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Questions and Answers
What is the main purpose of irrigation in rice cultivation?
What is the main purpose of irrigation in rice cultivation?
- To reduce the water requirement of the plant
- To eliminate the need for water entirely
- To replace the need for rains
- To supplement the natural rainfall (correct)
Which type of rice is characterized by being totally dependent on irrigation?
Which type of rice is characterized by being totally dependent on irrigation?
- Chaite dhan (irrigated dry season rice) (correct)
- Traditional tall varieties in shallow rainfed rice
- Modern semi-dwarf varieties in shallow rainfed rice
- Wet season rice
What distinguishes shallow rainfed rice from other types of rice cultivation?
What distinguishes shallow rainfed rice from other types of rice cultivation?
- Rice is transplanted with a high water depth maintained throughout
- It involves minimal irrigation and relies on rainfall (correct)
- It requires deep flooding during the growing season
- Only traditional tall varieties can be grown in this method
Which part of the plant is responsible for nutrient and water uptake from the soil?
Which part of the plant is responsible for nutrient and water uptake from the soil?
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In what type of situation do modern semi-dwarf varieties of rice usually grow?
In what type of situation do modern semi-dwarf varieties of rice usually grow?
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What is the significance of coleoptiles in rice plants?
What is the significance of coleoptiles in rice plants?
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What part of the rice plant emerges first in well-drained soil conditions?
What part of the rice plant emerges first in well-drained soil conditions?
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What does the primary embryonic root do once it emerges through the coleorrhiza?
What does the primary embryonic root do once it emerges through the coleorrhiza?
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What happens in the shoot system?
What happens in the shoot system?
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