Senior Inter Botany Paper 2 – Page 2

Following is the Botany Model Paper (Paper 2) for Senior Intermediate students of Andhra Pradesh. Maximum marks for the exam is 60 and duration is 3 hours.

Section – A
I. Answer ALL the questions in sequence. (10 × 2 = 20)
1. Which type of conjugation in Spirogyra is considered dioecious
and which type monoecious?
2. Name the nitrogen fixing organisms seen in coralloid roots of Cycas.
3. In which food do you find lactic acid bacteria? Mention their
useful applications.
4. What is imbibition? Why do pea seeds show more imbibition than wheat grains?
5. Define trace elements. Give two examples.
6. Which substance is termed as ‘energy currency of a cell’. How
many kilocalories are produced on its hydrolysis?
7. Name the pigment present in root nodules of legumes and montion its function.
8. What is emasculation? Mention its importance.
9. What are molecular scissors? Where are they obtained from?
10. Name the spore bearing structures of basidiomycotina fungi.
What type of spores they produce?

SECTION – B
II. Answer any SIX questions. 6 × 4 = 24

11. Distinguish between homothallism and heterothallism in Rhizopus.
12. Describe the structure of Pteris prothallus.
13. Write short notes on the most common method of reproduction
in bacteria.
14. Mention the differences between lytic and lysogenic cycles.
15. Describe briefly the mechanism of stomatal opening and closing.
16. Explain the role of auxins and gibberellins in agriculture and
horticulture.
17. Write a short note on nitrogen fixation.
18. Enumerate the applications of plant tissue culture technique.

SECTION – C
III. Answer any TWO questions. 2 × 8 = 16

19. Describe the internal structure of Funaria capsule.
20. With the help of biochemical reactions explain the various
phases of photosynthetic carbon reduction occurring in the C3 plants.
21. What is hybridization and describe the procedure of hybridization.

Intermediate students require good practice of model papers before they get ready for IPE 2013. Here is Botany Model Question Paper 2 for Senior Intermediate students. Students can practice these papers for the practice and assess themselves. Maximum marks for the paper 2 is 60 and duration of the exam is 3 hours.

Sr. Intermediate Botany Model Paper – Botany Paper − II (English Version)
TIME: 3 HOURS Max. MARKS: 60

SECTION − A

I. Answer all the questions in sequence 10 × 2 = 20
1. Define homothallism. In which species of Rhizopus it is seen?
2. Name the organism from which streptomycin is obtained. Who first time isolated it?
3. Define botulism. Name the bacterium responsible for botulism.
4. Define virulent phage. Give an example.
5. Cell A and B are in direct contact. Cell Ahas osmotic potential of − 0.6 Mpa and pressure potential of 0.4 Mpa. Cell B has osmotic potential of − 0.9 Mpa and pressure potential of 0.6 Mpa. Which way water moves?
6. What are non-competitive enzyme inhibitors? Give one example.
7. Which substance is termed as “energy currency of a cell”? How many kilo calories are produced on its hydrolysis?
8. Name any two artificially restructured/ modified plasmids.
9. What is bagging? Mention the role of bagging in hybridization.
10. Give the scientific names of Torula yeast and Baker’s yeast.

SECTION − B
II. Answer any six of the following questions. 6 × 4 = 24

11. Describe the cell structure of Spirogyra.
12. Differentiate between protonema and gametophore of Funaria.
13. How are bacteria classified on the basis of number and distribution of flagella?
14. Write about the importance of eco-friendly type of fertilizers.
15. Describe briefly the mechanism of stomatal opening and closing.
16. Write the physiological effects of cytokinins.
17. Tabulate any eight differences between C3 and C4 pathways/ plants.
18. Draw a well labelled diagram of L.S. of gill of Agaricus.

SECTION − C
III. Answer any two questions. 2 × 8 = 16

19. Describe the internal structure of rhizome of Pteris.
20. Describe the nitrogen cycle in detail giving examples.
21. Explain briefly the steps involved in tissue culture.

Senior Inter Botany Question Paper 2 – Model Paper

AP Senior Inter Botany Model Question Paper 2