Effects of Light on Plant Growth

The video tutorial by Nissani explores the effect of light on plant growth. It includes a home experiment where seeds are placed in different light conditions to observe growth differences. The tutorial highlights the impact of light on plant color, height, and leaf number. It concludes that light is essential for healthy plant growth and food production.

What is the main focus of the experiment introduced in the video?

• The effect of water on plant growth

• The effect of temperature on plant growth

• The effect of light on plant growth

• The effect of soil type on plant growth

What is the first noticeable difference between plants grown in light and those in darkness?

• The type of seeds used

• The color of leaves and stems

• The number of flowers

• The size of the roots

How does light exposure affect the height of plants?

• Height is unaffected by light

• Plants in the light grow taller

• Plants in the dark grow taller

• Both grow to the same height

What is a key difference in flowering plants grown in light versus darkness?

• The amount of water needed

• The type of soil used

• The color of flowers

• The number of leaves

What is the appearance of plants grown in the dark compared to those in the light?

• Dark-grown plants look wilted

• Light-grown plants look wilted

• Dark-grown plants look fresh and green

• Both look equally healthy

Why is it important to measure plant height from the same starting point?

• To ensure accurate comparison

• To increase the number of leaves

• To make the plants grow faster

• To change the experiment's outcome

What is the primary purpose of the experiment discussed in the video?

• To compare different plant species

• To test different soil types

• To investigate the effect of light on plants

• To measure the effect of temperature

What factor is kept constant in the experiment to ensure fair testing?

• The height of the plants

• The color of the leaves

• The type of plant

• The amount of light

What do plants need light energy for, according to the video?

• To absorb water

• To produce seeds

• To change color

• To grow well and make food

What is the conclusion drawn from the experiment?

• Temperature is the key factor for growth

• Light is essential for plant growth and food production

• Water is more important than light

• Plants do not need light to grow