Class 5 Science - Animal Life - CBSE Worksheets Solutions - 1

Q1: Multiple Choice Questions (MCQs)

(ii) Which of the following animals is classified as an amphibious animal?
(a) Lion
(b) Frog
(c) Shark
(d) Eagle
Ans: (b)
Amphibious animals are those that can live both on land and in water. Frogs are classic examples of amphibians, while lions, sharks, and eagles are not.

(iii) Which of the following animals lay eggs?
(a) Mammals
(b) Birds
(c) Fish
(d) Both b and c
Ans: (d)
Both birds and fish lay eggs. Birds, such as chickens and ostriches, lay hard-shelled eggs, while fish, such as salmon and goldfish, lay soft-shelled eggs.

(iv) Which of these animals is a herbivore?
(a) Lion
(b) Tiger
(c) Elephant
(d) Shark
Ans: (c)
Elephants are herbivores, meaning they only eat plants. They have large, flat teeth for grinding plant matter.

(v) Why do some animals migrate?
(a) To change their body covering
(b) To search for food and safe breeding places
(c) To compete with other animals
(d) To avoid sunlight
Ans: (b)
Animals migrate to avoid unfavourable weather conditions, search for food, and reach safe breeding places.

Q2: Fill in the Blanks

(ii) Animals that lay eggs are called ____________.
Ans: Animals that lay eggs are called oviparous.

(iii) The process of shedding old skin in reptiles is known as ____________.
Ans: The process of shedding old skin in reptiles is known as molting.

(iv) The group of animals that have a backbone is called ____________.
Ans: The group of animals that have a backbone is called vertebrates.

(v) Animals that cannot make their own food and depend on other organisms for food are called ____________.
Ans: Animals that cannot make their own food and depend on other organisms for food are called heterotrophs.

Q3: Match the Following:

Ans: 

1. Adaptation - C
2. Terrestrial animals - E
3. Omnivores - A
4. Fur - B
5. Shell - D 

Q4: True or False

These are the basic necessities for any living organism to survive and carry out their life functions.

(ii) Fishes have lungs to breathe underwater.
Ans: False

Fishes have gills, which allow fish to extract oxygen from water as it passes over them, allowing them to breathe underwater.

(iii) Herbivores eat plants for their nutrition.
Ans: True

Herbivores are animals that primarily eat plants for their nutrition, such as cows, elephants, and rabbits.

(iv) The skeleton inside the body is called an exoskeleton.
Ans: False

An endoskeleton is an internal skeleton that provides structural support and protection for internal organs, while an exoskeleton is a hard outer covering found in some invertebrates, like insects and crustaceans.

(v) The process of breaking down food into simpler substances is called digestion.
Ans: True

Digestion is the process by which food is broken down into simpler, absorbable nutrients that can be used by the body for energy and growth.

Q5: Give reasons:

(b) Ducks, fowls, and bears are called omnivores.
Ans: This is because they have a varied diet that includes both plant matter (such as fruits, vegetables, and grains) and animal matter (such as insects, fish, and small mammals). Their ability to consume a wide range of foods allows them to adapt to different environments and survive on diverse food sources.

(c) Animals like cow, sheep, goat, zebra, and horse have sharp front teeth (incisors) and large flat back teeth (molars).
Ans: This is because they are herbivores. The sharp front teeth help them to bite and cut plant material, while the large flat back teeth are used for grinding and chewing the fibrous plant matter they consume.

Q6: Short Answer Questions

(ii) Name two adaptations of animals that help them survive in their habitats.
Ans: Animals have adaptations such as scales (to prevent water loss in reptiles) and feathers (to keep birds warm and enable them to fly).

(iii) Why do some animals have camouflage?
Ans: Some animals have camouflage to help them blend in with their surroundings. This helps them avoid predators or hide from their prey.

(iv) Name two animals that are carnivores and two animals that are herbivores.
Ans: 

• Carnivores: Lion, Tiger
• Herbivores: Elephant, Cow

(v) Describe the life cycle of a butterfly.
Ans: The life cycle of a butterfly consists of four stages: egg, larva (caterpillar), pupa (chrysalis), and adult. The adult butterfly lays eggs on a host plant, which hatch into caterpillars. The caterpillar eats and grows until it forms a chrysalis. Inside the chrysalis, the caterpillar undergoes metamorphosis and emerges as an adult butterfly.

(vi) Name the body covering of the following animals.
Snail, Fish, Sheep, Polar Bear
Ans:

• Snail - Soft and slimy body covering, often referred to as a "shell."
• Fish - Scales covering the body.
• Sheep - Wool (fleece) covering the body.
• Polar Bear - Fur (thick coat) covering the body.

(vii) How do the following animals move?
Turtles, Penguins, Water Boatman
Ans:

• Turtles: Turtles move by using their legs to walk on land. In water, they swim by moving their legs in a paddling motion.
• Penguins: Penguins are excellent swimmers. They use their wings as flippers to propel themselves through the water, and their feet are used for steering.
• Water Boatman: Water boatmen move by rowing their legs like oars. They have long, flattened legs adapted for this purpose and are skilled at moving on the water's surface.