Natural Resource-2
| Description: Test for Natural Resources like Water,Wind and other for CBSE Class X Science | |
| Number of Questions: 40 | |
| Created by: Shiva Nambiar | |
| Tags: Natural Resources Water Wind Biology Science CBSE Class X Science Mensuration Area of Polygons in Mensuration Quadilaterals |
Which of the following elements are present in CFC's?
The process of evaporation of water from the surface of leaves is known as
What would be the immediate effect of depletion of ozone layer?
A recent hole in ozone layer has been found above the _________.
Greenhouse effect mainly helps in maintaining
The major effect of greenhouse effect would be
The process of ________ of water vapours in the atmosphere leads to rain.
Complex forms of nitrogen are reduced back to elemental form by
Which of the following is a greenhouse gas?
Animals consume nitrogen mainly in the form of
The process of __________ of water helps in the formation of water vapours in the atmosphere.
Amino acids are the building blocks of
The process of conversion of nitrates into free nitrogen is known as
Underground water finds its way to the surface through __________.
Ozone layer protects us from
Which plant roots are nitrogen fixing bacteria associated with?
Tropical plants can be kept warm during the winters in special enclosures called
What percentage of the atmospheric air consists of oxygen?
The roots of _________ plants help in nitrogen fixation.
Identify the major process that releases oxygen gas into the atmosphere.
Which of the following compounds is considered to be highly responsible for the depletion of the ozone layer?
Water that seeps through the soil forms
How are the CFC's responsible for the reduction of ozone layer?
What is the number of oxygen atoms present in an ozone molecule?
Heat is trapped by ______, which is also a phenomenon of greenhouse effect
The nitrogen gets converted into its oxides during
Which of the following process stops in the presence of oxygen?
The formula for ozone is
Carbon is present in its elemental form in
In which of the following processes oxygen is not used up?
The element present in alkaloids and urea is
Which of the following statements is true?
Which component of Sun's rays is absorbed by the ozone layer?
Identify the process that adds carbon dioxide to the atmosphere?
Which of the following gases is used up in photosynthesis and released during respiration?
Nitrites and nitrates are converted into __________ by plants.
Which of the following gases is used up in respiration and released during photosynthesis?
Nitrogen gas makes up ___% of our atmosphere.
Which of the following processes converts glucose into carbon dioxide?
Which of the following processes converts atmospheric carbon into glucose molecules?