Conifers are abundant in:
A.Tropical zone
B.Alpine zone
C.Temperate zone
D.Subtropical zone
Category: Agriculture Genetics Plant Breeding and Biotechnology Mcqs
Radish’ is an example of:
A.Fusiform root
B.Napiform root
C.Conical root
D.Tuberous root
A mixture of two immiscible liquids shaken up is:
A.Saturated solution
B.A suspension
C.An emulsion
D.Colloid
Cuscuta is:
A.Total stem parasite
B.Partial stem parasite
C.Partial root parasite
D.Total root parasite
Cross between cytoplasmic male sterile x cytoplasmic male fertile:
A.Produce sterile F1
B.Produce fertile F1
C.Produce fertile, sterile in 1:1 ratio
D.None of the above
Chromosome which pair at meiotic prophase and are similar size, shape, structure and function are known as:
A.Homologous
B.Isocentric
C.Isochromosome
D.Acentric
Albinism in plants is associated with:
A.Epistatis
B.Recessive lethal
C.Dominant lethal
D.Chromosome duplication
A large unit of natural vegetation in an area under identical condition (climatic) is called:
A.Plant formation
B.Association
C.Community
D.Climax
A male gametophyte in angiosperms contains:
A.One gametes only two male gametes only
B.Two male gamete only
C.Two male gametes and one tube nucleusnucleus
D.One male gamete and one tube nucleus
A plant with genotype Gg Ww will produce gametes of which of the following types?
A.GW, gw, gW,Gw
B.GG,WW,gg,ww
C.Gw,GG,GW
D.All of them
