Life Cycles and Metamorphosis

The video tutorial covers the concept of life cycles in living beings, focusing on humans, plants, and animals. It explains the stages of the human life cycle, provides examples of plant and animal life cycles, and discusses different methods of animal reproduction, including viviparous, oviparous, and ovoviviparous methods. The video also delves into the concept of metamorphosis, detailing both complete and incomplete metamorphosis in animals, with examples such as butterflies and frogs.

What is one of the main reasons living organisms need to reproduce?

• To increase their size

• To maintain their species on Earth

• To improve their intelligence

• To change their habitat

Which stage is NOT part of the human life cycle?

• Infant

• Adolescent

• Larva

• Elderly

What is the first stage in the life cycle of a tomato plant?

• Flowering

• Leaf

• Seed

• Fruit

Which animal has a life cycle that takes about 15 years to reach maturity?

• Tomato

• Fly

• Elephant

• Butterfly

Which of the following is a viviparous animal?

• Penguin

• Frog

• Turtle

• Dog

What is the term for animals that lay eggs but the eggs hatch inside the mother's body?

• Viviparous

• Metamorphic

• Ovoviviparous

• Oviparous

Which of the following undergoes complete metamorphosis?

• Cockroach

• Butterfly

• Frog

• Grasshopper

What is the second stage in the life cycle of a mosquito?

• Adult

• Pupa

• Larva

• Egg

Which animal can live both on land and in water during its life cycle?

• Butterfly

• Frog

• Dog

• Elephant

What is the main difference between complete and incomplete metamorphosis?

• Incomplete metamorphosis includes a pupa stage

• Complete metamorphosis has four stages, while incomplete has three

• Incomplete metamorphosis involves a cocoon stage

• Complete metamorphosis skips the larva stage