Describe The Structure Of Mature Sporangium In Pteridophytes.
Large sporangium was seen in primitive fossils pteridophytes. Even in primitive ferns, sporangia are large. However, in advanced forms, reduced... View Article
Large sporangium was seen in primitive fossils pteridophytes. Even in primitive ferns, sporangia are large. However, in advanced forms, reduced... View Article
Sorus is a group of sporangia produced on the adaxial/abaxial surface of the sporophylls in ferns. Based on the pattern... View Article
Sorus is a group of sporangia produced on the adaxial/abaxial surface of the sporophylls in ferns. Sporangia sometimes can be... View Article
It is an abnormality seen in the life cycle of pteridophytes. On several occasions, it is seen that chromosome number... View Article
It is an abnormality seen in the life cycle of pteridophytes. Sometimes, the regular alternation of chromosome numbers is impaired... View Article
Yes, alternation of generation is a survival strategy wherein the plant alternates between different reproductive techniques. Through meiosis, mature sporophytes... View Article
Fertilization occurs with the help of water. Cap cells of antheridia are pushed down releasing antherozoids when a film of... View Article
The zygote develops into an embryo soon after fertilization which differentiates into the seta, foot and sporangium. The foot seeps... View Article
A few mosses have a layer of cells known as leptoids. It resembles the sieve cells of vascular plants. Leptoids... View Article
Marchantia reproduces asexually in two ways – By small clumps of tissues known as gemmae. These are produced in small... View Article
The tip of the capsule, when mature, splits into two valves thus releasing spores. Just above the foot, a meristematic... View Article
Cuticle and stomata appear first in Bryophytes. These new attributes can work as they do in most of the plants... View Article
Cuticle and stomata appear first in Bryophytes. These new traits became vital adaptations to survive on land and essentially plants... View Article
One of the most significant transformations of early bryophytes were multicellular sporophytes. There are two steps that are responsible for... View Article
These are the five characteristics of Anthocerotopsida – Presence of smooth rhizoids The thallus in them has a uniform internal... View Article
These are the five characteristics of Hepaticopsida – Their plant body is foliose or thalloid, lobed, prostate, dichotomously branched. Their... View Article
Yes. Chlorine is an essential micronutrient required by all plants in small quantities. In plants, chlorine participates in several physiological... View Article
Algae and seaweed are two groups of photosynthetic organisms that grow in aquatic habitats such as marine and freshwater habitats.... View Article
Cholesterol is a type of lipid found in most body tissues. Lipids are a class of organic compounds, which are... View Article
Yes, kiwi is a true berry, with furry brownish-green skin. It is an oval-shaped fruit, which is about the size... View Article