Crop Science Pre-Test

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Questions and Answers

Which of the following is an example of a cereal crop?

  • Wheat (correct)
  • Peanut
  • Cornicks
  • Apple

Which crop is an example of a monocot?

  • Solanum tomato
  • Malus domestica
  • Glycine max
  • Zea mays (correct)

Explain the role of chlorophyll in plants.

It absorbs light energy for photosynthesis.

Which statement best describes the function of phloem tissue?

<p>It transports sugars. (A)</p> Signup and view all the answers

Which soil horizon is known as the topsoil?

<p>A horizon (A)</p> Signup and view all the answers

Evaluate the impact of removing the apical meristem on a plant's growth.

<p>The plant will stop growing taller. (A)</p> Signup and view all the answers

Which of the following crops is classified as a tuber?

<p>Potato (B)</p> Signup and view all the answers

If you cross a plant with genotype AaBb with a plant with genotype AABB, what is the expected genotype ratio of the offspring?

<p>1:1:1:1 (B)</p> Signup and view all the answers

What percentage of the Philippine GDP was contributed by agriculture from 2009 to 2019?

<p>8.82% (D)</p> Signup and view all the answers

Which crop is commonly known as the 'miracle rice'?

<p>IR8 (D)</p> Signup and view all the answers

Which GMO crop is engineered to produce beta-carotene, aimed at addressing Vitamin A deficiency?

<p>Healthy Rice (B)</p> Signup and view all the answers

Which banana variety is most extensively cultivated for export in the Philippines?

<p>Cavendish (D)</p> Signup and view all the answers

The flow of energy in an ecosystem typically starts with:

<p>Primary producers (C)</p> Signup and view all the answers

Which type of plant movement is triggered by light?

<p>Phototropism (D)</p> Signup and view all the answers

The Law of the Minimum states that:

<p>Yield is proportional to the amount of the most limiting nutrient. (A)</p> Signup and view all the answers

Which organization celebrated the Supreme Court decision as a win for farmers and environmental health?

<p>Greenpeace Southeast Asia (D)</p> Signup and view all the answers

Flashcards

Cereal crop

A type of plant that produces edible grains, like wheat, rice, and corn.

Monocot

A plant with one cotyledon (seed leaf) in its embryo. Examples include rice, wheat, and corn.

Chlorophyll

A green pigment found in plants that captures light energy for photosynthesis.

Phloem

Plant tissue responsible for transporting sugars (food) from leaves to other parts of the plant.

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Topsoil

The top layer of soil, rich in organic matter and nutrients, essential for plant growth.

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Apical meristem

The tip of a shoot that controls vertical growth in plants.

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Tuber

An underground storage organ of some plants, like potatoes, that serves as a food reserve.

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Genotype

A plant's genetic makeup, represented by letters.

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Genotype ratio

A measure of the proportion of different genotypes in the offspring.

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Agricultural GDP

The contribution of the agricultural sector to the total value of goods and services produced in a country.

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IR8

A high-yielding rice variety developed in the Philippines, known for its increased production.

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Healthy Rice

A genetically modified rice variety enriched with beta-carotene (vitamin A precursor).

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Cavendish banana

A variety of banana extensively cultivated for export.

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Primary producers

Organisms that can produce their own food through photosynthesis.

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Phototropism

The directional growth of a plant in response to light.

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Law of the Minimum

A principle stating that plant growth is limited by the nutrient in shortest supply.

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Study Notes

Exam Preparation Tips

  • Understand the exam format, including number of questions and time limit.
  • Ensure a reliable internet connection and appropriate device (computer, laptop, tablet).
  • Select a quiet, distraction-free environment for optimal focus.
  • Gather necessary materials (e.g., pen, scratch paper).
  • Familiarize yourself with the exam platform and navigation options.

Crop Science Questions and Concepts

  • Example of a cereal crop includes Wheat.
  • A monocot is exemplified by Zea mays (corn).
  • Chlorophyll plays a crucial role by absorbing light energy for photosynthesis.
  • Phloem tissue functions primarily to transport sugars throughout the plant.
  • The topsoil is identified as the A horizon in soil layers.
  • Removing the apical meristem stops the plant from growing taller.
  • A biological tuber is represented by the Potato.
  • Crossing plant genotypes AaBb and AABB yields a ratio of seedlings, specifically 1:1:1:1.
  • From 2009 to 2019, agriculture contributed 8.82% to the Philippine GDP.
  • IR8 rice is often referred to as "miracle rice."
  • A GMO crop designed to produce beta-carotene targeting Vitamin A deficiency is Healthy Rice.
  • The most widely exported banana variety in the Philippines is the Cavendish.
  • Energy flow in ecosystems begins with primary producers.
  • Phototropism is a plant movement triggered by light exposure.
  • The Law of the Minimum indicates that crop yield is influenced by the most limiting nutrient.
  • Greenpeace Southeast Asia celebrated a Supreme Court decision favoring farmers and environmental health.

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