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प्रश्न
Assertion (A): Amoeba takes in food using finger like extensions of the cell surface.
Reason (R): In all unicellular organisms, the food is taken in by the entire cell surface.
पर्याय
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of (A).
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of (A).
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
उत्तर
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of (A).
Explanation:
An amoeba catches food via pseudopodia, which are finger-like extensions of its cytoplasm. The food particle is subsequently consumed by encasing it in the cell membrane and internalising it, a process known as phagocytosis. Food is consumed by the entire surface of unicellular organisms.
संबंधित प्रश्न
List the six main purposes for which food is required by the body.
Explain the following term with an example:
Omnivore
Spot the following in the table of vitamins and minerals.
The nutrient present in citrous fruits.
Goitre is caused by a deficiency of the mineral ______.
Very Short Answer Type Questions:
Name two energy-providing nutrients.
Very Short Answer Type Questions:
Name two food items which provide fats.
Choose the correct option.
Which type of teeth are maximum in number in human buccal cavity?
Which is the first enzyme to mix with food in the digestive tract?
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:
Unscramble the following word related to component of food and write it in the space provided.
nitesturn - ______
