CDS Exam I 2016 General Knowledge Quiz set - 2
1. White blood cells (WBC) are called:
a) lymphocytes
b) leucocytes
c) Plasma
d) Spermatocytes
Answer: b – leucocytes
2. The French scientist who is considered the father of paleontology, is
a) George Cuvier
b) Marquis de Condorcet
c) Jacque Tonnies
d) Auguste Compte
Answer: a -- George Cuvier
3. The percentage of carbon dioxide in the atmosphere is approximately:
a) 0 .03%
b) 1%
c) 5%
d) 7%
Answer: a -- 0 .03%
4. Chromosomes responsible for characteristics other than sex are known as:
a) ribosomes
b) lysosomes
c) autosomes
d) spermatocytes
Answer: c – autosomes
5. Which one of these is NOT a cell organelle?
a) lysosome
b) mitochondrion
c) endoplasmic reticulum
d) cytoplasm
Answer: d – cytoplasm
6. When a color blind man marries a woman pure for normal color vision, which one of the following situations may result?
a) only the sons will be colorblind
b) all the grandchildren will be color blind
c) all the children will be color blind
d) half the grandsons will be color blind
Answer: d -- half the grandsons will be color blind
7. In the first stage of carbohydrate metabolism, glucose breaks down to:
a) citric acid
b) lactic acid
c) nitric acid
d) pyruvic acid
Answer: d -- pyruvic acid
8. The name of the process by which an amino acid loses its amino group is:
a) hydration
b) oxidoamination
c) deamination
d) dehydration
Answer: c – deamination
9. In a plasma membrane, a general barrier to the movement of molecules is provided by:
a) proteins
b) lipids
c) carbohydrates
d) all of the above
Answer: b – lipids
10. Which of the following is not found in blood?
a) fibrinogen
b) urea
c) glucose
d) glycogen
Answer: d – glycogen
11. Testosterone, cholesterol and estrogen are:
a) proteins
b) alcohols
c) nucleic acids
d) steroids
Answer: d – steroids
12. The structure of DNA was first described by
a) Hook
b) Nirenberg
c) Watson and Crick
d) Lederberg
Answer: c. Watson and Crick
13. Which of the following gives instant energy to an athlete?
a) Fats
b) Glucose
c) Butter
d) Vitamin
Answer : b) Glucose
14. Identical twins are born, when
a) Two sperms fertilize two ova
b) Two sperms fertilize one ovum
c) One sperm fertilizes one ovum
d) One sperm fertilizes four ova
Answer: b. two sperms fertilize one ovum
15. Blood groups (ABO) were discovered by
a) Charles Darwin
b) Karl Landsteiner
c) Gregor Mendel
d) Watson and Crick
Answer: b. Karl Landsteiner
16. Children of a normal father and a colour-blind mother will be
a) Colour blind sons and carrier daughters
b) Normal sons and carrier daughters
c) Normal daughters and sons
d) Colour blind sons and daughters
Answer: a. Colour blind sons and carrier daughters
17. The hormone responsible for the emotional states (fear, anger and tension and a rise in blood pressure and heart rate) is
a) Somatotrophin
b) Oxytocin
c) Adrenaline
d) Thyroxine
Answer: c. Adrenaline
18. Gene mutation takes place in
a) Deoxyribonucleic acid
b) Chloroplast
c) Ribosome
d) Mitochondrion
Answer: d. Mitochondrion
19. The part of the human brain which is the centre of memory, learning, thinking and reasoning is:
a) Cerebrum
b) Cerebellum
c) Hypophysis
d) Medulla
Answer: A. Cerebrum
20. The scientist who proposed the “Survival of the fittest” in his theory of evolution was
a) Charles Darwin
b) Lamarck
c) Gregor Mendel
d) Hugo de vries
Answer : a. Charles Darwin
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