Latest News

/Latest News
Latest News2015-12-02T10:52:51+05:30
1207, 2022

What To Do After 12th?

By |July 12th, 2022|Categories: study guide|

After the tenth results are out, there's one common question that strikes in each student’s mind “What next once the 12th”? Science, Commerce or Arts? Which stream should we pursue for our future? this can be a typical confusion that almost all scholars face. each field encompasses a heap of career opportunities however selecting the proper stream within which students have an interest ought to be the most concern. [...]

707, 2022

Solar System and Planets

By |July 7th, 2022|Categories: What is|

The scheme includes the Sun, the world (where you're now!), and every one of the opposite planets, asteroids, and comets that go around and around it. You may suppose that the world could be a pretty massive place, however, the world isn’t even the most important planet within the scheme. the most important planet is Jupiter – you may work one,321 piles of earth within Jupiter. The Sun is [...]

302, 2022

Offline vs Online class :effects on student

By |February 3rd, 2022|Categories: What is|

As this pandemic situation occurred the whole world had proceeded to an online mode of teaching. Google meet, google classroom, zoom are some most preferable platforms to take the classes. But nowadays students are facing some problems during online classes. So is the process bad? Is everything good in offline mode? So let’s discuss some points over this. Online classes can be said a pathway [...]

101, 2022

Software and its classification

By |January 1st, 2022|Categories: What is|

FIRST WE NEED SOME PRELIMINARY KNOWLEDGE ABOUT SOFTWARE AND HARDWARE. HARDWARE: The devices by which a whole computer is made up of, are called hardware. Hardware is visible and touchable. Hardware can be connected as per our requirements. Hardware can be divided into four parts, like input device, output device, central processing unit, storage unit. Examples printer, monitor, mouse, keyboard etc. SOFTWARE: The computer [...]

101, 2022

What is Computer?

By |January 1st, 2022|Categories: What is|

COMPUTER is an electronic device which is made up of HARDWARES and SOFTWARES. Hardware part describes the physical functionality of computer and Software parts helps to control the Hardware, and run the OPERATING SYSTEM, etc. In another way, we can say that this takes the data as input from the user then process that data with the help of some instructions and generates the output in the monitor which [...]

101, 2022

Cells and Virus

By |January 1st, 2022|Categories: What is|

Cells: Cells can be called a basic building block of the body or living things. Cells can be divided into two parts. One is PROKARYOTES and one is EUKARYOTES. A EUKARYOTIC cell has a nucleus and membrane-bound organelles, whereas the prokaryote does not have that organ. Most of the plants and animals are eukaryotes. But many microbes like bacteria consist of a single cell. As an example, the Human [...]

101, 2022

What is Immune System?

By |January 1st, 2022|Categories: What is|

The system that consists of different cells and their combinations that protects the body from infection and the harmful effects of pathogens is called the immune system. DIFFERENT CELLS OF THE IMMUNE SYSTEM The cells of the body that are involved in the immune system are lymphocytes, nodule cells, mononuclear phagocytes, granular leukocytes, mast cells, dendritic cells. Mononuclear phagocytes are again two types of monocytes [...]

101, 2022

What is Sound?

By |January 1st, 2022|Categories: What is|

Sound is a kind of energy. SOURCES OF SOUND Any vibrating object acts as a source of the sound. The source of the word is called vibration. Sound can be solid, liquid, or gaseous. Let us know about some of the sources of sound making. Origin of sound as a result of vibration: Some sand particles are spread on a thin tin sheet firmly attached [...]

2911, 2021

What is Volcano:

By |November 29th, 2021|Categories: What is|

The term volcano has been derived from Vulcan-The Roman God of Fire. A volcano was known as the mountain of fire & people used to regard it with faith. A volcano is not a mountain.It is a vent or an opening, usually circular or nearly circular in form, through which heated materials consisting of water, gases & liquid lava & rock fragments are erupted from the highly interior to [...]

2911, 2021

What is Matter :

By |November 29th, 2021|Categories: What is|

Matter makes up all the things in the universe. It occupies space & has mass.Matter is made up of tiny particles called atoms.Usually,an atom does not exist independently.Therefore,atoms combine to form molecules.The atoms or molecules are tightly packed in solids & loosely packed in liquids & gases.These particles have random motion in gases. Kinetic molecular theory of matter : The theory that enables us to understand the behaviour [...]

2911, 2021

Food & Health :

By |November 29th, 2021|Categories: What is|

What is Food : Food can be defined as anything solid or liquid which when swallowed,digested & assimilated in the body,helps to keep the body in a state of health. Foods after ingestion,digestion & absorption,is utilized by the body for proper functioning.It provides the nutrients which helps us to maintain our health. The chemical substances present in food which perform different functions relating to body growth & development & [...]

2911, 2021

What is Ecosystem:

By |November 29th, 2021|Categories: What is|

The sum total of organism, environment & the interaction between them is called the Ecosystem. The term was coined by Sir Arthur Tansley in 1935 which was later defined by Eugene P.Odum in 1940 as the basic unit of ecology. Components of Ecosystem 1) Biotic or living components : It includes all kinds of organisms;plants,animals or microorganisms. 2) Abiotic or Non-living components : These components are non-living & [...]

2911, 2021

What is Communication & Extension:

By |November 29th, 2021|Categories: What is|

Communication is transfer of information from one person to another, whether or not it elicits confidence. But the information must be understandable to the receiver. It is the process of transmission of ideas,thoughts,feelings & behaviour from one person to another person. Communication is persuasive & seeks to obtain a desirable response to what is being transmitted & it's a two way process. Nature of communication : Communication is [...]

2910, 2021

What are the types of computers?

By |October 29th, 2021|Categories: What is|

Ans: Computers can be classified in three major categories. These are: 1. Based on Types 2. Based on Size 3. Based on Purpose 1. Based on Types • Analog Computer – An analog computer is the one that uses the continuously changeable aspects of physical phenomena to model the problem to be solved. These include electrical, mechanical, or hydraulic quantities. They are extremely difficult to use. These [...]

2910, 2021

What is Reproduction?

By |October 29th, 2021|Categories: What is|

Ans: The process of producing offspring that are biologically or genetically similar to the parent organism is called ‘reproduction’. What is Reproduction? The meaning of reproduction is to reproduce. The continuity of species, generation after generation is ensured by reproduction. Reproduction is the main feature of living things. Types of Reproduction There are basically two types of reproduction: a. Asexual Reproduction b. Sexual Reproduction a. [...]

2910, 2021

What is so Special About the Metric System?

By |October 29th, 2021|Categories: What is|

Ans: Everything we see around us, starting from the amount of salt you add into your food to the length of the field where you race with your friends, has a way to be measured. Now let’s know about the measuring system which helps you measure almost everything around you! That system is known as the ‘Metric System’ of measurements. Our everyday life is so easy because of it. [...]

2910, 2021

What is Karyokinesis?

By |October 29th, 2021|Categories: What is|

Ans: Karyokinesis is also known as mitosis, which is divided into some phases - prophase, prometaphase, metaphase, anaphase, and telophase. This result in the division of the cell nucleus. Prophase: The “first phase”. The nuclear envelope starts to dissociate into small vesicles. The Golgi apparatus, endoplasmic reticulum and other membranous organelles fragment and disperse toward the periphery of the cell. First the nucleolus disappears and then the [...]

2710, 2021

What are coordination compounds

By |October 27th, 2021|Categories: What is|

A central metal atom is surrounded by nonmetal atoms or groups of atoms in coordination compounds. These surrounding groups or atoms are called ligands, they are joined to it by chemical bonds. Examples of coordination compounds - vitamin B12, haemoglobin, and chlorophyll, dyes and  igments, and catalysts used in preparing organic substances.Coordination compounds are vastly used as catalysts (they change the rate of chemical reactions). The production of polyethylene and [...]

2710, 2021

What is X-Ray

By |October 27th, 2021|Categories: What is|

Similar to visible light, X-rays are a form of electromagnetic radiation. But x-rays have higher energy and can pass through most objects (also the human body). Images of tissues and structures inside the body are generated in medical x-rays. An image will be formed that represents the “shadows” formed by the objects inside the body while x-rays travelling through the body also pass through an x-ray detector on the [...]

2510, 2021

What is Python?

By |October 25th, 2021|Categories: What is|

Ans: Python is one of the most popular programming languages. It’s high-level, general-purpose and used widely for its simplicity. Python (latest is Python 3 onwards) is being used almost in every department including web development, Machine Learning applications, game development, along with all cutting-edge technology in Software Industry. Python is very suitable for beginners, intermediates and also for experienced programmers with knowledge in other programming languages like C++ and [...]

2510, 2021

What is biotechnology?

By |October 25th, 2021|Categories: What is|

Ans: Biotechnology is the branch of science that uses living organisms, systems or any other things make or create technology related products to improve quality of human life. It is abbreviated as Biotech and can coincide with molecular biology, bionics, bioengineering, genetic engineering and nanotechnology depending on techniques and tools involved. Scientists can make advances and adaptations to technology in various fields by harnessing cellular and biomolecular processes. Traditional [...]

2510, 2021

What are Chromosomes?

By |October 25th, 2021|Categories: What is|

Ans: There are structures located inside the nucleus of animal and plant cells which look like spiral threads, they are called Chromosomes. These are made of a single molecule of DNA and protein. Parents pass them to their children while DNA contains specific instructions to make each type of living creature (plants, animals or anything) unique. The Greek words chroma (colour) and soma (body) are the origin of the [...]

2110, 2021

What is Ozone layer

By |October 21st, 2021|Categories: What is|

Ans: The ozone layer is the layer of gas, called ozone, in the upper atmosphere (stratosphere) which helps in protecting the living things from the deadly strong ultraviolet radiation of the Sun. It is like a protection shield to all life forms residing in earth. What is Ozone? Ozone gas’ molecule is made of three oxygen atoms, instead of two oxygen atoms that we breathe. The chemical [...]

2110, 2021

What is Light

By |October 21st, 2021|Categories: What is|

Ans: Light is just a form of energy (also called electromagnetic energy) that travels at a constant speed from one place to another and gets reflected, refracted or absorbed by the surfaces of objects. Light isn’t made of matter, so it doesn’t have mass. When it hits our eye, we see the objects from which the light is reflected or emitted. So, do we really see light? The simple [...]

2110, 2021

What are Neutrons

By |October 21st, 2021|Categories: What is|

Ans: Neutrons are subatomic particles that are one of the primary constituents of atomic nuclei. They are represented by ‘n’ or ‘no’. Neutrons are chargeless. They do, however, have mass which is slightly greater in magnitude than that of a proton. Neutrons and protons are collectively referred to as nucleons, since they behave in a similar manner inside the nuclei of atoms. The mass of a neutron is approximately [...]

2110, 2021

What are Cathode rays

By |October 21st, 2021|Categories: What is|

Ans: Cathode rays (also called an electron beam or an e-beam) are streams of electrons observed in vacuum tubes. The glass opposite the negative electrode starts glowing when an evacuated glass tube equipped with two electrodes is applied a certain voltage and the electrons hit the aforementioned glass wall. Electrons were first discovered as the constituents of cathode rays. The image in a classic television set is created by [...]

2110, 2021

What is Photosynthesis

By |October 21st, 2021|Categories: What is|

Plants, algae and certain bacteria use photosynthesis to harness the energy of the Sun and use that to make chemical energy. Types of photosynthesis photosynthetic processes are of two types: oxygenic and anoxygenic. The general idea of the two are similar, it’s just that oxygenic photosynthesis is seen more commonly among plants, algae and cyanobacteria. The energy of light transfers electrons from water (H2O) to carbon dioxide [...]

2110, 2020

You got fewer marks than expected

By |October 21st, 2020|Categories: self help|

Sometimes it seems that the exam and the result are like north pole and south pole. Sometimes your result disappoints you. Ever wonder why it happens? It happens only for getting careless about something which should be cared for us in the examination hall. So, here are some tips below to make sure about your marks... Clear handwriting It is different between beautiful handwriting and [...]

2110, 2020

Tricks of vedic mathematics

By |October 21st, 2020|Categories: study guide|

I hope you already gather some knowledge about Vedic mathematics from the previous blog. If you haven't read that blog kindly check out addition-tricks-using-vedic-mathematics  to know what is Vedic mathematics, its history and why its useful to us. So, here we gonna discuss about ADDITION TRICKS using Vedic mathematics. Let's start… Conventional method   In this method, First, you have to make a chart of ones, [...]

2110, 2020

Deal with negative thought

By |October 21st, 2020|Categories: Mental Strength|

Thinking too much is not an issue for us. Scientists, researchers, authors and many more people have to think too much to put the effort into their work. Thinking in the right way is good for us. But thinking in a negative way can ruin everything. Now, the question comes WHAT IS NEGATIVE THOUGHT? A negative thought is nothing but a thought which flows only in a negative way [...]

2110, 2020

How to get rid of exam fear

By |October 21st, 2020|Categories: study guide|

‘Oh god! Why exams occur?’- this line may have comes to everyone's mind. We all got feared about the exam, and when it comes for our dislikeable chapter, it makes our heart beat fast to faster. Ever wonder why? Why does it happen in spite of being prepared for the exam? If you come to know why does it happen, then u will short out that fear in just [...]

2010, 2020

How to do a proper revision

By |October 20th, 2020|Categories: study guide|

After locking the door, if we need to check whether its got locked or not, we must try to drag the lock for once right? In the case of studying, revision is that part where we get rid of all the confusions. Now you can tell me there is no time for doing revisions as because the syllabus is too big, but I can show you the way where [...]

2010, 2020

You shouldn’t do while studying

By |October 20th, 2020|Categories: study guide|

Everyone has their own way to study. Some of us love to study in the morning, some of us love to study at night. But there is one thing in common that, they both do study for understanding something, learning something or memorise something.  In that period of time, we face some problem like less energy, less curiosity, lack of desire. That's why studying gets bored. But the [...]

2010, 2020

Tips to fall in love with your study

By |October 20th, 2020|Categories: study guide|

Ever wonder why u don’t need any guide to gather interest while playing video games? if u can play games for hours and hours without any boredom, then why boredom hits when you sit to study, ever asked yourself? Many of us preferred playing with something or chatting with someone or watching TV rather than studying. Let's discuss why we don't love to study It seems boring [...]

2010, 2020

Exam period of their child

By |October 20th, 2020|Categories: exam preparation|

I know an exam of your child is your exam too. It is a very hard time to handle that pressure when your child appears in an exam because u don’t know what will your child do in the examination hall.  But every parent did some mistake during their child's exam, as a result of that, your child falls into more pressure. Do you know about the mistakes? Okay, [...]

909, 2019

How to get over from exam fear

By |September 9th, 2019|Categories: exam preparation|

'Oh god! Why exams occur?’- this line may have comes to everyone's mind. We all got feared about the exam, and when it comes for our dislikeable chapter, it makes our heart beat fast to faster.    Ever wonder why? Why does it happen in spite of being prepared for the exam?  If you come to know why does it happen, then u will short out that fear in just [...]

COURSES

EVENTS

LATEST NEWS

Join Over 500,000 Students Enjoying Holy Rock School Now

Become Part of Holy Rock Family to Prepare for the Future.

Reach Us

Nawab Haat, Suri Road, Burdwan-713104

Mobile: +91-7477705555/6666

Fax: 0342 2656222

Web: Holy Rock School