Crop Production and Its Management (Class VIII)
CROP PRODUCTION AND ITS MANAGEMENT
Questions
Which of the following crops are based on season of cultivation?
- Biennials crops
- Kharif crops
- Perennials
- Annuals
- Cash crops
Which of the following processes is not related to ploughs?
- Tilling soil
- Smoothing out the surface of the soil
- Adding fertilisers
- Adding manure
- Remove weeds
Why is organic manure better than fertilisers?
- Decreases the number of microbes
- Easily absorbed
- Improves the texture of the soil
- Easily washed away by water
- Decreases the water holding capacity of the soil
Which of the animals are not used for ploughing in the given options?
- Elephants, camels
- Horses, camels
- Oxen, elephants
- Bulls, donkeys
- Horses, bulls
Which of the following things is/are needed in less quantity by the crops to grow up?
- Sunlight
- Water
- Oxygen
- Carbon
- Chlorine
Which of the following is true for rabi crops?
- Grown in the rainy season
- Complete their life cycle in one year
- Live for several years
- Grown in the winter season
- Grown for commercial purposes
Which process is used for supplying water to crop plants in fields?
- Irrigation
- Threshing
- Sowing
- Ploughing
- Winnowing
Which of the following tools has replaced the ploughs nowadays?
- Iron plough
- Ploughshare
- Wooden plough
- Ploughshaft
- Hoe
Which of the following sequences of steps is correct for cultivating a crop?
- (1) Preparation of soil; (2) Sowing; (3) Adding manure and fertilisers; (4) Irrigation; (5) Protection from weeds; (6) Storage
- (1) Preparation of soil; (2) Sowing; (3) Adding manure and fertilisers; (4) Irrigation; (5) Protection from weeds; (6) Harvesting; (7) Storage
- (1) Preparation of soil; (2) Sowing; (3) Adding manure and fertilisers; (4) Protection from weeds; (5) Harvesting; (6) Storage
- (1) Preparation of soil; (2) Sowing; (3) Adding manure and fertilisers; (4) Irrigation; (5) Protection from weeds; (6) Harvesting; (7) Threshing
- (1) Preparation of soil; (2) Sowing; (3) Adding manure and fertilisers; (4) Irrigation; (5) Threshing; (6) Harvesting; (7) Storage
Which of the following characteristics is not related to a fertiliser?
- It is an organic compound.
- It is prepared in factories.
- It is soluble in water.
- Its effect is of shorter duration.
- It is rich in plant nutrients.
Which of the following chemical substances is used to kill the insects?
- Bordeaux mixture
- Arsenic
- Dichloro diphenyl trichloro ethane
- Zinc phosphate
- 2-4-Dichloro phenoxy acetic acid
Which of the following fertilisers/processes is/are derived from living organisms?
- Biofertilisers
- Manures
- Hybridisation
- Biocides
- Weedicides
Which of the following is the modern method of irrigation that helps us to use water?
- Dhekli system
- Moat system
- Drip system
- Chain pump system
- Rahat system
Which of the following is an example of a rabi crop?
- Paddy
- Maize
- Watermelon
- Cotton
- Mustard
What is meant by the zayad crops?
- Crops which are grown in the winter season
- Crops which are grown in two years or two seasons
- Crops which are grown between the kharif and rabi seasons
- Crops which are grown in the rainy season
- Crops which are grown for several years