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Plant Breeding
Practice Plant Breeding Questions and Answers
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Triacontanol is a natural plant growth regulator obtained from the leaves of:
Which of the following acid is used as a preservative in bread preparation method along with sorbic acid?
Crossing over takes place during
Flowers do not open at all which ensures complete self pollination in
Self pollination leads to a very rapid increase in ……………………….
Almost all gymnosperms are generally ……………………. In nature
…………… method helps in maintaining high genetic variability in a population due to repeated intermating of heterozygous plants/populations. ...
…………………… has been used as a synonym of heterosis. It is generally agreed that ……………….. describes only the superiority of hybrid...
Who gave the term “Heterosis” in 1914?
Stolon, Runners, suckers are examples of
Which of the following statement is false regarding Heterosis?
Which among the following can be classified as often cross pollinated species?
Seeds are formed but the embryos develop without fertilization IN
Which among the following factors is/are not essential for commercial exploitation of heterosis?
When styles and filaments in a flower are of different length, such condition is known as
The absence of functional pollen grains in otherwise hermaphrodite flowers can be defined as
The practice of removal of male and female flowers in early stage of plantation in oil palm is called___
International Rubber Research and Development Board is situated at ____
Plucking stage is attained when tea plant is of 3 to 4 yeas old. Best plucking time or stage for tea harvesting is ……………………………….....
The level of heterosis is generally ……………… in cross pollinated species and ……………… in self-pollinated species...
The hybrid progeny of single cross and an inbred lines is called
Coconut is ___ type of plant cultivated in ____ climate.
When pollen from a flower of one plant falls on the stigmas of other flowers of the same plant, as in Maize is known as
……………………………… studies are used for identification of biochemical markers. ...
SSRs are randomly repeated mono, di, tri, tetra, penta, and hexa nucleotide motifs. SSRs is another term for ……………….....
………………………………. provides maximum opportunity for the breeder to use his skills for selection of desirable plants from segregating gen...
In backcross method of breeding, the hybrid and the progenies in the subsequent generation are repeatedly backc...
In Pure lines election a large number of plants are selected from a ………………… and harvested individually
Which of the following fatty acid is majorly present in Coccus nucifera?
Elaysis guineanssis is the botanical name of which of the following plantation crops?
A technique of genetic engineering in which a DNA probe is hybridized with DNA of a species to determine similarities and differences between two D...
In DNA fingerprinting large quantity of DNA (5-10 mg) is required and markers are ………………………
Indirect selection of a genetic determinant or determinants of a trait of interest by a marker is done in
In the pedigree method, individual plants are selected from …………….. and subsequent generations, and their pro...
Mangla, Sumangla , Sreemangla are the popular varieties of which of the following crops?
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