______ that uses the chemical constituents of the plants to resolve confusion .
2 of 15
Artificial systems of classification separated ______ related species since they were based on a few characters .
3 of 15
Natural system of classification for flowering plants was given by ______ & ______
4 of 15
______ taxonomy which is now easily carried out using a computer is based on all observable characteristics .
5 of 15
Artificial systems of classification were mainly based on ______ or on ______ structure ( system given by Linnaeus) .
6 of 15
At present the phylogenetic classification system based on ______ relationship between various organisms is acceptable.
7 of 15
Evolutionary relationship assumes that organisms belonging to ______ have a common ancestor.
8 of 15
We use other sources too to help resolve difficulties in classification .These become more important when there is no supporting ______ evidence
9 of 15
In numerical taxonomy ______ & ______ are assigned to all the characters & then data processed.
10 of 15
The red thalli most of Red algae are ______ . Some of them have complex body organisation.
11 of 15
The ______ bear male & female sex organs called antheridia & archegonia respectively.
12 of 15
One of the male gametes fuse with the egg cell ( syngamy ) to form zygote .the other male gametes fues with diploid Secondary Nucleus to produce ______ .because of
syngamy & triple fusion, this event is termed as double fertilisation .
13 of 15
The synergids & ______ degenerate after fertilisation.during this event the ovules devlop into seeds & ovary develop into fruits
14 of 15
In plants, both haploid & diploid cells can divide by ______ .
15 of 15
Sporophytic generation is represented only by the ______ there is no free-living sporophytes.