1. Chloride (Cl-)
2. Potassium (K+)
3. Sodium (Na+)
4. Magnesium (Mg++)
Sodium (Na+)
1. absence of phloem
2. absence of stomata
3. absence of xylem
4. feebly developed supporting tissue and xylem
feebly developed supporting tissue and xylem
1. Fossil fuel burning - Release of CO2
2. Nuclear power - Radioactive wastes
3. Solar energy - Green house effect
4. Biomass burning - Release of CO2
Solar energy - Green house effect
1. oestrogen, FSH, progesterone
2. oestrogen, progesterone, FSH
3. FSH, progesterone, oestrogen
4. FSH, oestrogen, progesterone
FSH, oestrogen, progesterone
1. antigen-A and antibody-b
2. antigen-B and antibody-a
3. both antibodies
4. no antibody and no antigen
antigen-A and antibody-b