131.
The first interspecific cross between carnation and sweet William species of Dianthus was made up of

132.
A virus free clone from a virus infected plant can be obtained by

133.
Term heterosis was introduced by

134.
If a dihybrid is test crossed, the phenotype ratio of progeny will be

135.
The chemical mutagens usually induce

136.
Match the following columns:
Column I Column II
a. Polytene chromosome 1. With numerous chromosome
b. Lampbrush chromosome 2. Oocytes
c. Aerocentric chromosome 3. Centromere near one end
d. Sat chromosome 4. With a satelite

137.
Aflatoxins are produced by

138.
In maize, cross pollination occurs due to

139.
The legumes have flower

140.
Which one is the shortest phase during cell cycle?