Algae MCQs | Algae Objective Type Questions & Answers

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Questions
21 Chlamydomonas and Volvox are similar because
A they both are motile
B they are members of the Chlorophyta
C Both (a) and (b)
D none of these

Answer: Both (a) and (b)
22 All algae possess
A nuclei
B chloroplasts
C Both (a) and (b)
D none of these

Answer: Both (a) and (b)
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23 Bioluminescence is a phenomenon associated with
A chrysophyta
B phaeophyta
C pyrrophyta
D chlorophyta

Answer: Pyrrophyta
24 The number of members of the division Phaeophyta that live in freshwater habitats
A is greater than the number of members of the division Chloro-phyta that live in freshwater habitats
B is lesser than the number of members of the division Chlorophyta that live in freshwater habitats
C is equal to the number of members of the division Chlorophyta that live in freshwater habitats
D none of the above

Answer: Is lesser than the number of members of the division Chlorophyta that live in freshwater habitats
25 Which algal division is divided up into three main groups consisting of the golden-brown algae, the yellow-green algae and the diatoms?
A Chlorophyta
B Chrysophyta
C Phaeophyta
D Pyrrophyta

Answer: Chrysophyta
26 Which of the following algal divisions is characterized by possession of chlorophylls A and B, paramylon as the energy storage material, and the presence of a pellical instead of a cell wall?
A Chlorophyta
B Euglenophyta
C Pyrrophyta
D Chrysophyta

Answer: Euglenophyta
27 A thick-walled spore meant for perenna-tionis
A aplanospore
B akinete
C hypnospore
D zoospore

Answer: Hypnospore
28 Clump formation during sexual reproduction occurs in
A Chlamydomonas
B Oedogonium
C Both (a) and (b)
D None of these

Answer: Chlamydomonas
29 The slippery nature of Spirogyra is due to covering of:
A jelly like structure
B mucus
C mucilage
D none of these

Answer: Mucilage
30 Sea-lettuce is the common name for
A Lamitiaria
B Sargassum
C Batrachospermun
D Ulva

Answer: Ulva
31 Plants which are not differentiated roots, stems and leaves are grouped under
A Thallophytes
B Gymnosperms
C Pteriodophytes
D Spermatophyte

Answer: Thallophytes
32 Asexual reproduction in Spirogyra
A takes place by zoospore formation
B has not been recorded
C takes place by hypnospore formation
D takes place by aplanospore formation

Answer: Takes place by aplanospore formation
33 Agar-Agar is derived from
A fungi
B algae
C bryophytes
D gymnosperms

Answer: Algae
34 The number of flagella produced by motile cells in
A members of the Rhodophyta is greater than members of the Phaeophyta
B members of the Phaeophyta is greater than members of the Rhodophyta
C members of the Rhodophyta is exactly or approximately equal to members of the Phaeophyta
D none of the above

Answer: Members of the Phaeophyta is greater than members of the Rhodophyta
35 Starch is an energy storage material characteristic of
A chlorophyta
B chrysophyta
C phaeophyta
D rhodophyta

Answer: Rhodophyta
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