NEET Biology MCQ - Biological Classification Monera Protista Fungi Slime Moulds Viruses MCQ - Quiz-1 Solution

Q.1.

Which of the following option does not belong to Ascomycetes?

25%
a) They are saprophytic, coprophilous and parasitic.
26%
b) They include unicellular and multicellular forms.
35%
c) Their mycelium is coenocytic
14%
d) Aspergillus, Claviceps, Neurospora belong to this class.

Explanation

Q.2.

Select the wrong statement : [NEET 2018]

36%
a) Pseudopodia are locomotory and feeding structures in Sporozoans.
23%
b) Mushrooms belong to Basidiomycetes.
22%
c) Cell wall is present in members of Fungi and Plantae.
19%
d) Mitochondria are the powerhouse of the cell in all kingdoms except Monera.

Explanation

Q.3.

Oxygen is not produced during photosynthesis by .. [ NEET 2018]

10%
a) Cycas
18%
b) Nostoc
60%
c) Green sulphur bacteria
12%
d) Chara

Explanation

Q.4.

Ciliates differ from all other protozoans in [NEET 2018]

22%
a) using pseudopodia for capturing prey
31%
b) having a contractile vacuole for removing excess water
20%
c) using flagella for locomotion
26%
d) having two types of nuclei

Explanation

Q.5.

Chemosynthetic and anoxygenic photosynthesis are common in the following kingdom:

49%
a) Monera
22%
b) Protista
21%
c) Fungi
8%
d) Plantae

Explanation

Q.6.

Which among the following description is wrong about chrysophytes?

16%
a) Diatoms are the chief producers of the ocean
26%
b) Silicified cell wall of diatoms is called frustale
46%
c) They appear yellow, green, brown, blue or red depending upon the pigment present in their cells
12%
d) Their cell wall forms two thin overlapping shells which fit together as in a soap box.

Explanation

Q.7.

Septate mycelium and dikaryon formation is common in the following class/classes of fungi:

17%
a) Phycomycetes and Ascomycetes
45%
b) Ascomycetes and Basidiomycetes
23%
c) Phycomycetes, Ascomycetes and Basidiomycetes
16%
d) Deuteromycetes only.

Explanation

Q.8.

Which is the smallest plant virus?

18%
a) Tobacco necrosis virus
25%
b) Satellite tobacco necrosis virus
46%
c) Tobacco mosaic virus.
12%
d) Potato mosaic virus.

Explanation

Q.9.

iatoms and golden algae belong to:

64%
a) Chrysophytes.
19%
b) Dinoflagellates.
13%
c) Euglenoids
3%
d) Protozoans

Explanation

Q.10.

The powerful hallucinogen LSD is obtained from a fungus:

28%
a) Aspergillus niger
32%
b) Claviceps purpurea.
23%
c) Neurospora
16%
d) Penicillium chrysogenum.

Explanation

Q.11.

elect the correct combination of the statements (a-d) regarding the characteristics of certain organisms: (a) Methanogens are Archaebacteria which produce methane in marshy areas. ( b) Nostoc is a filamentous blue - green alga which fixes atmospheric nitrogen. (c) Chemosynthetic autotrophic bacteria synthesise cellulose from glucose. (d) Mycoplasma lacks a cell wall and can survive without oxygen.

11%
a) b and c
27%
b) a, b, c
24%
c) b, c, d
38%
d) a, b, d.

Explanation

Q.12.

Match the following:

Column I	Column II	Column III
a) Ascomycetes	(i) Trichoderma	p) Aplanospores
b) Phycomycetes	(ii) Neurospora	q) No sexual spores
c) Deuteromycetes	(iii) Albugo	r) Conidiospores
d) Basidiomycetes	(iv) Amantia	s) Oospores

19%
a) a-(ii)-s, b-(i)-q, c-(iii)-p, d-(iv)-r.
24%
b) a-(ii)-p, b-(i)-q, c-(iii)-r, d-(iv)-s.
46%
c) a-(ii)-r, b-(iii)-p, c-(i)-r, d-(iv)-q
11%
d) a-(iii)-q, b-(i)-s, c-(ii)-r, d-(iv)-q

Explanation

Q.13.

How many of the following fungi belong to the class Ascomycetes. Ustilago, Trichoderma, Aspergillus, Albugo, Saccharomyces, Mucor, Lycoperdon, Claviceps, Amantia, Neurospora, Penicillium.

30%
a) 4
34%
b) 5
30%
c) 6
7%
d) 7

Explanation

Q.14.

Which among the following are protistan algae?

21%
a) Slime moulds and Ciliates
35%
b) Chrysophytes and Dinoflagellates
23%
c) Chrysophytes and Slime moulds
21%
d) Euglenoids and Ciliates

Explanation

Q.15.

Choose the correct match:

25%
a) Zoospores – Endogenous – Sexual spores.
22%
b) Conidiospores – Endogenous – Asexual spores.
30%
c) Ascospores – Endogenous – Sexual spores.
23%
d) Basidiospores – Exogenous – Asexual spores.

Explanation

Q.16.

Obligate parasitic fungi on plants are seen in:

31%
a) Phycomycetes.
31%
b) Ascomycetes
31%
c) Basidiomycetes.
6%
d) Deuteromycetes.

Explanation

Q.17.

Trichodesmium erythreum causes red sea, but red tide is caused by some members of dinoflagellates, it also causes paralytic shell fish poisoning due to a toxin called Saxitoxin. The member is: `

15%
a) Vorticella
19%
b) Ceratium
13%
c) Noctiluca
53%
d) Gonyaulux

Explanation

Q.18.

Hook shaped outgrowth or clamp connections are used for proper distribution of dikaryon at the time of cell division. It is found in which group of fungi:

40%
a) Basidiomycetes
28%
b) Ascomycetes
19%
c) Phycomycetes
12%
d) Oomycetes

Explanation

Q.19.

ow many organisms in the list given below contain the fruiting body- Ascocarp? Saccharomyces, Agaricus, Pythium, Ustilago, Peziza, Neurospora, Erysiphae, Penicillium, Rhizopus, Claviceps.

37%
a) 5
39%
b) 6
18%
c) 7
6%
d) 8

Explanation

Q.20.

Prions are composed largely of Prp-proteins, discovered by Stanley B Prusiner. The disease associated with Prions is/are:

9%
a) Kuru (Laughing disease).
34%
b) Madcow disease.
16%
c) Creutzfeldt – Jakob disease.
41%
d) All the above.

Explanation

Q.21.

Moneran cell wall is mainly composed of:

41%
a) Polysaccharides and amino acids.
10%
b) Lipids and amino acids
26%
c) Polysaccharides and silica.
23%
d) Cellulose and silica.

Explanation

Q.22.

Which among the following organisms in kingdom Monera completely lack a cell wall?

13%
a) Halophiles.
21%
b) Cyanobacteria.
59%
c) Mycoplasma.
7%
d) Euglenoids.

Explanation

Q.23.

Organisms which contribute to the formation of diatomaceous earth belong to:

22%
a) Dinoflagellates
12%
b) Euglenoids.
13%
c) Slime moulds.
53%
d) Chrysophytes.

Explanation

Q.24.

The members of this group are either free-living or parasitic. They have flagella. The parasitic forms cause diseases such as sleeping sickness. This description is that of:

18%
a) Ciliated protozoans.
54%
b) Flagellated protozoans
19%
c) Sporozoans.
9%
d) Euglenoids.

Explanation

Q.25.

Choose the incorrect option:

15%
a) Mucor – Phycomycetes
18%
b) Alternaria – Deuteromycetes
46%
c) Aspergillus – Basidiomycetes
20%
d) Neurospora – Ascomycetes

Explanation

Q.26.

Mesosomes in bacteria are considered equivalent to mitochondria. What is correct for mesosomes?

16%
a) They contain respiratory enzymes like cytochrome oxidase and dehydrogenase
16%
b) They are infoldings of cell membrane to increase surface area.
14%
c) They are attached to nucleoid to provide energy during binary fission and help in nucleoid separation and septa formation.
55%
d) All of the above.

Explanation

Q.27.

Who demonstrated that the extract of the virus infected plants of tobacco could cause infection in healthy plants:

35%
a) D.J. Ivanowsky
34%
b) M.W. Beijerinek.
22%
c) W.M. Stanley
9%
d) Louis Pasteur

Explanation

Q.28.

The protein coat of virus is known as:

65%
a) Capsid.
16%
b) Capsomeres.
14%
c) Nucleoid.
5%
d) Glycocalyx.

Explanation

Q.29.

atch Column I with Column II.

Column I	Column II
a) Water mould	Saprolegnia
b) Spongy mushroom	Peziza
c) Cup fungus	Morchella
d) Puffball	Lycoperdon
e) Bracket fungi	Polypores
f) Budding fungus	Saccharomyces
g) Beard of old man	Usnea
h) Wonder drug	Penicillium

14%
a) a→1, b→2, c→3, d→4, e→5, f→6,g→7 h→8
45%
b) a→1, b→3, c→2, d→4, e→5, f→6,g→7 h→8
32%
c) a→1, b→3, c→2, d→5, e→4, f→7,g→6 h→8
9%
d) a→1, b→3, c→2, d→5, e→4, f→6,g→7 h→8

Explanation

Q.30.

Red rot of sugarcane is caused by:

27%
a) Albugo candida
22%
b) Claviceps purpurea.
33%
c) Phytophthora infestans
18%
d) Colletotrichum falctum

Explanation

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