The study of food chains helps in understanding food relationships and interactions among the various organisms in an ecosystem. The food chains, transfer energy and materials between various living components of an ecosystem. The movement of toxic substances like pesticides, weedicides, etc., through food chains, can prove very harmful.1. What role human plays in food chains?a. Producersb. Consumersc. Humans do not involve in food chainsd. Decomposers2. Why do all food chains start with plants?a. Because plants are easily grownb. Because plants are nutritiousc. Because plants can produce its own energyd. Because plants do not require energy3. Which of the following food chain correctly describes the flow of energy in an ecosystem?a. Grass → lion → humanb. Cow → grass → lionc. Grass → goat → humand. Leaf → bird → lizard4. If there is a shortage of deer in forest, what tiger might do?a. Hunt for other animalsb. Eat grassland leavesc. Die due to starvationd. Fasting until they find deer5. In the food relationship, where the tiger eats the deer and the deer eats plants. Which of the following conditions is true?a. The tiger is the preyb. The tiger is the primary consumerc. The deer is the predatord. The deer is the prey