x + \tan^{-1}y + \tan^{-1}z = \frac{\pi}{2}$, then $1-xy-yz - zx$ is equal to :

If the axes are rotated through an angle $30^{\circ}$ about the origin, then the tranformed equation of $x^2 + 2 \sqrt{3} xy - y^2 = 2a^2$, is :

$\displaystyle\lim_{\theta \to \pi/2} \frac{1-\sin \theta}{\cos (\frac{\pi}{2} - \theta)}$ is equal to :

The incentre of triangle formed by the lines $x+y = 1, \; x=1, \;y=1$ is :

$MnO_4^-$ is a good oxidising agent in different medium changing to <br> $MnO_4^- \to Mn^{2+}$ <br> $\; \; \; \; \; \; \; \;\; \; \to MnO_4^{2-}$ <br> $\; \; \; \; \; \;\; \; \; \to MnO_2$ <br> $\; \; \; \; \; \; \; \; \;\to Mn_2O_3$ <br> Changes in oxidation number respectively are :

In the respect of the equation $k = Ae^{-E_a/RT}$ in chemical kinetics, which one of the following statement is correct ?

The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, $K^+, Ca^{2+}, Mg^{2+}, Be^{2+}$ ?

The value of $ \displaystyle\sum_{k=1}^{10} (\sin \frac{2k \pi}{11} + i \cos \frac{2k \pi}{11})$ is :

In silicon dioxide :

Which one of the following ores is best concentrated by froth-floatation method ?

The experimental proof for semiconservative replication of DNA was first shown in a

Mycorrhizae are the example of :

Which of the following is required as inducer(s) for the expression of Lac operon?

Identify the correct order of organisation of genetic material from largest to smallest :

An aggregate fruit is one which devloped from

Meiosis takes place in

Best defined function of manganese in green plants is

The function of leghaemoglobin in the root nodules of legumes is :

Membrane-bound organelles are absent in:

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in -

The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of :

In gymnosperms, the pollen chamber represents :

Which one of the following is not used for construction of ecological pyramids ?

All of the following statements concerning the Actinomycetous filamentous soil bacterium Frankia are correct EXCEPT that Frankia -

DNA fingerprinting refers to :-

In which one of the following do the two names refer to one and the same thing : -

Continuous bleeding from an injured part of body is due to deficiancy of ; -

Which is correct pair for edible part : -

Eight nucleated embryosac is a :

Species separated by geographical barriers are called :

Write the number in standard form. $(3 \times 1,000) + (6 \times 100) + (8 \times 10) + (3 \times 1) + (7 \times \large\frac{1}{100}) + (4 \times \large\frac{1}{1,000})$