The list of diseases given below are transmitted by air. However there is a difference between them as well. Mention the difference and identify the odd one out. [3]
Tuberculosis-
chicken pox-
measles-
polio-
Categorize the following organisms as friend or foe of humans. Mention their groups. [3]
Nostoc-
Entamoeba-
Lactobacillus-
Anabaena-
Aspergillus-
Bacillus anthracis-
Rhizobium-
Rishav went to a bakery shop. He saw the baker adding some sugar and a powder into the flour. Eager to know how to bake the cake he stood there for about 2 hours. What do you think he will observe after 2 hours? Why? [2]
How are carriers/vectors harmful to us? [1]
Why is the conservation of biodiversity important? [1]
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Explanation:
It is important for preserving the diversity of species. It also helps in sustainable management and utilization of species and ecosystems. Biodiversity conservation is critically important for economic development and for poverty alleviation.
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