EveryDay Science MCQS

481. Vacuum tubes have been replaced by:
A. Conductors
B. Diodes
C. Transistors
D. None of these

482. Dacron is:
A. Polyethylene
B. Epoxy
C. Polyamide
D. None of these

483. It is a secondary plant nutrient:
A. Nitrogen
B. Phosphorus
C. Sulphur
D. None of these

484. An area of microbiology that is concerned with the occurrence of disease in the human population is:
A. Immunology
B. Parasitology
C. Epidemiology
D. None of these

485. The number of electrons of a neutral atom is automatically known if one knows the:
A. Atomic number
B. Atomic weight
C. Number of orbitals
D. None of these

486. Which of the following is not an enzyme?
A. Chymotrypsin
B. Secretin
C. Pepsin
D. None of these

487. It is impossible for a type of O+ baby to have a type of __ mother:
A. AB-
B. O+
C. O-
D. None of these

488. Serum if blood plasma minus its:
A. Calcium ions
B. Clotting proteins
C. Globulins
D. None of these

489. All of these are innervated by the autonomic nervous system, except for:
A. Cardiac Muscles
B. Skeletal Muscles
C. Smooth Muscles
D. None of these

490. The damage to the _ nerve could result in the defect of the eye movement:
A. Optic
B. Trigeminal
C. Aducens
D. None of these (Cranial nerve)