UPSC Mains ZOOLOGY-PAPER-I 2019

22 Questions • 300 Marks • With Detailed Model Answers

1
10 Marks150 Wordseasy
General characters and classification of Porifera.
ZoologyAnimal Classification
2
10 Marks150 Wordsmedium
Metagenesis - Does it differ from alternation of generations ?
BotanyZoologyReproduction
3
10 Marks150 Wordsmedium
Parasitic adaptations in Platyhelminthes.
ZoologyParasitology
4
10 Marks150 Wordsmedium
Water Vascular System in Asterias.
ZoologyEchinodermata
5
10 Marks150 Wordsmedium
Connecting link between Reptiles and Aves.
ZoologyEvolution
6
20 Marksmedium
Give an account of Nutrition in Protozoa.
ZoologyMicrobiology
7
15 Marksmedium
What do you understand about Torsion and Detorsion in Mollusca? Elucidate.
ZoologyDevelopmental Biology
8
15 Marksmedium
Give an account on Types of Skulls in Reptilia with the help of relevant diagrams.
ZoologyAnatomy
9
20 Marksmedium
Write an account on the Social Behaviour in Apis and Termites.
ZoologyEthology
10
15 Marksmedium
Describe the external features of Nereis. What is Heteronereis and how does it differ from Nereis? Comment upon Metamerism in Annelida.
ZoologyAnnelida
11
15 Marksmedium
Define Migration and describe various types of Migration in Fishes with suitable examples. Comment upon its significance.
ZoologyEcology
12
20 Marksmedium
Describe the Dentition in Mammals along with relevant diagrams.
ZoologyAnatomy
13
15 Marksmedium
Define parental care. Give an illustrated account of parental care in Amphibia.
ZoologyReproduction
14
15 Marksmedium
Describe urinogenital system in both the sexes of Amniotes with the help of diagrams only (No description is required).
ZoologyAnatomy
15
10 Marks150 Wordseasy
Greenhouse effect and its impact on the atmosphere.
Environmental ScienceEcology
16
10 Marks150 Wordseasy
Biome.
Environmental ScienceEcology
17
10 Marks150 Wordsmedium
Pheromones in alarm spreading.
ZoologyEthology
18
10 Marks150 Wordsmedium
Elephantiasis.
HealthParasitology
19
10 Marks150 Wordsmedium
Ultracentrifuge.
BiologyBiochemistry
20
20 Marksmedium
What is Biogeochemical cycle? Discuss in detail the Nitrogen cycle.
Environmental ScienceEcology
21
15 Marksmedium
Explain orientation and navigation with examples in different animals. Add a note on Homing behaviour.
ZoologyEthology
22
15 Marksmedium
Write the systemic position of a sugarcane pest. Give an account of its life-cycle and the damage caused by this pest. Write a note on its control measures.
AgricultureEntomology