Which of the following insect-pests possesses biting and chewing mouthparts?
Grasshopper
Weevil
Aphid
Cotton stainer
Correct answer is A
No explanation has been provided for this answer.
I and II only
I and III only
I, II and III only
I, II and IV only
Correct answer is D
No explanation has been provided for this answer.
Ornamental plants reduce noise pollution in the environment by
Scattering sound energy
Reflecting sound waves
Dispersing sound waves
Absorbing sound energy
Correct answer is C
No explanation has been provided for this answer.
The botanical name of groundnut is
Vigna unguiculata
Arachis hypogaea
Phaseolus vulgaris
Glycine max
Correct answer is B
No explanation has been provided for this answer.
Citrus is usually propagated by
Budding
Layering
Use of stem cuttings
Use of bulbs
Correct answer is A
No explanation has been provided for this answer.