MCQs Plant Breeding and Genetics [2] Posted on April 15, 2023Author admin 0 Plant Breeding, Plant Genetics, Evolution, Genetics Please enter your email: 1. ________ proposed germplasm theory None Von Baer August Weismann Francis Galton 2. _____ of the following is NOT a type of structural chromosomal aberration Deletion Duplication Translation Inversion 3. The complete set of proteins made by an organism is known as ____________ Proteome Transcriptome Transcription factor Hybrid 4. The full range of RNA molecules expressed by a genome is known as its ____________ Proteome Hybrid Transcriptome Transcription factor 5. _____________ is the category of genetic male sterile lines All of these Photoperiod genetic male sterile thermosensitive genetic male sterile photoperiod and thermosensitive genetic male sterile 6. In XX-XY system, male is the __________________ because of producing two different gametes No difference None of these Homogametic sex Heterogametic sex 7. _____ the progeny descendent solely by self-pollination from a single homozygous plant Partial Hybrid Pure line Hybrid Multiline 8. Bacillus thuringiensis as toxic organism was first time reported in ________ 1950 1911 1996 1946 9. Proteins involved in the process of converting, or transcribing, DNA into RNA ____________ Transcription factor Hybrid Proteome Transcriptome 10. Male sterility (in plants) was first reported in __________ plant Cucumber Onion Maize Rice 11. ____________ of the following is not a chromosomal aneuploidy Tetrasomy X Monosomy Inversion Nullisomy 12. Short regions of the Y and X chromosomes that contain homologous gene sequences is called Heterosomal regions None of these Pseudoautosomal regions Autosomal regions 13. Function of DNA ligase during DNA replication is ___________________ proofreading of DNA strands for errors addition of new nucleotides to the growing DNA strand glue fragments of DNA together unwinds the double helix 14. The function of mitochondria in a cell is _______________ To produce proteins To produce energy for the cell To help transport materials within the cell To store genetic material 15. ________ is attributed to first time reporting of male sterility in plants Francis Galton August Weismann Von Baer Henry Albert Jones 16. _______________is true about telomeres Telomeres are located at the center of the chromosome Telomeres are composed of RNA molecules Telomeres protect the genome from nucleolytic degradation Telomeres are only found in prokaryotic cells 17. Research done by Norman Borlaug in _____________is credited with starting the Green Revolution China Mexico Philippines United States 18. During anaphase, each pair of chromosomes is _______ into two identical, independent chromosomes Separated Merge None Isolated 19. The full range of RNA molecules expressed by a genome is known as its ____________ Hybrid Proteome Transcriptome Transcription factor 20. Individuals with both ovarian and testicular elements are called _____________ None of these Incomplete hermaphroditism True Hybrid True hermaphroditism Loading … Question 1 of 20
