Name the scientist who discovered protoplasm
Dujardin (1835) – discovered the protoplasm and named as “sarcode”. J.E. Purkinje (1839) – first introduced the term ‘Protoplasm’. J.S.... View Article
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Why cold is not a matter but a cold drink is?
Anything that has mass and occupies space is known as matter. Matter can be present in solid, liquid or gaseous... View Article
Does cell division occur in Multiple Fission?
Multiple fission at the cellular level occurs in many protists, e.g. sporozoans and algae. The nucleus of the parent cell... View Article
How to find angle of elevation and depression?
The angle of elevation of an object as seen by an observer is the angle between the horizontal and the... View Article
What happens when sulphur and iron are heated?
When iron filings and sulphur powder are mixed and heated they undergo a chemical reaction and form ferrous sulphide (FeS).... View Article
How to convert decimal numbers to p/q form?
The fraction is defined as the ratio of two numbers. It means that it is the ratio of numerator value... View Article
What kind of Cell Division do human beings do?
There are two ways cell division can happen in humans and most other animals, called mitosis and meiosis. When a... View Article
What do we mean by square and triangle numbers?
A number (such as 3, 6, 10, 15) representable by that many dots arranged in rows that form a triangle... View Article
Why tin has an exceptionally low melting point?
The low value for tin’s melting point compared with lead is presumably due to tin forming a distorted 12-co-ordinated structure... View Article
What can be used to measure the volume of sand?
To determine the volume, we take a short length of the capillary tube and fuse the bottom end and use... View Article
Does friction acts while the object is in rest?
The force required to overcome the friction when trying to set a body at rest in motion is called static... View Article
Write about the utility and value of resources.
The utility is what makes an object or substance a resource. The factors that determine the utility of any natural... View Article
Is sudden forest fire is only caused by mankind?
One of the main reasons for the forest fire is the hands of human beings. Forest fire is synonymous with... View Article
How a convex mirror can form a diminished image?
Virtual images are always formed by a convex mirror. The distance from the mirror to the left is taken as... View Article
What is known as the condensation of chromosomes?
Chromosome condensation is one of the major chromatin-remodelling events that occur during cell division. The changes in chromatin compaction and... View Article
What is the formula to calculate simple interest?
Simple Interest Equation (Principal + Interest) A= P (1 + rt) A = Total Accrued Amount (principal + interest) P... View Article
What is the difference between tithes and taille?
The tithe is a one-tenth part of something paid as a contribution to a religious organization or a compulsory tax... View Article
Write a short note on: The Age of revolutionaries
The Age of Revolution took place between 1763-1848 and was characterized by major revolutions. It was mostly in the America... View Article
Why the earth is having fewer satellites than mars?
Several billion years ago when the planets and the Solar System were formed, scientists believe that Mars was very similar... View Article
Explain the bond formation between NH3 and CH4 (VBT)?
It is a theory that describes chemical bonding. VBT states that the overlap of incompletely filled atomic orbitals leads to... View Article
