B.A. I-Semester Examination
CBS-Is/10(WR/P)
228191
GENERAL ENGLISH
Course No.: UENTC-101

Time Allowed: 3 Hours                                              Maximum Marks: 80

SECTION-A

Write in about 250-300 words: (3×10=30)

1. Analyse the following lines:
"Crafty men condemn studies, simple men admire them; for they teach not their own use; but that is wisdom without them and above them, won by observation".

(OR)

Write a note on the mingling of the elements of humour, pathos and humanity in Charles Lamb's essay 'Poor Relations'?

2. Write the detailed summary of the poem 'Leave this Chanting'.

(OR)

Evaluate the Central idea of the poem 'If'.

3. Who is the main character in the story 'The Child'? Analyse his/her role in the plot.

(OR)

Comment on the relationship shared by the old teacher and his granddaughter Anshu.

SECTION-B

Attempt any three in about 60-80 words: (3×6=18)

1.      Comment on the title of the essay 'Freedom of the Press'.

2.      Write in brief the message of the essay 'Wings on Fire'.

3.      Analyse the theme of the sonnet 'The World is Too Much with Us'.

4.      Evaluate the gist of the poem 'The Adventurer'.

5.      Comment on the title of the story 'The Last Leaf'.

SECTION-C

1. A. Read the following passage to answer the given questions based on it: (5×2=10)

There was a rich couple who was throwing a big New Year party at their house. So they went shopping at the market where everything was of high cost and fixed price. They wanted to maintain their level of standard so didn't mind paying for it. After purchasing all they needed, they called a porter to carry everything and drop it at their home. The porter who came was old aged, not very healthy looking, his clothes were torn, looked as if he wasn't even able to meet his daily needs.

They asked the porter about the charges for delivering their goods at their address. The old porter quoted just Rs. 200, well below the market rate for delivering goods at the couple's home in his cart. Yet, the couple argued and bargained with the porter and finally settled for Rs. 150. The porter was struggling to make even one meal, so he needed anything he could earn.

The couple was very happy thinking how well they bargained with the poor porter and paid him Rs. 150 in advance and left after giving the porter their address for delivery. They reached their home, and one hour passed, two hours passed, but the porter still hadn't delivered their stuff.

The wife started to get angry at her husband, "I always tell you not to trust such a person, but still you never listen to me. Such a person who is not even able to earn to feed himself for one time in a day, you handed him everything we purchased for our big party. I am sure instead of delivering it to our home; he must have disappeared with everything. We must immediately go back to the market to inquire and then to the police station to file a complaint against him".

They both left towards the market. On their way near the market, they saw another porter. They stopped him to inquire about the old porter and noticed that he was carrying their stuff in his cart! The angry wife asked him, "Where is that old thief? It seems you poor thieves are stealing our stuff and going to sell it".

The porter replied. "Madam, please calm down. That poor old man was sick since last month. He wasn't able to earn enough to even have a single meal in a day. He was on the way to deliver your stuff, but being hungry and sick, he couldn't gather the strength to go any further in this heat of the summer. He fell down and while handing me Rs. 150, his last words were 'I had taken an advance for this delivery, you take this and please deliver to this address'."

"Madam, he was hungry, he was poor, but he was an honest man. I was just on the way to complete the old man's last delivery at your home", the porter said. Upon hearing this, the husband had tears in his eyes, but the wife felt so ashamed, she had no courage to look up in her husband's eyes.

1.      Why did the old porter settle for Rs. 150 only as the delivery charges when he had already asked for Rs. 200, a price well below the market rate?

2.      What is the moral of the story narrated in the above passage?

3.      Why did the old porter not deliver the couple's stuff to their address?

4.      Why did the couple buy all the stuff despite the fact that it was of high cost and fixed price?

5.      What could be an appropriate title for the story?

B. i) Identify the consonant sound of the underlined letters: (any three) (3×1=3)

Porter, carry, his, charges, wife

ii) Identify the vowel sound of the underlined letters: (any three) (3×1=3)

poor, old, man, was, sick

2. a) Subject and Verb Agreement. (10×1=10)

Fill in the blanks choosing the correct word: (any ten)

1.      He_______ (do/does) answer.

2.      He ________ (is/are) eating the apple.

3.      John_______ (has played/have played) the football.

4.      Seema_______ (was suppose/is supposed) to marry Ram.

5.      She________ (has finished/is finish) her homework.

6.      She________ (are doing/is pursuing) B.Sc.

7.      They________ (are/is) playing the football.

8.      Each_________ (does/do) a good deal of work around the office.

9.      Both________ (do/does) a good deal of work around the office.

10.  A pencil and an eraser_______ (make/makes) writing easier.

11.  Neither the director nor the actors _______ (are/is) following the lines closely.

12.  Neither the actors nor the director _______ (are/is) following the lines closely.

13.  The Grapes of Wrath _______ (take/takes) a long time to read.

14.  Your pants _______ (is/are) dirty.

15.  The study _______ (show/shows) that 80% of the people of this continent live above the poverty line.

b) Antonyms/Synonyms.

i) Write the antonyms of the following words: (any three) (3×1=3)

lazy, strong, brave, girl, faith.

ii) Write the synonyms of the following words: (any three) (3×1=3)

merry, beautiful, huge, urgent, fake

B.A. I-Semester Examination

CBS-IS/10(WR/P)

228561

COMMUNICATION SKILLS

Comm. English

Course No.: UCETS-101

Time Allowed: 2 Hours                                              Maximum Marks: 40

SECTION-A

1. Do as directed. Attempt all questions. (5×1=5)

a)      The (brake/break) of his car failed on a steep hill. (Choose the correct option).

b)      Babar ______ brave, defeated Ranasanga. (Use a Suitable article).

c)      Altar, Alter (use the pair of words in your sentences - so as to illustrate the difference in their meaning).

d)     Use 'Water' as a noun and verb.

e)      Five rupees _______ (be) no price for it. (Use Correct form of verb).

SECTION-B

2. Medium Answer Type Questions. Attempt any three. (3×5=15)

a)      Define Active listening and list all the five stages of active listening.

b)      Mention some ways of developing assertive speaking skills.

c)      Speaking is a communication skill that enables a person to verbalize thoughts and ideas. Comment.

d)     What are the benefits of effective listening?

SECTION-C

3. Long answer Type questions. Attempt any two. (2×10=20)

a)      Paraphrase the following paragraph in your own words;
Most medical people despised the press holding attitudes not-totally unfamiliar today. Reporters tended to be suckers for every quack, half-quack, or naive country doctor who thought he had a serum to cure tuberculosis, a herbal remedy for cancer, or a new surgical procedure to rejuvenate the aged or a Most medical people despised the press holding attitudes not-totally unfamiliar today. Reporters tended to be suckers for every quack, half-quack, over-eager scientist, or naive country doctor who thought he had a serum to cure tuberculosis, a herbal remedy for cancer, or a new surgical procedure to rejuvenate the aged. When the newspapers were not wasting space on: undeserving medical stories, they were overplaying legitimate news, getting their facts wrong, and generally making a nuisance of them interfering in the lives and practices of busy professionals. Doctor's deep suspicion of what they read in the newspapers and even in the less-carefully edited medical journals help to explain some of the early skepticism about insulin in countries like Britain: “Oh, the Americans are always curing everything, this week its diabetes." Even in Canada and the United States, it was some months before there was enough confirmation of the unlikely news from Toronto to convince wire services and the more skeptical doctors and editors that insulin was, indeed, the real thing.

b)      Write a letter to your friend on his Birthday expressing good wishes.

c)      You are the Sports Secretary of your College. Draft a notice in not more than 50 words for your college notice board asking the students to give their names for participation in various events to be held on the Annual Sports Day of your college.

 

BS-IS/11
219705
ZOOLOGY – COURSE NO. Zoo-101

Time Allowed – 3 Hours                                                 Maximum Marks – 80

Section-1

Note: – Attempt all ten questions. Each question carries 2 marks and the answer should be in 20 words.

Section-2

Note: – Attempt one question from each unit. Each question carries 12 marks. Draw labelled diagram wherever necessary.

SECTION-1

1. Define Protozoa.

2. What are Spicules?

3. Explain Nephridium.

4. Define metagenesis.

5. Explain cercariae larvae.

6. What is clitellum?

7. Describe an osculum.

8. What are tube feet?

9. Explain pinocytosis.

10. What is polymorphism?

SECTION-2

Unit I

1. Describe the process of conjugation and its significance in Paramecium.

2. Give the distinctive characters of phylum Porifera. Classify it up to classes giving characters and examples of each class.

Unit II

3. Write notes on:

   (a) Histology of Metridium

   (b) Medusa of Obelia.

4. What is digenetic life cycle? Explain it with reference to life history of Fasciola hepatica.

Unit III

5. What is a nephridium? Name and describe the various types of nephridia found in earthworm.

6. Give an account of digestive system of Prawn.

Unit IV

7. Describe the respiratory organs of Pila and explain how they are adopted for its mode of life.

8. Explain in detail the water vascular system of star fish.

Unit V

9. Write notes on:

   (a) Concept of coelom

   (b) Pluteus larva.

10. Write an account of nutrition in Protozoa.

B.C.A. 1st Semester Examination

BS-IS/12

230294

PROBLEM SOLVING USING C-LANGUAGE

Course No.: BCA - 102

Time Allowed: 3 hours                                                                        Maximum Marks: 80

Note: Attempt total five questions in all, selecting one question from each unit. Q1 is compulsory. Each question carries 16 marks.

1.     a) Explain what is meant by precedence and associativity.

b) Explain with the help of an example what in nesting of loops.

c) Explain four standard library functions used for string manipulation.

d) Discuss how unions are declared and accessed.

UNIT - I

2. Write an algorithm to find the largest element in a list of elements. Also, draw its flowchart.
3. What is an error? Explain the different types of errors? Give example for each one of them.

UNIT - II

4. Discuss the various decision control statements.
5. Differentiate between while loop, Do while loop and for loop.

UNIT - III

6. Write a program in C to sort an array of integers in descending order.
7. Discuss the features of various storage classes in C language.

UNIT - IV

8. Write a program in C to illustrate how two dimensional arrays are accessed using pointers.
9. Write a program in C to read and display an array of structures.

 

B.Sc. 1st Semester Examination

BS-IS/9

224477

PHYSICS

Course No. : 101

Time Allowed: 3 hours                                                                        Maximum Marks: 80

Note – There shall be 10 questions with 2 questions from each Unit. Students have to select one question from each Unit. Total no. of questions candidates have to attempt is 5.

Unit I

1. (a) Find velocity and acceleration of a particle in case of spherical polar coordinates. (12)

(b) The motion of a particle is given by x = 5t - 9, y = 2 cos 3t, z = 2 sin 3t. Find the magnitude of velocity and acceleration of the particle. (4)

2. (a) Derive expressions for unit vectors in cylindrical coordinate and prove that they are mutually perpendicular to each other. (10)

(b) Discuss Geographical effects of Coriolis force. (6)

Unit II

3. (a) Prove that in COM system, the magnitude of the velocities of the particles do not change in elastic collisions. (10)

(b) Prove that angular momentum of reduced mass under the effect of the central force is conserved. (6)

4. (a) Define central and non-central forces. Derive the differential equation of the orbit. (10)

(b) State Kepler’s laws of planetary motion and derive Kepler’s third law. (6)

Unit III

5. (a) Derive expressions for differential equation and time period in case of Bifilar pendulum. (10)

(b) Calculate the energy possessed by a stone of mass 20 gm executing S.H.M of amplitude 1 cm and time period 4 seconds. (6)

6. Define the following terms in case of damped harmonic oscillator: (10)

   (i) Relaxation time

   (ii) Logarithmic decrement

   and derive expressions for them.

Unit IV

7. What is a driven oscillator? Discuss transient and steady-state behaviour of forced oscillator. (16)

8. (a) Show that average power supplied by the driving force to the oscillator is equal to the average power dissipated against frictional force. (10)

(b) Find the resonant frequency of a ckt. having L = 1 mH, C = 0.1 μF and R = 10 Ω. Also, calculate bandwidth and quality factor of the ckt. (6)

Unit V

9. Derive Lorentz transformation equations for two inertial frames and apply these to explain length contraction. (16)

10. (a) Deduce the mass-energy relation E = mc². Give significance of this relation. (10)

(b) An electron is accelerated through a potential difference of 1.8 × 10⁶ V. Find the relativistic mass of the electron. Given m₀ = 9 × 10⁻³¹ kg. (6)

B.Sc. 1st Semester Examination

BS-IS/11

227776

PHYSICS

Course No. : 101

Time Allowed: 3 hours                                                                        Maximum Marks: 80

Note: There are 10 questions with 2 questions from each unit. Students have to attempt 5 questions in all, selecting one question from each unit. Each question is of 16 marks.

Unit - I

1. (a) What are Cartesian and spherical polar coordinate systems? Find the relation between the two. (10)

    (b) Derive expressions for area and volume element in cylindrical coordinates. (6)

2. (a) What is Coriolis force? Derive an expression for Coriolis force acting on a freely falling body. (10)

    (b) Explain inertial and non-inertial frames of references? (6)

Unit - II

3. (a) Explain the laboratory and center of mass coordinate systems. Prove that kinetic energies of two colliding particles in the centre of mass system are inversely proportional to their masses. (12)

    (b) In laboratory system, two particles each of mass 2kg are moving with velocities 3i + 4j ms⁻¹ and 5i + 6j ms⁻¹ respectively. Find the K.E. of the system of two particles in COM system. (4)

4. (a) Show that for a system of two particles moving under the action of central force, the total energy of the system remains conserved. (10)

    (b) Establish relation between eccentricity and energy. (6)

Unit - III

5. (a) What is Helmholtz resonator? Derive an expression for its frequency. (10)

    (b) Calculate the frequency of an L-C circuit in which the inductance and capacitance are respectively 5 mH and 2 μF. If the maximum potential difference across the capacitor be 10 volts. What is the energy of the system? (6)

6. (a) What is a quality factor? Discuss quality factor in a damped harmonic oscillator. (6)

    (b) Derive an expression for energy of a damped oscillator. (10)

Unit - IV

7. (a) Define a forced oscillator: Write down the equation of a driven harmonic oscillator and solve the equation which gives the steady state behaviour of the forced oscillator. (10)

    (b) Derive an expression for the velocity of the forced oscillator in steady state. (6)

8. (a) Derive an expression for average power in a forced oscillator and discuss the result. (10)

    (b) Obtain an expression for band - width. (6)

Unit - V

9. State fundamental postulates of special theory of relativity and deduce from them the Lorentz transformation equations. (16)

10. (a) Discuss relativistic variation of mass with velocity. Show that no material body can move with velocity greater than that of light in vacuum. (10)

     (b) In Michelson - Morley experiment, the wavelength of the monochromatic light used is 5000 Å. What will be the expected fringe shift on the basis of stationary ether hypothesis if the effective length of each path be 5 metres? Given velocity of the earth is 3 × 10⁴ m/s. (6)

B.A. / B.Sc. 1st Semester Examination

BS-IS/12

229944 (S)

Mathematics

Course No. : 101

Time Allowed: 3 hours                                                                        Maximum Marks: 80

Note: Attempt five questions in all, selecting one question from each unit. All questions carry equal marks.

Unit - I

1. a) Discuss the continuity of the function f(x, y) defined by:
       f(x, y) = { xy sin(1/x), if x ≠ 0
                        0, if x = 0
       at origin.
   b) Determine a and b so that the curve y = ax³ + 3bx² has a point of inflexion at (-1,2).

2. a) If Z = log(x² + xy + y²), then prove that:
        x(∂Z/∂x) + y(∂Z/∂y) = 2.
   b) Find the position and nature of double point(s) on the curve:
       x³ - y² - 7x² + 4y + 15x - 13 = 0.

Unit - II

3. a) Trace the curve y = x²(x - 3a), a > 0.
   b) Evaluate lim(x→0) (sin x)^(tan/x).

4. a) Find the envelope of the family of lines (x/a) + (y/b) = 1 where a and b are connected by the relation ab = c².
   b) Show that x + y + a = 0 is the only asymptote of the curve:
       x³ + y³ - 3axy = 0.

Unit - III

5. a) Find the value of ȓ satisfying the equation d²ȓ/dt² = ȃ,

       where ȃ is a constant vector. Also, it is given that ȓ = ô and dȓ/dt = ȗ, at t = 0.

   b) Find the directional derivative of the function 2xy + z² at (1, -1, 3) in the direction of the vector î + 2ĵ + 2ќ.

6. a) If F^→ = (2x² + y²) î + (3y - 4x) ĵ, evaluate _Δ∫F^→.dȓ around the triangle ΔABC whose vertices are A(0,0), B(2,0), and C(2,1).

   b) Prove that div ȓ = 2/r.

Unit - IV

7. a) With usual notations, prove that tan φ = (r dθ/dr).
   b) Trace the curve r = a(1 + cos θ).

8. a) Trace the curve r = a sin 2θ.
   b) i) Transform xy³ + x³y = a² to polar form.

       ii) Transform r² = sin 2θ to Cartesian form.

Unit - V

9. a) Find the curved surface of the solid generated by the revolution about the x-axis of the area bounded by the parabola y² = 4ax, the ordinate x = 3a, and the x-axis.
   b) Obtain a reduction formula for ∫ secⁿ x dx, n being a positive integer. Hence evaluate ∫sec⁴ x dx.

10. a) Evaluate ₀∫^a (x⁴/√(a² - x²)) dx.
     b) A segment is cut off from a sphere of radius a by a plane at a distance (1/2)a from the center. Show that the volume of the segment is (5/32) of the volume of the sphere.

B.Sc. I - Semester Examination
BS-I/10
231883
Zoology
Course No. : 101

Time Allowed: 3 hours                                                                        Maximum Marks: 80

Section-A

Note: Attempt all 12 questions. Each question carries ½ mark and the answer should be in 20 words. (½×12=6)

1. Define protozoa.

2. Explain pinnocytosis.

3. What is planula larva?

4. Describe on ootype.

5. What is a protoandrous condition?

6. Where do you find cytogenous glands?

7. Describe a Heteronereis parapodium.

8. Describe a Statocyst.

9. What are gastropod molluscs?

10. What are dermal papillae?

11. Describe an osculum.

12. What are barrier reefs?

Section-B

Note: Attempt one question from each Unit. Each question carries 2 marks and the answer should be in 50 words.

Unit-I

1. Describe locomotion in Euglena.

2. Explain reproduction in Sycon.

Unit-II

3. Describe the medusa of Obelia.

4. Describe larval stages of Taenia.

Unit-III

5. Briefly explain the circulatory system in earthworm.

6. Explain appendages (cephalic) of Prawn.

Unit-IV

7. Explain the structure of Pila globosa.

8. Describe reproductive system of Star fish.

Unit-V

9. What are coral reefs and how are they formed?

10. Describe briefly larval forms of crustacea (any two).

B.Sc. I - Semester Examination
BS-IS/12
229774
BOTANY
Course No.: 101

Time Allowed: 3 hours                                                                           Maximum Marks: 80

Note :
a) Attempt all questions
b) Question no.1 in Section-I is compulsory and carries 20 marks (2 for each part). Answer to each part should not exceed 20 words.
c) All questions in Section-II carry 12 marks each.

Section - I

1. Attempt all parts
a) What is ‘Centromere’. Describe its significance
b) What is the main difference between active and passive transport through plasma membrane
c) What is ‘Satellite DNA’
d) Enlist main functions of smooth endoplasmic reticulum.
e) Describe the main functions of ‘tRNA’
f) Enlist intra- and inter-chromosomal aberrations under separate heads.
g) Differentiate between spontaneous and induced mutations
h) What are ‘IS elements’
i) What are the main components of plasma membrane
j) Differentiate between secondary and tertiary trisomics

Section - II

2. Describe the structural organisation of ribosomes in pro- and eukaryotes. Discuss their role.

OR

Describe in detail the structure and formation of primary cell wall
3. Write short notes on:
a) Telomere
b) Repetitive DNA

OR

What do you understand by ‘reductional division’. Describe its various stages and emphasise on its significance
4. Describe the stepwise synthesis of proteins from mRNA

OR

Describe the organisation of DNA in prokaryotic genomes. Enlist the important differences in this organisation in Eukaryotes
5. Differentiate between an auto- and allo-tetraploid. Describe the role of polyploidy in the evolution of cotton.

OR

What are aneuploids? Enlist their various types. Describe the origin of any one among these
6. What is ‘Linkage’ and ‘Crossing Over’. Describe the role of both in mapping of genes.

OR

What are transposable elements? Describe their salient features taking ‘Tn’ elements as an example.

B.Sc. I - Semester Examination
BS-IS/11
227566
BOTANY
Course No.: 101
Time Allowed: 3 hours                                                                           Maximum Marks: 80

Note: All the parts of Section-I are compulsory.

SECTION - I

(10×2=20)

1. i) Two major differences in the Fluid mosaic model and lamellar model of structure of plasma membrane.

   ii) Mention the major function of Golgi body.
   iii) What is satellite DNA?
   iv) What mainly controls cell division?
   v) Basic difference in secondary and tertiary structure of protein.
   vi) What do you mean by degeneracy of genetic code?
   vii) How auto polyploids are produced artificially?
   viii) How trisomics differ from monosomics?
   ix) Differentiate between transitions and transversions.
   x) Mention DNA repair mechanisms in prokaryotes.

SECTION - II

UNIT - I

Note: Attempt One question from each unit.
2. Discuss the ultra structure of mitochondria. Why is it called a semi-autonomous cell organelle? (12)
3. Write brief notes on the following: (5+7=12)
   a) Structure of primary cell wall of plants.
   b) Structure and functions of endoplasmic reticulum.

UNIT - II

4. With suitable diagrams explain the different stages of mitosis. Also comment upon the significance of mitosis. (12)
5. Write a note on the following: (4×3=12)
   a) Structure and function of centromere.
   b) Mitochondrial DNA.
   c) Different DNA polymerases in bacteria.

UNIT - III

6. Discuss the mechanism of translation in bacteria. (12)
7. Write short notes on the following: (6×2=12)
   a) Structure of Nucleosome.
   b) Structure of t RNA.

UNIT - IV

8. What are reciprocal translocations? Describe the meiotic behavior in an organism heterozygous for these. (12)
9. What are polyploids? Mention its different types. Discuss the role of autopolyploids in plant breeding. (12)

UNIT - V

10. Discuss the mechanisms of origin of spontaneous mutations. (12)
11. Write short notes on the following:
   a) Ac-Ds system in maize. (5)
   b) Mendel’s law of independent assortment. (7)