Textbook Solutions: Sources of Food | Eureka Plus Class 6: Book Solutions, Notes & Worksheets PDF Download

I. Write one word to represent each of the following: 

1.
Ans: Carbohydrates, proteins, fats, vitamins, and minerals: Nutrients

2.
Ans: Living organisms that make their own food: Autotrophs

3.
Ans: Living organisms that obtain food from their surroundings: Heterotrophs

4.
Ans: Animals that mainly eat dead animals: Scavengers

5.
Ans: Organisms that break down dead plants and dead animals into simple substances: Decomposers

6.
Ans: A vitamin that is absent in food products obtained from animals: Vitamin C

7.
Ans: A spice which is a seed: Black pepper

8.
Ans: Animals that feed on plants: Herbivores

II. Answer the following questions in one sentence. 

1.
Ans: Plants from which cooking oil is obtained: Sunflower, Mustard, Coconut

2.
Ans: Sprouts are edible germinated seeds of plants like mung, gram, and ragi.

3.
Ans: Honeybees use nectar from flowers to make honey.

4.
Ans: Edible mushrooms are rich sources of proteins and some also contain vitamin D.

5.
Ans: Decomposers feed on dead remains of plants and animals.

6.
Ans: A carnivorous fish is a shark, and a herbivorous bird is a sparrow.

III. Read the given passage. Underline the errors and rewrite the passage correctly.

1.
Ans:
Large animals, such as elephants and deer, eat plants. If plants are not available, these animals eat other animals, which is why they are called herbivores. These animals mostly feed on fruits and seeds of different plants. They feed just once for a few minutes every day. Animals, such as leopards and lions, are carnivores. They feed most of the time during the day. Like eagles, vultures, kill other animals for food, which is why they are called scavengers.

IV. Make proper pairs.

1.
Ans:

V. Answer the following questions in two to three sentences.

1.
Ans: Seeds are used as human food in various ways. Cereals like wheat and rice are ground to make flour, which is used to make bread and other products. Pulses are cooked and used in various dishes. Spices like black pepper and cardamom add flavor to our food. Nuts and oilseeds are used for snacking or to extract oils for cooking.

2.
Ans: Sprouts are an excellent addition to our diet because they are rich in minerals, vitamins, and fiber. When seeds germinate into sprouts, their nutrient content increases, making them a healthy food choice.

3.
Ans: An omnivorous animal is one that consumes both plants and other animals. For example, peacocks eat not only seeds and tender leaves but also snakes, garden lizards, eggs of other birds, frogs, and insects.

4.
Ans: Decomposers break down dead plants and animals into simple substances and mix them into the soil, which helps in recycling nutrients and replenishing the fertility of the soil. Scavengers like vultures clean up the environment by feeding on the flesh of dead animals, preventing the spread of disease. Both decomposers and scavengers play important roles in maintaining ecosystem balance and cleanliness.

Think and answer

I. Answer the following:
1.
Ans: The mouth parts of bees are suited for collecting nectar from flowers, while the mouth parts of butterflies are adapted for sucking nectar from flowers.

2.
Ans: Classifying the animals:

• Crab spider: Carnivore
• Red worm (earthworm): Decomposer
• Hanging parrot: Omnivore
• Griffon vulture: Scavenger
• Himalayan brown bear: Omnivore

II. Read the passage and answer.
1. 
Ans: The sentence that best describes the food habits of the spotted hyena clan is:
A spotted hyena clan mostly feeds on animals it hunts.