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

In an octamer of the nucleosome, core DNA consists of ______ base pairs.

Attempt any TWO of the following: 

With the help of a suitable example illustrate ‘Palindrome’. 

Name the type of animal breeding carried out to produce amule.

Give the economic importance of fisheries. 

Distinguish between Natality and Mortality.

Answer in ‘one’ sentence : 

What is bioaccumulation? 

Select and write the most appropriate answer from the given.
Identify the following diagram from the alternatives given below : 

In the 1950s minamata disease was caused by ____________ poisoning.  

Give any 'two' modes of transmission of amoebiasis.

Write the principles of farm management.

Very Short Answer Question:

Which are the nucleosomal 'core' histones?

Short Answer Question:

Write a short note on DNA packaging in the eukaryotic cell.

Define and explain the term

Biopiracy

Define and explain the term

Biopatent

Define the term:

Bioethics

Select the odd one out on the basis of Ex-situ conservation.

Very short answer type question

Name any 2 modern techniques of protection of endangered species.

Long answer type question

How Indian culture and traditions helped in bio-diversity conservation?

Long answer type question

Give the importance of conservation in terms of utilitarian reasons.