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Biology

Biology
Which one of following is known as pace maker of endocrine gland

Insulin
Thyroxin
Calcitonin
Adrenalin

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Biology
The unique feature of bryophytes compared to other green plants groups is that

Their sporophytes is attached to gametophyte
They lack roots
They lack vascular tissue
They produce spores

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Biology
Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?

Elephant grass
Mogar grass
Water hycinth
Parthenium

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Biology
Which one is the basic unit of classification

Family
Class
Species
Division

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Biology
Number of bone found in skull

34
8
32
30

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Biology
Plants growing on sand are called as

oxylophytes
chasmophytes
lithophytes
psammophytes

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