Recent questions tagged 162

Persistent nucellus in the seed is known as :

asked Jul 8, 2019 by pady_1

2 answers

The radical axis of cirlces $x^2 + y^2 - 6x -4y - 44=0$ and $x^2 +y^2- 14 x - 5y-24=0$ is :

asked Dec 19, 2018 by pady_1

0 answers

The coefficient of the middle term in the expansion of $(1+x)^{40}$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If the coefficient of $r^{th}$ term and $(r+1)^{th}$ term in the expansion of $(1+x)^{3n}$ are in the ratio $1 :2$, then $r$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

Let $Z$ denote the set of integers define $f : Z \to Z $ by $ f(x) = \begin{cases} \frac{x}{2}, & \quad \text{x} \text{ is even}\\ 0, & \quad \text{x} \text{ is odd} \end{cases}$ <br> then $f$ is :

asked Dec 11, 2018 by pady_1

0 answers

A plane which passes through the point (3, 2, 0) and the line $\frac{x-4}{1} = \frac{y-7}{5} = \frac{z-4}{4} $ is :

asked Dec 11, 2018 by pady_1

0 answers

The number of ways in which 6 men and 5 women can dine at a round table, if no two women are to sit together, is given by :

asked Dec 11, 2018 by pady_1

0 answers

A force $\overrightarrow{F} = (5\hat{i} +3 \hat{j} +2 \hat {k})N$ is applied over a particle which displaces it from its origin to the point $\overrightarrow{r} = (2 \hat{i} - \hat{j})m$. The work done on the particle in joules is

asked Nov 5, 2018 by pady_1

0 answers

Match the item given in Column I with those in Column II and select the correct option given below :

asked Aug 21, 2018 by pady_1

1 answer

The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is :

asked Aug 21, 2018 by pady_1

1 answer

A npn transistor is connected to common emitter configuration in a given amplifier. A load resistance of $800 \Omega$ is connected in the collector circuit and the voltage drop across it is $0.8\; V$. If the current amplification factor is $0.96$ and the input resistance of the circuit is $192 \Omega$, the voltage gain and the power gain of the amplifier will respectively be :

asked Aug 21, 2018 by pady_1

2 answers

A series R-C circuit is connected to an alternating voltage source. Consider two situations: <br> (a) When capacitor is air filled. <br> (b) When capacitor is mica filled. <br> Current through resistor is i and voltage across capacitor is V then :

asked Aug 21, 2018 by pady_1

1 answer

Tubectomy is method of sterilization in which:

asked Aug 20, 2018 by pady_1

1 answer

One of the legal methods of birth control is :

asked Aug 20, 2018 by pady_1

2 answers

If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA stand sequence

asked Aug 20, 2018 by pady_1

1 answer

A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend

asked Aug 16, 2018 by pady_1

1 answer

Carrier ions like $Na^+$ facilitate the absorption of substances like –

asked Jul 26, 2018 by pady_1

1 answer

Vegetative propagation in mint occurs by :

asked Jul 26, 2018 by pady_1

2 answers

Modern detergents contain enzyme preparations of:

asked Jul 26, 2018 by pady_1

1 answer

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly ?

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is an example of polygenic inheritance ?

asked Jul 25, 2018 by pady_1

1 answer

Which of the following is the relatively most accurate method for dating of fossils -

asked Jul 24, 2018 by pady_1

1 answer

ATPase enzyme needed for muscle contraction is located in -

asked Jul 24, 2018 by pady_1

1 answer

Stomata of CAM plants : -

asked Jul 24, 2018 by pady_1

1 answer

How many ATP molecules produced by Aerobic oxidation of one molecule of glucose : -

asked Jul 23, 2018 by pady_1

2 answers

Male XX and female XY sometime occur due to

asked Jul 20, 2018 by pady_1

1 answer

Aquatic fern is used to increase the yield in paddy crop :

asked Jul 20, 2018 by pady_1

1 answer

Total amount of energy trapped by green plants in food is called :

asked Jun 15, 2018 by pady_1

1 answer

What do you get when you add the following decimals: 908.21, 59.24, 0.84?

asked Dec 31, 2015 by pady_1

0 answers

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