HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

What is redifferentiation?

Deposition of fatty substances in the lining of arteries results in ____________.

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

What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?

Describe the human male reproductive system.

____________ contribute about 60% of the total volume of the semen.

The external layer of connective tissue sheath of human testis is __________.

Pituitary dwarfism is treated with gene therapy by____

(A) Human insulin
(B) Tissue growth factor - Beta
(C) Tissue plasmogen activator
(D) Human growth hormone producer gene

What is the full form of IVF?

Describe the T.S. of human testis

Write a note on human sperm

Describe the male reproductive systems in humans.

Describe the functions of the following: 

Prostate gland 

Sketch and label T.S. of human artery.

With the help of labelled diagramms describe the structures of human sperm and unfertilized ovum. 
A couple is unable to conceive. Which modern techniques are available to overcome this problem? 

Which of the following is NOT caused by unsterilized needles?

Elephantiasis is caused by ____________.

Name the vector of Filariasis.

Explain the mode of infection and cause of elephantiasis.

How does the transmission of the following diseases take place?

Ascariasis