Question 1

Name five plants and their parts that we eat.

Accepted Answer

Name of plants Parts of plant1) Carrot Root2) Spinach LeaF3)  Cauliflower Flower 4) Apple Fruit 5) MustardSeed

Question 2

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 3

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 4

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 5

Given below is a list of edible plants.(i) Banana(ii) Pumpkin(iii) Lady's finger(iv) BrinjalWhich pair of plants have two or more edible parts?

Accepted Answer

Banana has three edible parts that are fruit, flower, and stem.Pumpkin has two edible parts, which are flower and fruit.In lady's finger and brinjal, only the fruit can be eaten.Hence, option (A) is correct.

Question 6

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 7

Boojho's grandmother is suffering from diabetes. Her doctor advised her to take 'Lassi' with less fat content. Which of the following methods would be most appropriate for Boojho to prepare it?

Accepted Answer

(a) Filtration is the process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium that permits the fluid to pass through but retains the solid particles.(b) Decantation is the process of separation of liquid from solid and other immiscible liquids by removing the liquid layer at the top from the layer of solid or liquid below.(c) Churning is the traditional method of separating butter from milk or cream by turning a wooden device very quickly and vigorously in the opposite directions. Churning the curd will separate out the butter and it can be removed. The remaining lassi will contain less fat content.(d) Winnowing is the process of separating heavier and lighter components of a mixture by wind or by blowing air.                            $\textbf{Conclusion-}$ Hence, option C is correct.

Question 8

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 9

We get sugar from ______.

Accepted Answer

Various types of sugars are extracted from various plant sources. The two most important sugar crops are sugarcane and sugar beets.So, we get sugar from sugarcane/sugar beet.

Question 10

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.