Question

1) Answer the following.
1) Define nutrition.
2) Why plants are called as unique organisms?
3) How water is available for land plants?
4) Differentiate between organic and inorganic nutrients.
5) Write three criteria for a element to be considered as essentials.
6) Differentiate between micro and macro nutrients with examples,
7) Define autotrophs.
8) What do you mean by Photoautotrophs ?
9) Why are autotrophs extremely important for the ecosystem?
10) Explain in brief how the plant meets the requirements for photosynthesis with a
neat labelled diagram.​

Answer 1

Answer:

1). Nutrition is about eating a healthy and balanced diet. Food and drink provide the energy and nutrients you need to be healthy. Understanding these nutrition terms may make it easier for you to make better food choices. Find more definitions on Fitness | General Health | Minerals | Nutrition | Vitamins

2).Plants, protists, fungi, and animals all have eukaryotic cells. Plant cells are distinguished by their cell walls containing cellulose, chloroplasts that perform photosynthesis, and a large central vacuole that holds water and keeps the plant turgid

3). Essentially all of the water used by land plants is absorbed from the soil by roots. ... Fine roots can be covered by root hairs that significantly increase the absorptive surface area and improve contact between roots and the soil

4).The nutrients that contain carbon in their structural makeup are referred to as organic nutrients, whereas those that do not contain carbon are called inorganic nutrients. Therefore, the organic nutrients are carbohydrates, lipids, proteins and vitamins. ... The inorganic nutrients are water and minerals.

5).For an element to be regarded as essential, three criteria are required:

• a plant cannot complete its life cycle without the element.
• a plant cannot complete its life cycle without the element.no other element can perform the function of the element.
• a plant cannot complete its life cycle without the element.no other element can perform the function of the element.the element is directly involved in plant nutrition

6).Micronutrients are the vitamins and minerals that our bodies need each day in order to properly function. Unlike macronutrients (carbohydrates, proteins and fats) which are needed in large amounts, micronutrients are only required in small amounts, hence the appropriate name

7)autotroph. [ ô′tə-trŏf′ ] An organism that manufactures its own food from inorganic substances, such as carbon dioxide and ammonia. Most autotrophs, such as green plants, certain algae, and photosynthetic bacteria, use light for energy

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