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

A person preparing food in an unhygienic place can be a major source of spread of disease ______.

Find out the double ring compound.

In which of the following synthesis of DNA strand is not involved directly?

Wobble hypothesis is related with

During elongation of polypeptide chain, sigma factor is

Enzyme required for peptide formation is

Exon segments are reunited after splicing by

What is meant by the activation of amino acids?

What is the role of Mg⁺⁺ in Translation?

What is central dogma of molecular biology?

What is the function of RNA primer?

How t-RNA act as an adapter molecule?
Explain in detail with the help of a diagram.

Define mutation. State its two types.

Draw a neat and labelled diagram of transcription and processing of hn-RNA

Describe the mechanism of translation with the help of neat and labelled diagram.

A farmer is fed up of weeds in his Wheat farm. Which of the following chemicals he can use to overcome the problem?

Gibberellins are synthesised from ______.

First natural cytokinin was obtained from ______.

Buyers often complain that a particular fruit merchant uses some chemical to ripen fruits in his shop.

Name the chemical he must be using to do so.

Why is ABA known as antitranspirant?