G.K. Practice Test: Question Set - 09
1. Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
- (A) Order
- (B) Subspecies
- (C) Class
- (D) Genus
2. Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called
- (A) Flavoxanthin
- (B) Melanin
- (C) Carotene
- (D) Xanthophyll
3. Poison glands of snakes are homologous to
- (A) Electric
organs of fishes
- (B) Stings
of rays
- (C) Sebaceous
glands of mammals
- (D) Salivary
glands of vertebrates
4. Photosynthesis is a process
- (A) Reductive
and exergonic
- (B) Reductive
and catabolic
- (C) Reductive,
endergonic and catabolic
- (D) Reductive,
endergonic and anabolic
5. Radioactivity is a phenomenon of the spontaneous emission of
- (A) Protons
(alpha particles)
- (B) Electrons
(beta particles)
- (C) Gamma rays
(short wave electromagnetic waves)
- (D) All of the
above
6. Outer covering of virus made up of protein is
- (A) Capsid
- (B) Coat
- (C) Virion
- (D) Viriod
7. Plants are killed in winter by frost
- (A) Because
of desiccation and mechanical damage to the tissues
- (B) Because
no photosynthesis takes place at such low temperature
- (C) Because
respiration ceases at such low temperature
- (D) Because
there is no transpiration
8. One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
- (A) Having
waited a day, it is too late to take an antibiotic
- (B) You
need an antiseptic, not an antibiotic
- (C) You
need to be vaccinated instead of taking an antibiotic
- (D) You
are infected by a virus
9. Pollen grains in plants are produced in
- (A) Roots
- (B) Leaves
- (C) Flower
- (D) Stem
10. Plants that grow under average temperature and moisture are called
- (A) Halophytes
- (B) Hydrophytes
- (C) Mesophytes
- (D) Xerophytes
Next Tests: