# Archives

## Find the zeroes of the polynomial x2 + x – p(p+1)

Answer: Zeros of a polynomial can be defined as the points where the polynomial becomes zero on the whole. A polynomial having value zero (0) is... View Article

## Differentiate between parenchyma, colenchyma and sclerenchyma

Parenchyma Collenchyma Sclerenchyma These are the cells found in the soft part of plants, such as leaves, fruits. These cells are... View Article

## Find the value of k for which function f(x)={(Sinx-cosx)/4x-x,xâ‰ pi/4. X, x=pi/4} where x is continuous at pi/4

Given that f(x)={(Sinx-cosx)/4x-x,x≠pi/4. X, x=pi/4} where x is continuous at pi/4 f(x) = { sinx - cosx}4x-x {x } x not equal to π4 x is... View Article

## What is ozone gas? What is the distance between Pluto to Sun?

Ozone is a natural gas comprising of three oxygen atoms. It is blue in colour and has a pungent odour. Most of the ozone gas is found in the... View Article

## Write any two uses of microorganisms

Microorganisms or microbe is an organism that is invisible to naked eye and can be seen by using microscope. These can be unicellular or multi... View Article

## Which organelle is responsible for production of energy in a cell?

The organelle is responsible for production of energy in a cell is mitochondria. This is the most vital part of cell as it takes the food and... View Article

## Solve using quadratic formula : 4x^2 + 4ax + ( a^2 + b^2 )

Given equation: 4x² +4bx -(a² -b²) = 04x² +4bx -a² + b² =0 On factorising we get,(2x)² + 2.(2x).b + b²... View Article

## How to separate alcohol and water?

To separate two liquids we use the method of fractional distillation.Â Fractional distillation is a method for separating a liquid from a mixture... View Article

## Differences between annelids and arthropods

Annelida: Phylum Annelida is a very broad phylum belonging to the kingdom Animalia. The Annelids are found in aquatic as well as terrestrial... View Article

## What do you mean by cell?

The cell is the basic structural and fundamental unit of life of all living organisms. It is the building block of life. Robert Hooke first... View Article

## Find the area of a square park whose perimeter is 320

Given that: Perimeter of a square park = 320 m We need to find the area We know that perimeter of a square= 4 X side Therefore 4 X side = 320... View Article

## Assertion- Alloys are commonly used in electrical heating devices like electric iron and heater. Reason- Resistivity of an alloy is generally higher than that of its constituent metals but the alloys have low melting points than their constituent metals. Explain

Answer: Alloys are metal mixtures with other elements, the precise combination of which is governed by the properties required. In... View Article

## Synaptic plasticity results in growth processes. Explain

The biological process by which specific patterns of synaptic activity results in changes in synapticstrength and contributrs to development of... View Article

## How does evaporation cause colling?

In general terms evaporation is defined as the process in which the liquid state is convverted in to gas. This process requires heat energy.... View Article

## If the 6th term of an A.P. is equal to four times its first term and the sum of first six term is 75 ,find the first term and common difference.

Given that: The 6th term of an AP is equal to four times its first term and the sum of first six terms is 75 Let us assume first term = a... View Article

## Explain actinoid contraction

Actinides are elements with atomic numbers from 90 to 103 following element Actinium. They include naturally occurring elements of thorium,... View Article

## A solid iron cuboidal block of dimensions 4.4mÃ—2.6mÃ—1m is cast into a hollow cylindrical pipe of internal radius 30 cm and thickness 5 cm. Find length of the pipe?

Given Dimensions of cuboidalÂ block Length, l = 4 m Breadth, b = 2.6 m Height, h = 1 m Dimensuons of cylindrical pipe Internal radius,= 30... View Article

## Name the substance used in manufacturing of cement which produces large amount of heat when mixed with water.

The raw materials used in the manufacturing of cement are: 1. Clay 2. Lime stone 3. Sand, fly ash/pulverised fuel ash (PFA), or ironstone to... View Article

## 14 May 2020: UPSC Exam Comprehensive News Analysis

14 May 2020 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related POLITY AND GOVERNANCE 1. â‚¹3,100 crore from PM CARES... View Article

## 13 May 2020: PIB Summary & Analysis

May 13th, 2020 PIB:- Download PDF Here TABLE OF CONTENTS 1. Desert Locust Control 2. Jal Jeevan Mission 1. Desert Locust Control Context:... View Article