HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Biology

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.

Short answer question.

Write the objections to Mutation theory of Hugo de Vries.

Give the term used to express a community in its final stage of succession?

Very short answer question.

What is the symplast pathway?

Explain the movement of water in the root.

Explain the term:

Root pressure

Long answer question.

Write on journey of water from soil to xylem in roots.

Multiple choice question.

Abscisic acid controls ______.

Multiple choice question.

Which is employed for the artificial ripening of banana fruits?

Conversion of nitrates to nitrogen is called ______.

Multiple choice question.

How many molecules of ATP are required to fix one molecule of nitrogen?

Very Short Answer Question:

Which is the plant stress hormone?

Very Short Answer Question:

What is role of gibberellin in rosette plants?

Long answer question:

Shreyas went to a garden on a wintry morning. When he came back, he found it difficult to breathe and started wheezing. What could be the possible condition and how can he be treated?

Lichens taking roots on bare rocks are an example of ______.

Growth of new grasses and shrubs on a patch of forest burnt down by forest fire, is a an example of ______.

All types of ecological succession whether on land or in water always reaches ______.