Which of the following algae is likely to be found in the deepest waters?
(1) Green
(2) Brown
(3) Red
(4) All are found at equal depths
Which pair[s] is/are in incorrectly matched?
I. Phaeophyceae - Algin in cell wall
II. Chlorophyceae - Laminarin is stored food
III. Rhodophyceae - 2, unequal, lateral flagella
(1) Only II
(2) Only III
(3) I and II only
(4) II and III only
The gemmae produced by some liverworts function as:
(1) A water gathering structure
(2) A light capturing structure
(3) A sexual structure
(4) An asexual structure
All the following differentiate gymnosperms from the higher cryptogams except:
(1) Presence of an independent green gametophyte
(2) development of an ovule
(3) Formation of the pollen tube
(4) Presence of cambium
Heterosporous ferns include both:
(1) Lycopodium and Equisetum
(2) Selaginella and Salvinia
(3) Psilotum and Phylloglossum
(4) Selaginella and Equisetum
The life cycle is not haplo-diplontic in:
(1) Bryophytes
(2) Pteridophytes
(3) Polysiphonia
(4) Fucus
The endomembrane system of a eukaryotic cell includes all except:
1. Vacuoles
2. Lysosomes
3. Peroxisomes
4. Golgi complex
Asexaul reproduction by pear shaped biflagellate zoospores is seen in most:
(1) Green algae
(2) Brown algae
(3) Red algae
(4) Both (2) and (3)
All the following pteriodophytes belong to the Class Pteropsida except:
(1) Dryopteris
(2) Pteris
(3) Selaginella
(4) Adiantum
Sexual reproduction by non-flagellated but similar in size gametes is seen in:
1. Chlamydomanas
2. Volvox
3. Spirogyra
4. Fuccus