Between the primary and secondary rainbows, there is a dark band known as Alexandar’s dark band. This is because

25 primary oocytes → 25 ovum (because cytokinesis is unequal leading to polarbody formation)  25 primary spermatocytes → 100 sperms (due to equal karyo & cytokinesis)

Capital market includes all those organisations, institutions and instruments that provide long-terms and medium-term funds through shares, bonds, debentures, etc. It consists of development banks, commercial banks and stock exchanges. Two...

Difference between Primary Market and Secondary Market: Basis Primary Market Secondary Market Types of securities There is sale of new securities issued by new companies or existing companies to investors. There is only trading or marketing...

Difference between Primary Market and Secondary Market: Basis Primary Market Secondary Market Types of securities There is sale of new securities issued by new companies or existing companies to investors. There is only trading or marketing...

Primary batteries contain a limited amount of reactants and are discharged when the reactants have been consumed. Secondary batteries can be recharged but take a long time to recharge. Fuel...

(i) Primary (ii) Secondary (iii) Tertiary

The primary memory is volatile and has limited storage capacity, whereas secondary memory is non-volatile and can store huge amount of data.

It is also known as Secondary Storage or Auxiliary Memory. It is slower and cheaper form of memory, which is a permanent storage device. CPU does not access the secondary...

(a) Secondary memory is the slowest and cheapest form of memory. It cannot be processed directly by the CPU and it must be first copied into RAM.

When we see in a completely dark room, we are not able to see anything because there is no light in the dark room.  (a) We can see bulb due to...