The ventral tube on the first abdominal segment of a springtail:
A. Costa
B. Collophore
C. Embolium
D. Ectoparasitoid
Agriculture MCQs
In line x tester cross mating is done between:
A. Males & females
B. Among males
C. Among females
D. All of these
Line x tester analysis provides information about:________?
A. GCA & SCA variances
B. GCA & SCA effects
C. D & H components
D. All of these
Auto polyploidy have been successfully exploited in _________?
A. Sugar beat
B. Sugarcane
C. Maize
D. Sunflower
Drying capacity of oil depends upon _________?
A. Iodine %
B. Saponification
C. Carbon chain length
D. %age of erusic acid
In spermatogenesis, each spermatogonium increases in size to form a __________?
A. Spermatozoa
B. Spermatid
C. Primary oocyte
D. Spermatocyte
Who said that “sports” are of no significance in evolution?
A. Joseph Kolreuter
B. Vavilov
C. Dobzhansky
D. Darwin
A mature ovule is known as _________?
A. Endosperm
B. Seed
C. Ovary
D. Fruit
Hymenoptera are almost_______ long.
A. 0.02 mm
B. 0.2 mm
C. 0.03 mm
D. 0.3 mm
Natural water as pH equal to________________?
A. 1
B. 4
C. 9
D. 7
