In the first step of Calvin Cycle of Photosynthesis, RUBP combines with CO2 to form 2 molecules of 3PGA in the presence of the Read More …
Category: Class 11
Reproduction in Ascomycetes
Penicillium, Aspergillus, Neurospora. reproduction in Ascomycetes is by Asexual means by production of conidia exogenously on conidiophores. conidia germinate to produce mycelium. Sexual reproduction Read More …
Reproduction in Phycomycetes
Mucor, Rhizopus. Asexual reproduction in phycomycetes is by Zoospores ( Motile) or aplanospores (Non- motile), endogenously produced in sporangium. Sexual reproduction by fusion of Read More …
Reproduction in Fungi
Reproduction in Fungi takes place by – Vegetative means by fragmentation, fission, budding. Asexual means by spores called conidia or sporangiospores or zoospores. Sexual Read More …
What is systematics?
The study of different kinds of organisms, their diversities and relationships among them is called Systematics. This word is derived from the Latin word, Read More …
Differentiate between Monocots and Dicots.
Monocots Dicots 1. These have one cotyledon 1. These have 2 cotyledons 2. These have parallel venation These have reticulate venation in leaves 3. Read More …
Why is Pteropus (bat) included in class Mamalia but not Aves? How are they different from birds?
Pteropus ie. bats are included as mamalia but not aves. They fly using their fore limbs which are covered with a fold of skin Read More …
what is double fertilisation?
This happens in Angiosperms. The fertilisation in Angiosperms involves – fusion of one male nucleus with egg cell nucleus and this is called Syngamy. Read More …
what is Karyogamy?
Fusion of 2 Karyons or nuclei.
Differentiate between Protonema and Prothallus
Protonema Prothallus first stage in development of mosses and liverworts( bryophytes) gametophytes the gametophyte of pteridophytes thread like chain of cells heart shaped Read More …