11. Biotechnology Principles And Processes(12)

11. Biotechnology Principles And Processes(12)

20 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Degenerative disease in adults can be treated with stem cells obtained from

  1. Blood sample
  2. Muscle fibre
  3. Bone marrow
  4. Keratin
Question 2 Multiple Choice (Single Answer)

A drug obtained through genetic engineering and useful for treating infertility is

  1. Calcitonin
  2. Chorionic
  3. Interleukin
  4. Tissue plasminogen activator
Question 3 Multiple Choice (Single Answer)

VNTR stands for

  1. Variable number thymine repeats
  2. Variable number transcription repeats
  3. Variable nucleotide tandem repeats
  4. Variable number tandem repeats
Question 4 Multiple Choice (Single Answer)

One of the following is a major requirment for DNA finger printing

  1. Electron microscopy
  2. ELISA
  3. Electrophoresis
  4. HPLC
Question 5 Multiple Choice (Single Answer)

Plasmids are used in genetic engineering because they are

  1. Easily available
  2. Able to replicate
  3. Able to integrate with host chromosome
  4. Inert
Question 6 Multiple Choice (Single Answer)

Frost resistance is obtained from genetically engineered

  1. Escherichia coli
  2. Pseudornonas putida
  3. Pseudomonas fluorescens
  4. Trichodenna
Question 7 Multiple Choice (Single Answer)

Dermatoglyphics is connected with

  1. Skin diseases
  2. Care of skin
  3. Gsmetics
  4. Finger printing
Question 8 Multiple Choice (Single Answer)

Which technique can be helpful in over coming hybridisation barrier

  1. Shoot tip culture
  2. Embryo rescue
  3. Protoplast fusion
  4. Both B and C
Question 9 Multiple Choice (Single Answer)

Modification and adjustment of an organism to local environment is called

  1. Introduction
  2. Selection
  3. Acclimatisation
  4. Quarantine
Question 10 Multiple Choice (Single Answer)

Haploids are more suitable for mutation studies than diploids because

  1. Haploid are more abundant
  2. All mutations, whether dominant or recessive, are expressed in haploids
  3. Haploids are reproductively more suitable
  4. Mutagens penetrate in haploids more effectively than in diploids
Question 11 Multiple Choice (Single Answer)

Differentiation of callus into plant parts is

  1. Embryogenesis
  2. Embryoid formation
  3. Morphogenesis
  4. Totipotency
Question 12 Multiple Choice (Single Answer)

Restriction enzymes are used in genetic engineering because they

  1. Can join DNA fragments
  2. Cut DNA at specific base sequence
  3. Cut DNA at variable sites
  4. Are proteolytic enzymes which degrade harmful proteins
Question 13 Multiple Choice (Single Answer)

The problem of necrosis and gradual senescence while performing tissue culture can be overcome by

  1. Spraying cytokinins
  2. Spraying auxin
  3. Subculture
  4. Suspension culture
Question 14 Multiple Choice (Single Answer)

Which one is triploid crop

  1. Banana
  2. Groundnut
  3. Potato
  4. Mango
Question 15 Multiple Choice (Single Answer)

Two protoplasts can be made to fuse through the application of

  1. Electrofusion
  2. Polyethylene glycol
  3. Sodium nitrate
  4. All the above
Question 16 Multiple Choice (Single Answer)

Which of the following is most commonly used for creation of genetic variation

  1. Polyploidy
  2. Hybridisation
  3. Mutation
  4. Genetic engineering
Question 17 Multiple Choice (Single Answer)

Toxic component of Bacillus thuringiensis is

  1. Alkaloid
  2. Steroid
  3. Amino acid
  4. Protein
Question 18 Multiple Choice (Single Answer)

Stem cells are obtained from

  1. Umbilical cord
  2. Healing wounds
  3. Epithelial cells
  4. Neuron
Question 19 Multiple Choice (Single Answer)

Transgenic plants are developed by

  1. introducing foreign genes
  2. introducing gene mutations
  3. deleting certain chromosome parts
  4. stopping spindle formation
Question 20 Multiple Choice (Single Answer)

In maize, hybrid vigour is exploited by

  1. inducing mutations
  2. bombarding the protoplast with DNA
  3. the crossing of two inbred parental lines
  4. harvesting seeds from the productive plants