Question

Billabong High International School, Noida
HHS/Science/1/19-20
Topic: The Microbial World
I mark questions:
1. Fill in the blanks:
a bacterimicrobe is present in our intestine as a friendly microbe.
can kill disease causing microbes without causing injury to body.
are on the borderline of living and non-living.
d. and are two diseases caused by bacteria.
e. In legumes, the root nodules contain the bacterium
1 Yeast is added to dough to produce east which makes the dough rise.
g. The heating of milk upto to 70°C and then suddenly cooling is called
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Answer 1

Answer:

a.Lactobacillus

Lactobacillus is the organism which is present in our intestine as a friendly microbe.

b._____can kill disease causing microbes without causing injury to body.

c.Viruses are considered on the borderline of living and non living....

because only when they are inside a living cell do they fulfil the criteria of being regarded asliving entities. Outside, they act as non living entities

d.urinary tract infections and tuberculosis.

e.(question is not clear)

f.(question isn't clear)

g.pasteurization

HOPE THIS IS HELPFUL