Question

Explain the nutrition in plants

Answer 1

Introduction

All living organisms such as plants and animals require food. So food is essential for all living organisms.

Plants are capable of making their food themselves but humans and animals cannot.
Carbohydrates, proteins, fats, vitamins and minerals are essential components of food, these components are called nutrients.
Mode of nutrition in plants

Plants prepare their food by using raw materials like water, carbon dioxide and minerals.
The process of utilization of food by a living organism to obtain energy is called nutrition.
Autotrophs or Autotrophic: - In this mode of nutrition organisms make their food themselves from simple substances. All green plants are Autotrophs (Auto means self and trophos means nourishment)
Heterotrophs or heterophobic: - Heterotrophic organisms are those who obtain food from other organisms. Since these organisms depend on other organisms for their food, they are called consumers. All animals and non-green plants like fungi come under this category.
Photosynthesis
Photosynthesis is food making process in plants from simple substances like carbon dioxide and water in the presence of sunlight.Oxygen is released during photosynthesis.
The process of photosynthesis takes place in the green leaves of a plant.
The food is prepared by the green leaves of a plant in the form of a simple sugar called glucose.
The extra glucose is changed into another food called starch. This starch is stored in the leaves of the plant.
The green plants convert sunlight energy into chemical energy by making carbohydrates.
The conditions necessary for photosynthesis to take place are:
Sunlight
Chlorophyll
Carbon dioxide
Water
Raw materials for photosynthesis:
The raw materials for photosynthesis are:
Carbon dioxide
Water

Answer 2

The process of obtaining food and utilizing it to grow, stay healthy and repair any damaged body part is known as nutrition

• The study of the chemical elements and compounds required for plant development, metabolism, and external supply is known as plant nutrition.

• Carbon, oxygen, and hydrogen are key plant nutrients that are received from the air, but other elements, such as nitrogen, are normally obtained from the soil (exceptions include some parasitic or carnivorous plants).

The following mineral nutrients must be obtained by plants from their growing medium such as nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sulfur (S), magnesium (Mg)the micronutrients (or trace minerals): boron (B), chlorine (Cl), manganese (Mn), iron (Fe), zinc (Zn), copper (Cu), molybdenum (Mo), nickel (Ni). and cobalt (Co)

The macronutrients are consumed in greater quantities; on a dry matter weight basis, hydrogen, oxygen, nitrogen, and carbon account for nearly 95% of a plant's total biomass. Plant tissue contains micronutrients in parts per million (ppm) amounts ranging from 0.1 to 200 ppm, or less than 0.02 percent dry weight.

Modes Of Nutrition

Plants produce their food by taking raw materials from their surroundings, such as minerals, carbon dioxide, water and sunlight

• Autotrophic - Autotrophic nutrition is exhibited by plants, which are referred to as primary producers. Light, carbon dioxide, and water are used by plants to synthesize their food.
• Heterotrophic - Both animals and humans are heterotrophs, meaning they depend on plants for nourishment.

#SPJ6