Do insectivorous plants depend completely on insects for their nutrition?

What is a symbiotic relationship?

Pick the odd one out in each case. Give reasons for your answers.

1. dodder, oak tree, Raffiesia, bread mould
2. lichen, dodder, pea plant, Rhizobium

Multiple choice questions:

1. The food produced by green plants during photosynthesis is in the form of _________.
   1. proteins
   2. glucose
   3. starch
   4. minerals
2. Chlorophyll is present in ___________.
   1. only chloroplasts
   2. only the upper surface of the leaf
   3. only the under-surface of the leaf
   4. all the cells of the plant
3. Preeti plucked three leaves: leaf A from a plant kept in the dark for 12 hours, leaf B from a plant kept on a window sill and leaf C from a plant kept inside a lighted room. She performed the starch test on all the leaves. What will the result of the test be?
   1. All the leaves have starch.
   2. Only leaf B has starch.
   3. Leaves B and C have starch.
   4. None of the leaves has starch.
4. Heterotrophic organisms do not have one of the following. Which is it?
   1. oxygen
   2. nitrogen
   3. chlorophyll
   4. water
5. Which of the following is a partial parasite?
   1. Cuscuta
   2. Rhizobium
   3. mistletoe
   4. bread mould
6. Identify the plant that does not belong to the group.
   1. dodder
   2. mistletoe
   3. sundew
   4. Rafflesia
7. Read the following statements about insectivorous plants.
   A. They have green leaves.
   B. They can obtain raw materials for photosynthesis.
   C. They grow on soil that is poor in minerals like nitrogen.
   Which of these statements is/are correct?
   1. Only statements A and C.
   2. Only statement C.
   3. Only statements A and B.
   4. All the statements are correct.

Give one word for the following:

1. Organisms that make their own food.
2. The chemical used to test for the presence of starch.
3. The cells that control the opening and closing of the stomata.
4. Organisms that get their food from dead and decaying matter.