Download Cert Bio II - Asexual reproduction Answer

Cert Bio II - Asexual reproduction
90
22.
Which of the following statements about binary fission in amoeba is INCORRECT?
A. Two daughter amoebae are formed in each fission.
B. The daughter amoebae are identical in their genetic contents.
C. The chromosome number of the daughter amoebae is half of that of the parent.
D. The newly-formed daughter amoebae are smaller in size than their parent.
Directions : Questions 43 and 44 refer to the diagram below which shows the underground structures of a flowering plant :
43.
The daughter plant developed from structure A
(1)
possesses the same genotype as the parent
plant.
(2)
has the same chromosome number as the parent
plant.
(3)
can carry out sexual reproduction.
A. (1) only
B. (3) only
C. (1) and (2) only
D. (1), (2) and (3)
44. Which of the following provides the major source of food for the development of the daughter plant from structure A?
A. P
B. Q
C. R
D. S
52.
Which of the following is/are true for sexual reproduction?
(1)
It always involves two different parents.
(2)
The resulting offspring are genetically different.
(3)
The resulting offspring are always healthy.
A. (1) only
B. (2) only
C. (1) and (2) only
D. (2) and (3) only
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Directions: Question 20 and 21 refer to the following produce:
(1) peanuts
(2) potatoes
(3) rice grains
Cert Bio II - Asexual Reproduction -1
(4) soya beans
20. Which of the following statements is true?
A. They have low starch content.
B. They can be used for propagation.
C. They contain a large amount of fat.
D. They are products of non-flowering plants.
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42.
The diagram below shows a sprouting potato tuber.
Which of the following statement is incorrect?
A. The genotype of X and Y are the same
B. X and Y will develop into independent plants.
C. X and Y are developed from the buds of the potato tuber.
D. Food produced by X and Y will be stored in region Z.
43.
Which of the following produce offspring with identical genotypes?
(1)
budding in yeast
(2)
seed formation in pine
(3)
spore formation in bread mould
A.
(1) and (2) only
B.
(1) and (3) only
C.
(2) and (3) only
D.
(1), (2) and (3)
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42.
The diagram below shows a potato plant:
Which of the following statement is correct?
A.
Cells of structure A, B and C have the same
genotype.
B.
Structure A, B and C are produced by the same
parent plant.
C.
Structure B provides nutrients for the growth of
structure A and C.
D.
Structure A and C are modified roots for food
storage.
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42.
Which of the following is an example of reproduction involving fertilization?
A. Binary fission in amoeba
B. Production of spores in bread mould
C. Formation of stem tubers in potato
D. Formation of seeds in maize
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45.
Which of the following is an advantage of vegetative propagation in flowering plants?
A.
The daughter plants will develop more rapidly.
B.
The daughter plants will show more genetic variation.
C.
The daughter plants will not get diseases from the parent.
D.
The daughter plants will be better adapted to a changing environment.
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Directions: Questions 42 and 43 refer to the diagram below which shows part of a lotus plant:
42. Both structures 1 and 3 can give rise to new plants. Which of the following comparisons between the two ways of
reproduction is incorrect?
Reproduction by
Reproduction by
structure 1
structure 3
Results in genetic variations
No genetic variation
Relies on external agent
Does not need external agent
Both can prevent overcrowding of offspring
Both can enable the plant to survive adverse conditions
A.
B.
C.
D.
43.
Which structures store food for the development of new plants?
A.
1 and 4
B.
1 and 5
C.
2 and 4
D.
2 and 5
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40.
Which of the following organisms can produce offspring from a single parent?
(1) bread mould
(2) African violet
(3) yeast
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
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51.
Potato plants can be reproduced by seeds or by stem tubers. Stem tubers are organs for vegetative propagation. Which
of the following comparisons between these two methods of reproduction is correct?
A.
B.
C.
D.
Genetic variation on offspring
Chromosome number of the cells
of offspring
Chance of dispersal of offspring
Chance of passing infectious
diseases to offspring
Seed
less
haploid
Stem tuber
more
diploid
smaller
smaller
greater
greater
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20. Which of the following comparisons between the reproductive methods of yeast and Bauhinia is incorrect?
Budding of yeast
Seed formation in Bauhinia
A.
involves only one sex
involves two sexes
B.
meiosis not involved
meiosis involved
C.
involves one type of gametes
involves two types of gametes
D.
offspring genetically identical
offspring genetically different
to parents
from parents
24. Just before undergoing binary fission, an amoeba will
(1)
store a lot of water.
(2)
duplicate the chromosomes.
(3)
double the amount of cytoplasm.
A.
(2) only
B.
(1) and (3) only
C.
(2) and (3) only
D.
(1), (2) and (3)
Cert Bio II - Asexual reproduction Answer
90
22.C
43.D
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20. B
93
42.D
94
42.A
95
42.D
45.A
97
42.C
43.A
98
40.D
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51.D
02
20.C
44.D
52.B
43.B
24. A
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