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.Management Sciences
Category: Plant Breeding and Genetics
In a population gene frequencies remain constant when there is_________________?
0
A. Iubreeding
B. Out breeding
C. Random mating
D. Selective mating
Plastids bring about___________________?
A. Secretion
B. Respiration
C. Excretion
D. Conversion of light energy into chemical energy
Plasmids are discovered by___________________?
A. Watson & Crick
B. Iscki & Sakai
C. Beadle & Tatum
D. None of the above
Blackeselee reported the first case of monoploid in__________________?
A. Datura
B. Rye
C. Brassica
D. Oat
DNA is genetic material was first discovered by____________________?
A. Attmann (1889)
B. Crick (1953)
C. Sressler (1968)
D. Avery et al (1944)
A bisexual flower which never opens in its lifespan is called___________________?
A. Cleistogamous
B. Dichogamous
C. Heterogamous
D. Homogamous
One of the following is not an advantage of genetic engineering___________________?
A. Microbes act as biological factories
B. Improvement of crop can take place
C. The gene pool is maintained
D. Genetic error can be rectified
Reciprocal recurrent selection is effective with___________________?
A. Incomplete
B. Complete dominance
C. Over dominance
D. All the above
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