Question

iii) State whether True or False.
various essential elements like N, P, K become available to the crops due to
earthworms and fungi. True
iv) Write the work of salaam Foundation Mumbai.
v) Name the disasters from the statements given below.
The huge waves in chennai engulfed many human lives in Decembar 2004.
A) Give scientific reasons (any two)
i) our body irritates if it comes in contact with jelly-fish.
ii) Microbial enzymes are said to be eco-friendly.
(1)​

Answer 1

Answer:

iii. true

iv. a.freedom from tobacco b. help to improve student's life style.

v. tsunami

A. i. jellyfish belong to phylum coelenterata which bears cnidoblast tentacles full of toxin useful for paralyse there prey so our body irritate by touching them.

ii. microbial enzymes are use instead of chemical catalyst in factory because they are reactive on low pH temp pressure .

reaction cause by them is highly specific due to this money on purification is saved

also corrosion proof material is not needed

there for they are said ecofriendly .