AP Inter Model Papers

Intermediate Public Examinations – March 2013
Chemistry – Paper II Model Paper (English Version)
Time: 3 Hours : Maximum Marks: 60
Section – A
Very Short Answer Type Questions

Note: Answer ALL questions. 10 x 2 = 20
1. What are octahedral holes and tetrahedral holes?
2. To which type semi conductors do the following belong?
(a) Germanium doped with Indium,
(b) Silicon doped with Arsenic.
3. Give the sources and deficiency diseases of the vitamins A
and D.
4. Mention the monomers present in (a) Bakelite and (b) Nylon
6, 6.
5. What is Cholesterol?
6. Write one method of preparation of Aspirin.
7. Define Antibiotics? Give 2 examples.
8. What is the EAN of the Central metal in
(a) [Co(NH3)4 Cl2]+
(b) [Ti(H2O)6]+3
9. What is Reimer – Tiemann reaction?
10. What is Chloropicrin? How is it formed from Chloroform?

SECTION – B
SHORT ANSWER TYPE QUESTIONS

Note: Answer any SIX questions. 6 $ 4 = 24
11. What are isotonic solutions? 4.6 g of C2H5OH, 16.2 g of H2O
were present in a solution. What is the mole fraction of
C2H5OH?
12. State Faraday’s First Law of electrolysis. Calculate the current
in amperes required to deposit 10.8 g of Ag in 2 hours
from aqueous AgNO3 solution (At. wt. of Ag = 108)
13. Define ‘order’ and ‘molecularity’? Give 2 differences between
them.
14. Give four differences between physical adsorption and
chemical adsorption.
15. Define (a) Enthalpy, (b) Extensive property, (c) Intensive
property, (d) Entropy.
16. Describe the method of extraction of Magnesium metal from
Carnallite.
17. Describe an industrial method for the preparation of super
phosphate of lime. Why is it converted to ‘triple phosphate of
lime’?
18. Draw the structures of the following in terms of Werner’s theory
(a) CoCl3. 6 NH3, (b) CoCl3.5 NH3, (c) CoCl3.4 NH3 and
(d) CoCl3.3 NH3.

SECTION – C
LONG ANSWER TYPE QUESTIONS

Note: Answer any TWO questions. 2 $ 8 = 16
19. How Ozone is prepared in the laboratory by Brodie’s
Ozonizer? Give the reactions of Bleaching powder with the
following
(a) Cold Water, (b) Insufficient amount of dilute acid, (c)
Excess of dilute acid, (d) Ethyl alcohol.
20. State and explain Le – Chatlier’s principle. Apply the same to
the equilibrium.
N2(g) + 3 H2(g) 2 NH3(g) Δ H = -92 KJ
21. Write one method of preparation of Nitro Benzene. What are
the products formed when Nitro Benzene undergoes reduction
in
(a) Acid medium, (b) Alkaline medium, (c) Neutral medium.

Following is the question paper for Intermediate Public Examinations of Andhra Pradesh Board. Here is the Zoology Question Paper (English Version) for Senior Intermediate students. Maximum marks are 60 and duration is 3 hours.

Intermediate Public Examinations – Model Papers
Zoology – Paper II (English Version)
Time: 3 Hours – Maximum Marks: 60

Section – A
Very Short Answer Questions
Answer all the questions. 10 x 2 = 20
1. What is catadromous migration? Give an example you have studied
2. Distinguish between synapsid skull and parapsid skull
3. Which vitamin is called sunshine vitamin? What is the disease
caused by the deficiency of it among children?
4. Name the bones associated with the occipital region of cranium
in the skull of rabbit.
5. What do you call the opening present between II & III ventricles
and the duct present between III & IV ventricles?
6. How sickle cell hemoglobin does differ from normal hemoglobin?
7. Distinguish between in- vivo and ex-vivo gene therapies
8. Distinguish between anagenesis and cladogenesis
9. Distinguish between auto graft and allograft
10. Name any two Indian organizations that are concerned with
fishery development in India. Where they are located?

SECTION – B (Short Answer Type Questions)

Answer any six of the following questions. 6 x 4 = 24
11. Give important characters of Apoda
12. What are similarities between Reptilia and Prototheria
13. Describe the placenta of rabbit
14. Write a short notes on counter current hypothesis
15. Explain the mechanism of cell mediated immunity
16. Draw a labeled diagram of T.S. of spinal cord
17. Discuss the role of different patterns of selections in evolution
18. Explain simulation experiments conducted to explain the origin
of complex organic molecules from simple molecules.

SECTION – C (Long Answer Questions)

Answer any two questions. 2 x 8 = 16
19. Write notes on working of the heart of rabbit
20. What is criss -cross inheritance? explain the inheritance of
sex linked recessive character in human being
21. Explain bacterial, viral and fungal diseases in poultry.