On the average, what percentage of human body has the element of oxyge – McqOptions

MCQOPTIONS

1.	On the average, what percentage of human body has the element of oxygen ?
A.	65
B.	25
C.	10
D.	5
Answer» B. 25

Discussion

No Comment Found

Related MCQs

Deficiency of Vitamin B6 in man causes
Match the following :IIIA. Anabaena1. BacteriaB. Mucor 2. GymnospermC. Pseudomonas3. FungiD. Ephedra4. Blue green algae
Match the following :IIIA. Chlorophyll1. Plant DiseaseB. Nostoc 2. PhotosyntheticC. Transpiration3. DiazotrophD. Rust of wheat4. Loss of water from plant surface
Match List I with List II and choose the correct response :List IList IIa. Vitamin Bl1. Pyridoxineb. Vitamin B2 2. Cyanocobalaminc. Vitamin B63.Thiamined. Vitamin Bl24. Riboflavin
Match correctly the insect vectors in List I with the diseases transmitted by them given in List II:List IList IIa. Anopheles (female)1. Kala-azar b. Culex 2. Sleeping sicknessc. Sand fly3.Filariasisd. Tse-tse flyList II4. Malaria
The metal ion present in vitamin B12 is :
Name the vitamin not found in any animal food ?
When the Left Ventricle in the human heart contracts, the blood moves to the
Which of the following agricultural practices have been primarily responsible for pollution of our water resources ?A. Use of live-stock manureB. Use of chemical fertilisersC. Excessive use of chemical pesticidesD. Deforestation
Match correctly the infectious agents given in List I with the diseases caused by them given in List II :List IList IIA. Bacterium1.Kala-azar B. Fungus 2. TuberculosisC. Protozoan3. InfluenzaD. Virus4. Ringworm