Plant Growth, Development, and Response: Germination and Plant Growth

The video explains the process of germination, highlighting its significance in nature. It describes the necessary environmental conditions for seeds to germinate, such as water, oxygen, and temperature. The video also covers the two main growth patterns in plants: primary growth, where stems and roots elongate, and secondary growth, which occurs in woody plants, causing them to grow wider. Key structures involved in these growth processes, such as apical and lateral meristems, are also discussed.

What are the essential conditions for a seed to begin germination?

• Carbon dioxide, sunlight, and water

• Nutrients, soil, and oxygen

• Water, oxygen, and favorable temperature

• Sunlight, soil, and nutrients

What is the role of apical meristems in plant growth?

• They help in the widening of stems and roots

• They are responsible for the growth of branches and flowers

• They store nutrients for the plant

• They are the sites where stems and leaves grow taller

Which type of growth involves the elongation of stems and roots?

• Secondary growth

• Tertiary growth

• Primary growth

• Lateral growth

In which type of plants does secondary growth primarily occur?

• Aquatic plants

• Woody plants

• Herbaceous plants

• Epiphytic plants

What structures are responsible for secondary growth in plants?

• Root hairs

• Lateral meristems

• Axillary buds

• Apical meristems