HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Important Questions for Biology

Give the name, type and origin of the following cranial nerve:

Number-IX

Calcium and Phosphate ions are balanced between blood and other tissues by ______.

A child has low BMR, delayed puberty and mental retardation. Identify the disease.

Draw a neat diagram of thyroid gland and label thyroid follicle, follicular cells and blood capillaries.

Differentiate between sympathetic and parasympathetic nervous system with reference to the following:

1. Pre and post-ganglionic nerve fibres
2. Effect on heartbeat

Give reason – All spinal nerves are of mixed type.

Write the names of any four motor cranial nerves with their appropriate serial number.

Which hormones stimulate liver for glycogenesis and glycogenolysis?

Give the name and type of I, IV and VII cranial nerves.

Describe nervous system in planaria with well labelled diagram.

Give the name of endocrine gland which is prominert at birth but gets gradually atrophied in adult stage.

Which cells of islets of Langerhans produce a hormone insulin?

Explain the various types of cancer

Elephantiasis is caused by ________________.

Crippling disease is caused due to poisoning of ____________.

The genotype of human blood group B is ______.

Humtilin is used to treat ____________.

__________ is the infectious stage of Plasmodium.

Give the symptoms of typhoid fever and draw a labelled diagram of its causal organism.

Genotype of human blood group ‘O’ will be ______.