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

Give the symptoms of typhoid.

Describe the process of transcription.

Identify the INCORRECT statement.

Give scientific reason.

Closed circulation is more efficient than open circulation.

Draw flow chart of Central Dogma.

What is meant by the polarity of genetic code ?

Water always flows from______.

Name the first hormone that was discovered in plant and its precursor.

Cell A has water potential - 10 bars and cell B has - 5 bars, the movement of water will occur from______.

If the base sequence in DNA is 5' AAAA 3', then the base sequence in nillNA is______.

What is the role of ribosomes in protein synthesis?

DNA is not involved directly in the synthesis of______.

Name the anticodon of the tRNA that carries the above amino acid.

Give the precursor, chemical composition and any two applications of Gibberelins.

Write a note on closed circulation.

Differentiate between m-RNA, t-RNA and r-RNA.

Give the different steps involved in formation of m-RNA from hn-RNA.

Explain factors affecting water absorption.

What is ecological succession?

Describe T.S. of the spinal cord.