The Exciting World Of Plant Pathology Quiz!

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| By Graeme Kettles

Graeme Kettles

Community Contributor

Quizzes Created: 1 | Total Attempts: 64

Questions: 5 | Attempts: 69 | Updated: Mar 20, 2023

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Questions and Answers

1.

By 2100, the world population is predicted to be?
- A.
  
  10.9 million
- B.
  
  10.9 billion
- C.
  
  109 billion
- D.
  
  3 billion
Correct Answer
B. 10.9 billion

Explanation
The correct answer is 10.9 billion because population projections indicate that the world population will continue to increase in the coming decades. This growth is primarily driven by factors such as improved healthcare, increased life expectancy, and declining infant mortality rates. Therefore, it is reasonable to predict that by 2100, the world population will reach 10.9 billion.

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2.

In the 20th century, global food production increased primarily due to the effect of which event?
- A.
  
  October revolution
- B.
  
  Industrial revolution
- C.
  
  World War 2
- D.
  
  Green revolution
Correct Answer
D. Green revolution

Explanation
The Green Revolution is the correct answer because it refers to a period of significant agricultural advancements and increased food production that occurred in the mid-20th century. It involved the development and adoption of high-yielding crop varieties, the use of modern agricultural techniques, and the introduction of synthetic fertilizers and pesticides. These advancements helped to increase crop yields and improve food production, particularly in developing countries. The Green Revolution played a crucial role in addressing food shortages and improving global food security during the 20th century.

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3.

For many crops, yields are...
- A.
  
  Increasing
- B.
  
  Decreasing
- C.
  
  Plateaued
- D.
  
  Changing randomly every year
Correct Answer
C. Plateaued

Explanation
The correct answer is "Plateaued." This means that the yields of many crops have reached a stable level and are no longer increasing or decreasing significantly. This suggests that there may be limitations or constraints on the growth and productivity of these crops, such as environmental factors, soil conditions, or farming practices. It is important to monitor and address these limitations to ensure sustainable agricultural production.

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4.

Plant pathogens can cause significant losses to crop productivity?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Plant pathogens are microorganisms that can infect plants and cause diseases. These pathogens can include fungi, bacteria, viruses, and nematodes. When plants are infected, they can experience reduced growth, yield losses, and even death in severe cases. This can result in significant losses to crop productivity, affecting both the quantity and quality of the harvest. Therefore, the statement that plant pathogens can cause significant losses to crop productivity is true.

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5.

Plants can recognise invading pathogens through the activity of which type of protein?
- A.
  
  Sensor proteins
- B.
  
  Resistance proteins
- C.
  
  Surveillance proteins
- D.
  
  Helper proteins
Correct Answer
B. Resistance proteins

Explanation
Resistance proteins are involved in the recognition of invading pathogens in plants. These proteins play a crucial role in the plant's immune response by detecting specific molecules or proteins produced by the pathogens. Once recognized, resistance proteins trigger a series of defense mechanisms to protect the plant from further infection. Therefore, resistance proteins are responsible for the plant's ability to recognize and respond to invading pathogens.

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Current Version
Mar 20, 2023

Quiz Edited by
ProProfs Editorial Team
May 25, 2020

Quiz Created by
Graeme Kettles

The Exciting World Of Plant Pathology Quiz!

By 2100, the world population is predicted to be?

In the 20th century, global food production increased primarily due to the effect of which event?

For many crops, yields are...

Plant pathogens can cause significant losses to crop productivity?

Plants can recognise invading pathogens through the activity of which type of protein?