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

Alu-I is obtained from which organism?

What is the role of Taq-polymerase in PCR technology?

Bt-cotton shows adverse effect on the population of which butterfly?

Define vector? write any two examples,

Define biotechnology? Which are the basic principles and process of biotechnology?

What is gene cloning? Explain different tools used for it.

Explain types of enzymes used in biotechnology?

What is Recognition sequence? Explain in brief.

What is PCR? Explain different steps involved in it.

Tropical dense forests are due to _______________.

How ‘Temperature’ as an abiotic factor plays a role in ecology?

Explain the role of any three abiotic factors affecting the environment.

Explain different types of growth models.

Which are different biotic and abiotic factors involved in ecology and how they play their role?

Water present in the form of hydrated oxides of Silicon, Aluminium is called ______.

Fine soil particles imbibe or absorb water and hold it. This is called as _______.

Define the following:

Gravitational water

Define the following:

Hygroscopic water

Define the following:

Combined water

Define the following:

Capillary water