Recent questions tagged 152

Drug called 'Heroin' is synthesized by :

asked Jul 8, 2019 by pady_1

2 answers

If the system of equations $3x-2y+z=0 $ $\lambda x - 14 y +15z =0$ $x+2y-3z=0$ have non-zero solution, then $\lambda$ is equal to

asked Dec 19, 2018 by pady_1

0 answers

If $f : R \to R$ is defined by $f(x) = 3x-2$, then $fof(x) +2$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $F : R \to R$ is defined by $f(x) = 2x + |x|$ then $f(2x) + f(-x) - f(x)$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

$\begin{align} \int \frac{dx}{a^2 \sin^2x +b^2 \cos^2 x} \end{align}$ is equal to :

asked Dec 11, 2018 by pady_1

0 answers

If $y = (x +\sqrt{1+x^2})^n $, then $(1+x^2) \frac{d^2y}{dx^2} + x \frac{dy}{dx}$ is :

asked Dec 11, 2018 by pady_1

0 answers

Let $z_1$ and $z_2$ be two roots of the equation $z^2 + az + b = 0 , \; z$ being complex. Further, assume that the origin, $z_1$ and $z_2$ form an equilateral triangle. Then :

asked Dec 11, 2018 by pady_1

0 answers

A particle moves in a straight line with retardation proportional to its displacement. Its loss of kinetic energy for any displacement $x$ is proportional to

asked Nov 5, 2018 by pady_1

0 answers

All of the following are included in 'ex-situ conservation' except

asked Aug 21, 2018 by pady_1

1 answer

A particle executes linear simple harmonic motion with an amplitude of 3 cm. When the particle is at 2 cm from the mean position, the magnitude of its velocity is equal to that of its acceleration. Then its time period in seconds is :

asked Aug 21, 2018 by pady_1

1 answer

A body of mass $ 1 \;kg$ begins to move under the action of a time dependent force $\overrightarrow{F} = (2 t \hat{i} + 3 t^2 \hat{j}) N$, where $\hat{i}$ and $\hat{j}$ are unit vectors along x and y axis. What power will be developed by the force at the time $t$ ?

asked Aug 21, 2018 by pady_1

1 answer

The position vector of a particle $\overrightarrow{R}$ as a function of time is given by : $\overrightarrow{R} = 4 \sin (2 \pi t) \hat{i} + 4 \cos (2 \pi t) \hat{j}$ Where R is in meters, t is in seconds and $\hat{i}$ and $\hat{j}$ denote unit vectors along x- and y-directions, respectively. Which one of the following statements is wrong for the motion of particle ?

asked Aug 21, 2018 by pady_1

1 answer

Which of the following causes an increase in sodium reabsorption in distal convoluted tubule?

asked Aug 20, 2018 by pady_1

1 answer

Figure shows human urinary system with structures labelled A to D. Select option which correctly identifies them and gives their characteristics and/ or functions

asked Aug 20, 2018 by pady_1

1 answer

Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group

asked Aug 20, 2018 by pady_1

2 answers

Which one of the following animals is correctly matched with its particular named taxonomic category ?

asked Aug 16, 2018 by pady_1

2 answers

During mitosis ER and nucleolus begin to disappear at –

asked Jul 26, 2018 by pady_1

2 answers

Globulins contained in human blood plasma are primarily involved in -

asked Jul 26, 2018 by pady_1

1 answer

The $C_4$ plants are photosynthetically more efficient than $C_3$ plants because

asked Jul 26, 2018 by pady_1

1 answer

Compared to a bull a bullok is docile because of:-

asked Jul 26, 2018 by pady_1

1 answer

Metameric segmentation is the characteristic of-

asked Jul 25, 2018 by pady_1

0 answers

Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example

asked Jul 24, 2018 by pady_1

1 answer

In 1984, the Bhopal gas tragedy took place because methyl isocyanate :-

asked Jul 24, 2018 by pady_1

2 answers

Christmas disease is another name for : -

asked Jul 24, 2018 by pady_1

0 answers

What is the direction of micropyle in anatropous ovule :-

asked Jul 23, 2018 by pady_1

0 answers

When water moves through a semipermeable membrane then which of the following pressure develops : -

asked Jul 20, 2018 by pady_1

2 answers

Character which is closely related to human evolution :

asked Jul 20, 2018 by pady_1

1 answer

Transport of gases in alveoli takes place by :

asked Jun 15, 2018 by pady_1

1 answer

What do you get when you divide 518.87 by 97.9?

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers

Drug called 'Heroin' is synthesized by :

If the system of equations <br> $3x-2y+z=0 $ <br> $\lambda x - 14 y +15z =0$ <br> $x+2y-3z=0$ <br> have non-zero solution, then $\lambda$ is equal to

If $f : R \to R$ is defined by $f(x) = 3x-2$, then $fof(x) +2$ is equal to :

If $F : R \to R$ is defined by $f(x) = 2x + |x|$ then $f(2x) + f(-x) - f(x)$ is equal to :

$\begin{align} \int \frac{dx}{a^2 \sin^2x +b^2 \cos^2 x} \end{align}$ is equal to :

If $y = (x +\sqrt{1+x^2})^n $, then $(1+x^2) \frac{d^2y}{dx^2} + x \frac{dy}{dx}$ is :

Let $z_1$ and $z_2$ be two roots of the equation $z^2 + az + b = 0 , \; z$ being complex. Further, assume that the origin, $z_1$ and $z_2$ form an equilateral triangle. Then :

A particle moves in a straight line with retardation proportional to its displacement. Its loss of kinetic energy for any displacement $x$ is proportional to

All of the following are included in 'ex-situ conservation' except

A particle executes linear simple harmonic motion with an amplitude of 3 cm. When the particle is at 2 cm from the mean position, the magnitude of its velocity is equal to that of its acceleration. Then its time period in seconds is :

A body of mass $ 1 \;kg$ begins to move under the action of a time dependent force $\overrightarrow{F} = (2 t \hat{i} + 3 t^2 \hat{j}) N$, where $\hat{i}$ and $\hat{j}$ are unit vectors along x and y axis. What power will be developed by the force at the time $t$ ?

Which of the following causes an increase in sodium reabsorption in distal convoluted tubule?

Figure shows human urinary system with structures labelled A to D. Select option which correctly identifies them and gives their characteristics and/ or functions <br>

Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group

Which one of the following animals is correctly matched with its particular named taxonomic category ?

During mitosis ER and nucleolus begin to disappear at –

Globulins contained in human blood plasma are primarily involved in -

The $C_4$ plants are photosynthetically more efficient than $C_3$ plants because

Compared to a bull a bullok is docile because of:-

Metameric segmentation is the characteristic of-

Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example

In 1984, the Bhopal gas tragedy took place because methyl isocyanate :-

Christmas disease is another name for : -

What is the direction of micropyle in anatropous ovule :-

When water moves through a semipermeable membrane then which of the following pressure develops : -

Character which is closely related to human evolution :

Transport of gases in alveoli takes place by :

What do you get when you divide 518.87 by 97.9?