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Biology

Biology
Which of the following does not have blood but undergoes respiration ?

Hydra
Kangaroo
Cockroach
Snail

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Biology
Pace maker is related with

Lung
Brain
Kidney
Heart

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Biology
Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called

carotene
flavoxanthin
melanin
Xanthophyll

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Biology
Green mould is common name for

Saccharomyces
Mucor
Neurospora
Penicillium

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Biology
There are used in the retting of flax and hemp.

Fungi
Viruses
Mosses
Bacteria

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Biology
In coelentrates mesderm give rise to

Digestive System
Neverous System
Circulatory System
Lining of the gut

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MORE MCQ ON Biology

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