OBJECTIVE FORESTRY

FORESTRY

SOIL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is the most common plant part used to identify plants?
A
roots
B
stems
C
flowers
D
leaves
Explanation: 

Detailed explanation-1: -Leaves are often the basis for identifying plants since they are so easily observed. They usually consist of two parts, the blade, the wide or more obvious part of a leaf, and the “stalk” or petiole by which the blade is attached to the stem.

Detailed explanation-2: -Leaf blade – Flattened part of the leaf Petiole – Leaf stalk Stipules – Leaf-like appendages at the base of the leaf. For plant identification purposes, the shape of the leaf margin, leaf tip and leaf base are key features to note.

Detailed explanation-3: -Broad, wide leaves might indicate a tropical plant, while pointy pine needles may indicate an evergreen species (unless you’re dealing with a broadleaf evergreen variety). Triangular leaves may indicate herbaceous plants, while thick, waxy leaves may indicate succulents.

Detailed explanation-4: -The most common leaves are the kind you find on angiosperms, or flowering plants. That includes most shrubs and deciduous trees. This is the classic leaf, a skeleton of veins with a membrane between them. These leaves are delicate, but very efficient.

Detailed explanation-5: -Plants take in carbon dioxide, water, and sunlight and make glucose (sugar) and oxygen. Plant leaves contain chlorophyll pigment which is responsible for capturing the sun’s energy to carry out photosynthesis. Pigments are chemicals that absorb visible light.

There is 1 question to complete.