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Biology

Biology
Blood leaving lung, is rich in

Haemoglobin
Carbondioxide
Oxygen
Number of RBC

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Biology
Which one of the following phylum is characterised by absence of true coelom

Annelida
Echinodermata
Mollusca
Nematoda

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Biology
The xylem in plants are responsible for:

Transport of oxygen
Transport of water
Transport of amino acids
Transport of food

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Biology
Which of the following hormone is called the emergency harmone ?

Insulin
Oxytocin
Adrenaline
Estrogen

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Biology
Damage to hearing is caused by sounds which exceed

80 decibles
100 decibles
70 decibles
120 decibles

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Biology
Every ecosystem must have

Autotrophs
Heterotrophs
Photosynthesizers
Both A & B

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