Question 1

Why do herbivores have longer, small intestine than carnivores?

Accepted Answer

Herbivores consume producers like plants which contain cellulose in the cell wall of their cells. Digestion of cellulose in the gut takes a longer time and hence, the gut of herbivores is longer than gut of carnivores.

Question 2

Differentiate between herbivores, carnivores and omnivores. Give two examples of each.

Accepted Answer

HerbivoresCarnivoresOmnivoresAnimals that eat only plants or plant productsAnimals that eat other animals for meat or fleshAnimals that eat both plants and animalsExamples- cow, horse, goat, etc.Examples- lion, tiger, lizzard, etc.Examples- dog, cat, crow, etc.

Question 3

Which of the following organisms it used In the production of beverages?

Accepted Answer

The yeast Saccharomyces cerevisiae, also known as brewer's yeast, is used for fermenting malted cereals and fruit juices to produce ethanol (ethyl alcohol). Microbes (yeasts in particular) have been used for the production of beverages, such as wine, beer, whisky, brandy and rum.

Question 4

Which of the following is omnivorous?

Accepted Answer

Omnivorous is an animal or person that eats a variety of food belonging to both plant and animal origin.A. Cow is herbivorous as it eats only plants.B. Grasshopper is herbivorous.C. Worm is omnivorous.D. Sparrows are omnivorous birds that mainly eat seeds, berries, fruits and small insects.So, the correct answer is 'Worm and sparrow'

Question 5

Wild animals like tiger, wolf, lion and leopard do not eat plants. Does this mean that they can survive without plants? Can you provide a suitable explanation?

Accepted Answer

It's totally true that wild animals like tiger, wolf, lion, and leopard do not eat plants. Wild animals hunt and eat *herbivorous animals' such as zebra, goat, deer, giraffe, etc. But, the herbivorous animals are directly dependent on the plants for their food. If there are no plants, herbivorous animals will also not survive. In that case, wild animals will have nothing to eat and they will also die.

Question 6

Man is an example of ................... animal.

Accepted Answer

Man is an example of omnivorous animal because Omni means all and vore means eater. An organism which can feed on the plant, as well as the meat of the animal, are called omnivorous.Man consumes plants (fruit vegetables) and also eat the meat of animals like goat, chicken etc thus man considered as the Omnivorous animal.So the correct answer is &#34;Omnivorous&#34;.

Question 7

What would happen if a number of carnivores decreases in an ecosystem?

Accepted Answer

The following consequences may occur due to decrease in number of carnivores in an ecosystem.(i) population of herbivores will increase due to absence of its predator(ii) Plants will decrease in number or disappear from the system due to overgrazing by the herbivores(iii) Both these factors may disturb the food chain and food webs thus affecting the ecosystem.

Question 8

Humans feed on plants and animals, therefore they are called _____.

Accepted Answer

Plants produce their own food via photosynthesis, hence they are called as producers. Rest all animals are called as consumers as they can not produce own food. Carnivores are those organisms who consumes other animals.Ominivores are those organisms who consumes both animals and plants.Herbivores are those organisms who consumes plants. Thus, the correct answer is option B.

Question 9

Match the following items given :

Accepted Answer

Milk is an animal product usually obtained from cattle. Curd, paneer, and ghee are milk-based products.Vegetables are certain parts of plants that are consumed as food. Examples- spinach, cauliflower, cabbage, carrot, beans, brinjal, etc.Animals that eat other animals are called carnivores. Examples- lion, tiger, etc.Animals that eat only plant or plant products are called herbivores. Examples- cow, horse, rabbit, etc.Hence, the correct match is A- 4, B- 3, C- 1, D- 2.

Question 10

Where would you place human beings on the basis of food that they eat?

Accepted Answer

Animals that eat both plants and animals are called omnivores. Examples- dog, cat, crow, human beings, etc. Human beings consume plants, plant products as well as animals and animal products. So, on the basis of food that they eat, human beings can be placed in the category of omnivores.

Revise with Concepts

Food for Animals

Quick Summary With Stories