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Home » GAT Subject » Aptitude Test - 52
Hassan
1.In endomycorrhiza, the fungus is commonly
A. Zygomycete
B. Phycomycete
C. Ascomycete
D. Zygomycete
2. In ectomycorrhiza, the fungus is generally
A. Zygomycete
B. Phycomycete
C. Ascomycete
D. Zygomycete
3.Fleming discovered Penicillin from
A. Penicillium notatum
B. P. roqueforti
C. P. camemberti
D. Penicillium notatum
4. In yeast the sexual reproduction is by conjugation. After fusion the zygotic nucleus divides meiotically and forms haploid spores. The unicellular structure with haploid spores is
A. Sporangium
B. Gametangium
C. Ascus
D. Sporangium
5.Fungus used for the fermentation of cheese is
A. Mucor mucedo
B. Rhizopus nigricans
C. Penicillium camemberti
D. Mucor mucedo
6. Sometimes in yeast the conjugation takes place between a parent cell and a bud. It is
A. Isogamy
B. Predogamy
C. Pseudogamy
D. Isogamy
7.Number of ascopores formed in Sacchromyces cerevisiae is
A. 4
B. 8
C. 16
D. 4
8.When a moist bread is kept exposed in air, it becomes mouldy and black because
A. Spores are present in the water
B. Spores are present in the bread
C. Spores are present in the air
D. Spores are present in the water
9. 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. is greater than the number of members of the division Chloro-phyta that live in freshwater habitats
10.Bioluminescence is a phenomenon associated with
A. chrysophyta
B. phaeophyta
C. pyrrophyta
D. chrysophyta
11. Which of the following algal divisions is characterized by possession of chlorophylls A and B, starch as the energy storage material, cellulosic cell walls and live in freshwater and marine habitats?
A. Chlorophyta
B. Chrysophyta
C. Phaeophyta
D. Chlorophyta
12.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. Chlorophyta
13.Zooxanthellae are algal symbiont that live within coral reef animals. These algae belong to
A. chlorophyta
B. chrysophyta
C. pyrrophyta
D. chlorophyta
14.All algae possess
A. nuclei
B. chloroplasts
C. Both (a) and (b)
D. nuclei
15. Algae is a nonvalid taxinomic term that refers to
A. eukaryotic organisms that have chlorophyll a and produce O2
B. well developed cellular structure including a conducting system
C. Both (a) and (b)
D. eukaryotic organisms that have chlorophyll a and produce O2
16. 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. Chlorophyta
17.Laminarin is an energy storage material characteristic of
A. chlorophyta
B. chrysophyta
C. phaeophyta
D. chlorophyta
18.Chlamydomonas and Volvox are similar because
A. they both are motile
B. they are members of the Chlorophyta
C. Both (a) and (b)
D. they both are motile
19.Characteristics used to place algae into divisions include all of the following except
A. form of storage material
B. flagella number and location
C. accessor pigments used in photosynthesis
D. form of storage material
20.Which algal division never produces motile, flagellated cells among any of its members?
A. Chlorophyta
B. Chrysophyta
C. Phaeophyta
D. Chlorophyta
21. Starch is an energy storage material characteristic of
A. chlorophyta
B. chrysophyta
C. phaeophyta
D. chlorophyta
22.Number of flagella produced by motile cells in
A. members of the phaeophyta is greater than members of the Oomycota
B. members of the Oomycota is greater than members of the Phaeophyta
C. members of the Phaeophyta is approximately equal to members of the Oomycota
D. members of the phaeophyta is greater than members of the Oomycota
23.The algae Chlamydomonas demonstrates a complex life cycle that switches between haploid and diploid forms. This life cycle is called
A. the sexual-asexual exchange
B. the transposition cycle
C. an alternation of generations
D. the sexual-asexual exchange
24.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. members of the Rhodophyta is greater than members of the Phaeophyta
25.Algae are classified into 6 groups, technically known as
A. categories
B. divisions
C. genera
D. categories
26.The __________ is the vegetative body of algae.
A. mycelium
B. plasmodium
C. pseudoplasmodium
D. mycelium
27.Agar, which is the solidifying agent in many bacterial culture media, is part of the cell wall of
A. chlorophyta
B. chrysophyta
C. pyrrophyta
D. chlorophyta
28.The kelps are algae found in
A. chlorophyta
B. chrysophyta
C. phaeophyta
D. chlorophyta
29.Frustules made of silica are characteristic of
A. euglenoids
B. diatoms
C. desmids
D. euglenoids
30. Algae are found in all of the following places except
A. oceans
B. soils
C. lakes and streams
D. oceans
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