Agricultural Science Questions
Question 1386:
Rosette disease of groundnut is transmitted by
- A An eelworm
- B A grasshopper
- C A whitefly
- D An aphid
Question 1387:
The control of spear grass on the farm is difficult because
- A It produces a large quantity of seeds
- B It is easily propagated by suckers
- C It has a very persistent rhizome
- D Seeds presist in the soil for a long time
Question 1388:
The use of fungal pathogens to control dodder weed is a
- A Physical method
- B Mechanical method
- C Biological method
- D Cultural method
Question 1389:
Hybrid vigour in crop improvement is brought about through
- A Intorduction
- B Mass selection
- C Inbreeding
- D Cross breeding
Question 1390:
Which of the following structures is not a part of the digestive tract of pigs?
- A Oesophagus
- B Proventriculus
- C Duodenum
- D Colon