Environment and feeding relationship – General Science MCQs class 7

Class 7 General Science, Chapter # 4, MCQs with answers 

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  1. The basic functional unit of an environment: 
  • Ecosystem 
  • food
  • Reproduce 
  • Green plants
  1.  _____ is the study of the relationship of living organisms with their environment.
  • Biology
  • Ecology
  • Botany 
  • Zoology 
  1. Each ecosystem has _____ components.
  • five
  • three
  • two
  • four 
  1. _____ Plants obtain nutrients from the soil and Carbon dioxide from the air.
  • roots
  • stem
  • water
  • air
  1. Producers, consumers and decomposers are:
  • Abiotic components 
  • Secondary components
  • Primary consumers
  • Biotic components 
  1. Producers include all the 
  • Green plants
  • Animals 
  • Birds 
  • Human beings
  1. _____ are animals feeding on producers and other animals for their food.
  • Producers 
  • Decomposers 
  • Microbes 
  • Consumers 
  1. _____ include herbivores, carnivores and omnivores.
  • Consumers 
  • Decomposers 
  • Microbes 
  • Producers 
  1.  ______ are primary consumers and depend directly on plants for their survival. 
  • Carnivores 
  • Omnivores 
  • Herbivores 
  • Producers 
  1. ______ are secondary consumers feeding on primary consumers and get food from other animals. 
  • Omnivores 
  • Herbivores
  • Carnivores
  • Producers
  1. _____ depend on both plants and animals for their food and are tertiary consumers.
  • Omnivores 
  • Herbivores
  • Carnivores
  • Decomposers 
  1. ______ include saprophytes (fungi and bacteria)
  • Omnivores 
  • Herbivores
  • Carnivores
  • Decomposers 
  1.  _______ converts the dead animals and plants into fertilizers, nitrogen and carbon dioxide.
  • Producers 
  • Decomposers 
  • Algae  
  • Consumers 
  1. The natural home of an organism is called 
  • forest
  • habitat
  • Deserts 
  • Mountains 
  1. ______ is a place which gets enough rainfall and have warm temperature for lots of trees to grow
  • Wet land
  • Deserts 
  • Forest  
  • Grassland 
  1. Forest acts as a natural ______ of water.
  • absorber
  • Observer 
  • Producer 
  • Habitat 
  1. Fungi and mosses are mostly found in _____ habitat. 
  • Forest 
  • Grassland
  • Wet land
  • Tundra
  1. _____ is a hot, dry and sandy area with little rainfall.
  • Forest 
  • Grassland
  • Desert 
  • Tundra
  1. The air is very hot and dry in ____ 
  • Forest 
  • Grassland
  • Desert 
  • Tundra
  1. In desert, most animal sleep during day time and come out at night to eat are called:
  • Producers 
  • Nocturnal 
  • Decomposers 
  • Consumers 
  1. The place where there is not enough rainfall and occupied mostly by the grasses.
  • Forest 
  • Grassland
  • Desert 
  • Tundra
  1.  _____ is an environment that is a very cold, windy and treeless area.
  • Forest 
  • Grassland
  • Desert 
  • Tundra
  1. _____ land is covered with ice and snow almost throughout the year.
  • Forest 
  • Grassland
  • Desert 
  • Tundra
  1. Tundra is also called _____ 
  • Forest 
  • Grassland
  • Desert 
  • Polar 
  1. The tundra is characterized by _______
  • permafrost
  • nocturnal
  • Both of them
  • None of these
  1. A layer of soil and partially decomposed organic matter that is frozen year-round.
  • permafrost
  • nocturnal
  • Both of them
  • None of these
  1. a/an ______ is a way through which an animal’s body helps it to survive or live in its environment.
  • Migration 
  • Hibernation 
  • nocturnal
  • Adaptation 
  1. Many birds migrate in the ______ season.
  • Spring 
  • Autumn 
  • Winter 
  • Summer 
  1. Many _____ migrate to deeper and warmer water
  • Plant   
  • Fish 
  • Bird 
  • Insect 
  1. _____ is a state of inactivity in animals during the winter season.
  • Dormancy 
  • Hibernation 
  • Aestivation 
  • Camouflage 
  1. _____ is similar to hibernation but occurs in some animals during summer or dry period
  • Dormancy 
  • Hibernation 
  • Aestivation 
  • Camouflage 
  1. ______ is a way of concealing when an animal blends with its surrounding environment to help it to hide. 
  • Dormancy 
  • Hibernation 
  • Aestivation 
  • Camouflage 
  1. _____ is a period of inactivity in plants.
  • Dormancy 
  • Hibernation 
  • Aestivation 
  • Camouflage 
  1. Most habitats are generally found near the ____
  • Mountains 
  • Deserts 
  • Cities 
  • Water  
  1. _____ Shows the way how energy flows in the form of food through organisms in an ecosystem 
  • Food web
  • Energy 
  • Food chains
  • Link 
  1. The _____ is the primary source of energy in a food chain.
  • Sun
  • plants
  • animal
  • Water 
  1. A food chain always starts with a  _____ , which is an organism that can make its own food.
  • Sun 
  • Water 
  • Animal
  • Plant  
  1. Each organism in the food chain is called a _____
  • Food web
  • Energy 
  • Food 
  • Link 
  1. A food web is a network of more than two  _____
  • Food chains
  • Animals  
  • plants
  • Links 
  1. Living place of an organism is called:
  • Habitat 
  • Environment 
  • Ecosystem 
  • Species 
  1. Many food chains unite to make a:
  • Food cycle
  • Food web
  • Food pyramid
  • Mega food chain
  1. An animal that feed on plants is called:
  • Primary consumer
  • Producer 
  • Secondary consumer
  • Decomposer 
  1. In winter most cold blooded animals disappear because they:
  • Die  
  • Hibernate 
  • Migrate 
  • Eaten away
  1. The meat eaters are also known as:
  • Carnivores 
  • Herbivores 
  • Omnivores 
  • Producers 

Also read: General Science MCQs class 7th, Chapter 3

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