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Chapter 26: Problem 18

Plants are a source of _________. a. food b. fuel c. medicine d. all of the above

Short Answer

Expert verified
d. all of the above

Step by step solution

01

Understand the Question

The question is asking what plants can be a source of. Various options are provided to choose from.
02

Examine Each Option

Look at each of the given options:- Option a: Food - Plants are a known source of food for humans and animals.- Option b: Fuel - Plants can be a source of fuel, such as wood and biofuels.- Option c: Medicine - Plants are used to create numerous medicines.- Option d: All of the above - This suggests that plants can be a source of food, fuel, and medicine.
03

Verify Against the Knowledge

Verify each statement:- Plants provide fruits, vegetables, grains, etc., which are all food.- Wood, a plant product, is used as fuel, and plants are also used for biofuels.- Many medicines are derived from plants.All the individual statements are true, thus implying option d encompasses all.
04

Choose the Correct Option

Based on the analysis, the correct answer is option d, as it includes all the correct specifics.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Food Sources
Plants play a crucial role in providing food for both humans and animals.
They are essential for our survival as they offer a vast array of nutrients.
Here are some key points on how plants serve as food sources:

  • Fruits and Vegetables: These provide vitamins, minerals, and fibers.
  • Grains: Plants such as wheat, rice, and corn are staple foods around the world.
  • Nuts and Seeds: They offer healthy fats and proteins.
  • Legumes: Beans and lentils are great protein sources, especially for vegetarians and vegans.

All these varieties contribute to a balanced diet and help maintain our health.
Biofuels
Plants are also an important source of biofuels, which are renewable energy sources.
Biofuels are derived from biomass and can be an alternative to fossil fuels.
Here are the primary types and benefits:

  • Ethanol: Made from crops like corn and sugarcane, it's used to fuel vehicles.
  • Biodiesel: Produced from vegetable oils and animal fats, it can power diesel engines.
  • Biogas: Generated through the decomposition of organic matter, it is used for heating and electricity.

The use of biofuels reduces greenhouse gas emissions and helps in combating climate change.
Medicinal Plants
Medicinal plants have been used for centuries to treat various ailments.
They form the basis of many traditional and modern medicines.
Here are some significant benefits:
  • Aloe Vera: Known for its healing properties, it treats burns and skin conditions.
  • Ginger: Used to relieve nausea and improve digestion.
  • Willow Bark: Historically used to reduce fever and pain, it led to the discovery of aspirin.
  • Ginseng: Helps boost energy and reduce stress.

Plants continue to be a vital source for medical research and pharmaceutical developments.

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Most popular questions from this chapter

Which of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is the longest phase of the life cycle.

. In the northern forests of Siberia, a tall tree is most likely a: a. conifer b. cycad c. Ginkgo biloba d. gnetophyte

What are the two structures that allow angiosperms to be the dominant form of plant life in most terrestrial ecosystems?

In the course of double fertilization, one sperm cell fuses with the egg and the second one fuses with _________. a. the synergids b. the polar nuclei of the center cell c. the egg as well d. the antipodal cells

What role did the adaptations of seed and pollen play in the development and expansion of seed plants?
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