Biology
What do you mean by Double Fertilization?
The kind of fertilization observed in most of the angiospermic plants where one male gamete (n) fertilizes female gamete (n) and the other male gamete…
Plant kingdom
Biology
What are the changes that occur to the Ovule after Fertilization?
Fertilization is the fusion of the male gamete and female gamete to form a zygote in plants. After fertilization, the zygote divides to form an…
Biology
What is fertilization? Discuss the Importance of Fertilization
Fertilization is the union of two dissimilar sexual reproductive units called gametes (n). The significance of fertilization: The following are the significances performed due to…
Biology
Secondary Growth in Roots
Secondary Growth in the dicot root, the vascular cambium is completely secondary in origin. It originates from the tissue located just below the phloem bundles,…
Biology
Define and Describe on Cork Cambium
As the stem continues to increase in girth due to the activity of vascular cambium, the outer cortical and epidermis layers get broken and need…
Biology
Define Heartwood and Sapwood
In old trees, the greater part of secondary xylem is dark brown due to deposition of organic compounds like tannins, resins, oils, gums, aromatic substances…
Biology
Define Spring Wood and Autumn Wood
The activity of cambium is under the control of many physiological and environmental factors. In temperate regions, the climatic conditions are not uniform throughout the…
Biology
Explain Activity of the Cambial Ring
The cambial ring becomes active and begins to cut off new cells, both towards the inner and the outer sides. The cells cut off towards…
Biology
Define Vascular Cambium
The meristematic layer that is responsible for cutting off vascular tissues -xylem and pholem – is called vascular cambium. In the young stem, it is…
Biology
Define Secondary Growth
The growth of the roots and stems in length with the help of apical meristem is called the primary growth. Apart from primary growth most…
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