Agricultural Biotechnology MCQ

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• Rooting hormone used in tissue culture is
  ক

  GA

  খ

  BAP

  গ

  Kinetin

  ঘ

  IAA
• Isoschizomers are
  ক

  Pair of restriction enzymes one cut recognize both methylated and unmethylated and another one cuts only unmethylated one

  খ

  Pair of restriction enzymes one cut recognize both methylated and unmethylated and another one cuts only methylated one

  গ

  Pair of restriction enzymes one cut recognize both methylated and unmethylated and another one does not cut

  ঘ

  None of the above
• Transcription is
  ক

  Formation of proteins

  খ

  Syntheis of DNA from RNA

  গ

  Synthesis of RNA from DNA

  ঘ

  Synthesis of RNA from RNA
• The isoelectric pH is
  ক

  The pH at which the amino acid has positive charge

  খ

  The pH at which amino acid has negative charge

  গ

  The pH at which the amino acid has both positive and negative charge

  ঘ

  All of the above
• The sequencing method for peptides is
  ক

  Sanger method

  খ

  Gilbert method

  গ

  Pyrosequencing

  ঘ

  MALDI-TOF
• The okazaki fragments are joined by
  ক

  DNA polymerase

  খ

  DNA gyrase

  গ

  Topoisomerase

  ঘ

  Ligase
• During the process of reverse transcription
  ক

  mRNA is synthesized from DNA

  খ

  DNA is synthesized from DNA

  গ

  Proteins are formed from mRNA

  ঘ

  DNA is synthesized from mRNA
• D.P.D. stands for
  ক

  Diffusion Pressure Deficit

  খ

  Diffusion Pressure Deficient

  গ

  Daily Phosphate Demand

  ঘ

  None of the above
• Which amino acid plays role in splicing of proteins?
  ক

  Serine

  খ

  Glycine

  গ

  Cysteine

  ঘ

  Tryptophan
• The term gene was coined by
  ক

  Mendel

  খ

  Bateson

  গ

  Johannsen

  ঘ

  Beadle
• For clearing oil spills which micro-organism is used
  ক

  Pseudomonas putida

  খ

  Nitrosomonas

  গ

  Rhizobium

  ঘ

  E. coli
• DNA fingerprinting was developed by
  ক

  G. S. Khush

  খ

  Ingo Potrykis

  গ

  Alec Jaffery

  ঘ

  M. S. Swaminathan
• Trehalose is a disaccharide of
  ক

  Two molecules of ? D glucose with ? (1 - 1) glycosidic bond

  খ

  Two molecules of ? D glucose with ? (1 - 1) glycosidic bond

  গ

  Two molecules of ? D glucose with ? (1 - 4) glycosidic bond

  ঘ

  Two molecules of ? D glucose with ? (1 - 4) glycosidic bond
• The secondary metabolite production begins at the
  ক

  Lag phase

  খ

  Log phase

  গ

  Static phase

  ঘ

  None of the above
• According to Chargaff's rule
  ক

  The molar ratio of A to T is 1

  খ

  The sum of purines is not equal to pyrimidine

  গ

  The molar ratio of G to C is more than 1

  ঘ

  The percentage of C + G is always equal to A + T
• The core enzyme of RNA polymerase is
  ক

  ?₂??'?

  খ

  ?₂??'

  গ

  ??'?

  ঘ

  ?₂???'? ?
• The gene which share common evolutionary ancestor are
  ক

  Pseudogenes

  খ

  Homologous genes

  গ

  Analogous genes

  ঘ

  None of the above
• Noncoding RNA is
  ক

  snRNA

  খ

  guide RNA

  গ

  siRNA

  ঘ

  All of the above
• The gibberellins was discovered by
  ক

  Went

  খ

  Leibig

  গ

  Darwin

  ঘ

  Kurosawa
• Selfish DNA is
  ক

  Satellite DNA

  খ

  Transposable element

  গ

  Introns

  ঘ

  Exons
• Which method enhances vitamin C production?
  ক

  Polymerization of a series of simple sugars

  খ

  Partitioning of ascorbate into seed storage proteins

  গ

  Derivatization of tocopherols from the shikimate pathway

  ঘ

  Enzymatic reduction of a component of pectin
• Amino group is present in
  ক

  Lysine

  খ

  Aspargine

  গ

  Glutamine

  ঘ

  Both B and C
• Which plant is used for bio-diesel production?
  ক

  Jatropha

  খ

  Soybean

  গ

  Argemone

  ঘ

  Rauwolfia
• The aromatic amino acid having phenol group is
  ক

  Tyrosine

  খ

  Tryptophan

  গ

  Phenyl alanine

  ঘ

  Proline
• CCA nucleotide are added to
  ক

  5' end of t RNA

  খ

  5'end of r RNA

  গ

  3'end of t RNA

  ঘ

  3'end of r RNA
• Plant cells do not burst in distilled water because
  ক

  Cell wall is permeable

  খ

  Cell wall is living

  গ

  Cell wall is elastic, rigid and get stretched

  ঘ

  Cell wall is outer most layer of plant cell
• During stress which of the following amino acid is accumulated
  ক

  Proline

  খ

  Tryptophan

  গ

  Tyrosine

  ঘ

  Alanine
• Tertiary structure of protein is stabilized by
  ক

  Covalen bond

  খ

  Ionic bond

  গ

  Vander waals interaction

  ঘ

  All of the above
• The mammals can not synthesize Ascorbic acid
  ক

  Due to deficiencies of prolyl hydroxylases

  খ

  Due to deficiencies of lysyl hydroxylases

  গ

  Due to deficiencies of Hydroxyproline

  ঘ

  Both A and B
• DNA is present in
  ক

  Nucleus

  খ

  Mitochondria

  গ

  Chloroplast

  ঘ

  All of the above