HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

In which interaction of species, both the species are at a loss?

Adsorption of water by hydrophilic colloids is called______.

What were the control measures taken by Delhi Government for combating air pollution?

Why do the wooden doors become very hard to close and open in rainy season?

Describe mutualism. 

What is differentiation?

What is redifferentiation?

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

Breakdown of alveoli, shortness of breath.

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

Inflammation of the sinuses, mucous discharge.

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 term:

Plasmolysis

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.

Define the Cohesive and Adhesive forces.