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Weeds and Rice Yield

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Questions and Answers

What is the primary way weeds affect rice yields?

By altering soil pH

By damaging rice plants directly

By attracting pests that target rice

By competing with rice plants for resources (correct)

Which of the following resources do weeds compete with rice plants for?

Air humidity

Soil moisture

Soil temperature

Space, sunlight, and soil nutrients (correct)

What is the ultimate consequence of weeds in rice fields?

Reduced rice yields (correct)

Increased rice yields

Improved soil health

Decreased pest populations

What is the primary mechanism by which weeds impact rice plants?

By competing for resources (C) Signup and view all the answers

What is the specific consequence of weeds competing with rice plants for resources?

Reduced rice yields (B) Signup and view all the answers

Weeds are typically more problematic in which type of rice paddies?

Upland and direct seeded wet land (D) Signup and view all the answers

What role do weeds play in relation to insect pests and diseases?

They serve as alternate hosts of insect pests and diseases (D) Signup and view all the answers

What is the common characteristic of weeds that distinguishes them from other plants?

They grow in places where they are not wanted (A) Signup and view all the answers

What is a primary consequence of weeds competing with rice plants for resources?

Rice yields are reduced (A) Signup and view all the answers

What is the relationship between weeds and rice plants?

Weeds compete with rice plants (B) Signup and view all the answers