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The outermost boundary wall of an animal cell is called as the (a) Plasma Membrane (b) Nucleus (c) Cytoplasm (d) Cell wall

The outermost boundary wall of an animal cell is called as the plasma membrane. Hence, the correct option is (a) Learn more: Cell Wall and Cell... View Article

Give the composition of following alloys (a) brass (b) german silver

An alloy is a substance formed from the combination of two or more metals. Alloys can also be formed from combinations of metals and other... View Article

The value of ^ncn is (a) n (b) 0 (c) 1 (d) n!

We Know that To calculate the value put in the above formula Therefore, the value of is 1 So, the correct option is (c)... View Article

Green chemistry means such reactions which (a) produce colour during reactions (b) reduce the use and production of hazardous chemicals (c) are related to the depletion of ozone layer (d) study the reactions in plants

Green Chemistry means such reactions which reduce the use and production of hazardous chemicals. Hence, the correct option is (b) Learn more:... View Article

A ball moving with a momentum of 5kgm/s strikes against a wall at angle of 45 degree and is deflected at the same angle. Calculate the change in momentum.

Given P = 5 kg/s θ = 450 From the figure, there is no change in perpendicular component and cancel each other The initial momentum along x... View Article

Two identical short bar magnets each having magnetic moment of 10 Am^2, are arranged such that their axial lines are perpendicular to each other and their centres be along the same straight line in a horizontal plane. If the distance between their centres is 0.2 m, the resultant magnetic induction at a point midway between them is (μ0 = 4π x 10^-7 Hm^-1)

From figure On further calculation, we get, We get, = 5 x 10-3 Tesla... View Article

Forest conservation act was passed in the year (a) 1980 (b) 1972 (c) 1927 (d) 1867

Forest conservation act was passed in the year 1980. Hence, the correct option is (a) Learn more: Forest Conservation Act... View Article

The dynamic lift of an aeroplane is based on (a) Torricelli theorem (b) Bernoulli’s theorem (c) Conservation of angular momentum (d) Principle of continuity

The dynamic lift of an aeroplane is based on 'Bernoulli's theorem'. Hence, the correct option is (b) Learn more: Dynamic lift... View Article

Sal and teak are found in (a) Tropical rain forest (b) Tropical deciduous forest (c) Temperate board left forest (d) Temperate needle left forest

Sal and teak are found in tropical deciduous forest These are the most widespread forests of India. They are also called the monsoon forests and... View Article

Which of the following units is not equivalent to Farad? (a) CV^2 (b) J/V^2 (c) Q^2/J (d) Q/V

The Farad can be defined as the unit of electrical capacitance. It provides a means to measure the ability of a substance to store electric... View Article

Differentiate between functional and divisional structure of organization on any six basis.

The points of difference between functional structure and divisional structure are as follows. Functional structure Creation: Functional... View Article

Explain the lender of last resort function of the central bank

Lender of last resort: The central bank acts as a lender of last resort by providing money to its member banks in times of cash crunch. It... View Article

Which plant hormone promotes cell division? (a) Auxin (b) Cytokinin (c) Ethylene (d) Gibberelin

Cytokinin promotes cell division Cytokinins are a group of plant growth regulators which are primarily involved in performing cell division in... View Article

Explain any five characteristics of coordination

Characteristics of coordination are as follows: 1. Coordination assimilates group efforts 2. Coordination assures unity of action 3.... View Article

What is meant by molecular mass?

The molecular mass is defined as the total sum of the masses of the atoms or elements present in the molecule... View Article

State true or false: Every kite is a parallelogram

The given statement is false. A kite is a quadrilateral that has 2 pairs of equal-length sides and these sides are adjacent to each other.... View Article

The first Law Officer of the Government of India is the (a) Law Minister (b) Chief Justice of Supreme Court (c) Attorney General of India (d) None of the above

The 'Attorney General of India' is the first Law Officer of the Government of India. Hence, the correct option is (c) Learn more: Attorney... View Article

What are MNCs? Explain

MNC is the Multinational Corporation. MNC relates to a corporation that operates from one nation in which it is headquartered and operates in two... View Article

What is meant by (i) elements (ii) compound and (iii) mixtures. Write down the names of two elements, two compounds and two mixtures.

(i) Element: A substance that cannot split into two or more simpler substance by chemical methods. Examples: carbon and oxygen are non-metals,... View Article

What is the main difference between sperms and eggs of humans? Write the importance of this.

Difference between Ovum and Sperm Sperm Definition: Sperm is the male gamete Motility: Motile Size: The smallest cell in the human body... View Article

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