Deck 11 (201 - 220)

Question 1

201. Reduction division:

a. is a direct cell division
b. is in case of animals the only type of the production of gametes
c. is a specalised type of division, the result of which is the production of diploid gametes
d. occurs in two consecutive divisions with an identical course

Answer 1

is in case of animals the only type of the production of gametes

Question 2

202. The earliest warm blooded animals were:

a. microsaurus
b. therapsids
c. thecodonts
d. pelycosaurs

Answer 2

therapsids

Question 3

203. The most common source of energy from food for the organism of man are:

a. saccharides
b. proteins
c. amino acids
d. micronutrients

Answer 3

a. saccharides

Question 4

204. Blood sugar belongs to:

a. fructose
b. glucose
c. maltose
d. lactose

Answer 4

b. glucose

Question 5

205. Equational division:

a. is the first meiotic division
b. is the second meiotic division
c. reduces the number of chromosomes
d. has a prophase I, metaphase I, anaphase I, telophase I

Answer 5

is the second meiotic division

Question 6

206. The fetal placenta and umbilical cord are formed from the ?

Answer 6

chorion and allantoin (allantois?)

Question 7

207. It holds true of the nutrition of man that proteins:

a. are a source of essential amino acids
b. are the energy richest component of food
c. are a source of protein after initial dogestion
d. are digested in the digestive tract into individual atoms

Answer 7

are a source of essential amino acids

Question 8

208. Beet sugar belongs to …

a. monosaccharides
b. polysaccharides
c. it is sucrose
d. trisaccharides

Answer 8

c. it is sucrose

Question 9

209. Chromosomes:

a. are visible in the interphase
b. may also be circular in the nucleus of eukaryotic cells
c. have a centromere in the place of secondary constriction
d. are visible only during the cell division

Answer 9

are visible only during the cell division

Question 10

210. Which of the above mentioned amphibians have exclusively internal fertilisation:

a. frogs
b. toads
c. caecilians
d. newts

Answer 10

c. caecilians

Question 11

211. Lipids from the food in man:

a. digested mainly in the stomach
b. the most abundant source of energy
c. a weak source of energy
d. the best digestible nutrient

Answer 11

b. the most abundant source of energy

Question 12

212. The cell wall of plants contains:

a. chitin
b. starch
c. cellulose
d. glucose

Answer 12

c. cellulose

Question 13

213. Sequence of cell cycle phases is as follows:

a. karyokinesis and cytokinesis
b. prophase, metaphase, anaphase, telophase
c. reductional and equational divisions
d. G1, S, G2, M

Answer 13

G1, S, G2, M

Question 14

214. Adult tunicates have a sack composed mainly of ?

Answer 14

cellulose

Question 15

215. Lipids are:

a. emulgated by lipase into minor drops
b. digested by amylase to glycerol and fatty acids
c. absorbed in the small intestine as glycerol and fatty acids
d. absorbed in the large intestine as glycerol and fatty acids

Answer 15

absorbed in the small intestine as glycerol and fatty acids

Question 16

216. The amount of energy released by burning 1 g of fat is ?

Answer 16

38 kJ

Question 17

217. Each eukaryotic cell contains:

a. cytoplasm, nucleus and cell wall
b. mesosome, mitochondria, and cell membrane
c. cytoplasm, nucleus, cell membrane
d. nucleoid, ribosomes, cell wall

Answer 17

cytoplasm, nucleus, cell membrane

Question 18

218. In shark and bony fishes the propulsion fin is the:

a. pectoral
b. dorsal
c. pelvic
d. caudal

Answer 18

d. caudal

Question 19

219. The trace elements include:

a. cadmium
b. selenium
c. calcium
d. chlorine

Answer 19

b. selenium

Question 20

220. Structure of the biomembranes is provided by:

a. simple fats
b. triacylglycerols
c. glycerol
d. phosoholipids

Answer 20

phospholipids