(A) 6.9
(B) 7.6
(C) 7.1
(D) None
Answer: (B) 7.6
Category: Current
The number of electrons in a neutral atom is automatically known if one knows the:
(A) Atomic number
(B) Atomic weight
(C) Number of orbitals
(D) None
Answer: (A) Atomic number
It is impossible for a type O+ baby to have a type of __ mother:
(A) AB–
(B) O–
(C) O+
(D) None
Answer: (A) AB–
Which of the following is not an enzyme?
(A) Chymotrypsin
(B) Secretin
(C) Pepsin
(D) None
Answer: (B) Secretin
Serum is blood plasma minus its:
(A) Calcium ions
(B) Clotting proteins
(C) Globulins
(D) None
Answer: (B) Clotting proteins
Damage to the __ nerve could result in a defect of eye movement:
(A) Optic
(B) Trigeminal
(C) Abducens
(D) None
Answer: (C) Abducens
The autonomic nervous system innervates all of these except:
(A) Cardiac muscles
(B) Skeletal muscles
(C) Smooth muscles
(D) None
Answer: (B) Skeletal muscles
A tight-rope walker carries a long pole across his body mainly to:
(A) Prop him up if he falls
(B) Spread out his weight and reduce pressure on the rope
(C) Add extra weight to keep the rope tightly stretched
(D) None of these
Answer: (B) Spread out his weight and reduce pressure on the rope
When water is filled in a bottle and allowed to freeze, the bottle breaks because:
(A) Water expands on freezing
(B) Bottle contracts at freezing point
(C) Temperature outside is less than inside
(D) None of the above
Answer: (A) Water expands on freezing
Which element is extracted from seawater?
(A) Beryllium
(B) Magnesium
(C) Aluminium
(D) None of these
Answer: (B) Magnesium