To

The Dy. Controller of Examinations ‘A’

Respected Sir,

In response to your letter no. DU/EX/DCE-A/SEM/QB/12/450 dtd. 18/01/12, I hereby submit the following questions ( both Major & Non major ) prepared by our faculty members. A hard copy of the same has been submitted to our Principal of the College.

Thanking you.

Sincerely yours

Bina Baruah

HOD, Botany

Sibsagar College, Joysagar-785665,Sivasagar

MAJOR 2ND SEMESTER

Annexure-I

Question Format

1st Sem 2nd Sem 3rd Sem 4th Sem 5th Sem 6th Sem(Put ‘tick’ mark in appropriate box)

Subject: BOTANY (MAJOR) Course Code: BOT (M )201 Course Title: Plant Pathology

Unit No.

Sl. No.

Questions Type of questions

(OT, SAT, ET)

Marks Key answer to

the objective type of

questionUnit

1,2,3,4

1. Bordeaux mixture is a) an antibiotic b) insecticide c) fungicide d) weedicide

OT 1 (c)

2. Which of the following is an algal pathogen a) Xanthomonas b) Cephaleuros c) Erysiphe d) Helminthosporium

OT 1(b)

3. Loose smut of wheat is caused by a) Ustilago tritici b) Puccinia graminis c) Ustilago hordei d) Puccinia recondite

OT 1(a)

4. When a disease become destructive on a continental scale it is called a) Sporadic b) Endemic c) Systemic d) Pandemic

OT 1 (d)

5. The perennating spore of Phytopthora infestans is a) chlamydospore b) oospore c) conidia d) ascospore

OT 1 (c)

6. Anthropochory is the dispersal of pathogen by a) animal b) bird c) man d) water OT 1 (c)

7. The most commonest and most destructive type of symptom on host is a) blast b) necrosis c) blight d) spot

OT 1 (b)

8. Stroma is a) compact somatic hyphae with fruit body b) loosely interoven hyphae c) a small hyphal branch d) a group of spores

OT 1 (a)

9. Pestelotia theae belongs to the class a) Ascomycetes b) Basidiomycetes c) Oomycetes d) Deuteromycetes

OT 1 (d)

10. Pythium deberyanum is the causal organism of the disease a) wilt of Arhar b) damping off seedling c) blast of rice d) rust of tea

OT 1 (b)

11. Write short notes on:a) Disease forecastingb) Quarantine

SAT 3 each

c) Modus operandid) Mixed croppinge) Crop rotationf) Sanitationg) Heat treatmenth) Seed treatmenti) Soil fumigationj) Antagonism

12. What is infection cushion? SAT 213. What are toxins? How it help the host to

combat pathogenesis?SAT 2+3

14. Discuss the role of tylosis in defending the entry of pathogen.

SAT 3

15. Why epidemics are common in vegetatively propagated plants than natural communities?

SAT 3

16 Differentiate between:-a) Systemic and Localized diseasesb) Sporadic and localized diseasesc) Monocyclic and Polycyclic diseasesd) Rust and Smute) Die-back and damping-offf) Virulent and Avirulent geneg) Epidemic and Endemic diseasesh) Biotrophs and necrotrophs

SAT 2+2

17 Describe the life history of Puccinia graminis tritici on alternate host.

SAT 3

18 What do you understand by ‘oxidative brust’? SAT 319 What are Uredia and Telia? Draw and label a

section each of them and describe. What are the differences between Uredospore & Telutospore?

ET 2+3+2+1

20 Write briefly the late blight of potato and its controlling measures.

ET 5+2

21 What do you mean by susceptibility and immunity of host towards pathogen?

ET 5

22 Discuss briefly the biological control and its ecological importance in plant disease management.

ET 4+2

23 Discuss briefly the penetration stage of pathogen inside host tissue.

ET 5

24 What do you mean by host parasite interaction? Discuss briefly about the post-penetration stages caused by plant pathogen.

ET 2+5

25 Discuss briefly the mode of infection adopted by a pathogen.

ET 5

26 What are first lines of defence strategies ET 5

developed in response to pathogen attack?27 What are resistance genes? Classify them on

the basis of their structure and function.ET 2+4

28 What do you mean by genetics of susceptibility and resistance? Discuss the molecular basis for gene.

ET 4+4

29 Mention the name of causal organism, symptoms, disease cycle and control measures of the following diseases:-

a) Ergot of Ryeb) Red rot of sugar canec) Rust of wheatd) Loose smut of wheate) Tobacco mosaic virusf) Grey blight of teag) Citrus canker

ET 2+2+2+2

30 What are the principles of plant disease management? Discuss the various cultural practices adopted to manage plant diseases.

ET 4+4

31 What are systemic fungicides? Give a detail account of use of systemic fungicides in plant disease management.

ET 2+4

32 What is seed pathology? Explain the different seed treatment categories in modern agriculture.

ET 2+4

Signature of Contributor

Name of the Contributor: PRABHAT CHANDRA NATH Department and designation: Botany, Asst. Professor.

College: Sibsagar College.

Annexure-I

Question Format

1st Sem 2nd Sem 3rd Sem 4th Sem 5th Sem 6th Sem

(Put ‘tick’ mark in appropriate box)

Subject: BOTANY (MAJOR)

Course Code: BOTM 201 (UNIT 1-4)

Course Title: Bryophytes

Unit No.

Sl. No.

Questions Type of questions

(OT, SAT, ET)

Marks Key answer to

the objective type of

question

Unit1-4

1. Tubers of Anthoceros are of two to three outer layers have corky hyaline walls which contains-

a) Starch grains b) Oil globules c) small aleurone granules d) All above

OT 1

(d)

2. All Bryophytes lack typical vascular tissues in their gametophytes and sporophytes; hence the alternative name suggested by Tippo (1925) was

a) Coloechetae b) Atracheata

c) Calyptra d) None of these.

OT 1

(b)

3. To tide over the unfavorable conditions the Anthoceros forms storage organ known as-

a) Tubers b) Perennating tubers

c) Bulbils d) Gemmae

OT 1

(b)

4. On the underside of the thallus of Anthoceros small, dark, opaque rounded, bluish-green thickened spots are seen due to presence of-

OT 1 (b)

a) Anabaena sp. b) Nostoc sp.

c) Stigonaema sp. d) Oscillatoria sp.

5. The sieve tube-like cell structures in the anatomy of Polytrichum rhizome are known as-

a) Amylom. b) Leptom.

c) Hydrom. d) Stereom.

OT 1 (b)

6. Why the three groups of plants - Bryophytes, Pteridophytes and Gymnosperms are collectively known as the Archegoniatae?

SAT 2

7. What are the functions of “Collumella” in the Anthoceros sporangium?

SAT 3

8. Why the class Anthocerotopsida also known as “Hornworts”?

SAT 2

9. Write an account on “Slime pores and mucilage cavities of Anthoceros”.

ET 4

10. Write an account on “Collumella of the Bryophyte sporangium”.

ET 4

11. Write an account on affinities of “Anthoceros” to the other groups of land plants.

ET 4

12. Write Short notes on

a) Amphibian habit of Bryophytes

b) Ecological and economic importance of Bryophytes

c) Collumella

d) Nutrition of sporophytes of Bryophytes.

e). Protonema

ST 3X5

13. How the Anthoceros gametophytes tide over the unfavorable conditions?

ST 3

14. What is perennating tubers in Anthoceros? Write brief account on its structure.

ET 2+3=5

15. “Sphagnum is a synthetic group between Hepaticae, Musci and Anthocerotae” Justify the statement.

ET 8

16. Write briefly on the morphological nature of the male and female receptacles of Marchantia.

ET 6

17. Write short Notes on –

a). Apophysis

b. Operculm

c. Peritome

d. T.S. of Sphagnum stem

SAT 3x4

18..

Describe the various views on the origin of Bryophytes in plant Kingdom.

ET 8

19. Trace the evolution of the sporophytes in the various members of Bryophytes.

ET 8

20. Draw neat and labeled diagram of Marchantia thallus.

SAT 4

Signature of Contributor

Name of the Contributor: Nava Kumar Gam.Department and designation: Botany, Asst. Professor.College: Sibsagar College.

Annexure-I

Question Format

1st Sem 2nd Sem 3rd Sem 4th Sem 5th Sem 6th Sem

(Put ‘tick’ mark in appropriate box)

Subject: BOTANY Course Code: BOTNM-201 Course Title: Bryophytes (UNIT-1)

Unit No.

Sl. No.

Questions Type of questions

(OT, SAT, ET)

Marks Key answer to

the objective type of

question

Unit-1

1. Tubers of Anthoceros are of two to three outer layers have corky hyaline walls which contains-

b) Starch grains b) Oil globules d) small aleurone granules d) All above

OT 1

(d)

2. All Bryophytes lack typical vascular tissues in their gametophytes and sporophytes; hence the alternative name suggested by Tippo (1925) was

a) Coloechetae b) Atracheata

c) Calyptra d) None of these.

OT 1

(b)

3. To tide over the unfavorable conditions the Anthoceros forms storage organ known as-

a) Tubers b) Perennating tubers

c) Bulbils d) Gemmae

OT 1

(b)

4. On the underside of the thallus of Anthoceros small, dark, opaque rounded, bluish-green thickened spots are seen due to presence of-

OT 1 (b)

a) Anabaena sp. b) Nostoc sp.

c) Stigonaema sp. d) Oscillatoria sp.

5. The sieve tube-like cell structures in the anatomy of Polytrichum rhizome are known as-

a) Amylom. b) Leptom.

c) Hydrom. d) Stereom.

OT 1 (b)

6. Why the three groups of plants - Bryophytes, Pteridophytes and Gymnosperms are collectively known as the Archegoniatae?

ST 2

7. What are the functions of “Collumella” in the Anthoceros sporangium?

ST 3

8. Why the class Anthocerotopsida also known as “Hornworts”?

ST 2

9. Write an account on “Slime pores and mucilage cavities of Anthoceros”.

ET 4

10. Write an account on “Collumella of the Bryophyte sporangium”.

ET 4

Signature of Contributor

Name of the Contributor: Nava Kumar Gam.Dept. and designation: Botany, Asst. Professor.College: Sibsagar College.

Annexure-IQuestion Format

1st Sem 2nd Sem 3rd Sem 4th Sem 5th Sem 6th Sem

(Put ‘tick’ mark in appropriate box)

Subject: BOTANY Course Code: BOT(NM)-201 Course Title: Pteridophyte (UNIT-1)Unit No.

Sl. No.

Questions Type of questions (OT, SAT,

ET)

Marks Key answer to

the objective type of

question

Unit-1

1. Lycopodium species are

(a) epiphyte (b) terrestrial (c) Creeping (d) all the above

OT 1

(d)

2. Lycopodium is commonly called as

(a) horse tail (b) club moss

(c) quil wort (d) stone wort

OT 1

(b)

3. Gametophytic stage of pteridophyte is called as

(a) Protonema (b) prothallus (c) both

OT 1 (b)

4. Rhizophore ofSelaginella is

(a) root (b) organ suigeneris

(c) stem (d) part of leaf

OT 1 (a)

5. Fern gametophyte is

(a) homothallic (b) heterothallic

(c) autoecious (d) heteroecious

OT 1 (a)

6. Spores of pteridophyte are

(a) Haploid (b) diploid (b) (c) triploid (d) tetraploid

OT 1 (a)

7. Ligule and cone are present in

(a) Lycopodium (b) Selaginella (c)Marsilea (d) Polypodium

OT 1 (b)

8. Silica particles are present in

(a) Marsilea (b) Equisetum (c) Selaginella

OT 1 (b)

9. Discuss the morphological nature of rhizophore ET 4

10. What do you mean by microspores and megaspores ? where are these found?

SAT 2

11 What is trabacule? Mention its significance SAT 2

12 Give in a tabular form a comparative account of the spore producing organs of Lycopodium, Selaginella and Equisetum.

ET 2+3+3

13 With the help of a labeled diagram describe the strobilus of Equisetum

ET 3+4

14 Draw a vertical section of the strobilus of Selaginella and name the parts. What are the main differences between the Lycopodium and Selaginella

ET 4+4

15 What is heterospory? Ilustrate your answer with reference to life history of Selaginella .

ET 2+4

16 Describe the structure of sporocarp of Marsilea and write short notes on its morphological nature.

ET 4+4

17 Compare with neat sketches the external and internal structure of Lycopodium and Polypodium.

ET 4+4

18 Describe the life history of Ophioglossum ET 8

Signature of Contributor

Name of the Contributor: Prof. Bina Baruah (HoD) and Prof. S. Konwer Department and designation: Botany, Associate Professors.College: Sibsagar College, Joysagar

NON MAJOR- 2nd SEMESTER

Annexure – I

Question Format

!st Sem 2nd Sem 3rd Sem 4th Sem 5th Sem 6th SemSub: BOTANY Course Code : BOT NM 201Course Title: Gymnosperms ( unit 1 & 2 )

Unit no.

Sl. no

Questions Type of questionsOT/SAT/ET

Marks Key answer to the objective type questionsThallophyta

1 1 Which order of the Gymnosperms have been considered as seeded fernsa. Gnetales b. Ginkgoalesc. Cycadales d. Cycadofilicales

Ot 1 d

1 2 Which of the following Botanists was related to the classification of gymnosperms ? a. Smith b. Mandel c. J. C. Bose d. Pant

OT 1 d

13 Order Cordaitales is under

a. Coniferopsida b. Gnetopsidad. Cycadopsida d. None of above

OT 1 a

1 4 What is Geological time scale ? ST 3

1 5 Write explanatory notes onCordaitales or Bennettitales

ST 7

1 6 Discuss a classification of Gymnosperms you like best.

ET 7

1 7 Write short notes on ( any three )a. Carboniferous periodb. Prof Birbal Sahnic. Gondowana land d. Form genera

ST 4 each

2 8 Coralloid roots are found in the roots of a. Pinus b. Cycas c. Gnetum d. None of above

OT 1 B

2 9 Which of the following contain xylem vessels ?a. Bryophyta b. Pteridophytac. Gymnosperms d. Angiosperms

OT 1 C

2 10 Naked seeds of Gymnosperms mean for absence of which organ ?a. Seed coat b. Integumentc. Embryo d. None of these

OT 1 D

2 11 Megasporophylls of which of the followings is organized in definite cone ?a. Cycas b. Pinus c. Ginkgo d. Gnetum

OT 1 A

2 12 Turpentine is obtained from a. Cycas b. Pinus c. Gnetum d. Cedrus

OT 1 B

2 13 Cycas pollen tube absorbs foods froma. Integument b. Ovule c. Nucellus d. Fruit

OT 1 C

2 14 Ptyrix in Cycas is a. Simple b. Circinate c. Semicircinate d. Circular

OT 1 B

2 15 Algal zone is characteristic of a. Normal roots of Cycas b. Roots of Pinusc. Coralloid roots of Cycas d. Stem of Cycas

OT 1 C

2 16 In Pinus seeds there area. Two cotyledons b. Three cotyledonsc. Fleshy cotyledons d. Many cotyledons

OT 1 D

2 17 Cycas pollen grains are shed at thea. 4 celled stage b. 3 celled stagec. 2 celled stage d. 1 celled stage

OT 1 B

2 18 Archegonia is absent in a. Cycas b. Pinus c. Gnetum d. None of above

OT 1 C

2 19 Pavement tissue is found in a. Cycas b. Pinus c. Gnetum d. None of above

OT 1 C

2 20 Which of the followings possess angiospermic characters ?a. Cycas b. Pinus c. Gnetum d. None of above

OT 1 C

2 21 Pollination of Cycas takes place by water.True or false ?

OT 1 False

2 22 Each stamen in Cycas is represented by male cone. True or false ?

OT 1 False. Represented by microphyll

2 23 Gymnosperms differ from angiosperms in having seeds. True or false ?

OT 1 False

2 24 Integument of a Gnetum ovule consists of two layers. True or false ?

OT 1 True

2 25 Roots of Pinus is associated with Algae.True or false ?

OT 1 False

2 26 What is sporophyll ? SAT 2

2 27 What do you mean by winged pollen grains?

SAT 2

2 28 What is strobili ? SAT 2

2 29 Write short notes ona. Microsporophyll of Cycasb. Coralloid rootsc. Transfusion tissue d. Needle of Pinuse. Megasporophyll of Pinus

SAT 3 each

2 30 Draw & labela. Ls of Cycas ovule b. Ls of Pinus ovulec. Ls of Gnetum ovule d. Anatomy of coralloid root of Cycas.

SAT 4 each

2 31 Write in brief about the morphology of megasporophyll of Cycas and its taxonomic importance

SAT 5

2 32 Compare the ls of ovules of Cycas and Gnetum.

SAT 5

33 Compare the microsporophylls of Cycas and Pinus

SAT 5

34 Draw and label the ls of Gnetum ovule . Mention its angiospermic characters.

ET 4+3=7

35 Discuss the angiospermic characters of Gnetum.

ET 10

36 Discuss the gametophytic development of Cycas

ET 10

37 Discuss the gametophytic development of Pinus

ET 10

38 Compare the gametophytic development of Cycas and Pinus. Which one is highly evolved and why ? Give diagrams.

ET 8+4+3

Prepared by : Dr. Utpal Dutta, Assistant Professor, Department of Botany, Sibsagar College, Joysagar.