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216. Biowar employs
A. Mustard oil
B. Brazzein
C. Maryosa
D. Pathogens
Explanation:
217. Amount of usable energy available for work at uniform temperature and pressure is
A. Enthalpy
B. Free energy
C. Activation energy
D. Spontaneous energy
Explanation:
218. An example of negative feed back loop in humans is
A. Salivation of mouth at the sight of delicious food
B. Constriction of skin blood vessels and contraction of skeletal muscles in cold
C. Secretion of tears on dust particles falling in eyes
D. Secretion of sweat glands and constriction of skin blood vessels when it is too hot
Explanation:
219. Which one is correctly matched?
A. Tears – Excretion of salts
B. Sweat - Termoregulation
C. Salilva – Testing food
D. Statolith – Sexual attraction
Explanation:
220. Select correct answers are marked the code. Cells regulate their activity through 1. Flow of energy 2. Flow of materials 3. Flow of information 4. Flow of smoke
A. 1, 2, 3 correct
B. 1 and 2 correct
C. 2 and 4 correct
D. 1 and 3 correct
Explanation:
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