Plant Breeding and Genetics One-Liner Questions for Agriculture Jobs ( PPSC, NTS, FPSC, PTS, OTS, Banks Jobs, Research Jobs, Agriculture/cotton Officer jobs etc)
| Question | Answer |
|---|---|
| The ratio of additive variance to phenotypic variance is called? | Heritability (narrow sense) |
| The variety of genes and genotypes found in a particular crop special is? | Genetic diversity |
| Rice flowers have? | Six stamens |
| Plant gums and mucilages are? | Disaccharides |
| Protein content in barely is higher than? | maize |
| The low magnitude of genotype x environmental interaction indicates? | High buffering capacity |
| Genetic selection was proposed by? | Stadler (1944) |
| Genetic male sterility is controlled by? | nuclear genes |
| Plant hormones present in the apices of shoots and leaf primordials are? | Gibberellins |
| The reciprocal recurrent selection was proposed by? | Constock et al (1949) |
| The first artificial hybridization in fruit crops was done by? | Knight |
| Somatic hybrid “Pomato” was produced by the fusion between potato and tomato by? | Melchers et al (1978) |
| Global gene pool rice is maintained at? | IRRI Philippines |
| The centre of origin of the sunflower is? | North America |
| Cytoplasmic genetic male sterility was first discovered by? | Jones and Davies (1944) |
| The concept of disruption was given by? | Mather |
| Mating between distantly related individuals is known as? | Outbreeding |
| Plant parts useful for extraction of opium from papaver saminiferaim are? | Unripe fruit |
| Self-incompatibility is controlled by? | Multiple alleles |
| Plasmids are discovered by? | Iscki & Sakai |
| The template of translation is? | mRNA |
| Split gene was first reported in? | Cluckens |
| The term recurrent selection was coined by? | Hull (1945) |
| Which generates variability? | Meiosis |
| Male sterility is the absence of? | Functional pollen |
| Gradual reduction in genetic variability due to the elimination of various () is called? | Genetic erosion |
| The plant growth regulator found in terminal and lateral buds is? | Auxins |
| Self-incompatibility in which the genes expressed in the style is known as? | Styler SL |
| When pollination and fertilization occur in an unopened flower bud it is known as? | Cleistogamy |
| The term mitosis was coined by? | Flemming (1882) |
| Germplasm gene banks for different crop plants in the world are about? | 980 |
| The concept of multi-line varieties was developed by? | Jensen (1952) |
| The term polygenes were coined by? | Mather (1943) |
| Male sterility in flowering plants was first reported is? | Koelreuter (1763) |
| The oil content in sunflower is? | 25-35% |
| Inline x tester cross each male is crossed with? | Same sets of females |
| Seeds that dried at low moisture content and stored at low temperatures without losing their viability are? | Orthodox seeds |
| The term homeostasis was coined by? | Lemer (1954) |
| The system of mating was given by? | Sewell Wright (1921) |
| The development of an embryo from an egg cell without fertilization is known as? | Parthenogenesis |
| ICARDA is located at? | Syria |
| Mating system in which each female gamete () with every male gamete is known as? | Random mating |
| Law of parallel variation was given by? | Vavilov |
| International Institute for Tropical Agriculture is located at? | Nigeria |
| Shull and East (1908) proposed the overdominance hypothesis of heterosis in? | Maize |
| Biometrics for the study of quantitative genetics was provided by? | Fisher |
| The earliest method of plant breeding? | Selection |
| Global gene bank of Potato is located at? | CIP Peru |
| The disc florets of sunflowers are? | Bisexual |
| The concept of path coefficient analysis was given by? | Mather (1949) |
| Colour blindness is a? | S*x linked trait |
| Primitive cultivars which are selected and cultivated by farmers for many years are? | Landraces |
| The seed of a sunflower is called a? | Achene |
| Germplasm collected within the country is known as? | Indigenous collection |
| Global gene bank of sorghum is located at? | ICRISAT |
| Convergent improvement was proposed by? | Richy (1920) |
| Allogamy is the common form of? | Outbreeding |
| The concept of generation means analysis was developed by? | Hayman (1958) |
| The most effective method for the transfer of oligogenic characters? | Backcross |
| In lucern, the toxic substance is found in? | Saponin |
| Pollen sterility which is controlled by both cytoplasmic and nuclear genes is known as? | CGMS |
| Cytoplasmic sterility is governed by? | Plasma genes |
| Tea, coffee and mango seeds can not be converted in seed banks because of the drastic loss in viability with a decrease in moisture content below. | 12% |
| Prepotency increases with the increase in? | Homozygosity |
| The mass pedigree method was developed by? | Harrington (1973) |
| Protoandry is found in? | Maize |
| Self-pollination is associated with? | Homogamy |
| Which one of the following is not a cereal crop? | Sorghum |
| Allogamy leads to? | Heterozygosity |
| The ray florets of sunflowers are usually? | Pistillate |
| The concept of diallel selective mating was developed by? | Jensen (1970) |
| The difference between the mean phenotypic value of the progeny of selected plants and the parental population is known as? | Genetic advance |
| Which statement is true? | Etiolation is physiological while albinism is genitival |
| In the long term storage, germplasm can be stored up to? | 100 years |
| A place or area where maximum variability of crop plants is observed? | Centers of diversity |
| Herkogamy is found in? | Alfalfa |
| The single-seed descent method was first suggested by? | Goulden (1939) |
| Self-incompatibility which is controlled by two genes is found in? | Gramineae |
| Amphimixis refers to? | Sexual reproduction |
| germplasm which is meant for short-term storage (3 to 5 years) is known as? | Working collection |
| The process of producing several identical copies of a gene sequence is referred to as? | Gene cloning |
| The global gene bank of barley is located at the? | ICARDA |
| The leaf without a petiole is referred to as a? | Stipulate |
| The concept of disruptive selection was first developed by? | Falconer (1960) |
| Various crosses made using a common tester are? | Test cross |
| Conservation of germplasm under natural conditions is called? | In-situ conservation |
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