Questions
Question 1 Multiple Choice (Single Answer)
The process of cultivation of crop plants is known as _______.
- Silviculture
- Agriculture
- Horticulture
- Generation
Question 2 Multiple Choice (Single Answer)
Air supplies _______ and ______to crops and living beings.
- carbon and hydrogen
- <span style="font-family:" arial;="" font-size:="" small;="">carbon<span style="font-family:" arial;="" font-size:="" small;=""> and oxygen
- hydrogen and oxygen
- carbon, hydrogen and oxygen
Question 3 Multiple Choice (Single Answer)
Which of the following is TRUE for threshing?
- The separation of best quality grains from the crops.
- The separation of grains from the crops which are cut.
- The separation of grains on the basis of their size.
- The separation of infected grains from the crops.
Question 4 Multiple Choice (Single Answer)
Crossing between genetically dissimilar plant varieties is known as
- cropping
- hybridisation
- tissue culture
- insemination
Question 5 Multiple Choice (Single Answer)
Vermicomposting is done by
- chemicals
- earthworms
- birds
- insects
Question 6 Multiple Choice (Single Answer)
Horticulture includes the
- propagation of fishes
- propagation of honey bees
- propagation of garden plants
- propagation of milk animals
Question 7 Multiple Choice (Single Answer)
Which of the following is a biotic factor that affects crop production?
- Drought
- Salinity
- Waterlogging
- Diseases
Question 8 Multiple Choice (Single Answer)
Which of the following elements is not mainly supplied by fertilisers?
- N
- P
- Na
- K
Question 9 Multiple Choice (Single Answer)
Weeds should be removed from a crop field as early as possible, because
- they compete for food, space and light with the main crop
- they take up nutrients from the soil leaving less nutrients for the main crop
- they reduce the yield of the main crop
- all of the above
Question 10 Multiple Choice (Single Answer)
Manure is prepared by ________ of animal excreta and plant waste.
- chemicals
- decomposition
- aeration
- denitrification