LED Grow Light Guide

Question 1

Why do seedlings need grow lights?

Accepted Answer

Seedlings need enough light and warm temperature to grow healthy.

Answer

Seedlings need to be kept in the dark to grow.

Answer

Grow lights make the seedlings grow bigger.

Answer

Grow lights make the seedlings grow faster.

Question 2

Which type of grow light is the most popular choice for home growers?

Accepted Answer

Fluorescent lights

Answer

Halide lights

Answer

High-pressure sodium lights

Answer

Mercury vapor lights

Question 3

How does the blue light of MH lights promote growth?

Accepted Answer

It promotes vegetative growth

Answer

It encourages leafy growth

Answer

It makes plants sturdier

Answer

It produces less flowering

Question 4

Which of the following is NOT a factor to consider when choosing a grow light?

Accepted Answer

CRI

Answer

Grow Light Efficiency

Answer

Light Spectrums

Answer

Light Intensity

Question 5

What is the main use of grow lights?

Accepted Answer

To help promote the progress of plant photosynthesis by providing light supplement.

Answer

For decoration purposes

Answer

To help reduce light levels in an indoor environment.

Answer

To provide warmth to plants

Question 6

For the healthiest plants, you need light from which part of the color spectrum?

Accepted Answer

Right across the color spectrum

Answer

The blue and violet part of the color spectrum

Answer

The green part of the color spectrum

Answer

The red and orange part of the color spectrum

Question 7

What is the range of wavelengths required for plant growth?

Accepted Answer

Continuous spectrum with a certain distribution width

Answer

Two specific wavelength chips of red and blue

Answer

A wide spectrum

Answer

A very narrow spectrum