Advertisements
Advertisements
Question
Which of the following statements is/are correct?
- All green plants can prepare their own food.
- Most animals are autotrophs.
- Carbon dioxide is not required for photosynthesis.
- Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
Options
(i) and (iv)
(ii) only
(ii) and (iii)
(i) and (ii)
Advertisements
Solution
(i) and (iv)
Explanation:
Animals cannot manufacture their own food so they are heterotrophs, not autotrophs.
Carbon dioxide is a raw material for photosynthesis. In the process of photosynthesis, plants manufacture organic compounds, inside the chlorophyll-containing cells from carbon dioxide and water with the help of solar energy. So, CO2 is essential for photosynthesis.
APPEARS IN
RELATED QUESTIONS
Goitre is caused by a deficiency of the mineral ______.
Classify according to food-type.
Goat
We prepare a variety of foodstuffs and dishes at home. Are we then autotrophic organisms?
Short Answer Type Questions:
What are the functions of proteins?
Short Answer Type Questions:
Excess intake of fats is harmful to the body because it causes obesity. Would it be harmful to the body to take too much of proteins or vitamins in the diet?
Choose the correct option.
Acinar cells are present in ______.
Higher Order Thinking Skill.
Look at the picture and answer the question that follows
- Name the process involved in the given picture.
- Which diary food is preserved by this process?
- What is the temperature required for the above process?
Match the Column I with Column II and choose the correct option.
| Column I (Food componets) | Column II (Gross calorific value) | ||
| i. | Proteins | a. | 9.45 Kcal/g |
| ii. | Carbohy drates | b. | 4.1 Kcal/g |
| iii. | Fats | c. | 5.65 Kcal/g |
The lipids can provide a maximum of ______ of energy.
