Environmental Awareness [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 1 - 5 of 134
Choose Programs:
📹 Video Course 2024 (244 Lectures [112 hrs : 11 mins]): Offline Support
Rs. 630.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
⏳ 🎯 Online Tests (6 Tests [100 questions each]): NTA Pattern, Analytics & Explanations
Rs. 1200.00 -OR-
3 Year Validity (Multiple Devices)
Sample TestsDetailsSee Demo
🎓 Study Material (902 Notes): 2024-2025 Syllabus
Rs. 850.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 1711 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 500.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 1
Appeared in Year: 2014
Question MCQ▾
Composition-wise halons are related to (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | Peptides | |
b. | Hydrocarbons | |
c. | CFCs | |
d. | Halides |
Question 2
Appeared in Year: 2019
Question Match List-Ⅰ List-Ⅱ▾
Match List-I (Ozone Depleting Substances) with List-II (Chemical Formulas) : (July)
List-Ⅰ (Ozone Depleting Substance) | List-Ⅱ (Chemical Formulas) |
---|---|
(A) CFC- 12 | (i) CClF2CF3 |
(B) CFC- 113 | (ii) CF2ClCF2Cl |
(C) CFC- 115 | (iii) CF2Cl2 |
(D) CFC- 114 | (iv) CF2ClCFCl2 |
Choices
Choice (4) | Response | |
---|---|---|
| ||
a. |
| |
b. |
| |
c. |
| |
d. |
|
Question 3
Appeared in Year: 2015
Question MCQ▾
Atmospheric life times of CFCs is typically in the range: (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | 50 - 102 years | |
b. | 200 - 400 years | |
c. | 140 - 200 years | |
d. | 152 – 210years |
Question 4
Appeared in Year: 2011
Question MCQ▾
Which of the following gases facilitates formation of tropospheric ozone? – (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 5
Appeared in Year: 2015
Question MCQ▾
The wavelengths that are most important in the context of stratospheric ozone depletion are- (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | 280 - 320nm | |
b. | > 900nm | |
c. | 400 - 700nm | |
d. | 700 - 900nm |