HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Biology

Write a note on human sperm

Define the term:

Osmosis

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

Give an account of poultry diseases.

Give a scientific reason.

Closed circulation is more efficient than open circulation.

Name the causative pathogen of Ascariasis.

Name the vector of pathogen responsible for filariasis.

Give any four the symptoms of Ascariasis.

Find out the example in which due to absence of respiratory pigment transport of respiratory gases does not takes place.

Define haematology.

Draw the chart of double circulation and label A, B, C and D.

The vas deferens receives duct from the seminal vesicle and opens into urethra as ______.