Under high-power lens, onion root tip appear as large, rectangular interlocking cells. It is clearly visible that cells are surrounded by distinct cell walls. Each cell has a dark stained nucleus. Large vacuoles are also observed in the cells. Small starch granules are also present inside the cells within the cytoplasm. Since root cells do not take part in photosynthesis, no chloroplasts are observed.
Important for the good growth of most plants and crops. also important directly as food for humans.
Answer: Soil porosity refers to the space between soil particles, which consists of various amounts of water and air. Porosity depends on both soil texture and structure. ... Water can be held tighter in small pores than in large ones, so fine soils can hold more water than coarse soils.
Explanation:
B.
The cytoplasm of the cell contains all of the organelles, including the nucleus.
