Botany Mcqs :: All Aptitude Test ::

1.Laminarin is an energy storage material characteristic of
A. chlorophyta
B. chrysophyta
C. phaeophyta
D. chlorophyta

2.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

3.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

4.Which algal division never produces motile, flagellated cells among any of its members?
A. Chlorophyta
B. Chrysophyta
C. Phaeophyta
D. Chlorophyta

5. Starch is an energy storage material characteristic of
A. chlorophyta
B. chrysophyta
C. phaeophyta
D. chlorophyta

6.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

7.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

8.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

9.Algae are classified into 6 groups, technically known as
A. categories
B. divisions
C. genera
D. categories

10.The __________ is the vegetative body of algae.
A. mycelium
B. plasmodium
C. pseudoplasmodium
D. mycelium

11.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

12.The kelps are algae found in
A. chlorophyta
B. chrysophyta
C. phaeophyta
D. chlorophyta

13.Frustules made of silica are characteristic of
A. euglenoids
B. diatoms
C. desmids
D. euglenoids

14. Algae are found in all of the following places except
A. oceans
B. soils
C. lakes and streams
D. oceans

15.Which of the following best describes the algae known as diatoms?
A. Cells have intricate shells of silicon dioxide with two halves
B. Cells are encased in rigid walls composed of cellulose coated with silicon
C. Cells have flagella and a light-detecting eye spot
D. Cells have intricate shells of silicon dioxide with two halves

16.Chrysolaminarin is an energy storage material characteristic of
A. chlorophyta
B. chrysophyta
C. phaeophyta
D. chlorophyta

17.Which of the following is correct?
A. All members of photolithotrophic autotrophs are also members of algae, but not all members of algae are members of photolithotrophic autotrophs
B. All members of algae are also members of photolithotrophic autotrophs, but not all members of photolithotrophic autotrophs are members of algae
C. All members of photolithotrophic autotrophs are members of algae, and all members of algae are members of photolithotrophic autotrophs
D. All members of photolithotrophic autotrophs are also members of algae, but not all members of algae are members of photolithotrophic autotrophs

18.Alcohol is produced with the help of
A. sodium chloride
B. yeast
C. nitrogen
D. sodium chloride

19.Which of the following drug is an antipyretic?
A. Insulin
B. Alcohol
C. Streptomycin
D. Insulin

20.What helps in the rise of bread or dosa dough?
A. Heat
B. Grinding
C. Growth of yeast cells
D. Heat

21.The status of algae in the aquatic food chain is
A. consumers
B. producers
C. host
D. consumers

22.The rod shaped bacteria are called
A. Bacillus
B. Coccus
C. Vibrio
D. Bacillus

23.Bacteria present in root nodules of pea
A. Coli
B. Plasmodium
C. Rhizobium
D. Coli

24. The microorganism which contains chlorophyll
A. Virus
B. Fungus
C. Algae
D. Virus

25.The disease caused by protozoa is
A. tuberculosis
B. polio
C. typhoid
D. tuberculosis

26.Which cannot fix atmospheric nitrogen in the soil?
A. Rhizobium
B. Clostridium
C. Azotobacter
D. Rhizobium

27.The disease caused by fungi is
A. measles
B. chicken pox
C. polio
D. measles

28.Which bacteria helps in settling of curd?
A. Rhizobium
B. Lactobacillus
C. Vibriocholarae
D. Rhizobium

29.Which microorganism causes AIDS?
A. A protozoa
B. A bacteria
C. A virus
D. A protozoa

30.Which of the following disease is spread due to bacteria?
A. Tuberculosis
B. Measles
C. Chicken pox
D. Tuberculosis


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