Recent questions tagged 103

Which of the following can be used as a biocontrol agent in the treatment of plant disease ?

asked Jul 8, 2019 by pady_1

1 answer

$\tan^{-1} x + \cot^{-1} (x+1)$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

The maximum value of $1+8 \sin^2 x^2 \cos^2 x^2$ is :

asked Dec 19, 2018 by pady_1

0 answers

If the equation $\lambda x^2 - 5xy + 6y^2 + x - 3y =0$, represents a pair of straight lines, then their point of intersection is :

asked Dec 19, 2018 by pady_1

0 answers

If $\overrightarrow{a}= \hat{i} + \hat{j} + t \hat{k}$, $\overrightarrow{b} = \hat{i} + 2 \hat{j} +3 \hat{k}$, then the values of $'t'$ for which $(\overrightarrow{a} + \overrightarrow{b})$ and $(\overrightarrow{a} - \overrightarrow{b})$ are perpendicular, are :

asked Dec 11, 2018 by pady_1

0 answers

Underlined carbon is $sp^3$ hybridised in :

asked Dec 11, 2018 by pady_1

0 answers

For the redox reaction $Zn(s) + Cu^{2+} (0.1 M) \to Zn^{2+} (1M) + Cu(s) $ taking place in a cell, $E^{\circ}_{cell}$ is $1.10\; volt$. $E_{cell}$ for the cell will be : $(2.303 \frac{RT}{F}= 0.0591 )$

asked Dec 11, 2018 by pady_1

0 answers

Relative permittivity and permeability of a material are $\varepsilon_r$ and $\mu_r$, respectively. Which of the following values of these quantities are allowed for a diamagnetic material?

asked Nov 29, 2018 by pady_1

0 answers

Which of the following sets of quantum numbers represents the highest energy of an atom ?

asked Nov 29, 2018 by pady_1

0 answers

Resistance of a conductivity cell filled with a solution of an electrolyte of concentration $0.1\; M$ is $100\; \Omega$. The conductivity of this solution is $1.29\; S\; m^{-1}$. Resistance of the same cell when filled with $0.2\; M$ of the same solution is $520 \Omega$. The molar conductivity of $0.02 \; M$ solution of the electrolyte will be :

asked Nov 13, 2018 by pady_1

0 answers

In a multi-electron atom, which of the following orbitals described by the three quantum numbers will have the same energy in the absence of magnetic and electric fields ? (A) $n = 1, l =0, m =0$ (B) $n = 2, l = 0, m = 0$ (C) $n = 2, l = 1, m = 1 $ (D) $n = 3, l = 2, m = 1$ (E) $n = 3, l = 2, m = 0 $

asked Nov 5, 2018 by pady_1

0 answers

What is the equilibrium expression for the reaction $P_{4(s)} + 5O_{2(g)} \leftrightharpoons P_4O_{10 (s)} $?

asked Nov 5, 2018 by pady_1

1 answer

Pollen grains can be stored for several years in liquid nitrogen having a temperature of

asked Aug 21, 2018 by pady_1

1 answer

Out of ‘X’ pairs of ribs in humans only ‘Y’ pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation :

asked Aug 21, 2018 by pady_1

1 answer

Tricarpellary, syncarpous gynoecium is found in flowers of

asked Aug 21, 2018 by pady_1

1 answer

Which of the following layers in an antral follicle is acellular ?

asked Aug 21, 2018 by pady_1

1 answer

Which structures perform the function of mitochondria in bacteria?

asked Aug 20, 2018 by pady_1

1 answer

Transition state structure of the substate formed during an enzymatic reaction is

asked Aug 20, 2018 by pady_1

1 answer

Maximum nutritional diversity is found in the group

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following have the highest number of species in nature ?

asked Aug 16, 2018 by pady_1

1 answer

Single-celled eukaryotes are included in:

asked Jul 26, 2018 by pady_1

1 answer

Mannitol is the stored food in -

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following statements is incorrect about menstruation?

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is an example of negative feedback loop in humans ?

asked Jul 26, 2018 by pady_1

1 answer

Golden rice is a promising transgenic crop. When released for cultivation, it will help in

asked Jul 25, 2018 by pady_1

1 answer

Ectophloic siphonostele is found in -

asked Jul 24, 2018 by pady_1

1 answer

The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of -

asked Jul 24, 2018 by pady_1

1 answer

Given below are four matchings of an animal and its kind of respiratory organ : <img src =""/> The correct matchings are : -

asked Jul 24, 2018 by pady_1

1 answer

Which of the following is correct match -

asked Jul 23, 2018 by pady_1

1 answer

In Negative operon : -

asked Jul 20, 2018 by pady_1

2 answers

For the synthesis of one glucose molecule the calvin cycle operates for :

asked Jul 20, 2018 by pady_1

1 answer

Water is essential for bryophyta :

asked Jun 15, 2018 by pady_1

1 answer

If a bookworm can finish eating 8.6 pages from a book in 4.3 days, how much can it eat in one day?

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers

Which of the following can be used as a biocontrol agent in the treatment of plant disease ?

$\tan^{-1} x + \cot^{-1} (x+1)$ is equal to :

The maximum value of $1+8 \sin^2 x^2 \cos^2 x^2$ is :

If the equation $\lambda x^2 - 5xy + 6y^2 + x - 3y =0$, represents a pair of straight lines, then their point of intersection is :

If $\overrightarrow{a}= \hat{i} + \hat{j} + t \hat{k}$, $\overrightarrow{b} = \hat{i} + 2 \hat{j} +3 \hat{k}$, then the values of $'t'$ for which $(\overrightarrow{a} + \overrightarrow{b})$ and $(\overrightarrow{a} - \overrightarrow{b})$ are perpendicular, are :

Underlined carbon is $sp^3$ hybridised in :

For the redox reaction <br> $Zn(s) + Cu^{2+} (0.1 M) \to Zn^{2+} (1M) + Cu(s) $ <br> taking place in a cell, $E^{\circ}_{cell}$ is $1.10\; volt$. $E_{cell}$ for the cell will be : $(2.303 \frac{RT}{F}= 0.0591 )$

Relative permittivity and permeability of a material are $\varepsilon_r$ and $\mu_r$, respectively. Which of the following values of these quantities are allowed for a diamagnetic material?

Which of the following sets of quantum numbers represents the highest energy of an atom ?

What is the equilibrium expression for the reaction $P_{4(s)} + 5O_{2(g)} \leftrightharpoons P_4O_{10 (s)} $?

Pollen grains can be stored for several years in liquid nitrogen having a temperature of

Out of ‘X’ pairs of ribs in humans only ‘Y’ pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation :

Tricarpellary, syncarpous gynoecium is found in flowers of

Which of the following layers in an antral follicle is acellular ?

Which structures perform the function of mitochondria in bacteria?

Transition state structure of the substate formed during an enzymatic reaction is

Maximum nutritional diversity is found in the group

Which one of the following have the highest number of species in nature ?

Single-celled eukaryotes are included in:

Mannitol is the stored food in -

Which one of the following statements is incorrect about menstruation?

Which one of the following is an example of negative feedback loop in humans ?

Golden rice is a promising transgenic crop. When released for cultivation, it will help in

Ectophloic siphonostele is found in -

The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of -

Given below are four matchings of an animal and its kind of respiratory organ : <br> <img src =""/> <br> The correct matchings are : -

Which of the following is correct match -

In Negative operon : -

For the synthesis of one glucose molecule the calvin cycle operates for :

Water is essential for bryophyta :

If a bookworm can finish eating 8.6 pages from a book in 4.3 days, how much can it eat in one day?