Advertisements
Advertisements
प्रश्न
One of the following is not a constituent of blood. This one is:
पर्याय
Red blood cells
White blood cells
Sieve plates
Platelets
उत्तर
Sieve plates
Sieve plates do not constitute blood. They are a part of phloem.
APPEARS IN
संबंधित प्रश्न
How is food transported in plants?
What are the components of the transport system in highly organised plants?
What is phloem tissue? Phloem contains two types of cells joined side by side. Name these two types of cells. State whether these cells are living or dead.
What do you mean by 'translocation' with respect to transport in plants?
Which plant tissue is involved in translocation : xylem or phloem?
Draw a labelled diagram of (i) a xylem vessel, and (ii) a sieve tube (or phloem).
The phloem tissue in plants is responsible for the transport of:
In autotrophs, water is transported through:
Water and dissolved minerals get into the root hair of a plant by a process called A and enter the conducting tissue B. The process C helps the water and dissolved minerals to move up through tissue B in roots and stem, and reach the leaves of a plant. In the leaves, food is made by a process D. This food is then transported to all the parts of a plant through tissue E. The process of distributing food made in the leaves to all the parts of the plants is called F.
(a) What are (i) A (ii) B (iii) C (iv) D (v) E, and (vi) F?
(b) Which tissue is made up of living cells: B or E?
(c) Which tissue, B or E, contains sieve tubes?
(d) Which tissue, B or E, contains tracheids?
Chief vascular element concerned with transport of food in plant.
