English

Difference Between an Autotroph and a Heterptroph. Give One Example of Each Organism.

Advertisements
Advertisements

Question

Difference between an autotroph and a heterptroph. Give one example of each organism.
Distinguish Between
Advertisements

Solution

Difference between autotroph and heterotroph:
Autotroph Heterotroph

Autotroph Heterotroph
(i) They can prepare their own food. (i) They cannot prepare their own food.
(ii) They contain chlorophyll. (ii) They do not contain chlorophyll.
(iii) Examole - Green olants. (iii) Examole - Animals.
shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Photosynthesis - Exercise 2 [Page 75]

APPEARS IN

Frank Biology II [English] Class 7 ICSE
Chapter 6 Photosynthesis
Exercise 2 | Q 5 | Page 75

RELATED QUESTIONS

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:

(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?


An experiment was set up as shown in the figure alongside. Look at the figure and answer the following questions:
( i) What is the objective of this experiment?
( ii ) Which plant is used in this experiment?
( iii ) Which gas is evolved in this process?
( iv ) What will happen to the rate of evolution of this gas if a pinch of sodium
bicarbonate is added?
(v ) What will happen if the apparatus is kept in dark?


The following statement is about photosynthesis in a green plant. Write whether it is True or False.

 Photosynthesis results in a gain in dry weight.


Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:

Photosynthesis involves light reaction and dark reaction. During light reaction, the chlorophyll present in the (1) ______ gets activated by absorbing light energy. This energy splits (2) ______ molecules to (3) ______ and oxygen and releases two electrons. This process is called (4) ______. The (5) ______ ions are picked up by NADP to form (6) ______. The ADP is converted to (7) ______. This process is called (8) ______. During the dark phase, the compound produced at the end of the light reaction reacts with carbon dioxide to form (9) ______. This product is converted to starch. The process is called (10) ______.


Photosynthesis in green plants is directly and indirectly dependent on so many plant structures. 

Explain briefly the role of the following structures in this process is Phloem tissue in the leaf veins.


Oxygen given out during photosynthesis comes from water. Explain this statement.


Complete the following food chain by writing the names of appropriate organisms in the blanks:

 → __________ → __________ → Hen → Man


The figure given below is for performing an experiment on photosynthesis.

Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?


Give technical term:

What does ATP abbreviate for?


What are stomata?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×