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Practice Plant Breeding Questions and Answers

Which of the following acid is used as a preservative in bread preparation method along with sorbic acid?
The stages through which a cell passes from one division to the next is called the cell cycle. Cell cycle is divided into two phases called - Interphase ...
Flowers do not open at all which ensures complete self pollination in
Self pollination leads to a very rapid increase in ……………………….
When styles and filaments in a flower are of different length, such condition is known as
Almost all gymnosperms are generally ……………………. In nature
The absence of functional pollen grains in otherwise hermaphrodite flowers can be defined as
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
______________ is a form of asexual reproduction in plants where seeds are produced without the involvement of meiosis or fertilization. In this process, t...
Who gave the term “Heterosis” in 1914?
Which of the following statement is false regarding Heterosis?
The level of heterosis is generally ……………… in cross pollinated species and ……………… in self-pollinated species...
Which among the following factors is/are not essential for commercial exploitation of heterosis?
The hybrid progeny of single cross and an inbred lines is called
………………………………. 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
In the pedigree method, individual plants are selected from …………….. and subsequent generations, and their pro...
…………… method helps in maintaining high genetic variability in a population due to repeated intermating of heterozygous plants/populations....
In Bulk breeding method, individual plant selection is done after population attains ………………....
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
……………………………… 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 ……………….....
Principle hydrogen producing bacteria is
A method of asexual propagation in which a stem is made to produce roots while still attached to the parent plant is called
Which mode of reproduction involves the formation of plants without the fusion of male and female gametes?
What is the genetic term used to describe mating between individuals related by descent or ancestry?
Which term describes the condition when the stamens and pistils of hermaphrodite flowers mature at different times, facilitating cross-pollination?
The term that describes a gene's ability to produce different degrees of the same trait?
What term is used to describe the phenomenon when a gene influences two or more characters that are not related?
During which phase of mitosis do chromosomes align along the equatorial plane of the cell?
Which method is primarily used for genetic improvement in highly heterozygous, asexually propagated species like sugarcane and potato?
Which tomato variety was developed specifically for prolonged storage and transportation?
Which mechanism refers to the presence of unisexual flowers on separate plants, as seen in plants like papaya and spinach?
In a specific flowering plant, the pink flower color is not due to a Mendelian single-gene interaction but rather appears to be due to multiple genes actin...
Law which is demonstrated by a 3:1 phenotypic ratio in the F2 generation of a monohybrid cross?
What is the expected phenotypic ratio in the F2 generation of a dihybrid cross according to Mendel’s law?
Which type of culture is described as growing in a liquid medium that is agitated to facilitate aeration and dissociation of cell clumps?

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