Clear and transparent looking water is not always potable. This is because it may contain microorganisms like algae, bacteria, etc., The best method to kill microorganisms and purify water is by the process of__________.

Boiling

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Freezing

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Filtration

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Decantation

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Boiling
Microorganisms such as algae, bacteria, etc., die when exposed to high temperatures. Thus, microorganisms that are present in water die when water is boiled at high temperatures thereby, purifying the water.

Suggest Corrections

Similar questions

Q. Regarding the assertion and reason, please select the right option.
Assertion [A]: The clear looking water from a well contains high amount of minerals.
Reason [R]: Water impurities are always microscopic or submicroscopic; clear water need not be potable water.

Q. A village is affected by numerous cases of fluorosis. Doctors treating this patient learn that the majority of the drinking water for the village is drawn from a well. The water from the well looks crystal clear. However, the doctor sends the water for chemical testing.
Regarding this an assertion and reason are made by the doctor. Please select the right option.
Assertion [A]: The clear looking water from the well contains high amount of minerals, especially fluorine.
Reason [R]: Water impurities are always microscopic or submicroscopic; clear water need not be potable water.

Q. A sample of water is considered fit for human consumption if the water is
(a) transparent, colourless, and odourless
(b) contains sufficient amount of dissolved oxygen and salts
(c) free from harmful chemicals and microorganisms
(d) all of these

Q. Fill in the blanks with the help of words given in bracket after each sentence.

(a) When air is contaminated by ________ substances which have a ________ effect on both the ________ and ________, it is referred to as ________.

(air pollution, harmful, living, unwanted, non-living, pollutants).

(b) Many ________ are responsible for causing ________ pollution. Petroleum ________ are a major source of ________ pollutants like ________ and ________.

(sulphur dioxide, refineries, industries, nitrogen dioxide, gaseous, liquid, people, air)

(tap, liters, brushing, washing, drops)

(d) Water which is suitable for _________ is called ________ water.

(washing, bathing, drinking, potable, soft)

(e) Water which looks clean still has disease-carrying ________ and ________ impurities.

(insects, microorganisms, particles, dissolved, harmful).

Q. Which of the following statement is/are not correct for single cell protein (SCP)?
(i) The biomass is obtained from unicellular microorganisms only
(ii) It provides a protein rich supplement
(iii) SCP can be produced by using bacteria and algae but not fungi
(iv) It helps to minimise environmental pollution
(v) SCP has to be processed before use

Join BYJU'S Learning Program

Clear and transparent looking water is not always potable. This is because it may contain microorganisms like algae, bacteria, etc., The best method to kill microorganisms and purify water is by the process of__________.

The correct option is A BoilingMicroorganisms such as algae, bacteria, etc., die when exposed to high temperatures. Thus, microorganisms that are present in water die when water is boiled at high temperatures thereby, purifying the water.

The correct option is A Boiling
Microorganisms such as algae, bacteria, etc., die when exposed to high temperatures. Thus, microorganisms that are present in water die when water is boiled at high temperatures thereby, purifying the water.