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

Long Answer Question:

Explain the process of DNA replication.

Multiple choice question.

Gene frequency in a population remain constant due to –

Define the Gene pool.

Define the Gene frequency.

Define Organic evolution.

Short answer question.

Write a note on Genetic drift.

Short answer question.

Draw a graph to show that natural selection leads to disruptive change.

Short answer question.

Give an example of disrruptive selection

Secondary consumers are __________.

Give an example of an ecosystem that shows an inverted pyramid of numbers.

Give an example of an ecosystem that shows an inverted pyramid of biomass.

Distinguish between the upright and inverted pyramid of biomass.

Explain the term:

Imbibition

Very short answer type question

What do you understand by the EW category of a living being?

What is a grand period of growth?

Long Answer Question:

Explain sigmoid growth curve with the help of diagram.

Short answer question.

What is disruptive selection?

Define ecological pyramids.

Give function of astrocytes in nervous system.

Define Saltatory conduction.