BBYCT-133 EM 2025 SOLVED ASSIGNMENT

Description

Bachelor’s Degree Programme
(BSCG)
(Plant Ecology and Taxonomy)
Valid from 1st January, 2025 to 31st December, 2025
ASSIGNMENT
(Tutor Marked Assignment)

Course Code: BBYCT-133
Assignment Code: BBYCT-133/TMA/2025
Maximum Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it.
1. a) Answer in one word:
i) The green plants which constitute the first trophic level of the
food chain.
ii) A stage in which communities reach a stage of equilibrium.
iii) The organism that is eaten up by a predator.
(3)

b) Define the following:
i) Biome
ii) Net primary productivity
iii) Population
(3)
c) Match the following:
i) Aquatic plants a) Rank designating an
organism
ii) Synecology b) Binomial nomenclature
iii) Taxon c) Hydrosere
iv) Linnaeus d) Population/community

(4)
2. a) Describe the soil profile with the help of a well labelled diagram.
b) Enlist the major components of an ecosystem. Explain the
importance of these components for the functioning of an ecosystem?
(5)
(5)
3. What is ecological succession? Explain the phenomenon giving an
example of a desert community.
(10)
4. Describe the adaptations seen in xerophytes with the help of examples and
well labelled diagrams.
(10)
5. a) Write notes on fidelity and importance value index.
b) What are the different functions of herbarium?
(5)
(5)
6. a) Differentiate between alpha and omega taxonomy.
b) What are the salient features of structure of taxonomical hierarchy?
(5)
(5)
7. Outline Bentham and Hooker’s system of classification. Mention the
advantages and disadvantages of the system.
(10)
8. Discuss the different types of terrestrial and aquatic ecosystems. (10)
9.
a)
Write a note on pyramid of energy.
(5)
b)
10.
Discuss the vegetation pattern of Western Himalayas?
Write short notes on:
i)
ii)
iii)
Importance of endemics
Xerarch
Systema Naturae
iv) Therophytes