Question :
Which one of the following is an indicator of air pollution?
Option 1:
Cycas
Option 2:
Algae
Option 3: Bryophytes
Option 4: Lichens
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Correct Answer: Lichens
Solution : The correct option is - Lichens
Rocks, trees, arid earth, metal, and concrete are just a few examples of the natural and man-made habitats where lichens can be found. Since they depend entirely on the atmosphere for their nutrients, they are significant as indicator species as they are sensitive to air pollution.
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Which of the following amphibians lacks tongue?
Sphenodon
Salamander
Option 3: Ichthyophis
Option 4: Necturus
The larvae of cockroach are called:
Caterpillar
Nymph
Option 3: Maggot
Option 4: Grub
The plant that behaves as a root parasite is:
Ficus
Santalum
Option 3: Cuscuta
Option 4: Euphorbia
Companion cells of phloem are found in:
gymnosperms
Bryophyta
Option 3: Pteridophyta
Option 4: Angiosperms
Five Kingdom classifications were given by:
Whittaker
Haeckel
Option 3: Linnaeus
Option 4: Copeland
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