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WorksheetsXB Science Quiz
Total questions: 10
Worksheet time: 2mins
Carbon occurs in the elemental form as __________ and __________.
carbon dioxide, graphite
diamond, granite
graphite, diamond
carbon dioxide, carbon monoxide
The carbon cycle begins with the process of __________ in plants.
respiration
photosynthesis
transpiration
ascent of sap
Presence of __________ makes earth the most habitable planet.
oxygen
sun
water
atmosphere
Which international treaty signed by various countries helps to keep global warming in check?
Kioto Protocol
Koyto Protocol
Kyoto Protocol
Kyato protocol
What are endoskeletons and exoskeletons made out of?
carbonate salts
carbon
nitride salts
graphene
Which of the following are greenhouse gases?
(i) CH4
(ii) O2
(iii) Water Vapour
(iv) CO2
i and iv
i, ii and iv
ii and iii
i, iii and iv
Which of the following is NOT an effect of global warming?
Stronger storms
More snow and ice
More wildfires
None of these
Which of the following methods can help prevent global warming?
Afforestation
Increasing fuel efficiency of vehicles
Optimum usage of renewable energy
All of these
The most potent greenhouse gas in terms of efficiency is?
CFC
CH4
CO2
C20
The ozone layer is present in which layer of the atmosphere?
Thermosphere
Mesosphere
Troposphere
Stratosphere
