NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Botany MCQs (Practice_Test 29 of 104)
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- In gametophyte self-incompatibility (GSI) , rejection reaction takes place in
- Stigma
- Style
- Ovary
- Embryo sac
- Match List I with List II and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 29 of 104) List-I (Name of Institute) List-II (Place where located) - International Plant Genetic Resources Institute
- International Rice Research Institute
- International Wheat and Maize
- Improvement Centre
- Italy
- Mexico
- Philippines
- A
- B
- C
- 1
- 2
- 3
- 2
- 1
- 3
- 1
- 3
- 2
- 3
- 2
- 1
- Selectable marker that provides resistance to the antibiotic kanamycin is
- Gentamycin acetyltransferase
- Hygromycin phosphotransferase (hpt)
- Streptomycin phosphotransferase
- Neomycin phosphotransferase (npt 11)
- Satellite DNA consists of
- Extra chromosomal DNA
- Shorter repetitive nucleotide sequences
- Ribosomal RNA genes
- Single gene regions
- Certain yeast mutants have petite mitochondria, and they obviously lack
- Ability to generate alcohol from glucose
- Capacity to synthesize fats
- Ability to form ATP by oxidative phosphorylation
- Enzyme which phosphorylates glucose
- In plant cell walls, the tensile strength of the walls is provided by
- Cellulose
- Lignin
- Pectin
- Extensin
- Among angiosperm plants, the lowest chromosome & number is found in
- Haplopappus gracilis
- Crepis capillaris
- Arabidopsis thaliana
- Oenothera lamarckiana
- Triticum aestivum, a common wheat is
- Autopolyploid
- Auto diploid
- Allotetraploid
- Allohexaploid
- Mutations which do not cause any functional change in the protein are called as
- Non-sense mutations
- Mis-sense mutations
- Backward mutations
- Silent mutations
- A change in DNA that creates UAA codon at a site previously occupied by another codon, would result in one of the following mutations:
- Amber
- Ochre
- Opal
- Polar
- pBR 322 which is frequently used as a vector for cloning gene in E. Coli is
- An original bacterial plasmid
- A modified bacterial plasmid
- A viral genome
- A transposon
- Match List I with List II and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 29 of 104) List-I (Enzymes) List-II (Characteristic Activity) - Terminal transferees
- Polynucleotide kinesis
- Taq DNA polymerases
- Exonucleases
- Stable above 90 degrees C
- Cleave the ends of linear DNA
- Adds phosphate to 5 OH end of DNA or RNA
- Adds a number of nucleotides to 3՚ end of DNA or RNA
- Regulate the level of super coiling of DNA molecule
- A
- B
- C
- D
- 5
- 4
- 1
- 2
- 4
- 3
- 1
- 2
- 3
- 4
- 5
- 1
- 4
- 3
- 2
- 1
- Genes containing introns are called
- Silent genes
- Split genes
- Structural genes
- Psudogenes
- The coiling of chromatics during early prophase of Mitosis is termed as
- Somatic coiling
- Minor coiling
- Plectonemic coiling
- Par anemic coiling
- It is advantageous to use a vector having multiple cloning sites, as it
- Contains many copies of a cloned gene
- Contains many copies of the same restriction enzyme site
- Allows flexibility in the choice of restriction enzymes
- Allows flexibility in the choice of genes for cloning