HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Important Questions

An electron, a proton, an α-particle, and a hydrogen atom are moving with the same kinetic energy. The associated de Broglie wavelength will be longest for ______.

What is Magnetic intensity?

State the principle on  which transformer works.

What is electromagnetic induction?

Draw the circuit diagram of a half-wave rectifier. Hence explain its working. 

Write the functions of three segments of a transistor.

Explain the following concept with an example.

Digitalisation

Write differences.

Pre-Independence and Post-Independence periods of the Women’s Movement in India.

Write differences.

Social Movement and Social Change

Give an account of polyembryony.

Explain any two contrivances or outbreeding devices for pollination.

Describe any three adaptations in anemophilous flowers.

With the help of a neat, labelled diagram describe the human male reproductive system.

Describe the T.S. of human testis

Write a note on human sperm

Identify the IUD in the given diagram.

Identify the parts labelled in the given diagram.

Human pregnancy shows three prominent trimesters. Answer the following question based on these trimester.

1. What is morning sickness during the first trimester?
2. Name the hormone secreted in the second trimester.
3. The organ which secretes hormone in second trimester is

Describe hormonal control in various phases of the menstrual cycle.

Expand the term ZIFT.