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SECTION - A

Objective Type Questions

1. Heterocyst in blue green algae

(1) Lacks photosystem-I

(2) Are specialised cells for photosynthesis

(3) May perform reproduction

(4) Performs nitrogen fixation in aerobic condition

2. Mark the incorrect statement

(1) Chemoheterotrophic nutrition occurs in

Halobacterium

(2) Species of Mycoplasma are mostly parasitic

(3) Gramicidin antibiotic is eubacterial in origin

(4) Black leg, tetanus and anthrax diseases are

caused by same bacterial genus

3. Holophytic protistans are similar in the presence

of

(1) Primordial utricle (2) Chlorophyll-a

(3) -carotene (4) Cell wall

4. According to three kingdom classification, the

eukaryotic members are present in

(1) Protista only

(2) Fungi and plantae

(3) Animalia and monera

(4) All three kingdoms

5. Cytoplasm of the eubacterial cell

(1) Is granular due to presence of 80 ‘S’

ribosomes

(2) Lacks sap vacuoles

(3) Shows streaming movements

(4) Lacks gas vacuoles always

6. Members of the chrysophytes

(1) Are macroscopic planktons

(2) Are present in fresh water as well as in marine

water

(3) Have stiff cellulose plates on the outer surface

(4) Cause PSP in human beings

7. Mark the odd one (w.r.t. Euglena)

(1) Bears long tinsel type flagellum

(2) Shows dual mode of nutrition

(3) Sexual reproduction involves zygotic meiosis

(4) Paraflagellar body is a photosensitive structure

8. Somatic phase of the acellular slime moulds is

(1) Naked, multinucleate and diploid

(2) Walled, uninucleate and haploid

(3) Walled, multinucleate and diploid

(4) Naked, uninucleate and haploid

9. Which of the following feature is not concerned

with communal slime moulds?

(1) Anisogamous type of sexual reproduction

(2) Holocarpic and monocentric

(3) Spores have cellulosic wall

(4) Peridium is present in sporangia

10. In basidiocarp of Agaricus campestris, each gill

has

(1) Two zones of monokaryotic hyphae

(2) Three zones of monokaryotic and diploid

hyphae

(3) Three zones of dikaryotic hyphae

(4) Two zones of dikaryotic and diploid hyphae

Chapter 1

Biological Classification

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114 Biological Classification Last Leap for NEET (Part-I)

11. In which of the following statement all listed fungi

belong to the same class?

(1) Puff balls, honey mushroom, stinkhorn,

toadstools

(2) Deathcup, sponge mushroom, sacred

mushroom, shelf fungi

(3) Morels, truffles, pink mould, pin mould

(4) Ergot fungi, Baker’s yeast, stinkhorn, dung

mould

12. Which of the following is incorrectly matched?

(1) PSP – Dinoflagellates

(2) Statospores – Diatoms

(3) Pseudoplasmodium – Acellular slime moulds

(4) Diplanetism – Saprolegnia

13. Chemosynthetic autotrophic bacteria

(1) Play a great role in recycling nutrients

(2) Oxidises various organic substances

(3) Release O2 due to involvement of OEC

(4) Are most abundant in nature

14. Myxomycetes show

(1) Prokaryotic, pigmented, mycelial bacteria

(2) Pigmented, slimy body, photosynthetic fungi

bacteria

(3) Eukaryotic, non-pigmented, saprophytic

(4) Slimy body, prokaryotic, oxygenic

15. Fruiting bodies are edible for which of the fungi?

(1) Zygomycetes, oomycetes

(2) Basidiomycetes only

(3) Ascomycetes, basidiomycetes

(4) Phycomycetes, basidiomycetes

16. Bacteria differs from BGA in

(1) Being prokaryotic in nature

(2) Performing oxygenic photosynthesis

(3) Having peptidoglycan in cell wall

(4) Presence of flagella in some forms

17. All given features are characteristic to

dinoflagellates, except

(1) Pectocellulosic plates covering the body

(2) Presence of chlorophyll a and c as

photosynthetic pigments

(3) Bioluminiscent nature of certain members

(4) Their frustules can be used as bacterial filters

18. Crozier formation as a method of dikaryotisation,

a short dikaryotic phase with septa having central

pore and cleistothecium as fruiting body are

features related to

(1) Penicillium (2) Peziza

(3) Neurospora (4) Claviceps

19. Archaebacteria can survive in extremes of

conditions due to

(1) Presence of introns in DNA

(2) Branched chain lipid with phytanyl side group

in cell membrane

(3) Presence of more than one type of RNA

polymerase

(4) Absence of muramic acid in cell wall

20. Acellular slime moulds

(1) Do not possess capillitia in sporangium

(2) Have isogamous sexual reproduction and

zygotic meiosis

(3) Produce holocarpic and polycentric plasmodia

(4) Aggregate to form pseudoplasmodium

21. Select the incorrect statement w.r.t. edible

mushrooms.

(1) Rhizomorph do not have root cap like

structure

(2) Spawn is used for their culture

(3) Edible part is actually basidiocarp

(4) Dikaryotisation occurs by crozier formation

22. The causal agent of the disease responsible for

great Irish famine spreads by the formation and

release of

(1) Chlamydospores (2) Blastospores

(3) Conidiosporangia (4) Oidia

23. Sexduction phenomenon occurs due to

conjugation between

(1) F+ × F– (2) F+ × F+

(3) F– × F– (4) Hfr × F–

24. Gram positive bacteria have

(1) Only proximal set of rings as L and P

(2) Both proximal and distal set of rings

(3) Proximal set with S and M rings present in

plasma membrane

(4) Two rings present in LPS layer of cell wall

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115Last Leap for NEET (Part-I) Biological Classification

25. Cell envelope in bacteria consists of

(1) Plasma membrane only

(2) Plasma membrane and mesosome

(3) Glycocalyx only

(4) Glycocalyx, cell wall and plasma membrane

26. Find odd one out w.r.t. mode of nutrition in

bacteria

(1) Purple sulphur bacteria

(2) Sulphur bacteria

(3) Green sulphur bacteria

(4) Purple non sulphur bacteria

27. Which one of the following groups of bacteria

obtain energy by oxidizing nitrite into nitrate?

(1) Nitrosomonas and Penicillium

(2) Nitrosococcus and Nitrocystis

(3) Nitrocystis and Nitrobacter

(4) Nitrobacter and Nitrosomonas

28. When the plasmid integrates with bacterial

chromosome, it is called as

(1) F+ (2) Super female

(3) Super male (4) F–

29. Find the correct match w.r.t. role of bacteria

(a) Sewage disposal (i) Acetobacter

aerogens

(b) Curing of tobacco (ii) Clostridium

leaves butylicum

(c) Decomposition of (iii)Bacillus

DDT megatherium

(d) Riboflavin production (iv) Escherichia coli

(1) a(iv), b(iii), c(i), d(ii) (2) a(iv), b(ii), c(i), d(iii)

(3) a(iii), b(iv), c(i), d(ii) (4) a(ii), b(iii), c(i), d(iv)

30. Monerans showing oxygenic photosynthesis

(1) Are photolithotrophs

(2) Have nonpeptidoglycan nature of cell wall

(3) Have photoorganotrophic mode of nutrition

(4) Are Gram positive bacteria

31. Obligate anaerobic monerans with pseudomurein

in their cell wall

(1) Have exonic ss-DNA without histone

(2) Show photoautotrophic nutrition

(3) Show presence of introns

(4) Have unbranched chain of lipids in cell

membrane

32. Unicellular, simplest, free living prokaryotes which

are also said to be “Bacteria with their coats off”,

show one of the following features

(1) Colonies give fried egg like appearance in

culture medium

(2) Mycolic acid is present in their cell wall

(3) Pleomorphic nature with sculptured cell wall

(4) Reproduce by binary fission only

33. Organisms showing great diversity in the mode of

nutrition are included in

(1) Monera (2) Protista

(3) Fungi (4) Plantae

34. A group of protist is known as ‘whirling whips’

because of the

(1) Presence of pecto-cellulosic cell wall

(2) Spinning movement of flagella

(3) Presence of contractile and noncontractile

vacuole

(4) Emission of light during night

35. Which one of the following is incorrect for the

members of chrysophyta?

(1) These are nonmotile, bivalved organisms

(2) Presence of primordial utricle around a central

vacuole

(3) Reserve food materials are paramylon and

volutin granules

(4) Movement occurs by mucilage propulsion

36. Auxospores are formed in the life cycle of

diatoms, these structures are

(1) Vegetative cells with ploidy level N

(2) Asexual spores with ploidy level N

(3) Statospores with 2N ploidy level

(4) Sexual spores with ploidy level 2N

37. Holophytic spindle-shaped protistan with blunt

anterior end and pointed posterior end shows

which one of the following features ?

(1) Have heterokont acronematic flagella

(2) Photosensitive paraflagellar body is present

on the outer surface of reservoir.

(3) Stigma is attached to the membrane of the

reservoir

(4) Paramylon as reserve food material is stored

in the matrix of chloroplast.