This blog is related to education ie science and health. It provides the information or materials for public service commission (lok sewa aayog of Nepal). It also provides the important notices about different field.
SEE science model set - 2
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This model set is based on old model. But it is very helpful for the students who appearing in see examination. Keep on practicing! Good luck! for the exam.
Gravity or weight Gravity is defined as the force of attraction exerted by the earth on a body towards its centre is called force of gravity or weight of the body. It is vector quantity. The SI unit of it is Newton(N). This relation shows that greater the mass of the heavenly body greater will be the force of gravity given by it. As the gravity increase the weight of a body also increase. Gravity of a heavenly body is inversely proportional to the square of the radius of that heavenly bady. Effects of gravity 1. We can stand,walk, play and perform other activities freely on the earth due to its gravity. 2. The rivers flow up to down due to the gravity. 3. The earth is covered by the atmosphere. 4. All types of objects thrown upwards return to the earth's surface.
Those animals which have no backbone or vertebral column are called invertebrates. They are classified into nine phyla. Characteristics of the animals of these phyla are given below: 1. Phylum: Protozoa i. They are unicellular organisms. ii. They are mostly found in water. iii. These animals have pseudopodia, flagella or cilia for locomotion. iv. They can be free living or parasitic. Some examples: amoeba,paramecium etc 2. Phylum: Porifera i. Porifera means pore bearer animals, commonly called sponges. ii. Most of them are marine organisms except spongilla. iii. They are diploblastic animals. iv. They respire through general body surface. V. They do not move from place to place, so they are called sessile. vi. The presence of calcium and silicon makes their body rigid and strong. vii. Sponges have two types of openings on their body surface i.e. ostia(mouthlets) and osculums(anus). Some examples: sycon, spongilla,euspongia etc. 3. Phylum: Coelenterata i. The body of ...
Corona virus disease(COVID-19) was first seen on 31 december 2019 in Wuhan city of China. Now it was spread all over the world along with United state. Now it becomes pandemic all over the world. There is no specific medicine for the treatment of COVID-19 in the world. The first case of COVID-19 pandemic, in Nepal was reported on 24 january 2020 in kathmandu. Due to the corona virus disease most of the country in the world are in lock down state. The Nepal government announces the lockdown from 24 march 2020. Due to the lock down to prevent the spread of corona virus disease, all the economic activities are halted in Nepal. This situation affect in all sector of the economy. This COVID-19 affect our visit year 2020 also. Most of the industry were stoped. All the educational institutions are closed. The manufacturing company and industry also closed due to the lack of labor and raw materials. Nepal is highly dependent on remittance. One third of total GDP is covered by the remittance....
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