Available Answers

1. 1.

   Check point:

   1. The process of taking food by an organism and utilizing it, is called __________________.
      1. Respiration
      2. Nutrition
      3. Digestion
      4. Photosynthesis
   2. They are autotrophs.
      1. All animals
      2. Green plants
      3. All Plants
      4. None of these
   3. This is not required for photosynthesis.
      1. Sunlight
      2. Water
      3. Carbon dioxide
      4. Nitrogen
   4. It shows the parasitic mode of nutrition.
      1. Cuscuta
      2. Rhizobium
      3. Cactus
      4. Venus flytrap
   5. Which of these convert atmospheric nitrogen in soluble form?
      1. Fungi
      2. Rhizobium bacteria
      3. Insectivorous plants
      4. Saprophytic nutrition
2. 2.

   True-False:

   1. Oxygen is required for the process of photosynthesis.
   2. Water and minerals are absorbed by the plants through their roots.
   3. Host and parasite are found in symbiotic mode of nutrition.
   4. Nitrogen is replenished in the soil with the help of rhizobium bacteria.
   5. Insectivorous plants grow in nutrient deficient soil.
3. 3.

   Fill in the blanks:

   1. Chlorophyll containing structures in a cell are _________________.
   2. During photosynthesis, plants lake in _________________ and release _________________.
   3. The food synthesized by the plants is stored as _________________.
   4. _________________ is a parasitic plant with yellow thread like stem.
   5. The carbon dioxide from the air is taken in through _________________.
4. 4.

   Match the following:

   Column A	Column B
   1. Pitcher plant	(a) Autotrophic nutrition
   2. Cuscuta	(b) Symbiotic nutrition
   3. Alga and fungus	(c) Insectivorous nutrition
   4. Fungi	(d) Parasitic nutrition
   5. Photosynthesis	(e) Saprophytic nutrition

    

5. 5.

   How do the nutrients present in food help living organisms?

6. 6.

   What transports water to leaves?