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Biology > Deck 10 (181 - 200) > Flashcards

Deck 10 (181 - 200) Flashcards

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1
Q
  1. Somatic cells of animals:

a. are haploid
b. are genetically identical
c. arise by reductional and equational division
d. are genetically different

A

b. are genetically identical

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2
Q
  1. Which of the following traits evolved most recently:

a. multicellularity
b. heredity
c. photosynthesis
d. eukaryotic cells

A

a. multicellularity

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3
Q
  1. Pancreatic juice contains:

a. pepsin, lipase, chymosin
b. active trypsinogen, which is inactivated by enterokinase
c. inactive trypsinogen, which is activated by enterokinase
d. inactive pepsinogen, which is activated by enterokinase

A

inactive trypsinogen, which is activated by enterokinase

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4
Q
  1. The cell contains 3% of ?
A

nucleic acids

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5
Q
  1. Zygote:

a. is hapless
b. is a fertilised egg
c. arises by the reduction division
d. is a mature gamete

A

b. is a fertilised egg

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6
Q
  1. Approximately what % of todays atmosphere represent oxygen ?
A

21%

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7
Q
  1. Bile in man is formed in?
A

the liver and stored in the gall bladder

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8
Q
  1. Proportional representation of proteins in the cell is…

a. 8 %
b. 9 %
c. 12 %
d. 7 %

A

12 %

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9
Q
  1. Karyokinesis is ?
A

division of the nucleus into two daughter ones

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10
Q
  1. What gas in todays atmosphere shields us from ultraviolet radiation ?
A

ozone

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11
Q
  1. The most frequent functional disturbances of the digestive system include…

a. hypertension
b. appendicitis
c. atherosclerosis
d. anaemia

A

b. appendicitis

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12
Q
  1. Irreplaceable role in plant cells is represented by ions of ?
A

magnesium

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13
Q
  1. Cell division …

a. occurs in the interphase of the cell cycle
b. means reproduction of the cells
c. is termed as karyokinesis
d. may be direct - mitosis

A

b. means reproduction of the cells

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14
Q
  1. Miller and Urey’s experiment proved that …
A

complex organic molecules can form spontaneously under conditions that probably existed on the early earth

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15
Q
  1. Large intestine of adult man is long about …
A

1.5 m

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16
Q
  1. Glycogen belongs to …

a. disaccharides
b. pentoses
c. trisaccharides
d. polysaccharides

A

d. polysaccharides

17
Q
  1. The cells produced by meiosis …

a. are always genetically identical among themselves
b. are gametes
c. have two chromosome sets
d. are genetically identical with the mother cell

A

b. are gametes

18
Q
  1. Bacteria may be propelled by ?
A

rotating thread-like flagellum

19
Q
  1. The following are the energy-richest components of human food per unit of weight …

a. saccharides
b. fats
c. proteins
d. essential amino acids

A

b. fats

20
Q
  1. Fructose belongs to ?
A

monosaccharides

Biology (25 decks)

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