Uses of water - class-VII
Description: uses of water | |
Number of Questions: 40 | |
Created by: Amal Dixit | |
Tags: water evs - i chemistry biology sources of water states of matter: boiling, evaporation and condensation evs natural resources - air, water and land water and air and their importance rules are for everyone for a pollution free nation life giving water natural resources water in our life air, water and soil natural resources- air, water and land water: a natural resource |
Animal that can change its colour is
Estuaries are considered as nutrient trap due to the mixing of
If water vapor comprises 3.5 percent of an air parcel whose total pressure is 1,000 mb, the water vapor pressure would be:
________ is the major source of fresh water.
Which of the following is the BEST indicator of the actual amount of water vapor in the air?
______ is basic necessity for all terrestrial forms of life.
The percentage of water in a human body is:
Lagoon refers to
The largest brackish water lake in India is
The amount of freshwater of the earth frozen as polar or glacial ice is
The process of losing water by plants is called:
How much percentage of fresh water is present in the world?
Water is a resource
Which pH range is most conducive for fresh water plants and animals?
Nearly 76% fresh water is confined in
Out of total water content, sea constitutes
The amount of freshwater of the Earth frozen as polar or glacial ice is
Which of the following is one of the ten most endangered river in the world?
Estuaries are
More than 70% of world's freshwater is contained in
Out of the total at any time, water present in the atmosphere is
Percentage of fresh water in the hydrosphere is
Amount of fresh water present as polar and glacial ice is
What are the advantages of water stored in the ground than pond water?
Study the given statements and select the correct answer.
(I) Lipids are macromolecules but obtained under-macromolecular fraction due to their insoluble nature in the aqueous medium of a cell.
(II) Water is the most abundant chemical in a living organism.
(III) The first respiratory substrate is lipid.
(IV) Dihydroxyacetone occurs in d and l form.
Largest amount of fresh water is found in
The salinity of sea water is
Of the total fresh water, ground water constitutes
The formation of ________ is the most characteristic feature in upper course of a river
More than 70% of world's freshwater is contained in
Pick the correct statement.
I. The estuaries are semi-enclosed coastal body of water, which has a free connection with the open sea.
II. Estuaries may be considered as ecotones between the fresh and marine habitats.
Ill. The Estuaries are salt water lakes.
IV. The estuaries are fresh water lakes.
Residence time of water in the atmosphere is
Percentage of water present in oceans and seas is
Part of earth covered by water is about :
Water occurs in frozen state over the land is
Water shortage is a problem faced only by people living in rural ares.
Percentage of fresh water in hydrosphere is
Percentage of total water found as fresh water is
Out of the total percentage, of water present as ground water is
Estuaries are considered as nutrient trap due to the mixing of