Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Apomixis
The formation of sporophyte from the gametophyte without sexual process signifies apomixis. It relates to the replacement of alternation of a reduced gametophyte and an unreduced sporophyte by an unreduced gametophyte and sporophyte. It occurs in relatively in about 35 families. The most common being Asteraceae and Poaceae. Apomixis can be classified into two types, recurrent (in non- reduced embryo sacs) and non-recurrent (in reduced embryo sacs). The later relates to development of haploid embryos without the actual fusion of gametes.
Figure: Diagrammatic representation of Apomixis types
Clonal Propagation Most cultivars of ornamental and fruit species and forest trees are highly heterozygous. Consequently, their seed progeny is not true-to-type. To preserve
Protection of Plants against Toxic Substances Plants produce several toxic substances themselves and may also encounter the ones produced by other plants or present in the env
MECHANISM - 1 . AURICULAR SYSTOLE - First of all from complete body impure blood comes in R.A. by superior and inferior vena cava or pre and post cavals. Pure blo
Two adaptation of the skin against attack by micro-organisms
Reaction specificity Some enzymes catalyze only one reaction acting on a specific substrate. Example: urease and catalase acts only on urea and hydrogen peroxide,
Illustrate about the term- Hypnagogic hallucinations Hypnagogic hallucinations (Greek, 'hypnos' meaning "sleep," and 'gogic' meaning "enter into") are episodes of auditory, vi
Q. What are the Yeasts? Like mold, the term "yeast" is commonly used but hard to define. As used here it refers to those fungi which are generally not filamentous but unicellul
Trypsin Trypsin is secreted by the pancreas in an inactive form trypsinogen. It is activated by enterokinase secreted by the glands in the intestinal wall. As trypsin is forme
Q. What is the kind of cell division that allows sexual reproduction? What is gametogenesis? Meiosis is the kind of cell division that permits sexual reproduction since it redu
How are the organelles of a single cell like the organs of a multicellular organism? Name two features of eukaryotic cells that prokaryotic cells lack.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd