The frequency of weed control on a tomato farm does not depend on

A. rainfall

B. soil fertility

C. nearness to homestead

D. planting distance of crops

Citrus is usually propagated by

A. budding

B. layering

C. use of stem cuttings

D. use of bulbs

The botanical name of groundnut is

A. vigna unguiculata

B. arachis hypogaea

C. phaseolus vulgaris

D. glycine max.

Ornamental plants reduce noise pollution in the environment by

A. scattering sound energy

B. reflecting sound waves

C. dispersing sound waves

D. absorbing sound energy

Which of the following statement about the effects of diseases on crops are true? Reduction in
I. quality of products
II. photosynthetic ability
III. cost of production
IV. yield of the produce

A. I and II only

B. I and III only

C. I,II and III only

D. I,II and IV only

Which of the following insect-pests possesses biting and chewing mouthparts?

A. grasshopper

B. weevil

C. aphid

D. cotton stainer

Striga spp. is a parasitic weed of

A. cotton

B. orange

C. groundnut

D. sorghum

The first activity to undertake before establishing a plantation is to

A. survey the land

B. clear the land

C. prepare the seed beds

D. raise seedlings

Fruits should be harvested at the appropriate time in order to

A. prevent them from brusing

B. minimize their sugar content

C. reap increased fruiting

D. ensure good quality produce

Which of the following crops are useful to the soap-making industry?
I. kolanut
II. coconut
III. shea nut

A. I and II only

B. I and III only

C. II and III only

D. I,II and III