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Agriculture Mcqs

An organism or cell having a chromosome number that is higher than the exact nultiple of the basic number is known as__________________?

August 31, 2021March 30, 2019 by admin
An organism or cell having a chromosome number that is higher than the exact nultiple of the basic number is known as__________________?

A. Hypoploid
B. Hyperploid
C. Allopolyploid
D. Autopolyploid

Categories Agriculture Mcqs, Plant Breeding and Genetics

Pedigree selection is used in____________________?

August 31, 2021March 30, 2019 by admin
Pedigree selection is used in____________________?

A. Self pollinated plants
B. Cross pollinated plants
C. Plant difficult to hybridized
D. For crosses at intervener level

Categories Agriculture Mcqs, Plant Breeding and Genetics

Occurrence of cells in diploid organisms containing multiples of the 2n genomes is known as____________________?

August 31, 2021March 30, 2019 by admin
Occurrence of cells in diploid organisms containing multiples of the 2n genomes is known as____________________?

A. Allopolyploid
B. Amphidiploids
C. End polyploidy
D. Aneupoidy

Categories Agriculture Mcqs, Plant Breeding and Genetics

The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________?

August 31, 2021March 30, 2019 by admin
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
B. Genetic drift
C. Gene frequency
D. None of the above

Categories Agriculture Mcqs, Plant Breeding and Genetics

Absence of chlorophyll in a plant is known as__________________?

August 31, 2021March 30, 2019 by admin
Absence of chlorophyll in a plant is known as__________________?

A. Acrodsome
B. Albinism
C. A gouri
D. None of the above

Categories Agriculture Mcqs, Plant Breeding and Genetics

Gynandromorphy in Drosophila because of_________________?

August 31, 2021March 30, 2019 by admin
Gynandromorphy in Drosophila because of_________________?

A. Loss of X-chromosome
B. Kappa particles
C. inheritance
D. Gain of Y-chromosome

Categories Agriculture Mcqs, Plant Breeding and Genetics

Linkage of hereditary units was discounted by__________________?

August 31, 2021March 30, 2019 by admin
Linkage of hereditary units was discounted by__________________?

A. W. Batson and B.C Pun net
B. T.B. Morgan and G. Mendel
C. W.S. Sutton and K. R. Porter
D. C.B. Bridges and G.H. Shull

Categories Agriculture Mcqs, Plant Breeding and Genetics

Among the following the test cross is_________________?

August 31, 2021March 30, 2019 by admin
Among the following the test cross is_________________?

A. TTxTT
B. TTxTt
C. TtxTt
D. Ttxtt

Categories Agriculture Mcqs, Plant Breeding and Genetics

In crop improvement programmed haploids are of great importance because they__________________?

August 31, 2021March 30, 2019 by admin
In crop improvement programmed haploids are of great importance because they__________________?

A. Are useful in studies on meiosis
B. Give homozygous lines following diplodization
C. Grow better under adverse conditions
D. Require only about half the amount of chemical fertilizers compared to diploids

Categories Agriculture Mcqs, Plant Breeding and Genetics

The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?

August 31, 2021March 30, 2019 by admin
The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?

A. 2 tall: 2 dwarf
B. All homozygous dwarf
C. All the heterozygous tall
D. One homozygous tall, one homozygous dwarf, two heterozygous tall

Categories Agriculture Mcqs, Plant Breeding and Genetics
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