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

Answer the following question in ‘One’ sentence only:

Enlist the histones which form an octamer of nucleosome.

Attempt any TWO of the following:

Define the terms ‘codon’ and ‘anticodon’. 

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

Sketch and label the ‘clover leaf model’ of t-RNA.

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

Which of the following diseases can be contracted by droplet infection?

Name the causative agent of typhoid fever?

How does the transmission of the following diseases take place?

Pneumonia

Write a short note on typhoid.

Enlist the species of honey bee mentioning their specific uses.

Multiple Choice Question:

Translation occurs in the _______.

The enzyme required for transcription is _______.

Multiple Choice Question:

Transcription is the transfer of genetic information from _______.

Multiple Choice Question:

Which of the following is NOT part of protein synthesis?

Very Short Answer Question:

Why the genetic code is considered as commaless?

Define the term codon.

What is degeneracy of genetic code?

Enlist the characteristics of genetic code.

Short Answer Question:

In the figure below A, B and C are three types of ______.

Short Answer Question:

Identify the labeled structures on the following diagram of translation.

• Part A is the _______
• Part B is the _______
• Part C is the _______