| Detail | Information |
|---|---|
| Examination | Maharashtra Forest Services Main Examination |
| Year | 2007 |
| Conducting Body | MPSC |
| Paper | Botany (Optional) |
| Subject | Botany |
| Duration | 3 Hours |
| Maximum Marks | 200 |
| Number of Questions | 9 |
| Question Type | Descriptive / Subjective |
This document contains the Maharashtra Forest Services Main Examination 2007 question paper for Botany (Optional). The exam, conducted by MPSC, had a duration of 3 hours and a maximum of 200 marks. It comprised nine descriptive questions, with candidates required to attempt five, including compulsory question 1 and four others selected from four sections (A, B, C, D), with one question from each section. The paper covers a wide range of botanical topics, including plant tissues, lichens, bacterial cell structure, hydrophytes, secondary growth in dicot stems, cell organelles like the nucleus, genetics concepts such as crossing over and linkage, plant reproduction (alternation of generations, endosperm development, double fertilization), classification systems, enzyme action, photosynthesis, respiration, protein synthesis, plant hormones, biotechnology, pollution, and ecosystems. The questions require detailed explanations, descriptions, comparisons, and differentiation of various biological processes and concepts, reflecting the depth expected in a main examination for forest services.
(a) What is complex tissue ? Describe its structure and functions. Write an essay on the economic importance of Lichens.
(b) Give an account of Ultrastructure of Bacterial Cell.
(c) What are hydrophytes? Describe hydrophytic adaptations.
(d) What is secondary growth? How it takes place in dicotyledonous stem.
(a) What is crossing over? Describe the mechanism and theories of crossing over.
(a)
Define reductional division. Explain Meiosis I in detail.
(a) What is Linkage? Describe the coupling and repulsion mechanism.
(b)
(b) What is Linkage? Describe the coupling and repulsion mechanism.
(a) What is alternation of generations ? Describe it with the help of Life Cycle of Pinus.
(b) Describe in detail the development of endosperm and its types.
(a) Give comparative account of systems of classifications of Bentham and Hooker and Engler and Prantle.
(b) Describe double fertilization and triple fusion in Angiosperms.
(a)
Describe the mechanism of enzyme action and properties of enzymes.
(a)
Differentiate between photosynthesis and respiration.
(b)
(b) Differentiate between photosynthesis and respiration.
(a)
Describe in detail the mechanism of protein synthesis.
(a)
What are Phytohormones ? Describe physiological effects of Auxins and Gibberellins.
(b)
(b) What are Phytohormones ? Describe physiological effects of Auxins and Gibberellins.
(a)
Define biotechnology. Explain its role in Agriculture and Industry.
(a)
Define Pollution. Give an account of water pollutants, its effects and methods of control.
(b)
(b) Define Pollution. Give an account of water pollutants, its effects and methods of control.
(a) Describe the origin, morphology, method of extraction of coconut fibres and their economic importance.
(b) What is ecosystem? Describe the components of ecosystem.
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The exam name is the Maharashtra Forest Services Main Examination, and the year is 2007.
The maximum marks are 200, and the duration is 3 hours.
Question No. 1 was compulsory.
Candidates had to attempt any four questions by selecting one from each of the four sections (A, B, C, D).
A complex tissue is a type of plant tissue composed of different types of cells that work together to perform a specific function. Examples include xylem and phloem.
Lichens have economic importance as sources of dyes, perfumes, medicines (like Usnic acid), and as indicators of air pollution. They also play a role in soil formation.