General Plant Biotechnology MCQs : This section focuses on the "General Plant Biotechnology". These Multiple Choice Questions (MCQs) should be practiced to improve the General Plant Biotechnology skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
The colour of flower is due to the presence of
A. chlorophyll
B. xanthophylls
C. florigen
D. chromoplast or anthocyanin
Question 2
Which group of plants has the greatest diversity (i.e. the most species) living today?
A. Bryophyta
B. Lycophyta
C. Gymnosperms
D. Angiosperms
Question 3
Triticale, the first man made cereal is an example of
A. artificial allopolyploidy
B. artificial autopolyploidy
C. man made crossing
D. artificial evolution
Question 4
In the bundle sheath of C4 plant __________ is/ are less than mesophyll.
A. PSI
B. PSII
C. PSI or PSII
D. PSI and PSII
Question 5
The major source of sugar in the world is
A. watermelon
B. beetroot
C. sugarcane
D. dates
Question 6
Mycorrhizae are symbiotic associations between
A. algae and fungi
B. root and fungi
C. bacteria and root
D. bacteria and fungi
Question 7
Archaeabacteria differ from the true bacteria as they have
A. different cell membrane lipids
B. cell wall composition
C. ribosomal RNA structure
D. growth not inhibited by antibiotics
Question 8
Who among the following coined the term Biotechnology?
A. Karl Ereky
B. James Clarke
C. Paul Terasaky
D. Clarke and Sommer
Question 9
Neurospora is used as an experimental tool in
A. ecology
B. cytology
C. genetics
D. physiology
Question 10
In angiosperm, the endosperm is
A. haploid
B. diploid
C. triploid
D. None of these
Question 11
What are the names of the two genders of haploid yeast cells?
A. A and Alpha
B. M and F
C. Y(a)and Y(b)
D. None of these
Question 12
What single feature is probably most responsible for the success of angiosperms?
A. Seeds
B. Fruit
C. Broad leaves
D. Flowers
Question 13
The proteins that forms the walls of the microtubules are
A. actin
B. tubulin
C. pectin
D. hydroxyproline
Question 14
The volume of O2 liberated in photosynthesis has which of the following ratio to CO2?
A. 1:1
B. 2:1
C. 1:2
D. 3:1
Question 15
Auxanometer is used for measuring
A. respiratory activity
B. photosynthetic activity
C. growth activity
D. osmotic pressure
Question 16
A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is
A. lichen
B. mycorrhizal
C. ascomycete
D. basidiomycete
Question 17
The volume of O2 liberated in photosynthesis has which of the following ratio to CO2?
A. 01:01
B. 02:01
C. 01:02
D. 03:01
Question 18
Gypsum is beneficial for
A. phosphorus enriched soil
B. water logged soil
C. alkaline soil
D. saline soil
Question 19
The study of interaction between living organism and environment is called
A. ecosystem
B. phytogeography
C. ecology
D. photosociology
Question 20
Lichen involves two organisms as
A. virus and bacteria
B. algae and bacteria
C. algae and fungi
D. fungi and mosses
Question 21
Which group of land plants is most restricted to moist environments?
A. Lycophyta
B. Sphenophyta
C. Bryophyta
D. Angiosperms
Question 22
Triticale is derived by crossing
A. wheat and rice
B. wheat and tapioca
C. rye (secale) and wheat
D. rye and rice
Question 23
Rice can grow in water submerged soil because the plants
A. have spongy roots
B. can oxidize the micro-environment around their roots and thus able to absorb oxygen
C. are adapted to enable roots to ward off toxic products
D. all of the above