question bank
TRANSCRIPT
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.