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

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

Very short answer type question:

What is hydrophily?

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?  

Long answer type question

Name any 2 personalities who have contributed to control deforestation in our country. Elaborate on the importance of their work.

At which stage pollen grains are shed from the anther in Angiosperms?

Mention various adaptations for wind pollination.

What are the different adaptations shown by bird-pollinated flowers?

Explain water pollination in detail with its types.

Give an account of any two biotic agents for pollination along with their adaptations.

Which disease is caused by hyper secretion of Glucocorticoids?

Give an account of various abiotic agencies used in pollination along with their adaptations for pollination.

Sketch and label V.S of Pituitary gland.

Give the names of the hormones released by neurohypophysis.

A boy shows excessive thirst and micturition because of deficiency of a hormone secreted by neurohypophysis. Name the disease he is suffering from.

Describe any four hormones secreted by Adenohypophysis.

Hyper secretion of growth hormone in childhood cause ______.

A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by ______.

Which one of the following may require pollinators, but is genetically similar to autogamy?