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MEDIUM
ENGLISH
Agriculture
Apheliotropic gene is one which___________________?
A
Affects more than five characters
Option A
B
Affects more than ten characters
Option B
C
Affects only one character
Option C
D
Affects more than one character
Option D
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MEDIUM
ENGLISH
Agriculture
A genetic element which can exist in more than one of the two alternative forms is known as__________________?
A
Episome
Option A
B
Disome
Option B
C
Mecrosome
Option C
D
Peroxisome
Option D
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MEDIUM
ENGLISH
Agriculture
The smallest unit of recombination in the chromosome is called___________________?
A
Gene
Option A
B
Chromosome
Option B
C
Citron
Option C
D
Recon
Option D
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MEDIUM
ENGLISH
Agriculture
The functional unit of mutation is___________________?
A
Gaston
Option A
B
Recon
Option B
C
Gene
Option C
D
Mouton
Option D
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MEDIUM
ENGLISH
Agriculture
The genetic constitution of an orgarusm is denoted by____________________?
A
Phenotype
Option A
B
Genotype
Option B
C
Allele
Option C
D
Genome
Option D
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MEDIUM
ENGLISH
Agriculture
A cross of hybrid with one of its parents is termed as____________________?
A
Hybridization
Option A
B
Backcross
Option B
C
Test cross
Option C
D
Biohybrid
Option D
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MEDIUM
ENGLISH
Agriculture
Reproduction from an unfertilized egg or reproduction without fertilization may be defined as___________________?
A
Calistoga
Option A
B
Chimera
Option B
C
Clone
Option C
D
Inbreeding
Option D
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MEDIUM
ENGLISH
Agriculture
In the F2 generation, genotypic and phenotypic ratios are identical in cases of___________________?
A
Mendel lan monohybrids
Option A
B
Mendelian dihybrids
Option B
C
Incomplete dominance
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
As a result of linkage and crossingover _____________________?
A
Chromatids become chromosomes
Option A
B
Nuclear division come to close
Option B
C
Chromosomes become half in number
Option C
D
Exchange of chromosomal material
Option D
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MEDIUM
ENGLISH
Agriculture
A dihybrid ratio is____________________?
A
9:3:3:1
Option A
B
1:1:1:1
Option B
C
3:1
Option C
D
27:9:9:3:3:3:1
Option D
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MEDIUM
ENGLISH
Agriculture
The chromosome number of human race is__________________?
A
48
Option A
B
41
Option B
C
44
Option C
D
46
Option D
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MEDIUM
ENGLISH
Agriculture
Mendel studied contrasting characters for his breeding cxperiments with peas which of the following character he did not study_______________?
A
Pod color
Option A
B
Pod shape
Option B
C
Plant height
Option C
D
Leaf shape
Option D
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MEDIUM
ENGLISH
Agriculture
The new crop critical has been evolved by intervener hybridization between________________________?
A
Wheat & rice
Option A
B
Rye & Wheat
Option B
C
Wheat & Anglos
Option C
D
Rice & maize
Option D
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MEDIUM
ENGLISH
Agriculture
The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?
A
2 tall: 2 dwarf
Option A
B
All homozygous dwarf
Option B
C
All the heterozygous tall
Option C
D
One homozygous tall, one homozygous dwarf, two heterozygous tall
Option D
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MEDIUM
ENGLISH
Agriculture
In crop improvement programmed haploids are of great importance because they__________________?
A
Are useful in studies on meiosis
Option A
B
Give homozygous lines following diplodization
Option B
C
Grow better under adverse conditions
Option C
D
Require only about half the amount of chemical fertilizers compared to diploids
Option D
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MEDIUM
ENGLISH
Agriculture
Among the following the test cross is_________________?
A
TTxTT
Option A
B
TTxTt
Option B
C
TtxTt
Option C
D
Ttxtt
Option D
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MEDIUM
ENGLISH
Agriculture
Linkage of hereditary units was discounted by__________________?
A
W. Batson and B.C Pun net
Option A
B
T.B. Morgan and G. Mendel
Option B
C
W.S. Sutton and K. R. Porter
Option C
D
C.B. Bridges and G.H. Shull
Option D
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MEDIUM
ENGLISH
Agriculture
The first artificial hybridization in fruit crops was done by____________________?
A
Knight
Option A
B
Morgan
Option B
C
Fischer
Option C
D
Muller
Option D
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MEDIUM
ENGLISH
Agriculture
Law of parallele variation was given by___________________?
A
Wilkins
Option A
B
Jacob
Option B
C
Vavilov
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
International institute for Tropical Agriculture is located at______________________?
A
Mexico
Option A
B
Nigeria
Option B
C
Syria
Option C
D
Columbia
Option D
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