TNPSC Exam-AGRICULTURE Officers Exam held on 28.10. 2012
(Degree Standard
1. Which
of the following is a monoecious plant?
A)
Coconut
B)
Maize
C)
Castor
D)
All of the above
Answer: D
2. The
suitability of a variety for general cultivation over a wide range of
environmental conditions is known as
A)
Comparability
B)
Compatibility
C)
Heritability
D)
Stability
Answer: D
3. Wind Pollination is called as
A)
Entanophily
B)
Zoophily
C)
Anemophily
D)
Hydrophily
Answer: C
4. (A X B) X C is
A)
Single cross
B)
Double cross
C)
Three way cross
D)
Top cross
Answer: C
5. Cotton is a
A)
Self pollinated
crop
B)
Cross pollinated
crop
C)
Often cross
pollinated crop
D)
Often self
pollinated crop
Answer: C
6. Ranjit is the name of the hybrid variety
of
A)
Rice
B)
Maize
C)
Cotton
D)
Sugarcane
Answer: B
7. Fertilised matured ovule is
A)
Ovary
B)
Fruit
C)
Seed
D)
Seedling
Answer: C
8. A
method of breeding most commonly used when the desired variation is required to
be induced in a vegetatively propagated crop is
A)
Polyploidy
B)
Pedigree method of
breeding
C)
Mutation breeding
D)
Back cross method
of breeding
Answer: C
9. Plants produced from asexual methods are
A)
vigorous
B)
true-to-type
C)
susceptible
D)
having long
juvenile period
Answer: B
10. Genetic male sterility is controlled by
A)
Single recessive
gene (ms)
B)
Multiple genes
C)
Single dominant
gene (MS)
D)
None of the above
Answer: A
11. When
a F1 is crossed with the recessive homozygotic parents, the cross is
known as
A)
Back cross
B)
Crossing over
C)
Test cross
D)
All the above
Answer: C
12. The most effective method for the transfer
of oligogenic character is
A)
Pedigree breeding
B)
Bulk breeding
C)
Back cross
breeding
D)
Disruptive
breeding
Answer: C
13. A
collection of plasmid clones, or phages lysates containing recombinant DNA is
known as
A)
Gene transfer
B)
Genomic library
C)
Gene Cloning
D)
None of the above
Answer: B
14. Cells
that acquire the ability to multiply indefinitely in-vitro especially in plant
cell tissues is known as
A)
Cell line
B)
Cell fusion
C)
Chemostat
D)
Coagulation
Answer: A
15. Bt cotton tolerates
A)
Beetles
B)
Bugs
C)
Caterpillars
D)
Flies
Answer: C
16. In which of the following crops, transgenic
varieties are most popular?
i.
Brinjal
ii.Cotton
iii.
Groundnut
iv.
Tomato
A)
i and ii of the
above
B)
ii and iii of the
above
C)
ii and iv of the
above
D)
iii and iv of the
above
Answer: C
17. Biological fixation of nitrogen is helped by
A)
Zinc
B)
Copper
C)
Boron
D)
Molybdenum
Answer: D
18. Which one of the following is a C4 Plant?
A)
Sunflower
B)
Maize
C)
Rice
D)
Pulses
Answer: B
19. Seedlessness in grapes is due to
A)
Embryo abortion
B)
Gibberellins
C)
Excess nitrogen
D)
None of the above
Answer: A
20. Edible banana is
A)
Diploid
B)
Triploid
C)
Tetraploid
D)
None of the above
Answer: B
21. Importance of
fruits and vegetable is human diet is primarily because they are good source of
A)
Vitamins
B)
Proteins
C)
Vitamins and
minerals
D)
None of the above
Answer: C
22. Adjustment of
individual to their environment by means of special structures or of function
is called as
A)
Variation
B)
Heredity
C)
Adaptation
D)
Mutation
Answer: C
23. The amino acid associated with water stress
A)
Hydroxy Proline
B)
Lysine
C)
Proline
D)
None of the above
Answer: C
24. Plant growth regulator used for ripening is
A)
Gibberellic acid
B)
Cytokinine
C)
Butyric acid
D)
Ethylene
Answer: D
25. Whiptail in cauliflower is due to the
deficiency of
A)
Manganese
B)
Magnesium
C)
Molybdenum
D)
Sulphur
Answer: C
No comments:
Post a Comment