Advertisements
Advertisements
Question
Distinguish between the following:
Autotrophs and Heterotrophs
Advertisements
Solution
| Sr. No. |
Autotrophs | Heterotrophs |
| 1. | They prepare their own food from simple inorganic raw materials. | They depend on autotrophs for their food and are unable to synthesize their own food. |
| 2. | They synthesize organic compounds by photosynthesis or chemosynthesis. | They obtain energy by consuming other living or dead organisms. |
| 3. | Serve as primary producers in ecosystems. | Serve as consumers and decomposers in ecosystems. |
| 4. | Found at the base of the food chain. | Found at higher trophic levels in food chains. |
| 5. | For example, green plants and some bacteria. | For example, animals, fungi, and many bacteria. |
APPEARS IN
RELATED QUESTIONS
Spot the following in the table of vitamins and minerals.
Causes of anaemia.
Classify according to food-type.
Fungus
Why do living organisms need nutrition?
Very Short Answer Type Questions:
Name two sources of Vitamin A.
Very Short Answer Type Questions:
Write two sources of Vitamin B.
Short Answer Type Questions:
What are the functions of minerals?
Fill in the blanks of the paragraph given below with the words provided in the box.
| chlorophyll, energy, food, carbon dioxide, water, photosynthesis |
Leaves have a green pigment called ___(a)___ which captures ___(b)___ from sunlight. This ___(c)___ is used in the process of ___(d)___ and along with other raw materials like ___(e)___ and ___(f)___ synthesize ___(f)___.
Can you give me a name?
Solve the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.
I am small and I can fly. I disturb your sleep, bite you and suck your blood which is my food. ______, ______
Read the food items given below:
- Wheat
- Ghee
- Iodised salt
- Spinach (palak)
Which of the above food items are “energy giving foods”?
Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.
