Updated - November 17, 2023 08:49 pm IST
Published - November 16, 2023 05:00 pm IST
Sci-Five | The Hindu Science Quiz: On Invasive Species
Where are water hyacinths, one of the most commonly found invasive plants in India, originally from?
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1 / 5 |
Why are invasive species harmful?
- reducing biodiversity
- competing with native organisms for limited resources
- causing the extinction of native organisms
- All of the above
Invasive species are capable of causing the extinction of native plants and animals, reducing biodiversity, competing with native organisms for limited resources, and altering habitats.
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2 / 5 |
What is the most common characteristic of an invasive species?
- Anthocyanin
- Assimilation
- Phenotypic plasticity
- Morphogenesis
The most common characteristics of invasive species are rapid reproduction and growth, high dispersal ability, ability to survive on various food types and in a wide range of environmental conditions and the ability to adapt physiologically to new conditions, called phenotypic plasticity.
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3 / 5 |
This snail is one of the most common invasive species found in India. It was brought to India from Mauritius in 1847. What is it?
- Garden snail
- Giant African Snail
- Mizoram apple snail
- Common apple snail
Brought to India by William Henry Benson in 1847, the Giant African Snail spread through India very rapidly. Mr Benson had brought a pair from Mauritius for a friend who later released the snails in his garden.
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4 / 5 |
Where are water hyacinths, one of the most commonly found invasive plants in India, originally from?
- South America
- South Africa
- Cambodia
- Australia
Water Hyacinths, an ornamental aquatic plant from South America, were introduced to India during British colonial rule.
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How are invasive plants stopped from spreading?
- Cutting, pulling
- Herbicides
- Using plant diseases or predator species
- All of the above
There are many ways to curb invasive species growth. Mechanical methods involve cutting or pulling. Herbicides are used as chemical deterrents. Using plant diseases, predators or even suffocation are used to hinder their rapid growth.
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