ICAR AIEEA-PG — Forestry/Agroforestry & Silviculture (Major Subject Group 09) · India · National Testing Agency for ICAR
Original practice questions written to the published syllabus · not past papersPlant morphology, anatomy and the classification systems used to name and identify forest plants, from gymnosperms to the major angiosperm families of tropical and temperate forests.
In the exams: Background to ICAR AIEEA-PG Group 09 (dendrology) and IFoS Forestry Paper II Section B (forest ecology and ethnobotany)
ICAR AIEEA-PG — Forestry/Agroforestry & Silviculture (background to dendrology)
Recall of plant tissues, secondary growth, leaf, flower and fruit types, rules of nomenclature, classification systems and the characters and examples of major forest families.
How our questions for ICAR AIEEA-PG spread across the units of Forest Botany & Plant Systematics. Difficulty: 10 easy, 8 medium, 2 hard.
| Plant cell, tissues and secondary growth | 3 | |
| Gymnosperms: Pinaceae, Cupressaceae, Araucariaceae, Podocarpaceae | 3 | |
| Major angiosperm forest families: Fabaceae, Dipterocarpaceae, Myrtaceae, Lamiaceae, Meliaceae, Fagaceae | 3 | |
| Morphology of root, stem, leaf, flower, fruit and seed | 2 | |
| Principles of plant nomenclature and the International Code (ICN) | 2 | |
| Classification systems: Bentham & Hooker, Engler, APG | 2 | |
| Floras, keys and botanical databases | 2 | |
| Ethnobotany: concepts and methods | 2 | |
| Herbarium technique and plant collection | 1 |
Choose an answer, then open the working. Each explanation says why the right answer is right and why the others are not.
Which lateral meristem produces wood and inner bark?
B. Vascular cambium
The vascular cambium adds secondary xylem inward and phloem outward. The cork cambium forms periderm; apical meristems give length; intercalary meristems add length at internode bases.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
A hanging spike of small unisexual flowers, as in oaks and poplars, is a:
B. Catkin
Catkins (aments) occur in oaks, birches, poplars and willows.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
The starting point for nomenclature of most vascular plants is:
D. Linnaeus's Species Plantarum, 1753
Species Plantarum (1 May 1753) is the starting point.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
Family names under the ICN end in:
D. -aceae
-aceae families; -ales orders; -oideae subfamilies; -eae tribes.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
Interpetiolar stipules (between the petioles of opposite leaves) help recognise:
A. Rubiaceae
Adina, Haldina and Mitragyna are Rubiaceae.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
The global directory of herbaria and their codes is:
C. Index Herbariorum
Index Herbariorum lists herbaria; Index Kewensis is a names index.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
Hooker's Flora of British India was published in:
A. Seven volumes, 1872–1897
Seven volumes over 1872–1897; 1862–1883 is Genera Plantarum.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
World Flora Online succeeded which earlier resource?
B. The Plant List
WFO replaced The Plant List as a global accepted-names list.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
Ethnobotany studies:
B. People-plant relationships
It covers naming, use, management and valuing of plants by cultures.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
Wood (secondary xylem) is formed by the vascular cambium towards the:
D. Inside
Xylem forms inward and phloem outward.
Further reading: Simpson, Plant Systematics (3rd ed., 2019); Judd et al., Plant Systematics (4th ed., 2016); Evert, Esau's Plant Anatomy (3rd ed., 2006)
Ten here, 20 in the app. The Laisha app has every practice question we have written to ICAR AIEEA-PG in this subject, marked as you go, with timed papers, a jump-to-unanswered list and a certificate when you pass at 70 per cent.
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