General Plant Biotechnology Questions and Answers

Multiple Choice Questions and Answers on General Plant Biotechnology

Question 1 : Rice can grow in water submerged soil because the plants

  1. have spongy roots
  2. can oxidize the micro-environment around their roots and thus able to absorb oxygen
  3. are adapted to enable roots to ward off toxic products
  4. all of the above

Answer : 4

Question 2 : Who among the following coined the term Biotechnology?

  1. Karl Ereky
  2. James Clarke
  3. Paul Terasaky
  4. Clarke and Sommer

Answer : 1

Question 3 : The proteins that forms the walls of the microtubules are

  1. actin
  2. tubulin
  3. pectin
  4. hydroxyproline

Answer : 2

Question 4 : The colour of flower is due to the presence of

  1. chlorophyll
  2. xanthophylls
  3. florigen
  4. chromoplast or anthocyanin

Answer : 4

Question 5 : What are the names of the two genders of haploid yeast cells?

  1. A and Alpha
  2. M and F
  3. Y(a)and Y(b)
  4. None of these

Answer : 1

Question 6 : Neurospora is used as an experimental tool in

  1. ecology
  2. cytology
  3. genetics
  4. physiology

Answer : 3

Question 7 : The volume of O2 liberated in photosynthesis has which of the following ratio to CO2?

  1. 1:1
  2. 2:1
  3. 1:2
  4. 3:1

Answer : 1

Question 8 : In the bundle sheath of C4 plant __________ is/ are less than mesophyll

  1. PSI
  2. PSII
  3. PSI or PSII
  4. PSI and PSII

Answer : 2

Question 9 : Triticale is derived by crossing

  1. wheat and rice
  2. wheat and tapioca
  3. rye (secale) and wheat
  4. rye and rice

Answer : 3

Question 10 : The major source of sugar in the world is

  1. watermelon
  2. beetroot
  3. sugarcane
  4. dates

Answer : 3

Question 11 : Triticale, the first man made cereal is an example of

  1. artificial allopolyploidy
  2. artificial autopolyploidy
  3. man made crossing
  4. artificial evolution

Answer : 1

Question 12 : Mycorrhizae are symbiotic associations between

  1. algae and fungi
  2. root and fungi
  3. bacteria and root
  4. bacteria and fungi

Answer : 2

Question 13 : Gypsum is beneficial for

  1. phosphorus enriched soil
  2. water logged soil
  3. alkaline soil
  4. saline soil

Answer : 3

Question 14 : The study of interaction between living organism and environment is called

  1. ecosystem
  2. phytogeography
  3. ecology
  4. photosociology

Answer : 3

Question 15 : Lichen involves two organisms as

  1. virus and bacteria
  2. algae and bacteria
  3. algae and fungi
  4. fungi and mosses

Answer : 3

Question 16 : A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is

  1. lichen
  2. mycorrhizal
  3. ascomycete
  4. basidiomycete

Answer : 2

Question 17 : Archaeabacteria differ from the true bacteria as they have

  1. different cell membrane lipids
  2. cell wall composition
  3. ribosomal RNA structure
  4. growth not inhibited by antibiotics

Answer : 2

Question 18 : Which group of plants has the greatest diversity (i.e. the most species) living today?

  1. Bryophyta
  2. Lycophyta
  3. Gymnosperms
  4. Angiosperms

Answer : 4

Question 19 : Which group of land plants is most restricted to moist environments?

  1. Lycophyta
  2. Sphenophyta
  3. Bryophyta
  4. Angiosperms

Answer : 3

Question 20 : What single feature is probably most responsible for the success of angiosperms?

  1. Seeds
  2. Fruit
  3. Broad leaves
  4. Flowers

Answer : 4

Question 21 : Auxanometer is used for measuring

  1. respiratory activity
  2. photosynthetic activity
  3. growth activity
  4. osmotic pressure

Answer : 3

Question 22 : In angiosperm, the endosperm is

  1. haploid
  2. diploid
  3. triploid
  4. none of these

Answer : 3