Canadian Forces Aptitude Test (CFAT) Practice

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare effectively for the Canadian Forces Aptitude Test with engaging quizzes and comprehensive study materials. Test your skills and enhance your readiness for this crucial exam!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Which plant part is primarily responsible for photosynthesis?

Stem
Root
Leaf
Flower

The correct answer is: Leaf

The leaf is primarily responsible for photosynthesis due to its unique structure and function. Leaves contain chlorophyll, a green pigment that captures sunlight and plays an essential role in converting light energy into chemical energy. This process allows plants to use sunlight, carbon dioxide from the air, and water from the soil to produce glucose and oxygen. The broad and flat surface of leaves maximizes the area exposed to sunlight, which is crucial for the efficiency of photosynthesis. The other plant parts contribute in various ways but do not perform photosynthesis. The stem supports and transports nutrients and water, the root anchors the plant and absorbs water and minerals from the soil, and the flower is involved primarily in reproduction. Each of these parts has its specific roles, but it is the leaf that is specialized for harnessing solar energy and converting it into the food energy required for the plant's growth and development.