Which of the following pairs of tissues is responsible fo...
Which of the following pairs of tissues is responsible for strengthening the plant?
Phloem and Epidermis
Parenchyma and Cambium
Collenchyma and Sclerenchyma
Collenchyma and Cambium
Xylem and Cambium
Correct answer is C
Collenchyma cells have thin primary walls with some areas of secondary thickening. Collenchyma provides extra mechanical and structural support, particularly in regions of new growth.
Sclerenchyma cells have thick lignified secondary walls and often die when mature. Sclerenchyma provides the main structural support to a plant.
Deoxygenated blood is transported to the lungs through the ...
The character that expresses itself in the presence of the contrasting characters ...
The lungs of the lung fish is an adaptation for respiration _______? ...
Which of the following terms is associated with natural selections? ...
Which of the following is not seen in the transverse section of a young monocotyledonous stem? ...
One major difference between osmosis and diffusion is that diffusion ...
The main reservoir of water in the circle is the ...
The function of the convex lens in the correction of eye defects is to ...
One of the features which adapts Paramecium to its environment is the possession of ...