1. Floridean starch is similar to
a) Amylopectin
b) Glycogen
c) Fructose
d) Both (a) and (b)
Explanation: Both (a) and (b)
2. The spores and gametes of red algae are
a) Motile and non-motile
b) Both are motile
c) Both non-motile
d) Motile spores and non-motile gamete
Explanation: The spores and gametes of red algae are both non-motile.
3. Sexual reproduction of oogamous type is found in
a) Red algae
b) Green algae
c) Brown algae
d) All of these
Explanation: All of these
4. The most reduced type of sexual reproduction is found in the members of
a) Red algae
b) Green algae
c) Brown algae
d) All of these
Explanation: The most reduced type of sexual reproduction is found in the members of red algae.
5. _______ reproduction is shown by the members of rhodophyceae.
a) Oogamous
b) Isogamous
c) Anisogamous
d) All of these
Explanation: Oogamous reproduction is shown by the members of rhodophyceae.
6. Fronds are found in which of the following algae?
I. Laminaria
II. Fucus
III. Dictyota
IV. Porphyra
a) I, II, and III
b) I and II
c) II and III
d) All of these
Explanation: All of these
7. Air bladders are shown by
a) Fucus
b) Laminaria
c) Dictyota
d) All of these
Explanation: Air bladders are shown by fucus.
8. How many of the following algae belong to the category of red algae?
Polysiphonia, Gelidium, Laminaria, Spirogyra, Porphyra, Fucus, Chlamydomonas
a) 2
b) 3
c) 4
d) 5
Explanation: 3
9. Members of phaeophyceae are
a) Ectocarpus, dictyota, fucus and sargassum
b) Ectocarpus, dictyota, fucus and porphyra
c) Chlamydomonas, volvox, ulothrix
d) Gracilaria and gelidium
Explanation: Members of phaeophyceae are ectocarpus, dictyota, fucus and sargassum.
10. Polysulphate esters are present in the cell wall of
a) Ectocarpus and dictyota
b) Gelidium and gracilaria
c) Ectocarpus and sargassum
d) Spirogyra and chara
Explanation: Polysulphate esters are present in the cell wall of gelidium and gracilaria.