S.NO: 15N1-UM
Subject Code: 1SMA1
A.D.M.COLLEGE FOR WOMEN, NAGAPATTINAM
(AUTONOMOUS)
B. Sc. (Chemistry/Physics) Degree Examination
I Semester – November 2015
I AC I – MATHEMATICS I - CALCULUS AND VECTOR CALCULUS
Time: 3 hours
Maximum Marks: 75
Section –A
10X2=20
Answer ALL the Questions:
1. State Leibnitz’s theorem.
2. If , find .
3. What is the radius of curvature of a circle?
4. Find , when .
5. Prove that .
6. Evaluate .
7. Find if .
8. Prove that the vector is solenoidal.
9. If , find the line integral , from (0,0) to (1,1) along the straight line .
10. Show that where S is any closed surface.
Section –B
5X5=25
Answer ALL the Questions:
11. a) If , Show that (or)
b) If , show that .
12. a) Find the radius of curvature of the curve at the point
(1, 1).
(or)
b) If , find
13. a) Evaluate .
(or)
b) Find the reduction formula for
14. a) If is the position vector of the point , Show that
.
(or)
b) Find the value of the constants a, b, c so that the vector
is irrotational.
15. a) Evaluate
and is the straight
line joining (1,1) and (4, 2).
(or)
b) Apply Gauss divergence theorem to evaluate
where +2 & S is the surface of the region
bounded by the planes , and
Section –C
3X10=30
Answer any THREE Questions:
16. If
prove that
and
17. Find the radius of curvature at on the curve
18. Evaluate:
19. If . Find and
20. Verify Stoke’s theorem for in the square region in the
XOY plane bounded by the lines .
__________
S.NO: 15N2-UZO
Subject Code: 1SZA1
A.D.M.COLLEGE FOR WOMEN, NAGAPATTINAM
(AUTONOMOUS)
B.Sc (Chemistry) Degree Examination
I Semester – November 2015
I AC I – ZOOLOGY I
Time: 3 hours
Maximum Marks: 75
Section –A
10X2=20
Answer ALL the Questions:
1. Mention the role of cilia in Paramecium.
2. What is a slipper animalcule?
3. Bring out the significance of proglottids.
4. What is meant by castings?
5. Present the role of hinge ligaments in freshwater mussel.
6. What are the sense organs of Asterias?
7. Bring out the significance of fins in Shark.
8. What is nictitating membrane?
9. Define preen gland.
10. List the types of salivary glands in Rabbit.
Section –B
Answer ALL the Questions:
11. a) Describe the structure of Paramecium.
(or)
b) Write an account on the organization in Obelia.
12. a) Analyse nutrition in Obelia.
(or)
b) Enlist the external apertures of earthworm.
13. a) Describe the external features of Unio.
(or)
b) Illustrate the digestive system of Starfih.
14. a) Comment on “Placoid scales”.
(or)
b) Describe the structure of Calotes’ brain.
15. a) Write notes on quill feather.
(or)
b) Give the dental formula of Rabbit.
5X5=25
Section –C
3 X 10 = 30
Answer any THREE Questions:
16. Illustrate the life history of Paramecium.
17. Discuss in detail the food and feeding mechanism of Earthworm.
18. Elaborate on the digestive system of Unio.
19. Give an account of the respiratory system of Shark.
20. Illustrate the flight adaptations of birds.
___________
S.NO: 15N1-UCH
Subject Code: 2SCA
A.D.M.COLLEGE FOR WOMEN, NAGAPATTINAM
(AUTONOMOUS)
B. Sc. (Chemistry) Degree Examination
I Semester – November 2015
CC I – INORGANIC, ORGANIC AND PHYSICAL CHEMISTRY - I
Time: 3 hours
Maximum Marks: 75
Section –A
Answer ALL the Questions:
1. Complete the following equation.
?
2. How is hydrocyanic acid prepared?
3. Define Fujan’s rule.
4. Using VSEPR theory, Predict the geometrics of and .
5. What is hybridization?
6. State Inductometric effect.
7. Complete the following reactions:
a.
?
b.
?
8. What is an electrophile?
9. Define critical temperature.
10X2=20
10. What is average velocity?
Section –B
5X5=25
Answer ALL the Questions:
11. a) Explain the preparation of Borozole.
(or)
b) Discuss the structure of diamond.
12. a) Explain the Mulliken’s scale of electronegativity.
(or)
b) What are the hard and soft acids and bases? Explain with example.
13. a) Explain the Inductive effect.
(or)
b) Write notes on steric effect.
14. a) Explain the electrophilic addition reaction of alkenes.
(or)
b) Discuss the peroxide effect.
15. a) Explain the collision number and collision diameter.
(or)
b) Describe the determination of critical volume.
Section –C
3X10=30
Answer any THREE Questions:
16. Explain the preparation, properties and structure of diborane.
17. Define lattice energy. What are the applications of lattice energy? How is
lattice energy determined by Born – Haber cycle?
18. Explain the homolytic and heterolytic fission of carbon.
19. a) Discuss the free radical addition ractions of alkenes.
b) Explain the hydroxylation with KMn
20. Derive the vander Waal’s equation.
__________