A) A-Pollen grains, B-Microspore tetrad, C-Microsporogenesis, D-Meiosis
B) A- Microspore tetrad, B- Microsporogenesis, C-Meiosis, D- Pollen grains
C) A- Microsporogenesis, B- Microspore tetrad, C- Pollen grains, D- Meiosis
D) A- Meiosis, B- Microsporo, C- Microspore tetrad, D- Pollen grains
Explanation
A- Meiosis, B- Microsporogenesis, C- Microspore tetrad, D- Pollen grains