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Biology

Biology
Which of the following is not a digestive enzyme in the human system?

Gastrin
Ptyalin
Pepsin
Trypsin

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Biology
The bacterium which reduces the fertility of soil is

Nitrosomonas sp
Azotobacter sp
Nitrobacter sp
Bacillus dentificans

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Biology
Golden rice has the highest quantity of

Vitamin A
Vitamin K
Vitamin B
Vitamin C

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Biology
The first heart transplantation was performed by

Dr. W. Harbe
Dr. C. Barnard
Sir F.G. Hafkin
Dr. Louis Pasteur

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Biology
Oxygen in our blood is transported by a protein named

collagen
myoglobin
haemoglobin
keratin

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Biology
Th suitable conditions in which the rate of evaporation occurs more fastly are

Excess amount of water in the soil
High humidity
Low humidity and high temperature
Low speed of wind

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