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Biology > Deck 20 (381 - 400) > Flashcards

Deck 20 (381 - 400) Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q
  1. What the individuals shall be in the F1 generation in monohybrid cross and incomplete dominance:

a. identical phenotypically, but different genotypically
b. identical with one of the parents
c. different from both of the parents
d. phenotypically identical with both of the parents

A

different from both of the parents

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2
Q
  1. Multicellularity arose only once in earths history but this line branched out 4 times. True or false?
A

false

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3
Q
  1. Facultative learning:

a. takes place only at an early age of animals
b. is not limited by age
c. is e.g. impression
d. is adjustment to endogenous biological rhythms

A

is not limited by age

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4
Q
  1. Family Cannabaceae belongs to a subclass:

a. Dilleniidae
b. Rosidae
c. Magnoliidae
d. Caryophyllidae

A

Magnoliidae

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5
Q
  1. Mendels laws are only valid under the presumption that:

a. the genes observed are localised on sex chromosomes
b. the genes observed are in linkage
c. the genes for the traits observed are localised on one chromosome
d. the genes observed are localised on different autosomes

A

the genes observed are localised on different autosomes

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6
Q
  1. Living organisms are classified into 6 different kingdoms. However, these kingdoms are not static and will change in the future. True or false?
A

true

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7
Q
  1. The term of homeostasis was introduced by:

a. J. G. Mendel
b. J. B. Lamarck
c. W. B. Cannon
d. M. Malpighi

A

W. B. Cannon

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8
Q
  1. To stone fruit does NOT belong:

a. Prunus spinosa
b. Prunus domestica
c. Persica vulgaris
d. Malus domestica

A

Malus domestica

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9
Q
  1. Genotypic ratio:

a. expresses the propportion of individual properties or traits among the offspring in cross
b. is always identical with the phenotypic ratio
c. is 1:2:1 in cross of monohybrids and incomplete dominance
d. is 3:1 in cross of monohybrids and complete dominance

A

is 1:2:1 in cross of monohybrids and incomplete dominance

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10
Q
  1. Since extant agnathans lack true bones, zoologists believe that their ancestors had cartilaginous skeletons rather than bony skeletons. True or false?
A

false

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11
Q
  1. The following is/are included within the endocrine glands:

a. spleen
b. Graaf follicle
c. neurohypophysis
d. glandula thyroidea

A

d. glandula thyroidea

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12
Q
  1. Pome is not present in:

a. Malus domestica
b. Pisum sativum
c. Pyrus pyaster
d. Pyrus communis

A

Pisum sativum

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13
Q
  1. In cross of Aa x Aa and complete dominance it holds true that:

a. the parents may produce 3 types of gametes - AA, Aa, aa
b. the parents may produce 1 type of gametes - Aa
c. the parents may produce 2 types of gametes - A, a
d. offspring will be uniform and heterozygous

A

the parents may produce 2 types of gametes - A, a

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14
Q
  1. The most prominent diapsids were ?
A

True (um?)

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15
Q
  1. Which of the following glands is not an original endocrine gland:

a. hypothalamus
b. thyroid gland
c. neurohypophysis
d. adenohypophysis

A

c. neurohypophysis

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16
Q
  1. Fodder plants do not include:

a. Medicago sativa
b. Trifolium pratense
c. Vicia sativa
d. Robinia pseudocacia

A

Robinia pseudocacia

17
Q
  1. In cross of AA x aa and complete dominance it holds true that:

a. in the progeny a recessive homozygote cannot occur
b. the progeny resemble the parent with the recessive trait
c. the progeny will be uniform and dominant homozygous
d. in the progeny an individual with the recessive trait may occur

A

in the progeny a recessive homozygote cannot occur

18
Q
  1. Human fibrinogen:

a. is part of blood plasma
b. transforms into thrombin by the action of thrombokinase
c. is to be found in erythrocytes
d. is formed in the bone marrow

A

a. is part of blood plasma

19
Q
  1. The first vertebrates were bony, jawless fish. True or false ?
A

true

20
Q
  1. Hormones arising in the hypothalamus of man directly regulate:

a. activity of ovaries
b. activity of the uterus
c. production of milk
d. transformation of proteins

A

activity of the uterus

21
Q
A

Biology (25 decks)

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