Question

Exercise
1. Why do organisms take food?
2 Distinguish between a parasite and a saprotroph.
3. How would you test the presence of starch in leaves?
4. Give a brief description of the process of synthesis of food in green plants.
5. Show with the help of a sketch that plants are the ultimate source of
food.
6. Fill in the blanks:
(a) Green plants are called
since they synthesise
their own food.
(b) The food synthesised by plants is stored as
(C) In photosynthesis solar energy is absorbed by the pigment called
and
(d) During photosynthesis plants take in
release
gas.
7. Name the following:
@ A parasitic plant with yellow, slender and branched stem.
(ii) A plant that is partially autotrophic.
(iii) The pores through which leaves exchange gases.
8. Tick the correct answer:
(a) Cuscuta is an example of:
(1) autotroph (ii) parasite (ili) saprotroph (iv) host
(b) The plant which traps and feeds on insects is:
A c cuta fi china rose fiv) pitcher plant (iv) rose​

Answer 1

Answer:organism takes food to survive.

Explanation:

Answer 2

Answer:

1- food is essential for survival of all living organism food provide energy for various life process food contain all essential nutrients for growth and survival

Explanation:

2- parasite: a plants which live on another living plants to take foods and Shelters is called parasites plant .

* saprotroph: some non green plants grow and leave on date and end organ is matter of living and plants and try derive their food from them II digestive juice called in which breakdowns the complex organism matter into simple one then they observe the nutrition from the digest food this types of Nutrition is called saprophytic nutrition in fungi and bacteria that use this mode of nutrition is known as saprophytic and step to draw

3: take a potted plants and keep it in a dark place where no lights presents for two three days so that the lip care discharged cover a part of one's of its leaves with the street or black paper make sure that you covers both the side of the leaf noblesse this plants in Sun lights for 34 hour it necessary to remove starch present in the leave because presence of stars conference that photosynthesis has taken place the selected covered leave and remove the black papers coverings it now test the presence of Sugars by wearing Sadi and solution over remember before is the ideal solution over the live perform starch

4: