REVISION FOR PRELIMS – 22 AUGUST 2024

REVISION FOR PRELIMS – 22 AUGUST 2024

1. Which of the following statements are true ?
1. ITCZ theory relates to explanation of south west monsoon
2. ITCZ theory also explains sudden onset and break in monsoon
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
2. In Geography, What is a Geostrophic condition?
A. Condition where Coriolis force is higher than pressure gradient force
B. Condition where Coriolis force balances pressure gradient force
C. Condition where Coriolis force is lesser than pressure gradient force
D. None of the above
 3. What is a Rossby wave?
A. Waves deflected by Coriolis force
B. Waves deflected by pressure gradient force
C. Fast moving jet streams
D. None of the above
4. Which of the following statements are true regarding Walker cell conditions?
1. Australia is warm and Peru is cold
2. Winds blow from Peru to Australia
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
5. Pichavaram, Bartang areas are geographically famous for _
A. Evergreen forest
B. Dugong reserve
C. Least rainfall areas
D. Mangrove vegetation
6. Which of the following statements are true ?
1. High intensity light promotes root growth in plants
2. Red and blue light are effective for photosynthesis
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
7. Which of the following statements are true ?
1. Neck of Giraffe is a morphological adaptation to its environment
2. Sweating is a example of acclimatization
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
8. Which of the following statements are NOT true ?
1. The flow of energy in a food chain is unidirectional
2. The position that a organism occupy in a food chain is called a Trophic level
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
9. Which of the following is a negative species interaction?
A. Amensalism
B. Commensalism
C. Mutualism
D. Neutralism
10. With reference to ecological succession, what is the meaning of Xerarch?
A. Succession that starts on water
B. Succession that starts on land
C. A final stage of transition
D. None of the above
11. Which of the following is not a limitation of Pyramid of energy?
A. Donot take into account same species in one or more trophic levels
B. Donot accommodate food web
C. Compares functional roles of trophic levels
D. Saprophytes are not given position
12. Which of the following is a nitrifying bacteria?
A. Nitrosomonas
B. Nitrococus
C. Clostridium
D. Nitrobacter
13. What is the name given to Temperate grassland biome in Hungary?
A. Pustaz
B. Prairies
C. Pampas
D. Bush veld
14. With reference to Ecological Niche, which of the following statement truly defines Gauss law?
A. A zone of junction between 2 biomes is called Ecotone
B. No 2 species can have same niche
C. Edge effect is unique to ecotone
D. A species niche includes all biotic and abiotic factors
 15. Which of the following statements are true regarding a fresh water ecosystem ?
1. A lentic zone defines static water
2. A lotic zone defines running water
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
16. Which of the following is not a factor that influences productivity of lakes?
A. Sunlight
B. Chemical composition
C. Temperature
D. Dissolved oxygen
 17. What is the name given to aquatic organism that live at Air-water interface in a lake?
A. Neuston
B. Periphyton
C. Nekton
D. Benthos
18. What is the name given to a lake with very low nutrients?
A. Mesotrophic lake
B. Oligotrophic lake
C. Eutrophic lake
D. None of the above
19. Which of the following wetland proved successful is restoring numbers of Sarus Cranes in India?
A. Renuka
B. Deeper Bol
C. Chilika
D. Bhoj
20. In which year was National wetlands Conservation program started in India ?
A. 1890
B. 1980
C. 1986
D. 1896
21. With reference to Biodiversity, what is a Alpha-diversity ?
A. Diversity of species within a particular area
B. Diversity of species compared between two ecosystems
C. Overall measure of diversity for different ecosystem
D. None of the above
 22. Which of the following statement correctly defines a keystone species ?
A. It is a species chosen to represent a environmental cause
B. Addition or loss of such species would Alter the occurrence of at least one of the another species
C. Dominant primary producer of ecosystem
D. None of the above
 23. Which of the following statements are true regarding Exsitu conservation of species ?
1. It is conservation of species outside its natural habitat
2. A seed bank is an example of exsitu conservation
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
24. Which of the following statements are true ?
1. The man and biosphere program was started by UNESCO in 1971
2. The man and biosphere program was introduced in India in 1986
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
 25. Which of the following statements are true ?
1. Zoological Survey of India was started in 1916 for research in Fauna
2. Zoological Survey of India is headquarted in New Delhi
A. 1 ONLY
B. 2 ONLY
C. BOTH 1&2
D. NEITHER 1NOR2
 26. In which year was Indian forest act passed ?
A. 1971
B. 1972
C. 1973
D. 1974
27. Which of the following international convention exclusively talks about ozone depleting substances?
A. Kyoto Protocol
B. Agenda 21
C. Paris agreement
D. Montreal protocol
28. In which year was National adaptation fund for climate change operationalized in India ?
A. 2010
B. 2012
C. 2015
D. 2018
29. With reference to environmental protection in India, Soumitra Chowdhury committee is related to __
A. Compensatory afforestation
B. BS Norms
C. Water conservation
D. None of the above
30. In which year was Biomedical Waste Management rules passed ?
A. 2010
B. 2012
C. 2015
D. 2016