Biology Chapter on Food and Organisms

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Questions and Answers

What is the primary purpose of food for living organisms?

To create waste

To provide energy and nutrients (correct)

To provide shelter

To assist in reproduction

Which of the following is NOT a way food is essential for humans?

It promotes growth

It repairs worn-out tissues

It provides energy

It helps in the development of tools (correct)

Organisms that can prepare their own food are known as:

Omnivores

Autotrophic (correct)

Heterotrophic

Herbivores

Heterotrophic organisms are characterized by:

Deriving nutrition from other plants or animals Signup and view all the answers

Which of the following animals is a herbivore?

Cow Signup and view all the answers

Carnivores are animals that:

Eat only flesh of other animals Signup and view all the answers

Which of these animals is an omnivore?

Cat Signup and view all the answers

The main sources of food for humans are:

Plants and animals Signup and view all the answers

Which part of the plant is consumed when we eat carrots?

Root Signup and view all the answers

Cauliflower and broccoli are examples of which plant part being consumed?

Flowers Signup and view all the answers

Which of the following is an example of a fruit that is used as a vegetable?

Tomato Signup and view all the answers

Edible seeds used as cereals include:

Rice and wheat Signup and view all the answers

Pulses include:

Grams and peas Signup and view all the answers

Oil seeds mentioned in the paragraph include:

Sunflower seeds and mustard Signup and view all the answers

Which of the following is not an example of a nut?

Rice Signup and view all the answers

Which plants provide seeds for beverages like coffee and tea?

Coffee plant and tea plant Signup and view all the answers

Which animal is not typically a source of milk?

Hen Signup and view all the answers

Which of these products is made from milk?

Butter Signup and view all the answers

Eggs are rich sources of:

Proteins Signup and view all the answers

Meat is primarily obtained from:

Hen, goat, and sheep Signup and view all the answers

Honey is obtained from:

Bees Signup and view all the answers

Which statement is true about honey?

It has medicinal value Signup and view all the answers

What is the predominant sugar found in honey?

Fructose Signup and view all the answers

Which plant part is consumed in the form of spinach and cabbage?

Leaves Signup and view all the answers

What type of food is derived from mustard seeds?

Oil Signup and view all the answers

Which of these is a source of oil?

Mustard Signup and view all the answers

Which of the following products does not come from an animal source?

Apple Signup and view all the answers

What part of the plant is garlic classified as?

Bulb Signup and view all the answers

Which of the following is not classified as a spice?

Walnut Signup and view all the answers

The edible part of the sugarcane plant is:

Stem Signup and view all the answers

Study Notes

Purpose of Food

Food provides energy and essential nutrients to living organisms.
It is crucial for growth, repair of tissues, and overall health.

Classification of Organisms

Autotrophic organisms can produce their own food (e.g., plants).
Heterotrophic organisms obtain nutrition by consuming other organisms.

Dietary Categories

Herbivores exclusively eat plants (e.g., cow).
Carnivores eat only animal flesh (e.g., tiger).
Omnivores consume both plants and animals (e.g., cat).

Human Food Sources

Main food sources include plants and animals.
Different parts of plants provide various types of food, such as:
- Carrots are roots.
- Cauliflower and broccoli are flowers.

Fruits and Vegetables

Tomatoes are fruits but often used as vegetables.
Common cereals include rice and wheat, derived from edible seeds.
Pulses consist of legumes such as grams and peas.

Edible Seeds and Oils

Oil seeds like sunflower and mustard are important for oil extraction.
Mustard seeds yield oil, an essential cooking ingredient.

Dairy Products

Common milk sources include cows, goats, and buffaloes; hens do not produce milk.
Butter is a product made from milk.

Eggs and Proteins

Eggs are rich in proteins, offering high nutritional value.
Meat sources include hens, goats, and sheep.

Honey Production

Honey is sourced from bees and is known for its medicinal properties.
The predominant sugar in honey is fructose.

Plant Parts and Their Uses

Spinach and cabbage consist of leaves.
Garlic is categorized as a bulb.
Sugarcane provides edible stems.

Spices and Non-Animal Products

Common spices include cinnamon, coriander, and pepper; walnuts are not classified as spices.
Apples are plant-based and do not originate from animals.

Summary of Key Facts

Understanding food's origins and classifications aids in nutrition and dietary choices.
Recognizing parts of plants consumed helps in visualizing food sources and their benefits.

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Description

Explore the fundamental concepts of food's role in sustaining life through energy and nutrients. This quiz covers the classification of organisms, dietary categories, and sources of human food. Test your knowledge on fruits, vegetables, and edible seeds to deepen your understanding of nutrition in living organisms.