The sperm and Ovum plays an important role in fertilization. Production of sperm starts only after the puberty in males. Production of Ovum may start after birth, but ova Will be matured after puberty.
Mitosis and Meiosis are the two phases of the nuclear cell division. There are four phases in mitosis, four phases in meiosis-1 and another four phases in meiosis-2 which results in the successful cell division.
The Pheromones and Hormones are the chemical substances which are totally different in their functions. The pheromones act outside of the body of the animal or insect secreting it. The hormones act inside of the body of the animal or human being secreting it.
Photosynthesis takes place in the chloroplast and is dependent on light. Respiration takes place in cytoplasm and mitochondria and is not dependent on light.
Chlorophyll helps in trapping solar energy to split water molecule. Chloroplasts help in synthesis of carbohydrates. Difference between Chlorophyll and Chloroplast are
Light reaction is considered as the light dependent reaction. Dark reaction is not dependent on light. difference between light reaction and a dark reaction are many..
Aerobic respiration is the respiration which takes place in the presence of oxygen. Anaerobic respiration is the respiration which takes place in the absence of oxygen.