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Agriculture Exams (Agri Cropsci) – Page 1
#1. The Philippines is an agricultural country with a land area of 30M hectares. The total area devoted to agriculture is:
A
35% (10.5M)
B
40% (12M)
C
50% (15M)
D
47% (14.1M)
Show Answer
Answer:
47% (14.1M)
#2. Sen. Edgardo J. Angara is the author of AFMA of 1998, it became into law as:
A
RA # 8435
B
RA # 8035
C
RA # 6434
D
RA # 8535
Show Answer
Answer:
RA # 8435
#3. Plants having a special property that can act as host to N2 fixing bacteria:
A
cucurbits
B
legumes
C
crucifers
D
solanaceous
Show Answer
Answer:
legumes
#4. Most of our economically important crops are:
A
xerophytes
B
hydrophytes
C
mesophytes
D
heliophytes
Show Answer
Answer:
mesophytes
#5. Scientific names of plants are composed of:
A
family & specie
B
order & phylum
C
family & order
D
genus & species
Show Answer
Answer:
genus & species
#6. Growing of two crops in succession, planting one before the harvest of the former:
A
relay cropping
B
ratoon cropping
C
strip cropping
D
intercropping
Show Answer
Answer:
relay cropping
#7. A measure of seed viability: number of seeds that have germinated divided by the number of seeds sown, multiplied by 100:
A
rate of germination
B
coefficient rate
C
germination score
D
germination percentage
Show Answer
Answer:
germination percentage
#8. Round-up ready corn variety is an example of:
A
GMO crop
B
genetically modified organism
C
transgenic crop
D
all of the above
Show Answer
Answer:
all of the above
#9. The following describes the word “pest”, except:
A
noxious weeds
B
entomophagous insects
C
phytopathogenic microorganism
D
phytophagous insects
Show Answer
Answer:
entomophagous insects
#10. Which is not a solution to waterlogged condition?
A
providing crops with trellis
B
construction of drainage canals
C
planting crops well adapted to saturated condition
D
planting crops in raised beds
Show Answer
Answer:
providing crops with trellis
#11. A method of harvesting in which only matured fruits or pods are harvested is called:
A
tapping
B
priming
C
thinning
D
pruning
Show Answer
Answer:
priming
#12. Plant roll their leaves as in the case of corn:
A
increase leaf water content
B
change the angle of incidence of diffused light to the leaf surface
C
reduce rate of transpirational water loss
D
increase probability of desiccation
Show Answer
Answer:
reduce rate of transpirational water loss
#13. Rice armyworm is scientifically known as:
A
Scirpophaga innotata
B
Scirpophaga incertulas
C
Spodoptera litura
D
Mythimna separata
Show Answer
Answer:
Mythimna separata
#14. Nuclear Polyhedrosis Virus (NPV) is an entomopathogen specific against:
A
hymenopterans
B
homopterans
C
lepidopterans
D
hemipterans
Show Answer
Answer:
lepidopterans
#15. The products of the light reaction phase of photosynthesis are:
A
ATP and NADPH
B
ATP and NADH
C
CH2O and NADPH
D
O2 + ATP
Show Answer
Answer:
ATP and NADPH
#16. The Krebs cycle takes place in the:
A
peroxisome
B
vacuole
C
mitochondrion
D
chlorophyll
Show Answer
Answer:
mitochondrion
#17. Phototropism is a growth response of plant to unidirectional light which is probably influenced by a particular growth hormone:
A
kinetin
B
gibberellins
C
indole acetic acid
D
abscissic acid
Show Answer
Answer:
indole acetic acid
#18. The tags used for breeder seeds are colored:
A
blue
B
yellow
C
green
D
white
Show Answer
Answer:
white
#19. The practice used in rubber trees in order to remove more latex:
A
pruning
B
propping
C
tapping
D
retting
Show Answer
Answer:
tapping
#20. An entomopathogen used against RBB and GLH, known as white muscardine fungus:
A
Pyricularia grisea
B
Beauveria bassiana
C
Metarrhizium anisopliae
D
Trichoderma harzianum
Show Answer
Answer:
Beauveria bassiana
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