Recent questions tagged 159

Which one of the following statements regarding post-fertilization development in flowering plants is incorrect ?

asked Jul 8, 2019 by pady_1

2 answers

The equation of a circle with centre $(4, 1)$ and having $3x + 4y - 1 =0$ as tangent is

asked Dec 19, 2018 by pady_1

0 answers

If $\frac{1}{(1-2x)(1+3x)} = \frac{A}{1-2x} + \frac{B}{1+3x}$, then $2B$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

If $a_k = \frac{1}{k(k+1)} $ for $k = 1, 2, 3,...n$, then $\begin{bmatrix} \displaystyle\sum_{k=1}^{n} a_k \end{bmatrix}^2$ is equal to :

asked Dec 19, 2018 by pady_1

0 answers

The solution of $\frac{dy}{dx} +y =e^x$ is :

asked Dec 11, 2018 by pady_1

0 answers

In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average of the girls ?

asked Dec 11, 2018 by pady_1

0 answers

The value of 'a' for which one root of the quadratic equation $(a^2 -5a +3) x^2 + (3a - 1)x+2 =0$ is twice as large as the other, is :

asked Dec 11, 2018 by pady_1

0 answers

Two masses $m_1 = 5\; kg$ and $m_2 = 4.8 \; kg$ tied to a string are hanging over a light frictionless pulley. What is the acceleration of the masses when light free to move ? ($g = 9.8\; m/s^2$)

asked Nov 5, 2018 by pady_1

0 answers

The difference between spermiogenesis and spermiation is

asked Aug 21, 2018 by pady_1

1 answer

One end of string of length l is connected to a particle of mass 'm' and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed 'v' the net force on the particle (directed towards center) will be (T represents the tension in the string)

asked Aug 21, 2018 by pady_1

1 answer

Consider the junction diode as ideal. The value of current flowing through AB is :

asked Aug 21, 2018 by pady_1

1 answer

Two metal wires of identical dimensions are connected in series. If $\sigma_1$ and $\sigma_2$ are the conductivities of the metal wires respectively, the effective conductivity of the combination is :

asked Aug 21, 2018 by pady_1

1 answer

The shared terminal duct of the reproductive and urinary system in the human male is:

asked Aug 20, 2018 by pady_1

1 answer

What is the correct sequence of sperm formation ?

asked Aug 20, 2018 by pady_1

1 answer

Ribosomal RNA is actively synthesized in

asked Aug 20, 2018 by pady_1

1 answer

Which one of the following structural formulae of two organic compounds is correctly identified along with its related function ?

asked Aug 16, 2018 by pady_1

1 answer

The main arena of variuos types of activites of a cell is –

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following is considered important in the development of seed habit ?

asked Jul 26, 2018 by pady_1

1 answer

The table below gives the populations (in thousands) of ten species (A-J) in four areas (a-d) consisting of the number of habitats given within brackets against each. Study the table and answer the question which follows: Area and Species, and their populations (in thousands) in Number areas of Habitats A B C D E F G H I J a (11) 2.3 1.2 0.52 6.0 - 3.1 1.1 9.0 - 10.3 b (11) 10.2 - 0.62 - 1.5 3.0 - 8.2 1.1 11.2 c (13) 11.3 0.9 0.48 2.4 1.4 4.2 0.8 8.4 2.2 4.1 d (12) 3.2 10.2 11.1 4.8 0.4 3.3 0.8 7.3 11.3 2.1 Which area out of a to d shows maximum species diversity?

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?

asked Jul 26, 2018 by pady_1

1 answer

Evolutionary history of an organism is known as-

asked Jul 25, 2018 by pady_1

0 answers

There exists a close association between the alga and the fungus within a lichen. The fungus -

asked Jul 24, 2018 by pady_1

2 answers

A terrestrial animal must be able to -

asked Jul 24, 2018 by pady_1

1 answer

Which element is located at the centre of the porphyrin ring in chlorophyll : -

asked Jul 24, 2018 by pady_1

1 answer

Bamboo plant is growing in a far forest then what will be the trophic level of it : -

asked Jul 23, 2018 by pady_1

1 answer

Which one correctly matched : -

asked Jul 20, 2018 by pady_1

1 answer

Irregularity is found in drosophila during the organ differentiation for example- inplace of wing, long legs are formed. Which gene is responsible for :

asked Jul 20, 2018 by pady_1

1 answer

Contractile protein is :

asked Jun 15, 2018 by pady_1

1 answer

There are some bags of rice each weighing 97.5 kg. If the total weight of all the bags is 682.5 kg, find the total number of bags.

asked Dec 31, 2015 by pady_1

0 answers

Ask Questions, Get Answers

Which one of the following statements regarding post-fertilization development in flowering plants is incorrect ?

The equation of a circle with centre $(4, 1)$ and having $3x + 4y - 1 =0$ as tangent is

If $\frac{1}{(1-2x)(1+3x)} = \frac{A}{1-2x} + \frac{B}{1+3x}$, then $2B$ is equal to :

If $a_k = \frac{1}{k(k+1)} $ for $k = 1, 2, 3,...n$, then $\begin{bmatrix} \displaystyle\sum_{k=1}^{n} a_k \end{bmatrix}^2$ is equal to :

The solution of $\frac{dy}{dx} +y =e^x$ is :

In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average of the girls ?

The value of 'a' for which one root of the quadratic equation <br> $(a^2 -5a +3) x^2 + (3a - 1)x+2 =0$ <br> is twice as large as the other, is :

Two masses $m_1 = 5\; kg$ and $m_2 = 4.8 \; kg$ tied to a string are hanging over a light frictionless pulley. What is the acceleration of the masses when light free to move ? <br> ($g = 9.8\; m/s^2$) <br>

The difference between spermiogenesis and spermiation is

One end of string of length l is connected to a particle of mass 'm' and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed 'v' the net force on the particle (directed towards center) will be (T represents the tension in the string)

Consider the junction diode as ideal. The value of current flowing through AB is : <br>

Two metal wires of identical dimensions are connected in series. If $\sigma_1$ and $\sigma_2$ are the conductivities of the metal wires respectively, the effective conductivity of the combination is :

The shared terminal duct of the reproductive and urinary system in the human male is:

What is the correct sequence of sperm formation ?

Ribosomal RNA is actively synthesized in

Which one of the following structural formulae of two organic compounds is correctly identified along with its related function ? <br>

The main arena of variuos types of activites of a cell is –

Which one of the following is considered important in the development of seed habit ?

Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?

Evolutionary history of an organism is known as-

There exists a close association between the alga and the fungus within a lichen. The fungus -

A terrestrial animal must be able to -

Which element is located at the centre of the porphyrin ring in chlorophyll : -

Bamboo plant is growing in a far forest then what will be the trophic level of it : -

Which one correctly matched : -

Irregularity is found in drosophila during the organ differentiation for example- inplace of wing, long legs are formed. Which gene is responsible for :

Contractile protein is :

There are some bags of rice each weighing 97.5 kg. If the total weight of all the bags is 682.5 kg, find the total number of bags.