(a) Cigarette lighters
(b) Emergency light
(c) Material of car brake
(d) Smoke detectors
Answer:
Which of the following transition elements is synthetic?
(a) Mo
(b) Te
(c) Re
(d) Pm
Answer:
Which alloy can have iron also
(a) Aluminium bronze
(b) Brass
(c) Constantan
(d) Monel metal
Answer:
Which of the following is essential for photosynthesis
(a) Sun light
(b) Carbon dioxide
(c) Chlorophyll
(d) All of these
Answer:
Which one of the following gas comes out during photosynthesis
(a) Hydrogen
(b) Chlorine
(c) Carbon dioxide
(d) Oxygen
Answer:
Instrument meant for measuring the rate of respiration
(a) Autometer
(b) Respirometer
(c) Potometer
(d) Oxygenometer
Answer:
First compound which is fixed during photosynthesis is
(a) Diphosphoglycerin acid
(b) Glucose
(c) Starch
(d) Phosphoglyceric acid
Answer:
After respiration the conversion of energy is mainly in the form of
(a) Glucose
(b) AMP
(c) ATP
(d) ADP
Answer:
Instaneous source of energy is
(a) Amino acids
(b) Proteins
(c) Fats
(d) Glucose
Answer:
Maximum amount of energy (ATP) is librerated on oxidation of
(a) Starch
(b) Vitamin
(c) Fats
(d) protein
Answer: