TNPSC Group 1, 2, 2a, 4, VAO Zoology Study Material in English Tamil - 2

Question: 6

Total volume of blood in normal human body is

(A) 5 litres

(B) 6 litres

(C) 4.5 litres

(D) 7 litres

Question: 7

The total organic matter present in an ecosystem is referred to as

(A) Biome

(B) Biomass

(C) Biocoenosis

(D) Biosphere

Question: 8

The type of circulatory system present in earthworm is

(A) Partly closed type

(B) Partly open type

(C) Closed type

(D) Open type

Question: 9

Birds excrete nitrogeneous waste in the form of

(A) Uric acid

(B) Ammonia

(C) Urea

(D) Fatty acids

Question: 10

The most predominant nitrogenous excretory product among bird is

(A) Ammonia

(B) Urea

(C) Uric acid

(D) All the above