HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions for Biology

Define population growth. Explain different types of age pyramids.

Pick out the appropriate association representing brood parasitism.

From the given diagram, identify the type of population growth curve:

The interaction between cattle egret and the buffalo is ______.

Describe the term Niche.

Identify ‘A’ in the given graph of population growth:

Complete the following chart regarding population interaction and re-write:

Describe mutualism. 

Identify the appropriate term for the number of births under ideal conditions:

Explain the term Emigration.

Explain ‘Carbon cycle’.

Mention any 'two' ecological services forthe benefit of mankind

Give diagrammatic representation of pyramid of numbers.

Guano deposits are rich in ______.

Explain the concept of primary productivity.

In a food chain, the herbivores are represented by

(A) producers

(B) primary consumers

(C) secondary consumers

(D) decomposers

Explain energy pyramid

The abundance of phosphate, causing algal overgrowth resulting in depletion of oxygen and killing other aquatic life is known as --------------------------. 

Name any ‘two’ edible varieties of mushrooms. Give nutritional values of these. 

Distinguish between the following:

Hibernation and Aestivation