One Liner Plant Breeding Questions for ICAR JRF & AFO Exams
Subject:- Agriculture Economics
Plant Breeding & Genetics one liner questions with answers for agriculture competitive exams like ICAR JRF, IBPS AFO, RPSC Agriculture, BHU, and CUET. Quick revision notes, MCQs, and short questions for exam preparation.
Special 30 One Liner Questions
| Questions | Answers |
| Removal of RNA primer during DNA replication in prokaryotes is done by? | DNA pol-1 |
| The term “Genetics” was coined by? | Bateson (1905) |
| One gene one enzmes hypothesis was proposed by? | Beadle and Tatum in 1941 |
| First time gene was divided into cistron, muton and recon by? | Benzer (1955) |
| A mass of regenerated cells i culture medium is called? | Callus |
| Source of male sterile cytoplasm in sunflower is? | Helianthus petolaris |
| Presence of physical barrier between anthers and stigma which promotes cross pollination is? | Herkogamy |
| Rediscovery of Mendel’s work was done by? | Hugo de Vries, Erich Correns and Erich Tschermak (1900) |
| Different alleles produce a same phenotype is? | Isoalleles |
| The extra chromosome in a secondary trisomic is an? | Isochromosome |
| What is the embryogenesis ? | It is the process of formation of somatic embryos from callus |
| In India seed certification is? | Voluntary |
| The progeny obtained from a cross between two facultative apomicts is? | Vybrid |
| The term chromosome was coined by? | Waldeyer in 1888 |
| ‘Mitosis’ term was 1st given by? | Walter Flemming (1882) |
One Liner Plant Breeding Questions for ICAR JRF & AFO Exams
| Questions | Answers |
| The colour of the tag prescribed for foundation seed? | White |
| Polymerase chain reaction (PCR) was developed by? | Dr Karl Mullis (1980) |
| Introductions of medicinal plants into India will be routed through? | BSI |
| Development of average phenotype irrespective of environmental or genetic variation is? | Canalization |
| A fruit which developed from an inflorescence is called? | Composite fruit |
| A variety developed by mixing seeds of several phenotypically outstanding lines and encouraging open pollination is? | Composites |
| Segregating materials grown in different locations to facilitate selection for one trait in one location and for another trait in other is called as? | Shuttle breeding |
| Highest uniformity is observed in? | Single cross |
| The project on Indian mustard oil with higher B-carotene is initiated by? | Tata Energy Research Institute (TERI) |
| The Blue biotechnology is a term that has been used to describe? | The marine and aquatic application |
| The term “Genomics” was coined by? | Thomas Roderick (1986) |
| The characters which expresses at a particular environment is called as? | Threshold character |
| The hypothesis which explains that allopolyploids evolved by inter-specific hybridization followed by chromosome doubling is? | Winge Hypothesis |
| The seed collections that are meant to use actively in breeding programmes is? | Working collections |
| RNA synthesis is in which organ? | Nucleolus |
One Liner Plant Breeding Questions for ICAR JRF & AFO Exams
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