For existence of aquatic life in water, the dissolved oxygen content in it, shou

Question

For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm.

Options:

A . 10000

B . 5

C . 500

D . 1000

Answer: Option B

Submit Your Solution Below and Earn Points !

Next Question

More Questions on This Topic :

Question 1. __________ can not control the noise pollution.....

Question 2. Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive....of the following gases does not exhibit green house effect?

Question 3. The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the....

Question 4. Maximum permissible turbidity in potable water is __________ ppm.....

Question 5. Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by....

Question 6. Pick out the wrong statement.....

Question 7. Presence of nitrates in water in excess of 50 ppm causes....

Question 8. The resistance of water to the passage of light through it is a measure of the....

Question 9. Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes....

Question 10. Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are pres....cause the ozone layer depletion in atmosphere at tremendous rate?

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0