Q7. Heliophile plants require mean maximum illumination of:
- (a) 30,000 lux.
- (b) 20,000 lux.
- (c) 10,000 lux.
- (d) 40,000 lux.
UPSC Combined Geo-Scientist 2020 Paper-I Question Paper PDF
- Year 2020
- Conducted By UPSC
- Languages English
Exam Details
| Detail | Information |
|---|---|
| Examination | Combined Geo-Scientist (Preliminary) Examination |
| Year | 2020 |
| Conducting Body | UPSC |
| Paper | Paper-I |
| Subject | General Knowledge |
| Question Type | Objective (MCQ) |
This document contains the Paper-I (General Knowledge) of the Combined Geo-Scientist (Preliminary) Examination 2020, conducted by UPSC. It features objective-type questions designed to test candidates' knowledge in various environmental and scientific topics. Aspirants can use this previous year's question paper to understand the exam pattern, question difficulty, and key areas to focus on for their preparation. The paper is crucial for candidates aiming to qualify for the Geo-Scientist roles within the government sector.
Major Topics Covered
- Ecology
- Environmental Science
- Biology
- Botany
- General Knowledge
- Climate Change
- Greenhouse Gases
Why This Paper is Important
- Useful for Combined Geo-Scientist (Preliminary) Exa preparation
- Helps understand the latest exam pattern
- Useful for practice and self-assessment
- Covers frequently asked General Studies topics
- Helpful for analysing question trends
Related Resources
- Combined Geo-Scientist (Main) Examination Previous Year Papers
- UPSC IES Previous Year Papers
- SSC JE Previous Year Papers
- UPSC CAPF Previous Year Papers
- Combined Geo-Scientist 2020 Paper-I Answer Key
- Combined Geo-Scientist Syllabus
- UPSC General Knowledge Syllabus
- Combined Geo-Scientist Exam Pattern
Instructions
- Gause's competitive exclusion principle states that two species.
Questions (page 2)
Q8. Which one of the following about anemophilous plants is correct?
- (a) Bright coloured flowers
- (b) Sweet smelling flowers
- (c) No nectar
- (d) Dwarf stigmata
Q9. The salt in sea water comes from:
- (a) rain.
- (b) chemical exchange between sea water and its substratum as well as hydrothermal emissions.
- (c) evaporation of water and concentration of dissolved salts.
- (d) mixing of different density waters during natural warm and cold current movements.
Q10. Biodiversity in terms of species richness is maximum in:
- (a) natural grasslands.
- (b) semi-natural grasslands.
- (c) artificial grasslands.
- (d) well maintained and watered grasslands.
Q11. Which one of the following greenhouse gases is the largest single contributor to anthropogenic radiative forcing?
- (a) Methane
- (b) Ozone
- (c) Nitrous oxide
- (d) Carbon dioxide
Q12. Which one of the following is the main natural source of Methane?
- (a) Wetlands
- (b) Belching by cattle
- (c) Leakage from pipelines
- (d) Burning of wood
Question paper preview
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Frequently asked questions
What is the name of the examination?
The examination is the Combined Geo-Scientist (Preliminary) Examination.
Which year is this question paper from?
This question paper is from the year 2020.
Who conducts the Combined Geo-Scientist Examination?
The Union Public Service Commission (UPSC) conducts the Combined Geo-Scientist Examination.
What is the subject of Paper-I?
Paper-I covers General Knowledge.
What is the format of questions in Paper-I?
The questions in Paper-I are objective (multiple-choice).
How many questions are visible on the first two pages?
There are 12 objective questions visible on the first two pages.