Which colors of lights work best for growing plants?1 1880
Explain the difference between thorns, spines, and prickles.?4 9049
Describe the structure and dehiscence of a fruit of a member of the Brassicaceae.?1 3691
what are the effects of sugar water on cut flower stem?1 3386
Which group of plants possesses both animal and plant characteristics?1 2346
What do you call a person who studies fungi?2 8209
when a plant manufactures oxygen, where from does the oxygen come, from the carbon dioxide or from the water?1 2068
How do a plant of male flowers with homogamous head inflorscence can get to its next generation?1 2895
which is the biggest tree in the world?2 2629
How do seedless fruits arise and how are they propagated?2 2252
what is the fruit of a tulip?1 2008
Do all vascular plants develop annual rings?
what is the non-congruent principle?
How is double fertilisation present in some gymosperms when it is a characteristic of angiosperms?
What was the first tree planted on the Earth?
Name the fungus attracting ants and smelling very foul and rotten?
Mendel did most of his original experimentation using this type of plant?
what are the importance of weeds ?
what is the description of ipomoea involucrata?
How does the pH of soil affect plant growth?
Why algae Spirulina is called the food of the future?
Classify the potato into fruits, roots, stem.
At which growth stage of wheat maximum biological nitrogen fixation occurs?