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

Describe the process of transcription in protein synthesis.

Long Answer Question:

Describe the process of translation in protein synthesis.

Long Answer Question:

Justify the statement. If the answer is false, change the underlined word(s) to make the statement true

The DNA molecule is double-stranded and the RNA molecule is single-stranded.

Long Answer Question:

Justify the statement. If the answer is false, change the underlined word(s) to make the statement true

The process of translation occurs at the ribosome.

Long Answer Question:

Justify the statement. If the answer is false, change the underlined word(s) to make the statement true

The job of mRNA is to pick up amino acids and transport them to the ribosomes.

Long Answer Question:

Justify the statement. If the answer is false, change the underlined word(s) to make the statement true

Transcription must occur before translation may occur.

Which mineral acts as a limiting factor for productivity in an aquatic ecosystem.

Name the reservoir and sink of carbon in the carbon cycle.

Describe the carbon cycle and add a note on the impact of human activities on the carbon cycle.

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?