Ch 1; heterotrophic nutrition
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Here are the answers: (i) Cuscuta (ii) Venus flytrap (iii) Algae (iv) Rhizobium bacteria (v) Lichens Essential conditions for fungi to grow: Moisture and organic matter/substrate for fungi to break down and absorb nutrients.
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Nutrition in plants (class vii)
Plants and some bacteria are autotrophs, meaning they can produce their own food using photosynthesis. During photosynthesis, autotrophs use carbon dioxide, water, and energy from sunlight to produce oxygen and carbohydrates like glucose. These carbohydrates provide energy and nutrients for the autotroph. Animals and other organisms are heterotrophs because they cannot produce their own food and rely on autotrophs or other organisms for nutrients. Heterotrophs obtain nutrients by eating autotrophs and other organisms. Humans and other animals eat food to get nutrients and energy from carbohydrates, fats, proteins, vitamins, and minerals which are used to power life processes and allow growth.
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Green plants can produce their own food through the process of photosynthesis using carbon dioxide, water, sunlight, and chlorophyll. They are autotrophic. Other plants and organisms obtain nutrition from other sources - heterotrophic plants may be parasitic, drawing nutrients from a host plant, saprophytic and feeding on dead and decaying matter, or insectivorous like pitcher plants which trap and digest insects. Some plants have symbiotic relationships where both partners benefit from exchange of nutrients.
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Plants obtain nutrition through various modes including autotrophic, heterotrophic, and saprotrophic nutrition. Autotrophic nutrition, which is found in green plants, involves plants making their own food through photosynthesis. During photosynthesis, green plants such as leaves use carbon dioxide, water, and sunlight to produce carbohydrates and release oxygen. Some non-green plants rely on heterotrophic nutrition and obtain nutrients from other living organisms. Saprotrophic plants get nutrients from decaying organic matter. Symbiotic relationships also provide nutrition, such as rhizobium bacteria living in root nodules of legumes that provide nitrogen to the plant in exchange for shelter and food.
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1. Nutrients like carbohydrates, fats, proteins, vitamins, and minerals are components of food that help living organisms build their bodies, grow, repair damage, and provide energy for life processes.
2. There are two main modes of nutrition - autotrophic nutrition where organisms can produce their own food (like plants), and heterotrophic nutrition where organisms obtain food directly or indirectly from plants.
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There are two types of organisms: autotrophs and heterotrophs. Autotrophs can produce their own food through photosynthesis using carbon dioxide, water, soil, sunlight, and chlorophyll. Plants are autotrophs. Some plants lack chlorophyll and must get nutrition from other plants, making them heterotrophs. Examples of heterotrophic nutrition in plants include parasites like Cuscuta that live on a host, insectivores like pitcher plants that trap and digest insects, and saprophytes like fungi that get nutrients from dead and decaying plants. Some relationships, like that between crops and the Rhizobium bacteria that provide nitrogen in exchange for shelter and food, are examples of symbiosis
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Nutrition in plants can occur through two main modes: autotrophic and heterotrophic nutrition. Autotrophic nutrition involves plants producing their own food through the process of photosynthesis using carbon dioxide, water and sunlight. Heterotrophic nutrition involves plants that cannot produce their own food and instead rely on other organisms for nutrition, such as parasitic plants that derive nutrients from a host plant, or saprotrophic fungi that break down dead and decaying matter.
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Green plants can produce their own food through the process of photosynthesis using carbon dioxide, water, sunlight, and chlorophyll. They are autotrophic. Other plants and organisms obtain nutrition from other sources - heterotrophic plants may be parasitic, drawing nutrients from a host plant, saprophytic and feeding on dead and decaying matter, or insectivorous like pitcher plants which trap and digest insects. Some plants have symbiotic relationships where both partners benefit from exchange of nutrients.
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1. Nutrients like carbohydrates, fats, proteins, vitamins, and minerals are components of food that help living organisms build their bodies, grow, repair damage, and provide energy for life processes.
2. There are two main modes of nutrition - autotrophic nutrition where organisms can produce their own food (like plants), and heterotrophic nutrition where organisms obtain food directly or indirectly from plants.
3. Photosynthesis is the process by which plants produce their own food, using sunlight, water, carbon dioxide, and chlorophyll to produce carbohydrates and oxygen through reactions in the leaves.
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There are two types of organisms: autotrophs and heterotrophs. Autotrophs can produce their own food through photosynthesis using carbon dioxide, water, soil, sunlight, and chlorophyll. Plants are autotrophs. Some plants lack chlorophyll and must get nutrition from other plants, making them heterotrophs. Examples of heterotrophic nutrition in plants include parasites like Cuscuta that live on a host, insectivores like pitcher plants that trap and digest insects, and saprophytes like fungi that get nutrients from dead and decaying plants. Some relationships, like that between crops and the Rhizobium bacteria that provide nitrogen in exchange for shelter and food, are examples of symbiosis
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Nutrition in plants can occur through two main modes: autotrophic and heterotrophic nutrition. Autotrophic nutrition involves plants producing their own food through the process of photosynthesis using carbon dioxide, water and sunlight. Heterotrophic nutrition involves plants that cannot produce their own food and instead rely on other organisms for nutrition, such as parasitic plants that derive nutrients from a host plant, or saprotrophic fungi that break down dead and decaying matter.
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Nutrition refers to the substances obtained by organisms from their surroundings to derive energy for maintenance and growth. There are two main types of nutrition: autotrophic nutrition, whereby plants use energy from sunlight to produce their own food, and heterotrophic nutrition, whereby organisms obtain food from other living things, such as parasitic or symbiotic plants deriving nutrients from host organisms.
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Plants are capable of producing their own food through the process of photosynthesis using carbon dioxide, water, and sunlight. Photosynthesis occurs in the chloroplasts of plant leaves and converts sunlight energy into chemical energy stored as carbohydrates. There are two main types of nutrition - autotrophic nutrition where organisms produce their own food, and heterotrophic nutrition where organisms obtain food directly or indirectly from plants. Some plants lacking chlorophyll are heterotrophic and obtain nutrients through parasitism, trapping insects, decomposing organic matter, or symbiotic relationships.
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Chapter - 1, Nutrition in Plants, Science, Class 7
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Chapter 1 - Nutrition in Plants, Science, Class 7
INTRODUCTION
NUTRIENTS
MODE OF NUTRITION
CELLS IN LIVING ORGANISMS
SINGLE AND MULTI - CELLULAR ORGANISMS
HOW DO PLANTS PREPARE THEIR FOOD?
PROCESS OF PHOTOSYNTHESIS
ULTIMATE SOURCE OF ENERGY FOR ALL LIVING ORGANISMS
HOW DO PLANTS GENERATE PROTEINS AND FATS
OTHER MODES OF NUTRITION
PARASITIC MODE OF NUTRITION
INSECTIVOROUS MODE OF NUTRITION
SAPROPHYTIC MODE OF NUTRITION
SYMBIOTIC MODE OF NUTRITION
REPLENISHING THE SOIL WITH NUTRIENTS
Every topic of this chapter is well written concisely and visuals will help you in understanding and imagining the practicality of all the topics.
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Nutrition in plants, Class- VII, NCERT Based
The document discusses nutrition in plants and describes:
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This document summarizes nutrition in plants. It discusses photosynthesis occurring in chloroplasts in plant leaves. It describes heterotrophic plants that cannot produce their own food, including parasites that live on hosts, insectivorous plants that trap insects, and saprotrophs that feed on dead matter. Symbiotic plants have a mutually beneficial relationship with algae. Parasites harm hosts while symbiotic relationships benefit both organisms. Nutrition modes in plants are summarized in a flowchart.
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1) Photosynthesis is the process by which plants produce their own food, using carbon dioxide, water, and sunlight as raw materials. Chlorophyll in the leaves captures energy from sunlight and transforms it into chemical energy stored in carbohydrates.
2) The key conditions for photosynthesis are sunlight, chlorophyll, carbon dioxide, water, and a suitable temperature. Carbon dioxide enters the plant through stomata, and water and minerals are absorbed from the soil.
3) Guard cells play an important role in gas exchange by regulating the opening and closing of stomata, allowing carbon dioxide to enter while minimizing water loss. Photosynthesis is essential as it provides food for plants and oxygen for other organisms.
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Plants are able to produce their own food through the process of photosynthesis, which occurs in their leaves. During photosynthesis, leaves use carbon dioxide, water, sunlight, and chlorophyll to produce carbohydrates from simple raw materials. This process allows plants to be autotrophic, unlike animals which must obtain food from other organisms. Photosynthesis is vital as it produces oxygen and feeds the rest of the world.
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The document discusses different modes of nutrition including autotrophic, heterotrophic, parasitic, and saprotrophic. Autotrophs like plants can produce their own food through photosynthesis using carbon dioxide, water, and sunlight. Heterotrophs like animals obtain ready-made food from other organisms. Some plants are parasitic and obtain nutrients from other living hosts. Saprotrophs get nutrients by breaking down dead and decaying matter. Symbiotic relationships allow different organisms to live together and share shelter and nutrients.
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Nutrition refers to the substances obtained by organisms from their surroundings to derive energy for maintenance and growth. There are two main types of nutrition: autotrophic nutrition, whereby plants use energy from sunlight to produce their own food, and heterotrophic nutrition, whereby organisms obtain food from other living things, such as parasitic or symbiotic plants deriving nutrients from host organisms.
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Plants are capable of producing their own food through the process of photosynthesis using carbon dioxide, water, and sunlight. Photosynthesis occurs in the chloroplasts of plant leaves and converts sunlight energy into chemical energy stored as carbohydrates. There are two main types of nutrition - autotrophic nutrition where organisms produce their own food, and heterotrophic nutrition where organisms obtain food directly or indirectly from plants. Some plants lacking chlorophyll are heterotrophic and obtain nutrients through parasitism, trapping insects, decomposing organic matter, or symbiotic relationships.
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Ignited Minds CBSE tuition classes
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Mode of Nutrition in Plants
What are the different mode of nutrition of Plants?
prepared by Arnab Bashistha,!st Sem,Bajali College'14
Chapter - 1, Nutrition in Plants, Science, Class 7
I have expertise in making educational and other PPTs. Email me for more PPTs at a very reasonable price that perfectly fits in your budget.
Email: parmarshivam105@gmail.com
Chapter 1 - Nutrition in Plants, Science, Class 7
INTRODUCTION
NUTRIENTS
MODE OF NUTRITION
CELLS IN LIVING ORGANISMS
SINGLE AND MULTI - CELLULAR ORGANISMS
HOW DO PLANTS PREPARE THEIR FOOD?
PROCESS OF PHOTOSYNTHESIS
ULTIMATE SOURCE OF ENERGY FOR ALL LIVING ORGANISMS
HOW DO PLANTS GENERATE PROTEINS AND FATS
OTHER MODES OF NUTRITION
PARASITIC MODE OF NUTRITION
INSECTIVOROUS MODE OF NUTRITION
SAPROPHYTIC MODE OF NUTRITION
SYMBIOTIC MODE OF NUTRITION
REPLENISHING THE SOIL WITH NUTRIENTS
Every topic of this chapter is well written concisely and visuals will help you in understanding and imagining the practicality of all the topics.
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The document discusses nutrition in plants and describes:
1. The school and teacher providing the content on plant nutrition for class 7 students.
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This document summarizes nutrition in plants. It discusses photosynthesis occurring in chloroplasts in plant leaves. It describes heterotrophic plants that cannot produce their own food, including parasites that live on hosts, insectivorous plants that trap insects, and saprotrophs that feed on dead matter. Symbiotic plants have a mutually beneficial relationship with algae. Parasites harm hosts while symbiotic relationships benefit both organisms. Nutrition modes in plants are summarized in a flowchart.
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1) Photosynthesis is the process by which plants produce their own food, using carbon dioxide, water, and sunlight as raw materials. Chlorophyll in the leaves captures energy from sunlight and transforms it into chemical energy stored in carbohydrates.
2) The key conditions for photosynthesis are sunlight, chlorophyll, carbon dioxide, water, and a suitable temperature. Carbon dioxide enters the plant through stomata, and water and minerals are absorbed from the soil.
3) Guard cells play an important role in gas exchange by regulating the opening and closing of stomata, allowing carbon dioxide to enter while minimizing water loss. Photosynthesis is essential as it provides food for plants and oxygen for other organisms.
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The document summarizes the four types of heterotrophic plants: parasitic plants absorb food from other host plants, saprophytic plants derive nutrients from decaying material, insectivorous plants trap and consume insects to gain nutrients, and symbiotic plants live in association with other species and share food resources mutually.
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Nutrition is the process by which organisms obtain and use nutrients to maintain life. There are two main modes of nutrition - autotrophic nutrition where organisms produce their own food through photosynthesis or chemical reactions, and heterotrophic nutrition where organisms obtain organic food from other sources. Saprophytic nutrition is a type of heterotrophic nutrition where organisms feed on dead and decaying matter through extracellular digestion using enzymes. Examples of saprophytes include fungi and bacteria that play an important role in nutrient recycling in ecosystems.
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Plants are able to produce their own food through the process of photosynthesis, which occurs in their leaves. During photosynthesis, leaves use carbon dioxide, water, sunlight, and chlorophyll to produce carbohydrates from simple raw materials. This process allows plants to be autotrophic, unlike animals which must obtain food from other organisms. Photosynthesis is vital as it produces oxygen and feeds the rest of the world.
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Hey everyone, I am a student, Aanya Bhatnagar and I can understand that from which type of ppt will we understand the concept. I have tried very much!
Hope you like it!
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Heterotrophic nutrition involves ingestion, digestion, absorption, assimilation, and egestion. Food is ingested, broken down through digestion using enzymes, absorbed and transported to cells, converted into living tissue through assimilation, and undigested waste is egested. Autotrophs like plants can produce their own food through photosynthesis, while heterotrophs rely on other organisms for nutrients and organic compounds.
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This document discusses different types of plant nutrition and classification. It begins by classifying plants based on their nutrition into heterotrophic, autotrophic, and saprophytic. It then describes each type in more detail. Autotrophic plants perform photosynthesis and obtain their energy from sunlight, while heterotrophic plants obtain nutrients by consuming other organisms or dead matter. Some examples of heterotrophic plants given are insectivorous and parasitic plants. The document also discusses symbiotic relationships between plants and bacteria that allow for biological nitrogen fixation.
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The document discusses the basic needs of humans and plants. For humans, the basic needs are food, water, air, and shelter, which are all necessary for survival. For plants, the basic needs are sunlight, water, nutrients from the soil, and air, with sunlight being essential for photosynthesis and oxygen being released through respiration.
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Photosynthesis is the process by which plants produce their own food from carbon dioxide and water, using energy from sunlight. It can be summarized by the word equation: carbon dioxide + water → glucose + oxygen. The chemical equation is: 6CO2 + 6H2O + energy (light) → C6H12O6 (glucose) + 6O2. Photosynthesis occurs in chloroplasts and is essential because it produces oxygen and food/fuel for all living things on Earth.
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The presentation discusses different types of heterotrophic plants including parasitic, saprophytic, insectivorous, and symbiotic plants. Parasitic plants obtain nutrients from host plants, saprophytic plants absorb nutrients from dead organic matter, insectivorous plants trap and digest insects, and symbiotic plants have mutualistic relationships where both organisms benefit from the exchange of nutrients. Specific examples are provided for each plant type like mistletoe and cuscuta as parasitic plants, Indian pipe and coral root as saprophytic plants, pitcher plants and sundews as insectivorous plants, and lichens and legume root nodules as symbiotic associations.
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Plants are autotrophs that produce their own food through the process of photosynthesis using carbon dioxide, water, and sunlight. Photosynthesis produces carbohydrates from carbon dioxide and water and releases oxygen and water vapor as byproducts. Heterotrophs like animals and humans rely on autotrophs for food. Parasites feed on living hosts while saprotrophs feed on dead and decaying organic matter through extracellular digestion. Some organisms have symbiotic relationships where both partners benefit from living together, like lichen and rhizobium bacteria that lives in plant roots.
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Nutrition is the process by which organisms obtain food necessary for growth, survival, and health. There are two main types of organisms based on how they obtain nutrients - autotrophs and heterotrophs. Autotrophs, like plants, can produce their own food through photosynthesis using sunlight, water, and carbon dioxide to produce carbohydrates, oxygen, and energy. Heterotrophs cannot produce their own food and obtain nutrients by consuming other organisms through various modes like saprotrophic, parasitic, and holozoic nutrition. Plants obtain nutrients through their roots, stems, and leaves and store food primarily as starch.
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INTERACTIONS :Interaction is relationship between two organisms.
Also called as BIOLOGICAL OR ECOLOGICAL INTERACTIONS.
In a ecosystem, living (biotic) things have to interact with one another as well as with non -living components of their environment.
All the vital process of living such as growth, nutrition & reproduction requires such interactions between individuals in same species or between species.
The interaction between organisms may not be always beneficial to all the interacting counter parts. Based on whether, the interaction is beneficial to both interacting species or harmful to at least one interaction species, the ecological of biological interactions are classified into two categories.
It can BENEFIT an organisms
It can HARM an organisms
It can NO EFFECT an organisms
POSTIVE INTERACTIONS
In positive interactions, the interacting populations help one another.
The positive interaction may be in one way or reciprocal.
The benefit may be in respect of food, shelter, substratum or transportation.
The positive association may be continuous, transitory, obligate or facultative.
The two interacting partners may be in close contact in such a way that the tissues intermixed with each other; or they may live within a specific area of the other; or attached to its surface.
NEGATIVE INTERACTIONS
In negative interactions, one of the interacting populations is benefited and the other is harmed.
In negative interaction one population may eat members of the other population, compete for foods or excrete harmful wasters.
SYMBIOTIC RELATIONSHIP
Such relationship between living organisms when they live in close association of each other is called as SYMBIOTIC RELATIONSHIP
Mutualism, also called as symbiosis, is also a positive type of ecological interaction.
Mutualism is a symbiotic association between two organisms in which both the interacting partners are mutually benefitted.
Mutualism is different from proto-cooperation in the sense that mutualism is obligatory and none of the partners of mutualism can survive individually.
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Ch 1; heterotrophic nutrition
- 1. HETEROTROPHIC NUTRITION There are some plants which do not have chlorophyll .They cannot synthesise their own food .Like humans and animals such plants depend on the food produced by others . 1. Parasitic plants 2.Insectivorous plants 3. saprotrophs
- 2. Thank you Made by :- Sushila Dhankhar
- 3. PARASITIC PLANTS CUSCUTA : Yellow tubular structures twining around the stem and branches of the tree . This plant is called cuscuta.
- 4. PARASITIC PLANTS • Cuscuta do not have chlorophyll . It takes ready made food from the plant on which it is climbing . The plant on which it climbs is called is a host . Since it deprives the host of nutrients , it is called parasite. This type of nutrition is called parasitic nutrition
- 5. INSECTIVOROUS PLANTS • There are few plants Growing in nitrogen deficient soils which can trap insects and digest them .such plants may be green colour or of some other colour.such insect eating plants are called insectivorous plants
- 7. INSECTIVOROUS PLANTS • Pitcher plant Venus flytrap
- 8. SAPROTROPHIC NUTRITION • The mode of nutrition in which organisms take in nutrients in solution form from dead and decaying matter is called saprotrophic nutrition. • Organisms secrete digestive juices on dead and decaying matter and convert into solution form. Ex : Fungi, some bacteria.
- 10. SYMBIOTIC RELATIONSHIP • It is a type of biological interaction between two different living organisms. That are in physical contact with each other and they provide mutual benefit to each other.This is called symbiotic relation ship.Few examples are:- • Some fungi live in roots of trees. • Lichens • Leguminous plants With rhizobium bacteria.
- 11. SYMBIOTIC RELATIONSHIP • Lichens: In Lichens a chlorophyll containing partner Which is an Alga, and a fungus live together. The fungus provides shelter water and minerals to the alga and in return alga provides food which it prepare by the process of photosynthesis.
- 12. Leguminous plants. • The bacterium called rhizobium can take atmospheric nitrogen and convert it into soluble form. But rhizobium cannot make its own food so it lives in a roots of Leguminous plants (gram, peas,moong,beans etc) and provides them with nitrogen. In return the plants provide food and shelter to the bacteria. They thus have a symbiotic relationship.
- 13. Check your Knowledge GUESS WHO AM I??? (i) I am a plant without chlorophyll and yellow in colour. (ii) I can do photosynthesis but love to eat insect. (iii) I am a slimy green patches in ponds. (iv) Found in leguminous plants root help in nitrogen fixation. (v) Name the association between algae and fungi. Write the essential conditions for fungi to grow.