Question

Write true or false

a] A substance that is made by the body in response to microbial infection are called antibodies.[ ]

b] The process of conversion atmospheric nitrogen to nitrates is called denitrification.[ ]

c] Sodium and potassium are the metals examples for soft metals [ ]

d] Metals like zinc and magnesium react with dilute acids to liberate oxygen [ ]

e] Coating zinc objects with iron is called galvanizing.[ ]

f] Destructive distillation is the method used in refining of petroleum [ ].

g] Humans are oviparous.[ ]

h] In humans, one sperm cell is produced by the male in a month.[ ]

I] Binary fission through which amoeba reproduces is a kind of asexual reproduction. [ ]

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Answer 1

Answer:

a.True

b. True

c. false

e. true

f. false

g. false

h. true