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1. In Chlorophyceae, sexual reproduction occurs by
A. Oogamy only
B. Isogamy, anisogamy and oogamy
C. Anisogamy and oogamy
D. Isogamy and anisogamy
2. Oogamous sexual reproduction involves the fusion of
A. Motile and non-motile gametes
B. Dissimilar non-motile gametes
C. Similar gametes
D. Dissimilar motile gametes
3. The nutrient medium is made semi-solid by adding
A. Agar-agar
B. Pectin
C. Water
D. Sodium chloride
4. Fusion of two gametes which are dissimilar in size is termed
A. Anisogamy
B. Oogamy
C. Zoogamy
D. Isogamy
5. Ribbon-shaped chloroplasts occur in
A. Ulothrix
B. Riccia
C. Spirogyra
D. Chlamydomonas
6. Pyrenoids are characteristically found in the chloroplasts of
A. Angiosperms
B. Fungi
C. Pteridophytes
D. Algae
7. Brown algae have a characteristic pigment of
A. Fucoxanthin
B. Haematochrome
C. Phycocyanin
D. Phycoerythrin
8. An incorrect character of brown algae is
A. Presence of chlorophyll a and b
B. Presence of chlorophyll a and c
C. It remains attached to the substratum
D. Presence of fucoxanthin
9. Floridean starch occurs in
A. Chlorophyceae
B. Myxophyceae
C. Rhodophyceae
D. Phaeophyceae
10. The phylogenetic system of classification is based on
A. Floral characters
B. Chemical constituents
C. Morphological features
D. Evolutionary relationships
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