BBYCT-135 Plant Anatomy and Embryology in English Solved Assignment 2021-2022

BBYCT-135 Plant Anatomy and Embryology

Solved Assignment 2021-2022

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ASSIGNMENT
Course Code: BBYCT-135
Assignment Code: BBYCT-135/TMA/2021-2022
Maximum Marks: 100

Title Name

BBYCT-135 Solved Assignment 2021-2022

University IGNOU
Service Type Solved Assignment (Soft copy/PDF)
Course BSCG
Language ENGLISH
Semester 2021-2022 Course: B.SC(G) CBCS
Session Session: July 2021- January 2022
Short Name BBYCT-135
Assignment Code BBYCT-135/TMA/2021-2022
Product Assignment of BSCG 2021-2022 (IGNOU)
Submission Date Valid from 1st July, 2021 to 30th June, 2022

 

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Note: Attempt all questions. The marks for each question are indicated against it.
1. a) Define the following terms:
i) Adventitious roots
ii) Cuticle
iii) Heterophylly
iv) Tapetum
v) Pollinia
(1×5=5)
b) State whether these statements are ‘True’ or ‘False’:
i) Funiculus is the stalk by which seeds are attached to a fruit wall.
ii) Collenchyma is composed of living cells with lignified cell wall.
iii) Outer and inner tangential walls of the endothecial cells help in
dehiscence of anther.
iv) In dichogamy, the androecium and gynoecium mature at the
same time.
v) In most of the angiosperms the division of the zygote is
transverse resulting in formation of a small apical cell and a
large basal cell.
(1×5=5)
2. a) Explain different types of meristems found in plants with the help of a
well labelled diagram.
b) Enumerate the major features of Tunica Corpus Theory of shoot
apical organization.
(5)
(5)
3. a) Enlist the major characteristic features of halophytes.
b) List various types of simple and complex tissues. Describe complex
tissues with suitable diagrams.
(5)
(5)
4. Describe the secondary growth in dicot stem with the help of a well labelled
diagram.
(10)
5. a) List various types of ovules and describe them with outline diagrams.
b) Define apomixis and list its types. Discuss various causes of apomixis
and its importance.
(5)
(5)
6. Describe syngamy and triple fusion in angiosperms with the help of a well
labelled diagram. Enlist the major functions of endosperm in plants.
(10)
7. a) Describe the structure of a mature embryo sac with the help of a well
labelled diagram.
b) Trichomes play important role in plants, Justify the statement.
(5)
(5)
4
8. Differentiate between Intraspecific and Incompatibility Interspecific
incompatibility. List the methods to overcome incompatibility and discuss
the significance of incompatibility.
(3+4+3)
9. Differentiate between:
a) storied and non-storied cambium
b) amoeboid and glandular tapetum
c) self and cross pollination
d) psychophily and hymenophily
e) open and closed style
(2×5=10)
10. Write short notes on:
a) advantages of cross pollination
b) parthenocarpy
c) pneumatophores
d) commercial cork
e) insectivorous plants

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BBYCT-135, BBYCT 135, BBYCT135

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