jaipur national university, jaipursodel.jnujaipur.ac.in/assignment/b.sc. 2nd year.doc · web viewq....

JAIPUR NATIONAL UNIVERSITY, JAIPURSchool of Distance Education & Learning

Internal Assignment No. 1

Bachelor of Science (B. Sc)

Paper Code: BO-201

Paper Title: Plant Morphology & Anatomy

Last date of submission: Max. Marks: 15

Note : Question No. 1 is of short answer type and is compulsory for all the students. It carries 5 Marks. (Word limits 50-100)

Q. 1. Answer all the questions:

i. What is wood? Is coconut shell a wood, comment.

ii. Define root stock and its importance.

iii. How would you distinguish between a marmot N a dicot stem section under the

microscope.

iv. What is meant by lylosis? How is occurs.

v. What is a quiescent centre and its significance?

Note: Answer any two questions. Each question carries 5 marks (Word limits 500)

Q.2 What are secondary tissues? Give a brief account of various types of secondary

tissues found in plants.

Q.3 Discuss 1riefly1s secondary growth in monoest stems.

Q.4 Explain 1riefly the process of abscission in plants.




Paper Code: BO-201

Paper Title: Plant Morphology & Anatomy


Note : Question No. 1 is of short answer type and is compulsory for all the students. It carries 5 Marks. (Word limits 50-100)


a) Cork cambium forms tissues that form the cork. Do you agree with this statement?

Explain.

b) Explain morphogenesis.

c) What is Apomixes and its importance?

d) What is a laticiferous tissue?

e) Define merestem and list the basis on which it is classified.


Q.2 Discuss briefly what you know about nodel anatomy.

Q.3 Draw T.S. of a typical drcot root.

Q.4 Explain the following

a. Crafting b. Vivipary




Paper Code: BO – 202

Paper Title: Cell Biology, Genetics & Plant Breeding


Note: Question No. 1 is of short answer type and is compulsory for all the students. It carries 5 Marks. (Word limits 50-100)


(I) How mutations can be useful in crop production and disease resistance?

(II) Name few international agricultural research institutes.

(III) What is cell division?

(IV) Draw the diagram of chromosome.

(V) What is the universe initiation codon for protein formation?


Q.2 Write the role of extrachromosomal DNA in mitochondria and How it is different in

function from chromosomal DNA.

Q.3 What is vegetative propagation? Explain with example.

Q.4 What is plant breeding? State the various methods with their merits & demerits.





Paper Title: Cell Biology, Genetics & Plant Breeding




a) In which year, green revolution had started? What are the main objectives of green

revolution.

b) Draw the structure of DNA.

c) Draw the diagram of eukaryotic cell.

d) What is polyploidy?

e) What are the transposans and how they are responsible in gene mutation?


Q.2 Name the scientists and their contribution in the field of plant science.

Q.3 Write the roles of national Agricultural Research Institutes in crop development and

plant breeding.

Q.4 What are the difference types of DNA?





Paper Title: Plant Physiology & Biochemistry Max. Marks: 15



(I) Define ascent of sap.

(II) Mention three symptoms in plants undergoing deficiency of Ca & P.

(III) What will be RQ if the substrate provided is carbohydrate.

(IV) List the factors affecting respiration.

(V) Mention the methods used to break dormancy in the seeds.


Q.2 Discuss primary, secondary, tertiary and quaternary structure of protein.

Q.3 Discuss the various theories of ascent of sap.

Q.4 Write short notes on : -

a. Photosynthetic pigments. B. CAM (Crassulean Acid Metabolism)





Paper Title: Plant Physiology & Biochemistry Max. Marks: 15



a) Define guttation.

b) What is Emerson enhancement effect?

c) Photosynthesis is an oxidation – reduction reaction.Comment.

d) Compare C3 & C4 plants.

e) Differentiate between photorespiration and true respiration.


Q.2 Describe Z-scheme for photosynthetic electron transport in plants.

Q.3 Draw the path way of Glycolysis and mention the number of ATP net gained.

Q.4 Classify enzymes on the basis of chemical reaction catalyzed by them.




Paper Code: CH– 201Paper Title: INORGANIC CHEMISTRY



Q. 1. Answer all the questions:a) Why does Mn(II) show maximum paramagnetic character amongst the bivalent ions of first

transition series?

b) Though copper, silver and gold atoms have completely filled sets of d-orbitals. Yet they are

considered as transition metals. Why?

c) In the transition series, starting from lanthanum (At. no. 57), the next element hafnium has

atomic number 57. Why do we observe this jump in atomic number?

d) Why are “f-block elements placed at the bottom of the periodic tables? Give the names of the

series present in the block.

e) Of the ions Co2+, Sc3+ and Cr3+, which one is a good complexing agent? Give a suitable reason

for your answer.

Note: Answer any two questions. Each question carries 5 marks (Word limits 500)Q. 2. What is lanthanide contraction? How does it occur? What are its consequences?

Q. 3 What are transition elements? Why do they show variable oxidation states?

Q. 4 How are ligands classified as unidentate, bidentate and poly dentate ligands? Explain with

example?




Paper Code: CH– 201Paper Title: INORGANIC CHEMISTRY



Q. 1. Answer all the questions:1. Give the IUPAC name of the linkage isomer of [(NH3)3 Pt (NO2)Cl with structure

2. Define the following terms giving suitable examples?

a. Complexion b. Ligand

b. Co-ordination number d. Co-ordination sphere

3. Calculate the pH of a 1x10-7N solution of Hcl?

4. Define the word oxidising agent with examples?

5. Explain the mechanism of HF as a non-aqueous solvent?


Q. 2 What is isomerisation in co-ordination compounds? Discuss different types of isomerisms

shown by co-ordination compounds?

Q. 3 Explain the Bronsted-Lowry acids and bases with example?

Q. 4 What is non-aqueous, solvents? Explain any three solvents?




Paper Code: CH– 202Paper Title: ORGANIC CHEMISTRY



Q. 1. Answer all the questions:1) Explain the term nuclear magnetic resource.2) Write the possible isomers of C3H6O2. How will you differentiate them with the help of IR

spectroscopy. Give only characteristic absorption bands.3) Write any two chemical reactions of alcohols where RO-H bond breaks. Explain mechanism.4) How will you synthesize:

a. Phenol from salicylic acid.b. ‘o’ and ‘p’ acetylphenol from phenol.

5) Write amok on orientation of epoxide ring opening.


Q.2 Describe the principle of electronic transition in UV-visible spectroscopy. The absorption bands of aqueous oriline are at 230 nm and 280 nm while in Hcl are 230 nm and 254 nm, why?

Q.3 What do you understand by stretching and bending vibrations. How many types of vibrations occur in organic compounds. Explain?

Q.4 Give three methods to synthesize glycerol. Write chemical reactions when it reacts with :(a) Oxalic acid (b) Excess of HI (c) Gaseous Hcl (d) HIO4




Paper Code: CH– 202Paper Title: ORGANIC CHEMISTRY



Q. 1. Answer all the questions:1) What happened when :

a. When acetaldehyde reacts with dilute NaOH.

b. When acetone reacts with formaldehyde and diethyl amine.

2) Discuss acidic characteristics of carboxylic acids.

3) Write reaction mechanism of base promoted ester hydrolysis.

4) Write a note on stereochemistry of amines.

5) How will you convert benzene diazonium chloride into benzene or into phenol.


Q.2 Explain Aldol condensation with reaction mechanism and suitable examples. How will you

prepare chrotonaldehyde and mesityloxide using this condensation.

Q.3 How tartaric acid is prepared, what will happen if it reacts with :

(a) Tollen reagent (b) Cone H2SO4

(c). Acetyl chloride (d) Pcl5

Q.4 Describe effect of structure and substituents on basic nature of amines.




Paper Code: CH– 203Paper Title: PHYSICAL CHEMISTRY



Q. 1. Answer all the questions:1) Write the record law of thermodynamics.

2) Give the relation between enthalpy and entropy of thermodynamic reaction.

3) Define ‘heat of reaction’ and ‘internal energy’.

4) What do you understand by strong and weak electrolytes.

5) Give the relation between specific - conductivity (k) and equivalent conductivity (eq).


Q.2 Give the types of batteries and give detailed discussion of any two types of batteries.

Q.3 (a) Give the Faraday’s first and second law of electrolysis.

(b) How much electric power is required to produce 1 metric ton (1000 kg.) of chlorine from

brine, assuming the ceus operate at 2.0 volts and assuming 100% efficiency.

Q.4 (a) Define corrosion and give the types of corrosion.

(b) Give the electrochemical cell theory of corrosion its mechanism.




Paper Code: CH– 203Paper Title: PHYSICAL CHEMISTRY



Q. 1. Answer all the questions:1. Derive the nervest equation for a reduction half reaction.

2. Draw the phase diagram for sulphur system.

3. Define isochroic, adiabatic and isobaric processes.

4. Draw a cell for following reaction.

2Ag+(aq) + Zn(s) →Zn2+

(aq) + 2Ag(s)

5. What do you understand by the terms ‘phase’ and ‘degree of freedom’.

Note: Answer any two questions. Each question carries 5 marks (Word limits 500)Q.2 (a) Define electrochemical and electrolystic processes with one example of each.

(b) Define ‘reference electrodes’ term and give the construction of one reference electrode.

Q.3 (a) Define the term entropy and give the relation of entropy with enthalpy.

(b) Hydrogen peroxide decomposes according to the following thermochemical reaction:

H2O2 (l)→ H2O(l)+ ½O2 (g) ΔH 98.2kJ

Calculate the change in enthalpy H , when 1.00 g. of hydrogen peroxide decomposes.

Q.4 (a) Calculate the change in enthalpy (H) for the reaction :

H2(g) +d2( g) → 2Hcl(g)

(H-H bond energy 436kJ /moi)

Cl -Cl bond energy 243kJ /moi)

(b) Give the Gibbs-phase rule with suitable example.




Paper Code: ZO- 201Paper Title: INVERTIBRATES



Q. 1. Answer all the questions:i. Who proposed the modern classification of animal kingdom?

ii. Draw a labelled diagram of Euglena.

iii. On which classification phylum porifera is based?

iv. List the important features of Coelenterate.

v. Draw a labelled diagram of Male Ascaris.


Q.2 Discuss the pathogenicity and life cycle of plasmodium.

Q.3 Write notes on food habits and reproduction in Porifera.

Q.4 Describe the anatomy and important features of Coelenterates.




Paper Code: ZO- 201Paper Title: INVERTIBRATES



Q. 1. Answer all the questions:1) What are the main characters of Arthropoda?

2) What types of Termites found in a Nest?

3) What type of body Molluscan has?

4) Explain the body structure and features of members of Hemichordate.

5) Write about the feeding habit of Rotifers.


Q.4 Give a detailed account on coelome and metamerism in Annelida.

Q.5 Discuss the body structure and reproduction in Prawn.

Q.6 Explain the process of development and reproduction in Snail (Natica)




Paper Code: ZO- 202Paper Title: ANIMAL PHYSIOLOGY & IMMUNOLOGY



Q. 1. Answer all the questions:1) What do any understand by primary, secondary and tertiary structure of protein give

examples.

2) Differentiate between exogine gland endogine gland and heterogine gland. Give

examples.

3) What are different type of nervous system.

4) Write a note on menstrual cycle.

5) Differentiate between cell mediatral and humeral immune system.


Q.2 Discuss the structural hierarchy of protein.

Q.3 Write a note on cells and organ of immune system.

Q.4 Write a note events involved in fertilization.




Paper Code: ZO- 202Paper Title: ANIMAL PHYSIOLOGY & IMMUNOLOGY



Q. 1. Answer all the questions:1) Mention the composition of Blood.

2) Define mutarotation and give examples.

3) Define coenzyme, cofactor and prosthetic group.

4) Differentiate between medulated and non-medulated nerve fibers.

5) Write down functions of pacanatic gegetum.


Q.2 Discuss the transmission of nerve impulse.

Q.3 Write a note on cardiac cycle.

Q.4 Write a note on urine formation in brief.




Paper Code: ZO- 203Paper Title: MICROBIOLOGY & BIOTECHNOLOGY



Q. 1. Answer all the questions:1) Draw a well labelled diagram of Prokaryotic cell.

2) Differentiate Gram positive and Gram negative cell wall of bacteria.

3) What is polymerase chain reaction and its application in recombinant DNA

technology.

4) What do you mean by the term ‘Gene’?

5) What is a viroid? .


Q.2 Write a detail account on structural organization of prokaryotic cells. Differentiate

Prokaryotic cell from Emkaryotic cell.

Q.3 Write note on:-

i. Replication of Viruses.

ii. Virus and Vaccine

Q.4 Explain molecular structure of a gene and write a note on gene concept.




Paper Code: ZO- 203Paper Title: MICROBIOLOGY & BIOTECHNOLOGY



Q. 1. Answer all the questions:1) Differentiate taq polymerase and reverse transcriptase.

2) What are transgenic animals?

3) Define bioremediation.

4) Write down the methods of reproduction in bacteria.

5) What is DNA finger printing?


Q.2 Explain the cloning vectors used in production of transgenicanimals. Write down

applications of trangenic animals.

Q.3 Write a detailed account on environment biotechnology.

Q.4 Write short note on any two:-

i. Food biotechnology

ii. Biopharmaceuticals

iii. Transduction in bacteria

iv. RNA Viruses




Paper Code: PH- 201Paper Title: THERMAL AND STATISTICAL PHYSICS



Q. 1. Answer all the questions:1) What are the properties of absolute temperature?

2) Two states of energy gap 6.9x10-21J have relative probability of e2. Calculate the

temperature of the complete system.

3) State second law of thermodynamics.

4) Explain the concept of triple point.

5) 1kg. water (at 30oC) is mixed with 2kg water (at OoC) calculate the change in

entropy.


Q.2 What is carnot engine? Derive the expression for efficiency calculation of carnot

engine.

Q.3 State and derive clausius - clapeyson equation.

Q.4 What is the concept of liquid helium I and II? Explain the abnormal properties of

liquid He.




Paper Code: PH- 201Paper Title: THERMAL AND STATISTICAL PHYSICS



Q. 1. Answer all the questions:1) What is regenerative cooling?

2) Prove that C2m = (2Kt/m).

3) Explain thermal conduction.

4) Derive the relation between entropy and probability.

5) Explain thermionic emission.


Q.2 Using energy distribution function. Prove that the mean kinetic energy of a system is

always proportional to temperature.

Q.3 What are postulates of quantum physics? State plank distribution law.

Q.4 Explain following terms:

a. Partition function b. Heat capacity

c. Enthalpy d. Helmboltz free energy

e. Gibbs free energy




Paper Code: PH- 202Paper Title: OPTICS



Q. 1. Answer all the questions:a. Write format’s principle of least time.

b. Define cardinal points of a system with diagram.

c. What do you understand by chromatic and monochromatic abberration?

d. What are the conditions to produce interference fringes.

e. Why do the Newtons’ rings get closer as the order of the rings increases?


Q.1 Describe the construction and working of Huygen’s eyepiece show why it can be

used for qualitative purpose only.

Q.2 Discuss principles and working of zone plate compare zone plate with a convex lens.

Q.3 (a) What are coherent sources? Discuss why two independent sources of light of the

same wavelength cannot produce interference fringes?

(b) Derive the fringe width in young’s double slit experiment.




Paper Code: PH- 202Paper Title: OPTICS



Q. 1. Answer all the questions:a. Give the formula for determination of wavelength of sodium light using

Michelson interferometer and refractive index or the thickness of the thin

transparent film.

b. Define plane transmission grating. How is the original grating prepared?

c. State and derive Malus law for a polarizer.

d. Define :

i. Population inversion

ii. Optical pumping

e. Can sound wave be polarized and why?


Q.5 What is laser? Explain salient features of laser radiation. How laser light is different

from ordinary light? Explain absorption, spontaneous emission and stimulated

emission of radiation.

Q.6 What is optical activity? Describe construction and working of a polarimeter. How can

you measure specific rotation of cane sugar solution by it?

Q.7 Give the construction and working of Babinet compensator. Mention its uses.




Paper Code: PH- 203Paper Title: ELECTRONICS



Q. 1. Answer all the questions:a. Define the term conductivity and mobility in a semiconductor.

b. Explain the terms nipple and peak inverse voltage.

c. Explain why ordinary transistor is called bipolar and current centrolled device.

d. State Kirchoff’s first and second level.

e. What is the difference between active and passive filters?


Q.2 Explain energy band theory of crystals on its basis bring out difference between

insulators, semiconductors & metals.

Q.3 Draw the circuit diagram of a full wave rectifier and explain its working.

Q.4 Sketch the typical input - output characteristics of a BJT when connected in

i. Common Emitter Configuration.

ii. Common Base Configuration




Paper Code: PH- 203Paper Title: ELECTRONICS



Q. 1. Answer all the questions:a. Explain why positive feedback and not negative feedback is necessary to

produce oscillators.

b. What is feedback in amplifiers. Write the difference between current and

voltage feedback?

c. Explain why BIT’s are called bipolar devices while FET are called unipolar

devices and how divine current is controlled in JFET.

d. What do you understand by reverse saturation current of a diode?

e. What is the significance of stability factor in transistor operation.


Q.2 State and prove reciprocity theorem.

Q.3 Draw the circuit diagram of Huntley oscillator and briefly explain how the oscillations

are maintained in this oscillator.

Q.4 Draw the block diagram of feedback amplifiers in the following configuration.

i. Voltage series feedback.

ii. Voltage shunt feedback. Find an expression for voltage gain of an amplifier with

negative feedback in configuration.




Paper Code: MT - 201Paper Title: REAL ANALYSIS & MATRIC SPACE








Paper Code: MT - 201Paper Title: REAL ANALYSIS & MATRIC SPACE




(A) Write down the statement of Taylor’s theorem.

(B) Prove that the following simultaneous limit does not exist.

(C)


Q.2 If a function f is bounded and has only a finite number of points of discontinuity in [a,b] then

prove that f is R-integrable over [a,b]

Q.3 Defined metric space and the space p l is a metric space with the metric defined by

Q.6 Let (x,d) be a complete metric space and let ( y,d) be a subspace of (x,d) then ( y,d) is

complete iff y is a closed set in (x,d).




Paper Code: MT - 202Paper Title: DIFFERENTIAL EQUATIORY








Paper Code: MT - 202Paper Title: DIFFERENTIAL EQUATIORY




(a) Solve : (D2 4) (D2-y) o

(b) Write the difference between ordinary and partial differential equation.

(c) Define complete and general integral of partial differential equation.

(d) Write the condition of exactness for the following differential equation.

(E) Write the condition of exactness for me differential equation of first order and first degree.


Q. 2

Q. 3

Q. 4




Paper Code: MT - 203Paper Title: NUMERICAL ANALYSIS & VECTOR CALCULUS


Note: Question No. 1 is of short answer type and is compulsory for all the students. It carries 5 Marks. (Word limits 50-100)Q. 1. Answer all the questions:





Paper Code: MT - 203Paper Title: NUMERICAL ANALYSIS & VECTOR CALCULUS




(a)(b)

(c)

(d)

(e)


Q. 2

Q. 3

Q.4

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