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Roll No. ....................
Section A
Total No. of Questions : 07
Total No. of Printed Pages : 07
(Multiple Choice questions)

RL-165

B.Sc.-B.Ed. (Secondary) (New) (RIE)

Examination, 2025

(Third Semester)

BOTANY

DCM-II

(Minor)

Taxonomy, Plant Ecology and Economic Botany

Time : 3 Hours]
[Maximum Marks : 60

Note : Attempt all questions from all Sections. Marks are indicated in all Sections.

1.

Choose the correct answer : 1×5=5

(i) Linnaeus 'species plantarum' comprises of :

(a) Names of plant species

(b) Name of bacteria

(c) Names of viruses

(d) None of the above

(ii) Genera Plantarum by Bentham and Hooker is based on :

(a) Classification of fungi

(b) Classification of algae

(c) Classification of seed plants

(d) None of the above

(iii) The combination of fungi, mycelia and roots is known as :

(a) Lichen

(b) Mycorrhiza

(c) Root nodule

(d) None of the above

(iv) Ecads are characterized by :

(a) Plants differing in appearance

(b) Plants belong to homogeneous genetic stock

(c) Plants exhibit somatic variations

(d) All of the above

(v) Biofuel is :

(a) Biodegradable

(b) Density of sulphur

(c) Environmental friendly

(d) All of the above

Section B

(Short Answer Type Questions) 3×5=15

2.

(i) Importance of herbaria.

Or

Binomial system of Plant, nomenclature.

(ii) Artificial system of classifications.

Or

Operational Taxonomical Units (OTUs).

(iii) Significance of edaphic factors.

Or

Effect of light on plant distribution.

(iv) Differences between ecotone and edge effect.

Or

Characteristics of ecads.

(v) Importance of Timber Plant species.

Or

Importance of fibre yielding plants.

Section C

(Long Answer Type Questions) 8×5=40

3.

Describe the role of cytology and phytochemistry in relation to taxonomy.

Or

Describe ICBN rules of Botanical Nomenclature.

4.

Describe Bentham and Hooker system of classification and its significance.

Or

Describe Hutchinson system of classification and analysis of merits and demerits of it.

5.

Describe the significance of biotic factors.

Or

Describe the morphological and physiological characteristics of hydrophytes.

6.

Describe the characteristics of community and its diversity.

Or

Describe different stages of succession of Xerosere.

7.

Describe medicinal plant species and their uses.

Or

Describe the economic importance of food plants.