UPSC Mains BOTANY-PAPER-I 2019

23 Questions • 320 Marks • With Detailed Model Answers

1
10 Marks150 Wordsmedium
Mycorrhizal association and its importance in plants.
BotanyEcology
2
10 Marks150 Wordsmedium
Differentiation between bioremediation and bioleaching.
EcologyEnvironmental Science
3
10 Marks150 Wordsmedium
Nature and significance of plant-endophyte relationship.
BotanyEcology
4
10 Marks150 Wordsmedium
Alternation of heteromorphic generations in Bryophytes.
BotanyPlant Kingdom
5
10 Marks150 Wordsmedium
Draw a well labelled longitudinal sectional view of the structure of capsule of Funaria.
BotanyPlant Kingdom
6
20 Marksmedium
What are the characteristic features, means of reproduction and economic importance of Ascomycetes?
BotanyMicrobiology
7
15 Marksmedium
Describe the characteristics and replication of viroids.
BotanyMicrobiology
8
15 Marksmedium
What are the critical features of heterospory and seed habit in pteridophytes.
BotanyPlant Kingdom
9
20 Marksmedium
Write the name of causal agent, symptoms and control measures of yellow vein of Okra and Tundu disease of wheat.
BotanyAgriculture
10
10 Marks150 Wordsmedium
Importance of haploid plant production from pollen grains.
BotanyGenetics
11
10 Marks150 Wordsmedium
Hydrocarbon yielding energy crops and advantages of biodiesel.
BotanyEnergy
12
10 Marks150 Wordsmedium
Steps in the production of somatic hybrids and their advantages.
BotanyBiotechnology
13
10 Marks150 Wordsmedium
Illustrate Kranz anatomy in a typical C4 plant leaf.
BotanyPlant Physiology
14
10 Marks150 Wordsmedium
Palynology and its significance.
BotanyGeology
15
20 Markseasy
Define herbarium and give methods of its preparation and also mention the names of five major herbaria.
BotanyPlant Taxonomy
16
15 Marksmedium
Write botanical names and families of the plants yielding beverages, narcotics and gums.
BotanyEconomic Botany
17
15 Marksmedium
What are the identifying characters, floral diagram and floral formula of Verbenaceae and Liliaceae?
BotanyPlant Taxonomy
18
20 Marksmedium
Highlight the main features of Vavilov's centres of origin of crop plants.
BotanyAgriculture
19
15 Marksmedium
Define totipotency and discuss cytodifferentiation in plants.
BotanyPlant Physiology
20
15 Marksmedium
How is Embryology useful in Taxonomy?
BotanyPlant Taxonomy
21
20 Marksmedium
How many types of embryo-sacs are known among angiosperms? Describe their formation. Give one example for each.
BotanyPlant Reproduction
22
15 Marksmedium
Discuss the salient features of Gnetales. Why are they regarded as the most evolved Gymnosperms?
BotanyPlant Kingdom
23
15 Marksmedium
What are the different stages of micropropagation? Mention its advantages.
BotanyBiotechnology