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Classification System for Rice Cultivation

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Classification System for Rice Cultivation

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Questions and Answers

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?

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?

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?

Crown roots Signup and view all the answers

In what type of situation do modern semi-dwarf varieties of rice usually grow?

Irrigated dry season rice Signup and view all the answers

What is the significance of coleoptiles in rice plants?

They emerge first in submerged lowland conditions Signup and view all the answers

What part of the rice plant emerges first in well-drained soil conditions?

Coleorrhiza Signup and view all the answers

What does the primary embryonic root do once it emerges through the coleorrhiza?

It usually dies within a month Signup and view all the answers

What happens in the shoot system?

It includes leaves, stem, and inflorescence visible above ground Signup and view all the answers

Classification System for Rice Cultivation

Choose a study mode

Podcast

Questions and Answers

What is the main purpose of irrigation in rice cultivation?

Which type of rice is characterized by being totally dependent on irrigation?

What distinguishes shallow rainfed rice from other types of rice cultivation?

Which part of the plant is responsible for nutrient and water uptake from the soil?

In what type of situation do modern semi-dwarf varieties of rice usually grow?

What is the significance of coleoptiles in rice plants?

What part of the rice plant emerges first in well-drained soil conditions?

What does the primary embryonic root do once it emerges through the coleorrhiza?

What happens in the shoot system?

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