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

Short Answer Question:

Enlist the role and deficiency symptoms of Phosphorus.

Short Answer Question:

Enlist the role and deficiency symptoms of Potassium.

Long answer question:

A man’s pulse rate is 68 and cardiac output is 5500 cm3 . Find the stroke volume.

Long answer question:

If the duration of the atrial systole is 0.1 sec and that of complete diastole is 0.4 sec, then how does one cardiac cycle complete in 0.8 sec?

Describe any three functions of hypothalamus.

Nullisomy is represented by ______.

Identify the odd one:-

In humans, the sex chromosome complement is

Define euploidy.

Give the example of X- monosomy you have studied.

______ associated with plants like Azolla and Cycas can be used as a biofertilizers.

State any three benefits of mycorrhiza.

State any three benefits of Biofertilizers.

Match the column A with B and rewrite correct pairs.

Describe the structure of sex chromosomes with the help of labelled diagram.

Explain the structure of chromosomes with labelled diagram.

Draw diagrammatic representation of cardiac cycle. Explain ventricular systole.

Which one of the following is not a nitrogen-fixing organism?

Briefly describe the following:

Angina Pectoris

Abscission means ______.