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

Give observed symptom when the following mineral are deficient.

Deficiency of Zn

Give observed symptom when the following mineral are deficient.

Deficiency of K

A root hair is derived from ______ cell.

What are the time durations for each of the following events in cardiac cycle?

1. Atrial systole
2. Atrial diastole
3. Ventricular systole
4. Ventricular diastole

Small swellings on the surface of the chromosome are called______.

Name the enzyme that catalyses the synthesis of the primary transcript.

List the changes that the primary transcript undergoes to become functional mRNA.

Name the microorganisms involved in the production of Roquefort cheese, Camembert cheese and Swiss cheese.

Define the term Vital capacity.

Match the following:

Enlist different advantages of transpiration.

Define Aneuploidy.

Sketch and label the T.S. of vein.

Sketch and label the V. S. of pituitary gland.

Very very short answer question.

What is the cause of abnormal elongation of long bones of arms and legs and of the lower jaw?

Short answer question

Where is the pituitary gland located? Enlist the hormones secreted by the anterior pituitary.

Long answer question

Explain the role of the hypothalamus and pituitary as a coordinated unit in maintaining homeostasis?

What is adenohypophysis?  

Give scientific reason.

Arteries are thicker than veins.

Why can you feel a pulse when you keep a finger on the wrist or neck but not when you keep them on a vein?