Question 14 Marks
Nutrition is the process of taking food by an organism and the utilization of food for energy. This is a vital process that helps living beings obtain their energy from various sources.Nutrients are substances that provide nutrition.
The mode of nutrition varies from one species to another. Plants do photosynthesis to prepare their own food. Animals depend on plants for food.
i. What do you understand by nutrition?
ii. Mention how organisms like bread moulds and mushrooms obtain their food.
iii. What do you understand by autotrophic nutrition?
OR
What is common for Cuscuta, ticks, and leeches?
The mode of nutrition varies from one species to another. Plants do photosynthesis to prepare their own food. Animals depend on plants for food.
i. What do you understand by nutrition?
ii. Mention how organisms like bread moulds and mushrooms obtain their food.
iii. What do you understand by autotrophic nutrition?
OR
What is common for Cuscuta, ticks, and leeches?
Answer
View full question & answer→i. Nutrition is the process of taking food by an organism and the utilization of food for energy.
ii. Organisms like bread moulds and mushrooms break down the food materials outside the body and then absorb them. Mushroom has a saprophytic mode of nutrition.
iii. Plants are autotrophs and they have an autotrophic mode of nutrition. They perform photosynthesis to prepare their own food. Animals depend on plants for food.
OR
The Cuscuta, ticks, and leeches all are Parasites. A parasite receives its food from the host but gives no benefit to the host in return. The host may be a plant or animal.
ii. Organisms like bread moulds and mushrooms break down the food materials outside the body and then absorb them. Mushroom has a saprophytic mode of nutrition.
iii. Plants are autotrophs and they have an autotrophic mode of nutrition. They perform photosynthesis to prepare their own food. Animals depend on plants for food.
OR
The Cuscuta, ticks, and leeches all are Parasites. A parasite receives its food from the host but gives no benefit to the host in return. The host may be a plant or animal.