{"id":147904,"date":"2022-04-21T17:00:26","date_gmt":"2022-04-21T11:30:26","guid":{"rendered":"https:\/\/www.aakash.ac.in\/blog\/?p=147904"},"modified":"2023-04-02T20:13:35","modified_gmt":"2023-04-02T14:43:35","slug":"food-chain-class-10-biology-important-questions-cbse-term-2-exams","status":"publish","type":"post","link":"https:\/\/www.aakash.ac.in\/blog\/food-chain-class-10-biology-important-questions-cbse-term-2-exams\/","title":{"rendered":"Food Chain – Class 10 Biology: Important Questions CBSE Term 2 Exams"},"content":{"rendered":"

Each plant and animal present on the earth is dependent on some other plant or animal species to some level for survival. No matter how big or small they are, it shows the interdependence of each organism. It could be bees collecting pollen from a blossom, plant photosynthesis, deer eating shrub leaves, or lions devouring the deer. It is what a food chain is!<\/span><\/p>\n

A food chain is a linear sequence representing how one organism is dependent on another organism. It reflects the consumption pattern of organisms for food. It is a sequence through which energy and matter are transmitted from organism to organism in the form of food. It represents organisms’ cooperation and interdependence for nourishment and survival. In an ecosystem, the complexity and length of a food chain vary substantially.\u00a0<\/span><\/p>\n

From the perspective of the CBSE class 10 Biology board exams, the “Food Chain” is an important topic. Students must refer to <\/span>NCERT Solutions for Class 10 Science<\/span><\/a> for further reference. So, let’s go over some important questions from this topic!<\/span><\/p>\n

What is a Food Chain?<\/h3>\n

A food chain represents a series of organisms transporting nutrients and energy in the way of food from one organism to another. The food chain depicts who consumes whom in an environment to ensure existence. The food chain forms a route to transfer back energy into an ecosystem. The’ Producers’ create the energy, which is then transported to the ‘Consumers’ and finally to the ‘Decomposers.’<\/span><\/p>\n\n\n\n
Did You Know?\u00a0<\/b><\/p>\n

All food chains start with green plants. Thus, green plants are the ultimate producers of the food chain.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Examples of Food Chains<\/h3>\n

There are numerous food chains in the ecosystem. Let’s look at some common examples of the food chain from the bottom-up direction:<\/span><\/p>\n

Forest Food Chain<\/h3>\n

Plants and trees are the primary producers in a forest’s ecosystem. Plants are eaten up by deer, while predators such as a tiger depend on deer.<\/span><\/p>\n

PLANTS \u2192 DEER \u2192 TIGER<\/span><\/p>\n

Grassland Food Chain<\/h3>\n

In a grassland, grass makes its food with the help of light energy from the sun. A grasshopper eats grass, and a frog eats grasshoppers. A snake then hunts a frog, and an eagle hunts a snake.<\/span><\/p>\n

GRASS \u2192 GRASSHOPPER \u2192 FROG \u2192 SNAKE \u2192 EAGLE<\/span><\/p>\n

Pond Food Chain<\/h3>\n

The algae or aquatic plants are the producers in ponds, eaten by small fishes and insects. These little insects or fish serve as food for larger fish. Following that, larger fish will be consumed by fish-eating birds or animals, forming a chain.<\/span><\/p>\n

ALGAE or AQUATIC PLANTS \u2192 SMALL FISH \u2192 LARGER FISH \u2192 BIRDS or ANIMALS<\/span><\/p>\n\n\n\n
Curiously Enough<\/b><\/p>\n

In an ecosystem, the food chain represents a unidirectional transfer of substance and energy in the form of food from one species to another. Because most species feed more than one type of animal or plant, food chains interconnect locally to form a food web. The main source of food, plants, use photosynthesis to transform solar energy into food. Use <\/span>NCERT Solutions for Class 10 Science <\/span><\/a>for further assistance!<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

What are the Types of Food Chains?<\/h3>\n

Food Chains are categorized into ‘Detritus Food Chains’ and ‘Grazing Food Chains.’ Let’s go over the specifics from the bottom-up direction:<\/span><\/p>\n

Detritus Food Chains<\/h3>\n

The detritus food chain starts from dead organic produce. Such a food chain includes organisms like algae, bacteria, insects, fungus, mites, protozoa, worms, and other creatures and plants. The decomposers are present at the bottom of the food chain. Fungi, bacteria, protozoans, and other organisms are the principal consumers (detritivores), which transfer energy to larger species such as mice. The larger carnivores, such as frogs and snakes, are the secondary consumers. Following that, larger organisms feed on them, becoming a component of the food cycle.<\/span><\/p>\n

Grazing Food Chains<\/h3>\n

The grazing food chain begins with green plants, the ultimate producers. The food cycle then continues through herbivores to predators. At the lowest level of the grazing food chain, the green plants acquire energy through photosynthesis.<\/span><\/p>\n

The first energy transmission in this type of food chain flows from plants to herbivores. This food chain is based on energy transfer from photosynthetic organisms (autotrophs) to herbivores. Because autotrophs are the foundation of all ecosystems on earth, this food chain is mostly followed by the environment.<\/span><\/p>\n

What is a Trophic Level?<\/h3>\n

A trophic level is defined as each level or step of a food chain. Autotrophs, or producers, are the first trophic levels in any food chain. Next to them are the primary and secondary consumers. The last trophic level is the decomposers. These tropic levels of a food chain help comprehend the energy transfer at different levels in the food chain. Students can further take help from <\/span>NCERT Solutions for Class 10<\/a> Science <\/span>for comprehending this topic.<\/span><\/p>\n

Producers:<\/b> Producers (green plants) are organisms that make their food through photosynthesis. Producers include all green plants and a few other species. Here the green plants convert solar energy into various essential nutrients. The producers are often referred to as autotrophs because they synthesise their food with the help of sunlight. Producers are always at the top of any food chain.<\/span><\/p>\n

Consumers:<\/b> Consumers are the ultimate organisms that rely on producers (green plants or other autotrophic species) for their nourishment. Herbivores are the principal consumers of green plants. Following that, carnivores consume herbivores, parasites that exist on other creatures by sucking nutrients from the host, and vultures, which are animals that feed on dead animals.<\/span><\/p>\n

Decomposers:<\/b> Decomposers are organisms, like vultures, that obtain essential nutrition for survival from dead and decaying organic substances. Decomposers are the final trophic level of any food chain. They transform organic compounds into inorganic compounds, then used to feed green plants.<\/span><\/p>\n

What is a Food Web?<\/b><\/p>\n

There are various food chains in an ecosystem. A food web is made up of several interrelated food chains. An organism in an ecosystem can be fed to many other organisms while also being a predator to several other organisms. As a result, several trophic levels become intertwined, generating a complicated food web.<\/span><\/p>\n

Explain the Flow (Transfer) of Energy in an Ecosystem.<\/h3>\n