1. phagocytosis
2. pinocytosis
3. osmosis
4. Both (a) and (b)
Both (a) and (b)
1. root hairs
2. vascular cylinders of roots
3. tracheids of the stem
4. leaves
leaves
1. sieve cells
2. xylem vessel system
3. sieve tube elements
4. xylem and phloem
xylem vessel system
1. phloem by diffusion
2. phloem by protoplasmic streaming
3. phloem by mass flow of solutes from the higher turgor pressure of leaf mesophyll cells along the turgor pressure gradient in phloem cells
4. all parenchymatous cells of the stem by diffusion of solutes downwards
all parenchymatous cells of the stem by diffusion of solutes downwards
1. transpiration pull
2. guttation
3. translocation
4. assimilation
translocation
1. Excretory organs of insects
2. Excretory organs of earthworm
3. Respiratory organs of insects
4. Endocrine glands of insects
Excretory organs of insects
1. potassium ions
2. glucose
3. sucrose
4. starch
sucrose
1. Reptiles and birds
2. Birds and mammals
3. Fishes and amphibians
4. Reptiles and mammals
Fishes and amphibians
1. migration of starch from the aerial parts
2. synthesis of sugar in the potatoes
3. migration of starch from the soil;
4. activity of enzymes,which converts starch to sugar and sugar back to starch after it has reached the potato
activity of enzymes,which converts starch to sugar and sugar back to starch after it has reached the potato
1. water cannot go up
2. food does not travel down and the roots are starved
3. mineral salts cannot go up
4. the exposed part becomes infected with fungi
food does not travel down and the roots are starved