Deck 23 (441 - 460)

Question 1

441. Breathing by gills is typical for:

a. whales
b. ants
c. tadpoles
d. insects

Answer 1

c. tadpoles

Question 2

442. The genotypic ratio in cross of two heterozygotes (Aa x Aa) is:

a. 1:2:1
b. 1:3
c. 3:1
d. 1:1

Answer 2

a. 1:2:1

Question 3

443. Cretinism in man:

a. arises in the lack of parathormone
b. is characterised by tall stature and decreased intellect
c. arises as consequence of the lack of vitamins
d. arises in consequence of insufficient activity of the thyroid gland in newborns and small children

Answer 3

d. arises in consequence of insufficient activity of the thyroid gland in newborns and small children

Question 4

444. The discipline dealing with protozoa is called ?

Answer 4

protozoology

Question 5

445. The transport mechanism of oxygen and carbon dioxide in lungs is …

Answer 5

diffusion

Question 6

446. What is the phenotypic ratio in the progeny of the heterozygote crossed with the recessive homozygote on the assumption of complete dominance:

a. 3:1
b. 3:3:1:1
c. 3:1, in case of the heterozygote with complete gene linkage
d. 1:1:1:1, in case of back cross in dihybridism with independent assortment of genes

Answer 6

d. 1:1:1:1, in case of back cross in dihybridism with independent assortment of genes

Question 7

447. Management of calcium in the human body is regulated by the hormone:

a. of the front lobe of the hypophysis
b. parathormone
c. antidiuretic hormone
d. testosterone

Answer 7

parathormone

Question 8

448. The discipline dealing with fish is called:

a. protozoology
b. entomology
c. ichthyology
d. mammalogy

Answer 8

ichthyology

Question 9

449. The main function of erythrocytes is:

a. oxygen transport to the tissues
b. protection against infection
c. blood coagulation
d. supporting o the immune system

Answer 9

a. oxygen transport to the tissues

Question 10

450. What is the phenotypic ratio in the F2 generation in dihybridism and complete dominance, if the genes observed are not in the linkage:

a. 9:3:3:1
b. 1:1:1:1
c. 3:3:1:1
d. 15:1

Answer 10

a. 9:3:3:1

Question 11

451. Hormones of the adrenal medulla in man:

a. decrease the level of glucose in blood
b. increase the level of blood sugar
c. stimulate retention of natrium in the organism
d. are aldosterone and antidiuretic hormone

Answer 11

b. increase the level of blood sugar

Question 12

452. Arachnology is the discipline dealing with:

a. birds
b. protozoa
c. reptiles
d. chelicerata

Answer 12

d. chelicerata

Question 13

453. The plasmatic protein necessary for blood coagulation is the:

a. heparin
b. nucleoid
c. fibrinogen
d. albumin

Answer 13

c. fibrinogen

Question 14

454. From what cross, on the assumption of complete dominance, we get the phenotypic ratio of 3:3:1:1 …

a. AABb x aaBB
b. AaBb x aaBb
c. aaBb x Aabb
d. AABB x Aabb

Answer 14

b. AaBb x aaBb

Question 15

455. Mineral corticoids in the human organism:

a. mobilise energy resources when under stress
b. interfere with the transformation of nutrients, mainly proteins
c. influence the natrium and potassium management
d. markedly change the diameter of blood vessels and increase the heart activity

Answer 15

c. influence the natrium and potassium management

Question 16

456. Ornithology is the discipline dealing with ..

Answer 16

birds

Question 17

457. The blood vessel carrying blood from the right heart ventricle is called:

a. aorta
b. pulmonary artery
c. pulmonary vein
d. vena cava superior

Answer 17

b. pulmonary artery

Question 18

458. What types of gametes are formed by dihybrid (CcDd):

a. CD, CD, Cc, Cd
b. CD, Cd, cd, cD
c. Cc, Dd, cd, CD
d. CD, cd, CD, cd

Answer 18

b. CD, Cd, cd, cD

Question 19

459. Glucocorticoids:

a. are produced by Langerhan’s islands
b. are hormones of the adrenal medulla
c. are hormones of the adrenal cortex
d. stimulate the production of proteins

Answer 19

c. are hormones of the adrenal cortex

Question 20

460. The discipline dealing with reptiles is called:

a. mammalogy
b. herpetology
c. arachnology
d. ichthyology

Answer 20

herpetology