• The process of releasing of an egg from the ovary is called Ovulation.

• Ovulation takes place in mid cycle phase.

• Ovulation is from 13 to 17 days.

• The menstrual cycle is divided into 4 phases are following:-

o Menstrual phase

o Follicular phase

o Ovulatory phase

o Luteal phase

• Menstruation starts from the age of 10 to 15 in a girl and this beginning is known as “menarche”.

• At the age range of 50, The ending of menstruation is known as “menopause”.

● The energy obtained from atoms is known as Nuclear energy.

● The energy produced by moving electric charges is called Electrical Energy.

● The energy released during a chemical reaction is called Chemical Energy.

● Heat energy is also called Thermal Energy.

● The relative molecular mass of water is 18u.

● The relative molecular mass is a dimensionless quantity.

● The mass of a given molecule is called Molecular Mass and It is measured in daltons.

● Torque is not a scalar quantity. It is a vector quantity. Torque is a measure of the force that can cause an object to rotate about an axis. The direction of the torque vector depends on the direction of the force on the axis.

● A scalar quantity is defined as the physical quantity that has only magnitude, for example, volume, temperature, and time. On the other hand, a vector quantity is defined as the physical quantity that has both magnitude and direction like force and weight.

* A force due to which moving objects (wind and water current) tend to deflect to the right in Northern hemisphere and left in Southern hemisphere is known as Coriolis force.

* The Coriolis force is an inertial or fictitious force that acts on objects that are in motion within a frame of reference that rotates with respect to an inertial frame.

* Deflection of an object due to the Coriolis force is called the Coriolis effect.

* Magnetic force is generated due to motion of charges. It is one of the four fundamental forces in nature.

* The external earth forces are known as exogenic forces and the internal earth forces are known as endogenic forces.

● The Eight schedule of the Constitution includes 22 languages.

● There are originally 14 languages in the Eight schedule of Constitution.

● English is still not recognised in the 8th schedule of the constitution of India.

● Tamil is recognized as the oldest language in the world.

● The article 343 to article 351 are related to official languages.

● The part 18th consists of articles on official languages.

● The Union territories of India have been created because they are too small to be a state.

● They are ruled directly by the state.

● They have a lieutenant governor as an administrator.

● Jammu & Kashmir is largest and Lakshadweep is the smallest union territory in India.

● Lakshadweep is the most literate and Daman and Diu is the least literate union territory in India.

● Delhi is the most densely populated and Andaman & Nicobar is the least densely populated union territory of India.

● The Supreme Court was established at Fort William in Kolkata as the Apex Court in 1774.

● The supreme court has jurisdiction in bengal, bihar and orissa for any residing person till 1781.

● It was authorized under regulation act 1773 to establish supreme court.

● In supreme court there was chief Chief Justice, 3 judges, barristers of England with 5 years experience that was appointed by crown Sir Elijah Impey who was Chief Justice of Supreme Court .

● The bengal judicature act of 1781 was passed for restriction of supreme court jurisdiction only that lived in calcutta or british cases in bengal, bihar and odisha.

● The Ajodhya Hills is located in West Bengal.

● It is a small plateau with hilly surroundings and The highest peak of Ajodhya Hills is Chamtaburu.

● It is the easternmost part of the Chota Nagpur Plateau and extended part of Eastern Ghats range.

● West Bengal was formed on 1st Nov. 1966 and Its capital is Kolkata.

● Sunderban Delta is the largest delta in the world located in West Bengal.

● West Bengal is leading producer of Rice and Jute.

• The National Rural Employment Guarantee Act was passed on September 7, 2005 under the UPA government of Prime Minister Dr. Manmohan Singh.

• This act has been renamed as the "Mahatma Gandhi National Rural Employment Guarantee Act".

• This act provides at least 100 days of wage employment in a financial year to every household whose adult members volunteer to do unskilled manual work.