1. Select the Pair That Consists of Plant and Animal Bacterial Diseases

1. Select the pair that consists of plant and animal bacterial diseases.

(a)Cholera and typhoid (b)Citrus canker and crown gall

(c)Malaria and dengue(d)Both (a) and (b)

2.Bacteria are grouped under four categories according to their shape. Study the given figures and slecet the correct

option regarding this.

A B C D

(a)CocciBacilliSpirilliaVibrio

(b)SpirilliaBacilliVibrioCocci

(c)BacilliSpirilliaVibrioCocci

(d)BacilliSpirilliaCocciVibrio

3. Read the following statements regarding methanogens and select the correct option

(i)They are included in the group Archaebacteria.

(ii)They are responsible for the production of biogas in gobar gas plants.

(iii)They live in hot sulphur springs.

(iv)They are strictly anaerobic.

(a)Statements (i) and (ii) are correct.

(b)Statements (i), (ii) and (iv) are correct.

(c)Statements (ii), (iii) and (iv) are correct.

(d)All statements are correct.

4. Cynobacteria are used in agricultural fields for crop improvement because they cause

(a)N2 fixation(b)algal blooms

(c)photosynthesis(d)all of these

5. The kingdom Protista forms a

(a)Plantae (b)Fungi (c)Animalia(d)all of these

6. Study the given figure showing structure of Euglena, and select the option that correctly identifies A, B, C and D

A B C D

(a)Cytostome PhotoreceptorParamylum bodiesMyonemes

(b)Contractile vacuolePhotoreceptorParamylum bodiesChloroplast

(c)CytostomeStigmaParamylum bodiesChloroplast

(d)CytostomeStigmaMyonemesChloroplast

7.Match column-I with column-II and select the correct option from the codes given below

Column-IColumn-II

A.Chief producers in oceans(i)Euglenoids

B.Red tides(ii)Diatoms

C.Moxotrophic nutrition(iii)Slime moulds

D. Plasmodium(iv)Dinoflagellates

(a)A-(ii), B-(iv), C-(i), D-(iii)

(b)A-(ii), B-(iv), C-(iii), D(i)

(c)A-(ii), B-(iii), C-(i), D-(iv)

(d)A-(i), B-(iv), C-(iii), D-(ii)

8.The given statements describe a group of organisms.

(i)Instead of cell wall they have a protein rich pellicle making their body flexible.

(ii)They have 2 flagella, a short and a long one

(iii)They show mixotrophic nutrition

(iv)They are connecting links between plants and animals

Which of the following is referred here?

(a)Dinoflagellates (b)Slime moulds (c)Desmids and diatoms (d)Euglenoids

9. The Sporozoa are all internal ____ that typically have an infective syst stage in their life cycle. An example of Sporozoa

is the genus ____ which causes malaria.

(a)ciliates, Plasmodium(b)flagellates, Plasmodium

(c)parasites, Plasmodium(d)parasites, Trypanosoma

10. Which of the following options incorrectly distinguishes the kingdoms Monera and Protista?

MoneraProtista

(a)Includes unicellularIncludes multicellular

Prokaryoteseukaryotes

(b)Membrane bound cell Membrane bound cell

organelles are absentOrganelles are present

(c)Cell wall when present, Cell wall, if present,

made up of peptidoglycanscontains cellulose

(d)Flagella, when present, Flagella and cilia when present, made

comprise of protein flagellinup of protein tubulin

11. Match column-I with column-II and select the correct options from the codes given below.

Column-IColumn-II

A.Phycomycetes(i)Sac fungi.

B.Ascomycetes(ii)Algal fungi.

C.Basidiomycetes(iii)Fungi imperfecti

D. Deuteromycetes(iv)Club fungi.

(a)A-(ii), B-(i), C-(iv), D-(iii)

(b)A-(ii), B-(iv), C-(i), D(iii)

(c)A-(iv), B-(i), C-(ii), D-(iii)

(d)A-(iv), B-(iii), C-(ii), D-(i)

12. Select the correct option that identifies the different genera (A, B, C and D) of kingdom fungi shown in figure

A B C D

(a)MucorSaccharomycesMorchellaAmanita

(b)MucorSaccharomycesPenicilliumAgaricus

(c)RhizopusSaccharomycesAspergillusMorchella

(d)AspergillusRhizopusPenicilliumAgaricus

13. Which of the following statements is not correct regarding the class Ascomycetes?

(a)Conidia are the asexual spores produced endogenously on conidiophores.

(b)Ascospores are the sexual spores produced endogenously in asci.

(c)Aspergillus, Neurospora and Claviceps are Ascomycetes fungi.

(d)Mycelium is generally branched and septate in Ascomycetes.

14. Select the incorrect match

(a)Morels and truffles – Phycomycetes

(b)Puff balls and toad stools – Basidiomycetes

(c)Early blight of potato –Alternia solani

(d)Late blight of potato – Phytophthora infestans

15. . Match column-I with column-II and select the correct option from the codes given below

Column-IColumn-II

A.Edible delicacies(i)Penicillium, Streptomyces

B.Experimental genetics(ii)Neurospora crassa

C.Source of antibiotics(iii)Puccinia, Ustilago

D. Rust and smut diseases(iv)Morels and truffles

(a)A-(iv), B-(ii), C-(iii), D-(i)

(b)A-(iii), B-(i), C-(ii), D(iv)

(c)A-(iv), B-(ii), C-(i), D-(iii)

(d)A-(iv), B-(iii), C-(ii), D-(i)

16Which of the following statements regarding viruses are correct?

(i)These are cellular, infectious, nucleoprotein particles.

(ii)They can be grown in culture medium.

(iii)Genetic material is either DNA or RNA, but never both.

(iv)They can be crystallized.

(a)(i) and (ii)

(b)(ii) and (iii)

(c)(iii) and (iv)

(d)(i), (ii), (iii) and (iv)

17.Which one of the following is an incorrect pair?

(a)Louis Pasteur-Coined the term ‘vaccine’

(b)Beijerinck-Contagium vivum fluidum

(c)Ivanowsky-Discovered retroviruses

(d)Stanley-Crysallised TMV

18. Read the following statement and select the option which correctly identifies the incorrect ones

(i)Potato spindle tuber disease and Chrysanthemum stunt disease are caused by viroids.

(ii)T4 bacteriophage exhibits lytic cycle.

(iii)Retroviruses have two copies od ssRNA

(iv)Interferons which prevent viral multiplication are glycolipid particles

(a)(ii) and (iii)

(b)(i) and (iv)

(c)(iii) only

(d)(iv) only

19. Match column-I with column-II and select the correct option from the codes given below

Column-IColumn-II

A.Plant virus(i)Kuru disease

B.Animal virus(ii)Potato spindle tuber

C.Viroids(iii)Polio

D. Prions(iv)Tobacco mosaic

(a)A-(iv), B-(iii), C-(ii), D-(i)

(b)A-(i), B-(ii), C-(iii), D(iv)

(c)A-(iii), B-(iv), C-(i), D-(ii)

(d)A-(ii), B-(iii), C-(iv), D-(i)

20. Muramic acid is present in the cell wall of

(a)Bacteria(b)Green algae

(c)Yeast(d)Rhizopus

21. Bacteria bearing flagella all over the body are called

(a)Peritrichous(b)Atrichous

(c)Monotrichous(d)Cephalotrichous

22. Alexander Flemming has worked on

(a)Streptococci(b)Diplococcus

(c)Staphylococci(d)All the above

23. When a bacterium is provided with flagella arising from two opposite ends, it is called

(a)Monotrichous(b)Lophotrichous

(c)Amphitrichous(d)Polytrichous

24. First organisms to evolve on the earth were

(a)Saprotrophs(b)Chemohetrotrophs

(c)Photoautotrophs(d)Chemoautotrophs

25. Smallest bacteria is

(a)Spirillium(b)Bacillus

(c)Dialister(d)None of these

26. Which one of the following organisms may respire in the absence of oxygen (a) Azotobacter (b) Clostridium

(c)Rhizobium(d)Lactobacillus

27. Colourless, unicellular, cell wall bound, spherical or rod-shaped micro-organism and lacking organized nucleus is called (a) Mycoplasma (b) Virus

(c)Bacteria(d)Cyanobacteria

28 Which of the following statements is correct

(a)E.coli gram –ve bacterium while Rhizobium japonicum is gram +ve bacterium

(b)Both E.coli and Rhizobium japonicum are gram –ve

(c)Both E.coli and Rhizobium japonicum are gram –ve

(d)E.coli is gram +ve, Rhizobium japonicum is gram –ve

29. Which of the following is famous mycologist of India

(a)P. Maheshwari(b)M.O.P. Iyengar

(c)K. Sharma(d)Sadasivan

30. The process in which viruses are involved in sexual reproduction of bacteria is called

(a)Transduction(b)Transcription

(c)Transformation(d)Translation

ANSWERS

1.(d)2.(c)3.(b)4.(a)5.(d)6.(c)7.(a)8.(d)9.(c)10.(a)

11.(a)12.(b)13.(a)14.(a)15.(c)16.(c)17.(c)18.(d)19.(a)20.(a)

21.(a)22.(a)23.(c)24.(b)25.(c)26.(b)27.(c)28.(c)29.(a)

Solutions

29.(a)In the process of transduction, virus is used as a carrier in the transfer of DNA from one bacterial cell to other.

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