Olympiad Test Level 1: Plants and Animals - 1 - Class 3 MCQ

The sabre-toothed cat had their teeth showing out like an elephant. These cats became extinct around 11,000 years ago.

The correct option is A Dinosaurs
Extinct species are species who has died out. Extinction means no more individuals of that species is alive anywhere in the world. Passenger pigeon, black soft-shell turtle, Guam kingfisher, dinosaurs are some examples of extinct species. Endangered species are species who are at high risk of becoming extinct. Tiger and elephant are endangered species.

Bark of the tree protects the trunk. It's an outer protective layer that makes the trunk, branches and roots grow thicker overtime.

The thick layer of fat under the bear’s skin keeps them warm and protects them from cold weather.

The soil is the storage place for water and the nitrogen and minerals dissolved in water, which are needed by the tree to live and grow. The soil also provides a base for the tree to attach itself firmly in place.

Rabbit has sharp front teeth, and it repeatedly bites the food before taking it in, called gnawing the food.

• Cabbage and mint are both leafy plants that produce food through a process called photosynthesis.
• This process mainly takes place in their leaves, where chlorophyll captures sunlight.
• Using sunlight, carbon dioxide from the air, and water from the soil, the plants convert these ingredients into glucose (a type of sugar) and oxygen.
• The glucose is then used as energy for growth and development, while the oxygen is released back into the atmosphere.

Giraffe, Cat and Zebra are terrestrial animals and live on the land.

The edible part of sugarcane is stem, strawberry is fruit, carrot is root and mint is leaves.

The process of becoming plants from seed is:
Seed →  Seedling → Sapling → Plant