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MEDIUM
ENGLISH
Agriculture
Abnormal cell with random number of chromosomes is__________________?
A
Annapolis
Option A
B
Polyploidy
Option B
C
Heterckaryotic
Option C
D
Haploid
Option D
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MEDIUM
ENGLISH
Agriculture
A cross of unlike organisms is termed as____________________?
A
Hybrid
Option A
B
Heterosis
Option B
C
Backcross
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The physical appearance of an organism is denoted by____________________?
A
Photocopy
Option A
B
Prototype
Option B
C
Phenotype
Option C
D
Apheliotropic
Option D
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MEDIUM
ENGLISH
Agriculture
A cross of hybrid with one of its recessive parent is termed____________________?
A
Test cross
Option A
B
Backcross
Option B
C
Hybridization
Option C
D
Trihybrid
Option D
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MEDIUM
ENGLISH
Agriculture
A normal plant suddenly started reproducing parthengentically. the number of chromosomes of the second generation compared to the parent plant will be____________________?
A
Double
Option A
B
One half
Option B
C
One fourth
Option C
D
Same
Option D
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MEDIUM
ENGLISH
Agriculture
Theory of mutation was given by___________________?
A
Mendel
Option A
B
De Vries
Option B
C
Tschermak
Option C
D
Watson
Option D
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MEDIUM
ENGLISH
Agriculture
The term gene was coined by__________________?
A
Batson
Option A
B
Johnnsen
Option B
C
Punned
Option C
D
Darlington
Option D
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MEDIUM
ENGLISH
Agriculture
Eugenics refers to__________________?
A
Science concerned with improvement of heredity of animals
Option A
B
Science concerned with improvement of heredity of human race
Option B
C
Experimental alterations in the structure of the genes
Option C
D
Genetics of eukaryotes
Option D
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MEDIUM
ENGLISH
Agriculture
When two genes are situated very close together in a chromosome_____________________?
A
The percentage of crossing over between them is very
Option A
B
Hardly any cross over are detected
Option B
C
No crossing ever can ever takes place between them
Option C
D
Only double cross over can take place between them
Option D
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MEDIUM
ENGLISH
Agriculture
The first attempt to show linkage in plants were done in____________________?
A
Lathers odorous
Option A
B
Another Lamarckian
Option B
C
Possum sativa
Option C
D
Zeal Mays
Option D
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MEDIUM
ENGLISH
Agriculture
A transonic individual has chromosome number____________________?
A
2 n+1
Option A
B
2 n+2
Option B
C
2 n+3
Option C
D
2 n-1
Option D
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MEDIUM
ENGLISH
Agriculture
Selenium unigram is used as__________________?
A
Cardio vascular stimulant
Option A
B
In lowering blood pressure
Option B
C
In breaking down of cholesterol
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
Which feature is not found in all living beings____________________?
A
Energy storage in high high energy phosphate bonds
Option A
B
Protein synthesis in ribosome’s
Option B
C
Some triplet code for amino acids
Option C
D
Types of protein occurring in the body
Option D
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MEDIUM
ENGLISH
Agriculture
The reason why mutations which are harmful do not eliminated from gene pool is that___________________?
A
They are recessive and carried by heterozygous individuals
Option A
B
Genetic drift occurs because of a small population in to offsprings
Option B
C
Making possible reproduction in all types of environments
Option C
D
They have future survival value
Option D
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MEDIUM
ENGLISH
Agriculture
A mutant organism (bacterium) that will not grow on a minimal medium does so on the addition of some grown factor is known as __________________?
A
Autotrophy
Option A
B
Auxotroph
Option B
C
Axenema
Option C
D
Heterotroph
Option D
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MEDIUM
ENGLISH
Agriculture
The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called________________?
A
Gene flow
Option A
B
Genetic drift
Option B
C
Gene frequency
Option C
D
None of the above
Option D
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MEDIUM
ENGLISH
Agriculture
The role of nucleus in regulating the morphology of the plant was discovered in___________________?
A
pea
Option A
B
Acetabularia
Option B
C
Macrospore
Option C
D
Maize
Option D
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MEDIUM
ENGLISH
Agriculture
The giant chromosomes of Drosophila are found in_____________________?
A
Testes
Option A
B
Salivary glands
Option B
C
Ovaries
Option C
D
Muscles
Option D
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MEDIUM
ENGLISH
Agriculture
Organisms that can synthesize all their substances from simple inorganic molecules are termed as____________________?
A
Audacious
Option A
B
Autotrophic
Option B
C
Heterotrophic
Option C
D
Phototrophic
Option D
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MEDIUM
ENGLISH
Agriculture
A rearrangement of a group of genes in a chromosome in such a way that their order in the chromosomes is reversed is known as _____________________?
A
Inversion
Option A
B
Conversion
Option B
C
Recessive gene
Option C
D
Realignment
Option D
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