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

Select and rewrite the appropriate disorder of the respiratory system with the given symptom.

Inflammation of larynx, vocal cord, sore throat, hoarseness of voice, mucous build up and cough.

Select and rewrite appropriate disorder of respiratory system with the given symptom.

Inflammation of fibrosis, lung damage.

Explain one type of mutualism.

Give the principles of Darwin's theory of natural selection.

Objection to Darwin's theory of natural selection.

All organisms produce more young ones. Comment

Define the following:    
Implantation

Answer each question in ‘One’ sentence only: 

Identify which one of the following is a test cross. 

What is ‘biopatent’? Give any two examples.

Multiple choice question.

___________ is in direct contact of brain in human.

What is the function of the red nucleus?

Very very short answer question.

What is the importance of Corpora quadrigemina?

What does the cerebellum of the brain control?

Short answer question

Rakesh got hurt on his head when he fell down from his motorbike. Which inner membranes must have protected his brain? What other roles do they have to play?

Short answer question

Give a reason - Injury to medulla oblongata may prove fatal.

Short answer question

Distinguish between the sympathetic and parasympathetic nervous system on the basis of the effect they have on: a. Heartbeat b. Urinary Bladder

Long answer question

Draw the neat labelled diagram of L. S. of the human brain.

Long answer question

Krishna was going to school and on the way, he saw a major bus accident. His heartbeat increased and hands and feet become cold. Name the part of the nervous system that had a role to play in this reaction.

Long answer question

Explain the Reflex Pathway with the help of a neat labelled diagram.

What is schizont?