-
Engineering and Architecture
Exams
Colleges
Predictors
Resources
-
Computer Application and IT
Quick Links
Colleges
-
Pharmacy
Colleges
Resources
-
Hospitality and Tourism
Colleges
Resources
Diploma Colleges
-
Competition
Other Exams
Resources
-
School
Exams
Ranking
Products & Resources
-
Study Abroad
Top Countries
Student Visas
-
Arts, Commerce & Sciences
Exams
Colleges
Upcoming Events
Resources
-
Management and Business Administration
Exams
Colleges & Courses
Predictors
-
Learn
Online Courses
Engineering Preparation
Medical Preparation
-
Online Courses and Certifications
Top Streams
Specializations
- Digital Marketing Certification Courses
- Cyber Security Certification Courses
- Artificial Intelligence Certification Courses
- Business Analytics Certification Courses
- Data Science Certification Courses
- Cloud Computing Certification Courses
- Machine Learning Certification Courses
- View All Certification Courses
Resources
-
Medicine and Allied Sciences
Colleges
Predictors
Resources
-
Law
Resources
Colleges
-
Animation and Design
Animation Courses
Colleges
Resources
-
Media, Mass Communication and Journalism
Exams
Colleges
Resources
-
Finance & Accounts
Top Courses & Careers
Colleges
Get Answers to all your Questions
Match the items given in Column I with those in Column II and select the correct option given below :
|
|
Column I | Column II | |
| a. | Eutrophication | i. | UV - B radiation |
|
b. |
Sanitary landfill | ii. | Deforestation |
| c. | Snow blindness | iii. | Nutrient enrichment |
| d. | Jhum cultivation | iv. | Waste disposal |
- Option 1)
a b c d iii iv i ii - Option 2)
a b c d i iii iv ii - Option 3)
a b c d ii i iii iv - Option 4)
a b c d i ii iv iii
Answers (2)
As we learnt in
Causes of water pollution -
Eutrophication
- wherein
Rich growth of micro-organisms consumes most of the dissolved oxygen, so as to deprive other organisms. It generally occurs at the bottom layers of deep lakes. Addition of excessive plant nutrients intensifies eutrophication. It is harmful to fish and other aquatic life.
Jhum cultivation -
Trees are axed for timber, firewood, cattle ranching and for several other purposes.
- wherein
Slash and burn agriculture, commonly called as Jhum cultivation in the north-eastern states of India, has also contributed to deforestation.
Sanitary landfills -
Sanitary landfills were adopted as the substitute for open-burning dumps
.
- wherein
In a sanitary landfill, wastes are dumped in a depression or trench after compaction, and covered with dirt everyday.
Effect of UV light -
UV radiation of wavelengths shorter than UV-B, are almost completely absorbed by Earth’s atmosphere, given that the ozone layer is intact. But, UV-B damages DNA and mutation may occur
- wherein
It causes aging of skin, damage to skin cells and various types of skin cancers. In human eye,cornea absorbs UV-B radiation, and a high dose of UV-B causes inflammation of cornea, called snow-blindness, cataract, etc. Such exposure may permanently damage the cornea.
Eutrophication- Nutrient enrichment
Sanitary landfill - Waste disposal
Snow blindness - UV-B radiation
Jhum cultivation - Deforestation
Option 1)
| a | b | c | d |
| iii | iv | i | ii |
This is correct.
Option 2)
| a | b | c | d |
| i | iii | iv | ii |
This is incorrect.
Option 3)
| a | b | c | d |
| ii | i | iii | iv |
This is incorrect.
Option 4)
| a | b | c | d |
| i | ii | iv | iii |
This is incorrect.
NEET 2024 Most scoring concepts
- Just Study 32% of the NEET syllabus and Score up to 100% marks
Similar Questions
Trending Articles/News
Latest Question
- A sum of money under compound interest doubles itself in 4 years. In how many years will it become 16 times itself? Option: 1 1
- A certain loan amounts, under compound interest, compounded annually earns an interest of Rs.1980 in the second year and Rs.2178 in the third year. How much interest did it earn in the first year?
