Top 1000+ Solved Horticultural Science MCQ Questions Answer

From 226 to 240 of 884

Q. Silver Oak produces seeds after age of:

a. 1 year

b. 5 years

c. 10 years

d. 15 years

  • c. 10 years

Q. Which of the following plants are used for the extraction of scent?

a. Rose

b. Murva

c. Citrus

d. All of above

  • c. Citrus

Q. The first ever auxin discovered was:

a. IBA

b. IPA

c. IAA

d. None of above

  • c. IAA

Q. Mowing of grasses in winter is recommended after:

a. 20-30 days

b. 30-40 days

c. 40-50 days

d. Both ‘b’ and ‘c’

  • d. Both ‘b’ and ‘c’

Q. Major types of greenhouse are

a. Even span

b. Lean to

c. Odd span

d. a & b

  • d. a & b

Q. At the time of transplanting, weight of date palm sucker should be:

a. 5-10 kg

b. 10-20 kg

c. 20-30 kg

d. Less than 5 kg

  • b. 10-20 kg

Q. Following plant(s) is/are propagated through seed.

a. Murva

b. Bottle palm

c. None of above

d. All above

  • d. All above

Q. Citrus seeds can be stored with Charcoal at following temperature in dryconditions.

a. 0-3°C

b. 3-10°C

c. 10-15°C

d. Above 15°C

  • b. 3-10°C

Q. Seed germination percentage of rough lemon is:

a. 50-60%

b. 60-70%

c. 70-80%

d. 80-90%

  • b. 60-70%

Q. Most serious insect/pest(s) of apple is/are:

a. Codling moth

b. Fruit fly

c. All above

d. None of above

  • a. Codling moth

Q. Postharvest fumigation of citrus used to be done with:

a. Thiobendazole (TBZ)

b. Ethylene Dibromide (EDB)

c. Above both

d. None of above

  • b. Ethylene Dibromide (EDB)

Q. Soil compaction __________ yield of potato.

a. Increases

b. Decreases

c. Does not effect

d. Unknown

  • b. Decreases

Q. Cost benefit ratio in potato production should range:

a. 1:5

b. 1:10

c. 10:1

d. Both ‘a’ and ‘b’

  • d. Both ‘a’ and ‘b’

Q. “Thalsa” is a variety of potato very suitable for the region of:

a. Peshawar

b. Tandojam

c. Mir Pur Khas

d. Sahiwal

  • a. Peshawar

Q. Yield of carrot is maximum at pH:

a. 6.5

b. 7.5

c. 8.5

d. Below 6.5

  • a. 6.5
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