BBYCT-137 EM 2025 SOLVED ASSIGNMENT

Description

Bachelor’s Degree Programme
(BSCG)
BBYCT-137 Plant Physiology and Metabolism)
Valid from 1st January, 2025 to 31st December, 2025
ASSIGNMENT
(Tutor Marked Assignment)
Course Code: BBYCT-137
Assignment Code: BBYCT-137/TMA/2025
Maximum Marks: 100
Note: Attempt all questions. The marks for each question are indicated against it.
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9.
Define the following terms:
i)
Matric potential
ii)
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v)
Holochrome
Holozyme
Heterocyst
Fluorescence
How enzyme activity gets altered by inhibitors? Explain.
Describe the biochemistry of ammonia assimilation in plants.
What are photosynthetic and non-photosynthetic pigments? Discuss their
distribution and role in plant kingdom.
Describe the role that macro and micro nutrients play in the growth and
development of plants. Describe the deficiency symptoms of various
elements in plants.
Describe the role of auxin and cytokinin in plant development.
a)
b)
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b)
Describe the Munch Mass Flow model of translocation of solutes.
Discuss the ‘sink’ to ‘source’ transition during phloem unloading.
Distinguish between short day and long day plants giving two
examples of each. What is the role of phytochrome in flowering?
What are allosteric enzymes? Discuss with the help of an example.
What are the different biochemical and morphological changes
recorded in plants in response to stress conditions? Discuss.
How does ABA act as a stress hormone?
10. a) Describe the structure of mycorrhiza. Comment on the role of
mycorrhizal root association in mineral nutrition.
b)
Describe the process of glycolysis with the help of a labelled diagram.
(2×5=10)
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