Question Bank 456y41

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 . 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, Joysagar785665,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 Sl. Questions Type of Marks Key Unit No questions answer to No. . (OT, the SAT, ET) objective type of question

Unit 1. 1,2, 3,4

2. 3. 4. 5. 6. 7. 8. 9. 10. 11.

Bordeaux mixture is a) an antibiotic b) insecticide c) fungicide d) weedicide Which of the following is an algal pathogen a) Xanthomonas b) Cephaleuros c) Erysiphe d) Helminthosporium Loose smut of wheat is caused by a) Ustilago tritici b) Puccinia graminis c) Ustilago hordei d) Puccinia recondite When a disease become destructive on a continental scale it is called a) Sporadic b) Endemic c) Systemic d) Pandemic The perennating spore of Phytopthora infestans is a) chlamydospore b) oospore c) conidia d) ascospore Anthropochory is the dispersal of pathogen by a) animal b) bird c) man d) water The most commonest and most destructive type of symptom on host is a) blast b) necrosis c) blight d) spot Stroma is a) compact somatic hyphae with fruit body b) loosely interoven hyphae c) a small hyphal branch d) a group of spores Pestelotia theae belongs to the class a) Ascomycetes b) Basidiomycetes c) Oomycetes d) Deuteromycetes 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 Write short notes on: a) Disease forecasting

OT

1

OT

1

(c) (b)

OT

1 (a)

OT

1

(d)

OT

1

(c)

OT

1

(c)

OT

1

(b)

OT

1

(a)

OT

1

(d)

OT

1

(b)

SAT

3 each

12. 13. 14. 15. 16

17 18 19

20 21 22 23 24 25

b) Quarantine c) Modus operandi d) Mixed cropping e) Crop rotation f) Sanitation g) Heat treatment h) Seed treatment i) Soil fumigation j) Antagonism What is infection cushion? What are toxins? How it help the host to combat pathogenesis? Discuss the role of tylosis in defending the entry of pathogen. Why epidemics are common in vegetatively propagated plants than natural communities? Differentiate between:a) Systemic and Localized diseases b) Sporadic and localized diseases c) Monocyclic and Polycyclic diseases d) Rust and Smut e) Die-back and damping-off f) Virulent and Avirulent gene g) Epidemic and Endemic diseases h) Biotrophs and necrotrophs Describe the life history of Puccinia graminis tritici on alternate host. What do you understand by ‘oxidative brust’? What are Uredia and Telia? Draw and label a section each of them and describe. What are the differences between Uredospore & Telutospore? Write briefly the late blight of potato and its controlling measures. What do you mean by susceptibility and immunity of host towards pathogen? Discuss briefly the biological control and its ecological importance in plant disease management. Discuss briefly the penetration stage of pathogen inside host tissue. What do you mean by host parasite interaction? Discuss briefly about the post-penetration stages caused by plant pathogen. Discuss briefly the mode of infection adopted by a pathogen.

SAT SAT

2 2+3

SAT

3

SAT

3

SAT

2+2

SAT

3

SAT ET

3 2+3+2 +1

ET

5+2

ET

5

ET

4+2

ET

5

ET

2+5

ET

5

26 27 28 29

30 31 32

What are first lines of defence strategies developed in response to pathogen attack? What are resistance genes? Classify them on the basis of their structure and function. What do you mean by genetics of susceptibility and resistance? Discuss the molecular basis for gene. Mention the name of causal organism, symptoms, disease cycle and control measures of the following diseases:a) Ergot of Rye b) Red rot of sugar cane c) Rust of wheat d) Loose smut of wheat e) Tobacco mosaic virus f) Grey blight of tea g) Citrus canker What are the principles of plant disease management? Discuss the various cultural practices adopted to manage plant diseases. What are systemic fungicides? Give a detail of use of systemic fungicides in plant disease management. What is seed pathology? Explain the different seed treatment categories in modern agriculture.

ET

5

ET

2+4

ET

4+4

ET

2+2+2 +2

ET

4+4

ET

2+4

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 (Put

4th Sem

5th Sem

6th Sem

‘tick’ mark in appropriate box)

Subject: BOTANY (MAJOR) Course Code: BOTM 201 (UNIT 1-4) Course Title: Bryophytes Unit No.

Sl. No .

Unit 1. 1-4

Questions

Type of questions (OT, SAT, ET)

Marks

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

OT

1

Key answer to the objective type of question

(d)

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

2.

3.

4.

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.

To tide over the unfavorable conditions the Anthoceros forms storage organ known asa) Tubers

b) Perennating tubers

c) Bulbils

d) Gemmae

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

b) Nostoc sp.

OT

1

(b)

OT

1 (b)

OT

1

(b)

c) Stigonaema sp. 5.

d) Oscillatoria sp.

The sieve tube-like cell structures in the anatomy of Polytrichum rhizome are known asa) Amylom. c) Hydrom.

b) Leptom.

OT

1

d) Stereom.

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 on “Slime pores and mucilage cavities of Anthoceros”.

ET

4

10.

Write an on “Collumella of the Bryophyte sporangium”.

ET

4

11.

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

ET

4

12.

Write Short notes on

ST

3X5

a) Amphibian habit of Bryophytes b) Ecological and economic importance of Bryophytes c) Collumella d) Nutrition of sporophytes of Bryophytes. e). Protonema 13.

How the Anthoceros gametophytes tide over the unfavorable conditions?

ST

3

14.

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

ET

2+3=5

15.

“Sphagnum is a synthetic group between

ET

8

(b)

Hepaticae, Musci and Anthocerotae” Justify the statement. 16.

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

17.

Write short Notes on –

ET

6

SAT

3x4

a). Apophysis b. Operculm c. Peritome d. T.S. of Sphagnum stem 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 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 (Put

4th Sem

5th Sem

‘tick’ mark in appropriate box)

Subject: BOTANY Course Code: BOTNM-201 (UNIT-1) Unit No.

Sl. No .

Unit 1. -1

6th Sem

Course Title: Bryophytes

Questions

Type of questions (OT, SAT, ET)

Marks

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

OT

1

Key answer to the objective type of question

(d)

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

2.

3.

4.

5.

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.

To tide over the unfavorable conditions the Anthoceros forms storage organ known asa) Tubers

b) Perennating tubers

c) Bulbils

d) Gemmae

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

b) Nostoc sp.

c) Stigonaema sp.

d) Oscillatoria sp.

The sieve tube-like cell structures in the anatomy of Polytrichum rhizome are known asa) Amylom.

b) Leptom.

OT

1

(b)

OT

1 (b)

OT

1

(b)

OT

1

(b)

c) Hydrom.

d) Stereom.

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 on “Slime pores and mucilage cavities of Anthoceros”.

ET

4

10.

Write an 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.

1st Sem

2nd Sem

Annexure-I Question Format rd 3 Sem 4th Sem 5th Sem (Put

6th Sem

‘tick’ mark in appropriate box)

Subject: BOTANY Course Code: BOT(NM)-201 (UNIT-1)

Course Title: Pteridophyte

Unit No.

Sl. No.

Unit1

1.

Questions

Lycopodium species are

Type of questions (OT, SAT, ET)

Marks

OT

1

Key answer to the objective type of question

(a) epiphyte (b) terrestrial

(d)

(c) Creeping (d) all the above 2.

Lycopodium is commonly called as

OT

1

(a) horse tail (b) club moss

(b)

(c) quil wort (d) stone wort 3.

Gametophytic stage of pteridophyte is called as

4.

(a) Protonema (b) prothallus (c) both Rhizophore ofSelaginella is (a) root (b) organ suigeneris

OT

1

OT

1

(a)

OT

1

(a)

(a)

(b)

(c) stem (d) part of leaf 5.

Fern gametophyte is (a) homothallic (b) heterothallic (c) autoecious (d) heteroecious

6.

Spores of pteridophyte are

OT

1

7.

(a) Haploid (b) diploid (b) (c) triploid (d) tetraploid Ligule and cone are present in

OT

1

(b)

(a) Lycopodium (b) Selaginella (c)Marsilea (d) Polypodium 8.

Silica particles are present in

OT

1

9.

(a) Marsilea (b) Equisetum (c) Selaginella 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 of the spore producing organs of Lycopodium, Selaginella and

ET

2+3+3

(b)

Equisetum. 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 Sub: BOTANY Course Code : BOT NM 201 Course Title: Gymnosperms ( unit 1 & 2 )

6th Sem

Unit no.

Sl . n o

Questions

Type of questions OT/SAT/ET

Mark s

Key answer to the objective type questions Thallophyta

1

1

Ot

1

d

1

2

Which order of the Gymnosperms have been considered as seeded ferns a. Gnetales b. Ginkgoales c. Cycadales d. Cycadofilicales Which of the following Botanists was related to the classification of gymnosperms ? a. Smith b. Mandel c. J. C. Bose d. Pant Order Cordaitales is under a. Coniferopsida b. Gnetopsida d. Cycadopsida d. None of above What is Geological time scale ?

OT

1

d

OT

1

a

ST

3

3 1

1

4

1

5

Write explanatory notes on Cordaitales or Bennettitales

ST

7

1

6

Discuss a classification of Gymnosperms you like best.

ET

7

1

7

ST

4 each

2

8

OT

1

B

2

9

Write short notes on ( any three ) a. Carboniferous period b. Prof Birbal Sahni c. Gondowana land d. Form genera Coralloid roots are found in the roots of a. Pinus b. Cycas c. Gnetum d. None of above Which of the following contain xylem vessels ? a. Bryophyta b. Pteridophyta c. Gymnosperms d. Angiosperms

OT

1

C

2

1 0

Naked seeds of Gymnosperms mean for absence of which organ ? a. Seed coat b. Integument c. Embryo d. None of these Megasporophylls of which of the followings is organized in definite cone ? a. Cycas b. Pinus c. Ginkgo d. Gnetum Turpentine is obtained from a. Cycas b. Pinus c. Gnetum d. Cedrus

OT

1

D

2

1 1

OT

1

A

2

1 2

OT

1

B

2

1 3

Cycas pollen tube absorbs foods from a. Integument b. Ovule c. Nucellus d. Fruit Ptyrix in Cycas is a. Simple b. Circinate c. Semicircinate d. Circular

OT

1

C

2

1 4

OT

1

B

2

1 5

Algal zone is characteristic of a. Normal roots of Cycas b. Roots of Pinus c. Coralloid roots of Cycas d. Stem of Cycas In Pinus seeds there are a. Two cotyledons b. Three cotyledons c. Fleshy cotyledons d. Many cotyledons Cycas pollen grains are shed at the a. 4 celled stage b. 3 celled stage c. 2 celled stage d. 1 celled stage

OT

1

C

2

1 6

OT

1

D

2

1 7

OT

1

B

2

1 8

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

OT

1

C

2

1 9

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

OT

1

C

2

2 0

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

OT

1

C

2

2 1

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

OT

1

False

2

2 2

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

OT

1

2

2 3

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

OT

1

False. Represente d by microphyll False

2

2 4

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

OT

1

True

2

2 5

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

OT

1

False

2

2 6

What is sporophyll ?

SAT

2

2

2 7

What do you mean by winged pollen grains?

SAT

2

2

2 8

What is strobili ?

SAT

2

2

2 9

SAT

3 each

2

3 0

SAT

4 each

2

3 1

Write short notes on a. Microsporophyll of Cycas b. Coralloid roots c. Transfusion tissue d. Needle of Pinus e. Megasporophyll of Pinus Draw & label a. Ls of Cycas ovule b. Ls of Pinus ovule c. Ls of Gnetum ovule d. Anatomy of coralloid root of Cycas. Write in brief about the morphology of megasporophyll of Cycas and its taxonomic importance

SAT

5

2

3 2

Compare the ls of ovules of Cycas and Gnetum.

SAT

5

3 3

Compare the microsporophylls of Cycas and Pinus

SAT

5

3 4

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

ET

4+3 =7

3 5

Discuss the angiospermic characters of Gnetum.

ET

10

3 6

Discuss the gametophytic development of Cycas

ET

10

3 7

Discuss the gametophytic development of Pinus

ET

10

3 8

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.