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

Distinguish between long-day and short day plants.

Which natural cytokinin is obtained from unripe maize grain?

Name the hormones secreted by adenohypophysis.

Give reason Arterial walls are thicker than those of veins.

Which of the following is NOT an example of connecting link?

1. Archaeopteryx
2. fchthyostegia
3. Seymouria
4. Biston betularia

What is criss-cross inheritance?

Describe the roles of pituitary and ovarian hormones during the menstrual cycle in a human female.

Name the function of the following:

Corpus luteum

Lowering of blood pressure is related with the production of ____________.

Name the ‘two’ types of maps generated by H.G.P.

Define Linkage.

Define the following:

Test cross

Draw a neat and well-labeled diagram showing T.S. of the ovary and describe the menstrual cycle in human females. 

Name the instruments used for measuring blood pressure.

Define pulse.

What is blood pressure?

Very very short answer question.

Name the hormone secreted by the pineal gland.

Short answer question

While holding a teacup Mr. Kothari’s hand's rattle. Which disorder he may be suffering from and what is the reason for this?

Short answer question

An adult patient suffers from low heart rate, low metabolic rate, and low body temperature. He also lacks alertness, intelligence, and initiative. What can be this disease? What can be its cause and care?

Multiple choice question.

Rupturing of follicles and discharge of ova is known as _______.