Free Zoology quiz

Free Zoology quiz
zoology quiz questions and answers
Zoology Quiz Test Zoology Questions
1. Which of the following features do all gas exchange have in common?
(a) They are enclosed within ribs
(b) They are maintained at constant temperature
(c) Exchange surfaces are moist
(d) They are exposed to air
Ans. (c)

2. Vocal cords occur in
(a) pharynx
(b) Glottis
(c) Bronchial tube
(d) Larynx
Ans. (d)

3. In man, which of the following structures is analogous to the spiracles of cockroach?
(a) Alveoli
(b) Lungs
(c) Bronchioles
(d) Nostrils
Ans. (d)

4. Which of the following prevents collapsing of trachea?
(a) Diaphragm
(b) Ribs
(c) Cartilaginous discs
(d) Muscles
Ans. (c)

5. A child breathes nearly
(a) 13 times a minute
(b) 26 times a minute
(c) 52 times a minute
(d) 72 times a minute
Ans. (b)


6. When diaphragm of man is completely dome sha€l it shows
(a) End of expiration and beginning of inspiration
(b) Beginning of expiratio4nd end of inspiration
(c) Increased rate of breathing
(d) Decreased rate of breathing
Ans. (a)

7. Volume of air inspired or expired with each normLbreath is called
(a) Tidal volume
(b) Inspiratory capacity
(c) Total lung capacity
(d) Residual volume
Ans. (a)

8. Percentage of 02 present in inhaled air in man is about
(a) 21%
(b) 78%
(c) 1%
(d) 43%
Ans. (a)

9. Gas exchange in the gills of a fish is enhanced by having the blood flow in a direction opposite to the direction of water flow, a process known as
(a) Countercurrent exchange
(b) Ventilation
(c) Facilitated diffusion
(d) Active respiration
Ans. (a)


10. Chloride shift is essential for transport of
(a) CO2 and O2
(b) N2
(c) CO2
(d) O2
Ans. (c)

11. Mendel conducted his hybridisation experiment with
(a) chick pea
(b) pigeon pea
(c) garden pea
(d) wild pea
Ans. (c)

12. MENDEL was lucky in the choice of the material of his experiments, among the following, which contributed, to his success?
(a) He observed distinct inherited traits
(b) He qualitatively analysed his date
(c) He liked pea plants
(d) He considered only one character at one time
Ans. (d)

13. The year 1990 AD is highly significant for genetics due to
(a) principle of linkage
(b) chromosome theory of heredity
(c) rediscovery of mendelism
(d) discovery of genes
Ans. (c)

14. The physical manifestation of an organism’s genes is its
(a) environment
(b) phenotype
(c) genetic code
(d) genotype
Ans. (b)

15. Alleles are
(a) homologous chromosome
(b) chromosome that have crossed over
(c) alternate forms of gene
(d) linked genes
Ans. (c)