Phylogenetic system of classification is based upon
Evolutionary relationship of organism
Cytological information
Structural embryology
All of the above
Related Questions
The characteristic of blue-green algae is
DNA without histone
Nuclear membrane absent
70 S ribosome
All of these
Which of the following is an important source of edible protein?
Spirogyra
Porphyra
Spirulina
Cephaleuros
Which of the following is incorrect with respect to angiosperms?
Double fertilization occurs
Ovules are enclosed within the ovary
All angiosperms have free-nuclear endosperm
Xylem contains vessels and phloem contains companion cells
Blue-green algae has
prokaryotic cells
eukaryotic cells
chloroplasts
mitochondria
Chlorophyll-b is not present in
Green algae
Bryophytes
Spirogyra
Blue-green algae
A protein rich blue-green alga is
Chlorella
Spirulina
Spirogyra
Ulothrix
Which of the following is autotrophic?
Virus
Mycoplasma
Nostoc
All of these
Which of the following groups of algae do not have eukaryotic organization?
Green algae
Blue-green algae
Red algae
Golden-brown algae
The cell wall of diatoms is impregnated with:
Calcium carbonate
Silica
Cellulose
Chitin
Read carefully the following statements about angiospermic sexual fertilisation
I. Pollen tube carries the male gamete towards archegonia and discharge contents in the mouth of archegonium
II. Male gamete fuses with egg to give rise zygote
III. Zygote develops into embryo and embryo into seeds
IV. Seeds are naked
Which of the statement given above are correct?
I and II
II and III
I and IV
III and IV
