Heterotrophic bacteria helps in…
TS EMCET-2022
BOTANY MODEL TESTS
1. Who was the first to attempt a more scientific basis of classification?
a) Linnaeus b) Aristotle
c) Whittaker
d) Bentham and Hooker
2. Aristotle classified plants in herbs, shrubs and trees on the basis of
a) Anatomical feature
b) Morphological characters
c) Physiological characters
d) Biochemical characters
3. In how many groups did Aristotle divide the animals on the basis of presence/absence of RBC?
a) 1 b) 2 c) 3 d) 4
4. Two kingdom classification does not distinguish between
a) Eukaryote and prokaryote
b) Unicellular and multi-cellular organisms
c) Photosynthetic (green algae) and non-photosynthetic (fungi) organisms d) All the above
5. In which year Whittaker proposed the five kingdom classification?
a) 1960 b) 1959
c) 1969 d) 1979
6. Whittaker’s kingdom are
a) Plantae and Animalia
b) Monera and Protista
c) Fungi d) All of these
7. How many main criteria were used by Whittaker for classification?
a) 1 b) 3 c) 4 d) 5
8. What is the criteria used by Whittaker for classification?
1) Cell structure
2) Thallus organization
3) Mode of nutrition
4) Reproduction
5) Phylogenetic relationship
6) Biochemical difference
7) Physiological character
a) All except (5) and (6)
b) All except (5) and (7)
c) All except (6) and (7)
d) All except (3) and (4)
9. In earlier classification (like two kingdoms), the following are included in plant
1) Bacteria, blue green algae, fungus
2) Mosses and fern
3) Gymnosperms and angiosperm
a) (1) only
b) (2) and (3) only (c) (3) only d) All of these
10. What is common to bacteria, mosses and fungus?
a) It is a mode of nutrition
b) Presence of cell wall
c) Autotrophic
d) Body organization
11. All prokaryotic groups are put under ———— kingdom
a) Monera b) Plantae
c) Fungi d) Protista
12. Kingdom protista contains
a) Blue green algae b) Fungi
c) Unicellular eukaryotes
d) All of these
13. Chlamydomonas, chlorella, paramecium and amoeba are placed in which kingdom of Whittaker’s classification?
a) Monera b) Plantae
c) Fungi d) Protista
14. Phylogeny refers to
a) Morphology
b) Physiology
c) Reproduction
d) Evolutionary relationship
15. Kingdom monera contains
a) Bacteria b)Dinoflagellate
c) Slime moulds d) Euglenoid
16. Most abundant microorganism are
a) bacteria b) virus
c) amoeba d) paramecium
17. Which of the following is incorrect about bacteria?
A) It is grouped under five categories on the basis of shape.
B) It can live in hot spring, deep ocean, snow and desert areas.
C) It can live as a parasite.
D) It is composed of simple behaviour and complex structure.
a) (A) and (B) only
b) (A) and (D) only
c) (B) and (C) only (d)
C) and (D) only
18. Most extensive metabolic diversity is found in
a) Protozoans b) Amphibian
c) Bacteria d) Fungi
19. Most of the bacteria are
a) Chemo-autotrophs
b) Photo-autotrophs
c) Heterotroph d) Holozoic
\Column I Column II
A. Salty area 1. Thermo acidophile
B. Hot spring 2. Methanogen
C. Marshy area 3. Halophiles
a) A‒3, B‒1, C‒2
b) A‒1, B‒2, C‒3
c) A‒2, B‒1, C‒3
d) A‒2, B‒3, C‒1
21. Archaebacteria can live in some of the most harsh habitats because of
a) Presence of mesosome
b) High power of multiplication
c) Special cell wall structure
d) All of these
22. Following are present in gut of cows and buffaloes and is responsible for the production of methane from the dung of these animals
a) Methanogen
b) Thermo acidophiles
c) Halophils d) All of these
23. Motile bacteria possess
a) Cilia b) Flagella
c) Both (a) and (b)
d) None of these
24. Which of the following stateme nts is true about cyanobacteria?
a) It is found in fresh water only.
b) It may be unicellular, colonial or filamentous.
c) They often form bloom in non-polluted fresh water bodies.
d) Colonies are not surrounded by gelatinous sheath.
25. Specialized cell of nostoc and anabaena fix nitrogen are known as
a) Cyst b) Heterocyst
c) Oocytes d) Cholecyst
26. Find out the total number of false statements:
A. Cyanobacteria have chlorophyll ‘a’ like green plants.
B. Bacteria which oxidizes various inorganic substance such as nitrates and ammonia and uses the released energy for ATP production are chemosynthesis autotrophic bacteria.
C. Heterotrophic bacteria are less in abundance in nature.
D. Majority of heterotrophic bacteria are decomposers.
E. Chemosynthetic autotrophic bacteria play an important role in recycling of nutrients like nitro gen, phosphorus iron and sulphur.
a) 1 b) 2 c) 3 d) 4
27. Heterotrophic bacteria helps in
a) Curding of milk
b) Production of antibiotic
c) Nitrogen fixation in leguminous plant
d) All of these
28. Select the total number of disease from the following caused by bacteria:
Mumps, Smallpox, Citrus can ker, Cholera, Typhoid, Tetanus, Sleeping sickness, Malaria
a) 2 b) 4 c) 5 d) 6
29. Which one is correct about reproduction in bacteria?
a) Mainly by binary fission
b) Spores are formed under unfavorable condition
c) Sexual reproduction by transfer of DNA from one to another d) All of these
30. Following features belong to
A. Complete lacking of cell wall
B. Anaerobic
C. Smallest living cell
D. Many of them are pathogenic to plant and animals
a) Chrysophytes b) Prions
c) Viroids d) Mycoplasma
31. Which of the following is incorrect about protista?
a) All are single cell eukaryotes
b) Some have flagella or cilia
c) Sexually reproduce by cell fusion and zygote formation
d) Members of protista are primarily terrestrial
32. Kingdom protista include
a) Chrysophyte
b) Dinoflagellate
c) Euglenoids d) All of these
33. Which kingdom of Whittaker are not well-defined?
a) Monera b) Protista
c) Fungi d) Animalia
34. Which of the following is correct about chrysophytes?
I. Found in fresh and marine water
II. Microscopic plankton
III. Cell walls are embedded with CaCO3
IV. Most of them are photosynthetic
a) I and III only
b) I, III and IV only
c) I, II and IV only
d) I and IV only
35. Chief producers in ocean are
a) Euglenoids
b) Dinoflagellate
c) BGA d) Chrysophytes
36. Chrysophytes include
a) Diatoms b) Golden algae
c) Desmids d) All of these
37. Diatomaceous earth is used in
a) Polishing
b) Filteration of oils
c) Filteration of syrups
d) All of these
38. In _______ cell wall forms two thin overlapping shells which fit together as in a soap box.
a) Dinoflagellates b) Diatoms
c) Euglenoids
d) None of these
39. Mostly marine, photosynthetic and biflagellate organisms are
a) Diatoms b) Desmids
c) Dinoflagellates d) Euglenoids
40. The following features belong to
I. Appear yellow, green, brown, blue and red depending on the pigment in cell.
II. Stiff cellulose plate forms cell wall.
III. One longitudiual and one transverse flagella present.
IV. Photosynthetic
a) Diatoms b) Desmids
c) Dinoflagellates d) Euglenoids
41. Red tide is because of
a) Desmids b) Gonyaulax
c) Euglena d) Red algae
42. Which of the following is true about gonyaulax?
a) Release toxin
b) Slow multiplication causing red tide
c) Heterotropic d) All of these
43. Habitat of euglenoids is
a) Fresh river water
b) Fresh stagnant water
c) Marine water
d) All of these
44. Mode of nutrition in euglenoids is
a) Autotropic b) Heterotropic
c) Symbiotic d) Mixotropic
45. Characteristic feature of euglenoids are
A. Presence of cell wall
B. Presence of two flagella
C. Photosynthetic in presence of sunlight
D. Presence of pellicle on their cell
a) A and D only
b) B and D only
c) B, C and D only
d) All of these
46. Euglenoids have flexible body because of
a) Cellulosic wall
b) Protein rich pellicle
c) Lipoic wall
d) Pectinic wall
47. Pigments of euglenoids are identical to
a) Bacteria b) Diatoms
c) Dinoflagellates
d) Higher plants
Answer key
1. b 2.b 3.b 4.d 5. c 6. d 7.d 8.c 9. d 10.b 11.a 12.c 13.d 14.d 15.a 16. a 17.b 18.c 19.c 20.a 21.c 22.a 23.b 24.b
25.b 26.a 27.d 28.b 29.d 30.d 31.d 32.d 33.b 34.c 35.d 36.d 37.d 38.b 39.c 40.c 41.b 42.a 43.b 44.d
45.c 46.b 47.d
Sabbidi Ramesh
Lecturer in Botany & Neet faculty,
Govt Junior College,
Banswada-
8179227595.
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