The cry1 proteins are insecticidal to:
A) Lepidoptera
B) Coleoptera
C) Diptera
D) Lepidoptera and Diptera
The ability of a molecule to exist in more than one chemical form is called as:
A) Mimicry
B) Isoallelism
C) Isotopes
D) Tautomerism
In maize how many secondary trisomics can be developed?
A) 20
B) 10
C) 40
D) 19
Balbiani rings are found in:
A) Lampbrush chromosome
B) Polytene chromosome
C) Isochromosome
D) B chromosome
Soybean and brinjal originated from:
A) Hindustan center of origin
B) China center of origin
C) Afghanistan center of origin
D) South America center of origin
Botanical Survey of India was established in the year:
A) 1890
B) 1875
C) 1910
D) 2000
Ear to row method of breeding was developed by:
A) Hayes and Garber
B) Hull
C) Hopkins
D) Jones
Heterosis can be fixed by:
A) Asexual reproduction
B) Apomixis
C) Balanced lethal system
D) All of the above
Heterosis is confined only to:
A) F2 generation
B) F3 generation
C) F5 generation
D) None of the above
The gca variance has positive correlation with:
A) Narrow sense heritability
B) Broad sense heritability
C) Both A) and B)
D) None of the above
The average performance of a strain in a series of hybrid combinations is termed as:
A) General combining ability
B) Specific combining ability
C) Heterotic performance
D) Both A) and C)
The sca is estimated from:
A) Half sib families
B) Full sib families
C) Both A) and B)
D) None of the above
Improvement in the mean genotypic value of selected plants over the parental population is known as:
A) Genetic advance
B) Genetic gain
C) Selection differential
D) All of the above
Low heritability with high genetic advance revealed:
A) Character is governed by dominance gene effect
B) Character is governed by additive gene effect
C) Selection may be effective for the characters
D) Both B) and C)
Term protoplast was given by:
A) EC Cocking
B) Klerker
C) Purkinje
D) Hanstein
Father of plant tissue culture is:
A) Gottlieb Haberlandt
B) Laibach
C) Maheshwari
D) None of the above
The formula for estimation of broad sense heritability is:
A) H (bs) = Vg/Vp X 100
B) H (bs) = Vp/Vg X 100
C) H (bs) = VA/VP X 100
D) None of the above
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