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

What is a grand period of growth?

Long Answer Question:

Explain sigmoid growth curve with the help of diagram.

Given below is the characteristic of some modified respiratory movements. Identify them.

Spasmodic contraction of muscles of expiration and forceful expulsion of air through nose and mouth.

Given below is the characteristic of the modified respiratory movement. Identify it.

An inspiration followed by many short convulsive expirations accompanied by facial expression.

First biopatent to genetically engineered bacterium ______.

What is Biopiracy? 

Which are different adverse effect of biotechnology on human health and environment?

Explain biopatent and Biopiracy with different examples?

Find the odd one out:

AUG codon gives ________ & ________ amino acids in prokaryotes & Eukaryotes respectively.

Select the odd example with respect to types of conservation strategies. 

Differentiate between Heterochromatin & Euchromatin.

The reasons for conservation of biodiversity can be classified into three categories. Name them and describe each in brief.

Draw a neat and labelled diagram of the Nucleosome.

Write a note on the packaging of DNA in prokaryotes.

Write a note on the packaging of DNA in Eukaryotes.

Sachin shows symptoms of inflammation of the sinuses and mucous discharge due to viral and bacterial infection. Identify the disorder.

Histones are rich in ______.

______ Biosphere reserve is located in Tamil Nadu.

A National park is an example of ______ conservation.