TS Inter 2nd Year Botany Question Paper March 2023

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TS Inter 2nd Year Botany Question Paper March 2023

Time: 3 Hours
Max. Marks: 60

Section – A
10 x 2 = 20

Note :

  • Answer All questions.
  • Each question carries TWO marks.
  • All are very short answer-type questions.

Question 1.
What are the physical properties of water responsible for the ascent of sap through xylem in plants?

Question 2.
What is a genophore?

Question 3.
What is point mutation? Give an example.

Question 4.
Define hydroponics.

Question 5.
What is meant by capping and tailing?

Question 6.
What is downstream processing?

Question 7.
The proportion of nucleotides in a given nucleic acid are:
Adenine 18%,
Guanine 30%,
Cytosine 42%
and Uracil 10%.
Name the nucleic acid and mention the number of stands init.

Question 8.
What is green revolution? Who is regarded as Father of Green Revolution?

Question 9.
Which two species of sugarcane were crossed for better yield?

Question 10.
Name the scientists who were credited for showing the role of penicillin as an antibiotic.

Section – B
6 x 4 = 24

Note :

  • Answer ANY SIX questions.
  • Each question carries FOUR marks.
  • All are short answer type questions.
  • Draw labelled diagrams wherever necessary

Question 11.
Explain the steps involved in the formation of root nodules.

Question 12.
Draw a neat labelled diagram of chloroplast.

Question 13.
Explain different types of cofactors.

Question 14.
What is ICTV? How are viruses named?

Question 15.
Give a brief account of BT cotton.

Question 16.
Explain the Co-dominance with example.

Question 17.
Write short flotes on seeds dormancy.

Question 18.
How many types of RNA polymerases exist in cells ? Write their names and functions.

Section – C
2 x 8 = 16

Note :

  • Answer ANY TWO questions.
  • Each question carries EIGHT marks.
  • All are long answer type questions.
  • Draw labelled diagrams wherever necessary.

Question 19.
Explain Calvin cycle.

Question 20.
Give a brief account of the tools of recombinant DNA technology.

Question 21.
Write brief essay on microbes in sewage treatments?

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