THE NATIONAL COLLEGE

(AUTONOMOUS)
BASAVANAGUDI, BENGALURU-560004
FIRST INTERNAL ASSESSMENT TEST-JUNE 22
SEMESTER: II CLASS: BSc SUBJECT- BOTANY
PAPER -II

Max. Marks -30

Time: 1 hour

6x5=30
I. Answer any six of the following questions.
sk 1.Describe the gametophyte of Riccia thallus.
T 2. Draw a neat labelled diagram of T.S of Selaginella stem.

NLV 3.Write the general characteristics of algae.

NV A.Explain the structure of Nostoc.
8.List the general characteristics of Pteridophytes.
of Antheridium of Riccia.
6. Draw a neat labelled diagram of L.S.
AExplain the sporophyte of Equisetum.
T 8.Explain the L.S. of strobilus of Selaginella.

1
 THE NATIONAL COLLEGE

(AUTONOMOUS)
BASAVANAGUDI, BENGALURU-560004
SECOND INTERNAL ASSESSMENT TEST-JULY 22
SEMESTER: II CLASS: BSc SUBJECT- BOTANY
PAPER -II

Time: 1 hour
Max. Marks -30

I. Answer any six of the following questions. 6x5=30

A. Drawa neat
labelled diagram of L.S. of sporangium of Anthoceros.
2. Explain vegetative reproduction in Funaria.
3. Explain the Girdle view of Diatom

4. Describe the Nannandrous species of Oedogonium.

5. Give an account of economic
importance of Pteridophytes.
6. Explain the L.S. of sporangium of Pteris.
.Drawa neat labelled diagram of T.S. of Cycas leaf.
8.Explain the L.S. of Ovule of Cycas.
 The NationalCollege
Autonomous

Basavanagudi, Bengaluru -560 004

End Semester Examination August-September- 2022

Semester: Class: B.Sc. Subject: Botany
Title: Diversity of Non flowering Plants
Paper Code:
Max. Marks: 60
Duration: 2hrs.30 min
5 x 2= 10
Answer any FIVE of the following questions:
1 Mention the cell wvall composition of Diatoms.
2. Name any four pigments of Algae.
3. Mention the types of vegetative reproduction in Anthoceros.
Give any two significance of Mesozoic era.
5. List any four xerophytic characters of Equisetum.

6. Mention any four types of Algal cultivations.

7. List any two affinities of Gymnosperms with Angiosperms.
8. What is Heterospory? Give an example of Pteridophyte.
4 x5 =20
II. Answer any FOUR of the following questions:
9. Explain the structure of Nostoc.

10. Describe the globule of Chara.

11. Explain the capsule of Riccia.

Describe the male branch of Funaria.
12.

13. Give the general characteristics of Pteridophytes.

14. Explain thestructure of T.S. of Coralloid root ofCycas.

IIL. Answer any THREE of the following questions: 3x 10 = 30

15. Explain the thallus structure of Oedogonium. Add a note on Nannandrous species.
16.
Enumerate the uses of Algae in medicine and food.

17. Explain the T.S. ofEquisetum stem with labelled diagram.

18 What are fossils? Explain types of Fossils.
19. Explain the T.S. of Gnetum leaf with labelled diagram.
 THE NATIONL COLLEGE
Autono 10us
Basavanagudi, Bengaluru 560 004
FIRST INTERNAL ASSESSMENT EST NOVEMBER-DECEMBER-2022.
Semester: Class BSe Subject Botany
Paper Code Title: Plant anatomy & Embryology
|Duration: One Hour PAPER Max. Marks: 30
Draw Diagrams Wherever Necessary
Aaswer any SIX of the folluwiug: 6x 5=30
1. Explain lhe types of tapetum. Mention its functions.
2. Describe the plant cell wall.
3 Draw labelled diagram ofT.S ofAnther.
4 Explain the sructure o!' p.renchyinma and add a note on types of parenchyma.
5. Describe the laticiferous tissuc.

6 Explain the structure oovule.

7 Deseribe the ultra-struclure of mierOspore.

8. Explain the L.S of phlocn:.
 THE NATIONAL COLLEGE
Autonomous
Basavanagudi, Bengaluru -560 004
SECOND INTERNAL ASSESSMENT TEST JANUARY2023.
Semester: III Class: BSc Subject | Botany
Paper Title: Plant Anatomy and Developmental Biology
Code:
Duration: One Hour PAPER-I Max. Marks: 30
Draw Diagrams Wherever Necessary
Answer any SIX of the following: 6x 5=30
1. Describe the KorperKappe theory.
2. Explain the structure of dicot embryo.
3. Describe the anomalous secondary growth of Boerhaavia stem.
4. Describe Helobial endosperm.
5
Explain the type of vascular bundles with a neat labelled diagram.
6. Define fertilization. Mention post fertilization changes in
7. Explain the TS of monocot leaf with a neat labelled angiosperm plant.
diagram.
Describe the structure of anatropous ovule.
 The National College
Autonomous
Basavanagudi, Bengaluru - 560004
End Senmester Examination February 2023
Botany
Semester: Class: B.Sc. Subject:
Plant Anatomy & Developmen tal Biology
Paper Code: III Title: Max. Marks: 60
Duration: 2 Hrs 30 5x2= 10
IAnswer any FIVE of the following questions:
1 Define organogenesis.
2 Name the elements of food conducting tissue.
3 What is redifferentiation?

4 Diiferentiate exarch from endarch with an example.

5 Mention any two types of ovules with example.
6 List the functions of tapetum.
meristematic tissue.
Mention any four salient features of
8 Distinguish between spring wood and autumn wood. 4x5=20
following questions:
II. Answer any FOUR of the
changes.
9 Define fertilization. List the post fertilization
field of embryology.
Enumerate the contribution of B G L Swamy to the
labelled diagram.
11 Explain the T.S. of monocot leaf with a neat
embryo.
12 Explain the structure of dicot
13 Describe the types of stomata.
and add a note on its types.
14 Explain the structure of collenchyma 3x 10 = 30
questions:
II. Answer any THREE of the following
gametophyte.
15 Explain the development of monosporic female
in Dracaena stem.
16 Explain the anomalous secondary growth
17 Briefly explain shoot apical meristem.
18 Describe the morphogenesis of leaf. b) Histogen theory.
19 Write a note on a) Cellular endosperm
 THE NATIONAL COLLEGE
Autonomous
Basavanagudi, Bengaluru -560 004
FIRST INTERNAL ASSESSMENT TEST MAY 2023
)

Semester:IV Class: BSc Subject Botany

Paper Title: Eeology and Conservation Biology
LCadas
Duration: One Ilour PAPER- IV Max. Marks: 30
Draw Diagrams Wherever Necessary
Answer any FIVE of the following: 5 x6=30

1. Describe briefly thc biotic factor.

2. Explain briefly the economic value of biodiversity.
Explain the pond ecosystem.
|4. Define endemism. Mention any 5 endemic plants.
5 Write a note on pyramid of number.
6. Give an account on species and genetic diversity
Explain the nitrogen cycle.
8. Comment on threats to biodiversity.
 The National College
Autonomous

Basavanagudi, Bengaluru-560 004

SECOND INTERNALASSESSMENT TEST JULY -2023
SEMESTER: Iy CLASS: BSc SUBJECT- BOTANY

Duration: 1Hour Max. Marks: 30

I. Answer any SIX of the following questions. 6x5-30

1.Define Soil Pollution. Discuss its causes and control measures.

2.Explain the Hydrosere Succession.
3.Comment on Sacred groves and Pollen Bank.
4. Explain Symbiotic interactions with any two examples.
5.Mention the causes and effects ofAcid Rain.

6. Explain the Carbon Cycle.

7.Define the Following.
a) Pollutants b) Afforestation c) Biomagnification d) Eutrophication.
8. Write a note on Parasitism.
 The National College
Autonomous
Basavanagudi , Bangalore - 560 004
End Semester Examination August /September - 2023
Semester: IV Class: B.SC. Subje ct:
Botany
Paper IV Title: Ecology and Conservation Biology
Max. Marks: 60
Duration: 2Hours 30 Minutes
Part-A
5x 2= 10
I. Answer any FIVE of the following questions:
1 Mention any four abiotic factors of an ecosystem.
2 Name any two sampling methods of Plant communities.
3. Mention any four structural components of community ecology.
4 What is Population dispersion? Name any two factors which affect it.
5 What is Cryopreservation?
6. Name the hot spots of India.
7. What is Eutrophication?
Name any two sacred grooves.
II. Answer any FoUR of the following questions: 4x 5 =20
9. Write a note on Energy flow in an ecosystem.
10. Describe the morphological adaptations in Xerophytes.
11. Explain the Carbon cycle.
12. Comment othreats to Biodiversity.
13. Explain Vavilov's concept.
14. Explain the causes and effects of Air Pollution.
III. Answer any THREE of the following questions: 3 x 10 = 30
15. Describe Xeric succession with a neat labelled diagram.
16. Explain Mutualism with any Five examples.
17. Explain the values of Biodiversity.
18. Explain water pollution disasters.
19. Write a note on a) Altitude as a topographic factor
b)Habitat diversity.
**k**************
 THE NATIONAL COLLEGE

(AUTONOMOUS)
BASAVANAGUDI, BENGALURU-560004
INTERNAL ASSESSMENT TEST-NOV-23
SEMESTER: V CLASS: BSc SUBJECT- BOTANY

PAPER -v Title -Plant Morphology and Taxonomy.

Time: 1 hour Max. Marks -30

I. Answer any six of the following questions. 6x5-30

1. Write a note on Objectives and scope of Taxonomy.

2. Explain any five types of stem modification with examples.
3. Write a note on any two types of Botanical Gardens.
4. List the salient features of Brassicaceae family
5. Describe any two types of special types of Inflorescences.
6. Give a brief account of Bentham and Hooker system of Classification.
7. Explain any five types of Fleshy fruits with examples.
8.Write a note on plant taxonomic evidences from palynology.
 THE NATIONAL COLLEGE

(AUTONOMOUS)
BASAVANAGUDI, BENGALURU-560004

TEST-JANUARY 2024
SECOND INTERNAL ASSESSMENT
SEMESTER: V CLASS: BSc SUBJECT- BOTANY

PAPER -V Title -Plant Morphology and Taxonomy.

Max. Marks -30

Time: 1 hour

6x5-30
I. Answer any six of the following questions.
1. Write a note on plant taxonomy evidences from palynology.
2. Explain the principles of ICN in Taxonomy.
3. Write a note on Cladograms.
4. List the characteristic features of the family Poaceae.
5. Explain Homology and Analogy in Phylogenetics with examples.
6.List the salient features of Rubiaceae family.
7. Give a brief account of coevolution of Angiosperms and animals.
8.Write a note on DNA sequencing of Chloroplast gene.
 The National College
Autonomous
Basavanagudi, Bengaluru - 560 004
End Senmester Examination Feb/March - 2024
Class B.Sc. Subject: Botany
Semester:
Taxonomy
Paper DSC BOT-C9 -T Title: Plant Morphology and
Code: Paper V
Max. Marks: 60
Duration: 2 Hours 30 Minutes
5x 2= 10
I Answer any FIVE of the following questions:
1 Give any two examples of underground stem modifications.
2. What are true fruits? Give an example.
3. What is gynandrous condition. Give an example.
4. What is cluster analysis?
5. Give any two economic importance of Rubiaceae family.
6. What is Author citation .Give an example.
4 x5=20
II. Answer any FOUR of the following questions:
7 Explain homology and analogy in in phylogenetic systematics.
8. Give an account of history of Taxonomy.
9. Write a note on evolutionary species concept.
10. Write the diagnostic features of Family Euphorbiaceae with examples.
11. Write a note on Royal Botanical Garden.
III. Answer any THREE of the following questions: 3 x 10 = 30

12. Explain the technique involved in Herbarium preparation.

13. Describe the diagnostic characters and economic importance of the family Rutaceae.
14. Explain the DNA sequence of chloroplast gene.
15. Explain the principles and rules of ICN.

1
 THE NATIONAL COLLEGE
(AUTONOMOUS)
BASAVANAGUIDI, BENGALURU-560004

FIRST INTERNAL ASSESSMENT TEST-NOV-23

SEMESTER: V CLASS: BSe SUBJECT- BOTANY

PAPER VI -Title-Genetics and Plant Breeding

Max. Marks -30

Time: 1 hour

6x5=30
I. Answer any six of the following questions.
1. Explain Mendel's law of Inheritance.
2. Explain Incomplete dominance with reference to flower colour in Snapdragon plant.
3.Describe Complementary genes and their pattern of Inheritance in Sweet pea.
4.Explain the chloroplast variegation in Four o' clock plant.
5. Write a note on History of Mendelian Genetics.
6. Explain Dominant Epistasis with reference to fruit colour in Squashes.
7. Differentiate between Linkage and Crossing Over.
8. Explain the Mitochondrial mutations in Yeast.
************
 THE NATIONAL COLLEGE

(AUTONOMOUS)
BASAVANAGUDI, BENGALURU-560004
SECOND INTERNAL ASSESSMENT TEST-JANUARY 2024
SUBJECT- BOTANY
SEMESTER: V CLASS: BSc
PAPER VI -Title-Genetics and Plant Breeding

Max. Marks -30

Time: 1 hour

6x5=30
I. Answer any six of the following questions.
1. Explain the genetic basis of Heterosis.
2. Explain the inheritance of kernel colour in Wheat.
3.Write a note on Polyploidy with examples.
4.Explain the sex determination in Melandrium.
5. Differentiate between monogenic and polygenic inheritance.
6. Write a note on Physical mutagens.
7. Give a brief account of variations in chromosome number.

8. Write a note on cytological basis for crossing over.

 The National College
Autonomous
Basavanagudi, Bengaluru -560 004
End Semester Examination Feb/ March -2024
Class B.Sc. Subject Botany
Semester:
Paper Code: DSC-BOT-C11-T Title: Genetics and plant breeding
Paper VI
Max. Marks: 60
Duration: 2 Hours 30 min
5x 2= 10
I. Answer any FIVE of the following questions:
1. Mention any two chemical mutagens.

2. What is inbreeding depression?

3. Define interspecific hybridization.
4 What is polygenic inheritance?
5 Define Multiple Allelism .Give an example
6. Mention any two factors affecting Acclimatisation.
4 x5=20
II. Answer any FOUR of the following questions:
7. Explain cytological basis of crossing over.
8. Explain law of Independent assortment.
9. Write a note on plant introduction.
10. Explain the role of biotechnology in crop improvement.
11 Explain the types of aneuploidy.
3x 10 = 30
II Answer any THREE of the following questions:
12 Explain polygenic inheritance with suitable example.
13 Describe the types of vegetative propagation in plants with examples.
equilibrium.
14 Define Hardy-Weinberg law. Explain the factors which effect population
15 Explain the Mitochondrial mutations in Yeast.