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

Name the tissue that transports hormones within the plant body?

Match the column A with B

A gardener wants to give bushy appearance to plants in our college campus.

1. What should he do to achieve the same? 
2. Which property of phytohormones he must be aware of?

Write the name of______

1. First hormone discovered in plants.
2. Biological name of fungus from which Gibberellins were first isolated. 
3. The name given to the first cytokinin by Skoog and Miller.

Write the name of Hormone that can overcome the requirement of vernalization.

Name the phytohormone related with the given phenomenon.

1. Apical dominance
2. Bolting of Cabbage 
3. Artificial ripening of fruit
4. Acts as Anti-transpirant by closing stomata

Write full form of  2,4-D

Define cross-breeding.

Complete the following flow diagram of double circulation:

Write the mode of transmission of typhoid.

Give the symptoms of typhoid.

Describe the process of transcription.

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 ?

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

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.