You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one-such example, which usually grows in shallow water or in marsh lands. What part of the plant is modified into-a 'pitcher'? How does this modification’help.the plant for food even though it can, photosynthesize like any Other green plant?

Use your brain power! Why does the pitcher plant feed on insects even though it produces food by photosynthesis?

Lichen is usually cited as an example of symbiosis in plants where an algal and a fungal species live together for their mutual benefit. Which of the following will happen if algal and fungal partners are separated from each other? Both will survive and grow normally and independent from each other. both will die. Algal component will survive while the fungal component will die. Fungal component will survive while the algal partner will die. Based on your answer how do you justify this association as symbiosis.

Read the paragraph and answer the questions given below : Dietary fibre - found mainly in fruits, vegetables, whole grains and legumes — is probably best known for its ability to prevent or relieve constipation. But foods containing fibre can provide other health benefits as well, such as helping to maintain a healthy weight and lowering your risk of diabetes, heart disease and some types of cancer. Dietary fibre, also known as roughage or bulk, includes the parts of plant foods your body can't digest or absorb. Unlike other food components, such as fats, proteins or carbohydrates — which your body breaks down and absorbs — fibre isn’t digested by your body. Instead, it passes relatively intact through your stomach, small intestine and colon and out of your body. Answer the question: What is a roughage?