NEET Biology MCQ - Biological Classification Viruses, Viroids, Prions And Kingdome Monera MCQ - Quiz-4 Solution

Q.1.

Bacteria possess the organelle …[ BHU 1999]

7%
a) Golgi bodies
60%
b) Mesosomes
0%
c) Mitochondria
33%
d) All the above

Explanation

Q.2.

Which one does not evolve oxygen … [ CPMT 1999]

43%
a) Photosynthetic bacteria
36%
b) Blue green algae
14%
c) Green algae
7%
d) Autotrophic plants

Explanation

Q.3.

Fruit, meat and milk are preserved at room temperature through the process of … [ AFMC 1998]

15%
a) Pasteurisation
38%
b) Fridge
38%
c) Dehydration
8%
d) Vernalisation

Explanation

Q.4.

Organisms which obtain energy by oxidation of reduced inorganic compounds are … [ CBSE 2002]

20%
a) Photoautotrophs
10%
b) Saprotrophs
10%
c) Coproheterotrophs
60%
d) Chemoheterotrophs

Explanation

Q.5.

Nif genes occur in … ..[CPMT 2004]

8%
a) Penicillium
58%
b) Rhizobium
8%
c) Aspergillus
25%
d) Streptococcus

Explanation

Q.6.

In which kingdom would you include archaea and nitrogen fixing organisms in the five kingdom classification … [ CBSE 2003]

0%
a) Plantae
20%
b) Fungi
0%
c) Protista
80%
d) Monera

Explanation

Q.7.

Find correct match

List I	List II
M13 bacteriophage	dsRNA
Rice Dwarf Virus	ss RNA
Cauliflower Mosaic Virus	ss DNA
Polio Virus	ds DNA

50%
a) a – iii, b – i, c – iv, d -ii
20%
b) a – ii, b – i, c – iii, d –iv
20%
c) a – iii, b – Iv, c – ii, d –i
10%
d) a – iv, b – iii, c – i, d -ii

Explanation

Q.8.

Archaea differ from eubacteria in one of the following features …

11%
a) They have a rigid wall
56%
b) Their cell wall lacks peptidoglycan component
22%
c) They have 16 SRNA
11%
d) They are very ancient

Explanation

Q.9.

Botulism caused by Clostridium botulinum affects … .. [ CBSE 1998]

0%
a) Spleen
22%
b) Intestine
56%
c) Neuromuscular junctions
22%
d) Lymph glands

Explanation

Q.10.

Which of the following statements is correct … [ DPMT 2009]

9%
a) All bacteria are heterotrophic
36%
b) Bacteria are either heterotrophic or chemoautotrophic
27%
c) Bacteria are either photoautotrophic or chemoautotrophic
27%
d) Bacteria can also be photoautotrophic

Explanation

Q.11.

Nitrogen fixation is performed by … .. [ AMU 1999]

0%
a) Green algae and fungi
11%
b) Fern and cycads
0%
c) Legumes and cereals
89%
d) Blue-green algae and bacteria

Explanation

Q.12.

Bacteria obtaining energy by oxidation of inorganic substances are … .. [ MPPMT 1999]

30%
a) Chemolithotrophs
60%
b) Chemo-organotrophs
0%
c) Photolithotrophs
10%
d) Photo-organotrophs

Explanation

Q.13.

Which is not a method of genetic recombination is bacteria? [ AIIMS 1998]

12%
a) transformation
12%
b) transduction
62%
c) translation
12%
d) conjugation

Explanation

Q.14.

In blue green algae, photosynthesis occurs in … [ CMC 2003]

0%
a) Cytoplasm
57%
b) Grana
0%
c) Nucleoid
43%
d) Membranous lamellae

Explanation

Q.15.

Match the columns and find out the correct combination

a)Treponema pallidum	i)Plague
b)Yersinia pestis	ii)Anthrax
c)Bacillus anthracis	ii)Syphilis
d)Vibrio	iv) Cholera

43%
a) a - i, b – iii , c - ii, d - iv
29%
b) a - iii, b – i , c - ii, d – iv
14%
c) a - iv, b – iii , c - i, d – ii
14%
d) a - ii, b – iii , c - i, d – iv

Explanation

Q.16.

What is true … [ KCET 2004]

0%
a) Diatoms produce basidiospores
43%
b) Heterocysts occur in Nostoc
14%
c) Fronds develop in bryophytes
43%
d) Multiciliate sperms occur in angiosperms

Explanation

Q.17.

Proteinaceous infectious particles causing diseases are … [ CBSE 2010]

33%
a) Prions
33%
b) Viroids
33%
c) Viruses
0%
d) Chlamydia

Explanation

Q.18.

In root nodules of legumes, leghaemoglobin … [ DPMT 2009]

33%
a) Transports oxygen to root nodules
33%
b) Acts as an oxygen scavenger
33%
c) Acts an a catalyst in transamination
0%
d) Provides energy to nitrogen fixing bacteria

Explanation

Q.19.

Amino acid found only in bacteria and cyanobacteria is … [ kerala 2003]

33%
a) Muramic acid
22%
b) Methionine
11%
c) Glutamic acid
33%
d) Diaminopimelic acid

Explanation

Q.20.

Iron chelating substance is produced by a growth promoting rhizobacterium … [ kerala 2004]

33%
a) Rhizobium japonicum
50%
b) Azospirillum
17%
c) Pseudomonas putida
0%
d) Aspergillus

Explanation

Q.21.

Which of the following is essential for nitrogen fixation in legumes?

0%
a) Anthocyanin
20%
b) Phycocyanin
20%
c) Phycoerythrin
60%
d) Leghaemoglobin

Explanation

Q.22.

Witches Broom of Potato Tree is caused by … [ RPMT 1998]

0%
a) Mycoplasma
20%
b) Bacteria
80%
c) Viruses
0%
d) All the above

Explanation

Q.23.

The bacterium ( Clostridium botulinum) that causes botulism is … [ DPMT 1999]

40%
a) Obligate aerobe
0%
b) Facultative aerobe
40%
c) Facultative anaerobe
20%
d) Obligate anaerobe

Explanation

Q.24.

Statements regarding Frankia are correct except … [ CBSE 2005]

33%
a) Induction of root nodules in many plants species
33%
b) Like Rhizobium, it infects host through root hair and induces proliferation of cortex.
17%
c) Form specialized vesicles in which nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids
17%
d) Cannot fix nitrogen in free state

Explanation

Q.25.

Bacteriophage releases lysozyme at …. [ CPMT 2007]

0%
a) Absorption phase
50%
b) Penetration phase
17%
c) Eclipse phase
33%
d) Maturation phase

Explanation

Q.26.

Pigments phycocyanin and phycoerythrin occur in … [ kerala 2005]

0%
a) Bacillariophyceae
20%
b) Archaebacteria
40%
c) Eubacteria
40%
d) Cyanobacteria

Explanation

Q.27.

Host of TMV is … .. [ Odisha 2007]

20%
a) Nicotiana
40%
b) Triticum
40%
c) Datura
0%
d) Withania

Explanation

Q.28.

A symbiotic bacterium is … [ DPMT 2009]

20%
a) Erwinia amylovora
40%
b) Rhizobium leguminosarum
20%
c)Xanthomonas campestris
20%
d) Agrobacterium tumefaciens

Explanation

Q.29.

On the basis of rRNA genes, bacteria are divided into … [ Odisha 2008]

0%
a) Cyanobacteria and Mycoplasma
20%
b) Actinomycetes and Mycoplasma
60%
c) Bacteria and Archaebacteria
20%
d) Gram(+) and Gram(-)

Explanation

Q.30.

Azolla has a symbiotic relationship with …. [ CBSE 2004]

0%
a) Chlorella
40%
b) Anabaena
40%
c) Nostoc
20%
d) Tolypothrix

Explanation

Q.31.

Match the columns and find the correct answer.

a)Streptomyces;	p) food poisoning
b)Rhizobium	q)Source of antibiotics
c)Nitrosomonas	r)Nitrogen fixation
d)Acetobacter	s)Nitrification
- -	t) Vinegar synthesis

17%
a) a –s , b – t, c –p, d - r
17%
b) a –t , b – p, c –r, d – s
33%
c) a –q , b – r, c –p, d – t
33%
d) a –q , b – r, c –s, d – t

Explanation

Q.32.

A bacterium which has been genetically modified to control pollution is …. [ CPMT 1998]

20%
a) Pseudomonas
40%
b) Rhizobium
20%
c) Nitrobacter
20%
d) Nitrosomonas

Explanation

Q.33.

Organisms found in extreme temperatures are … [ DPMT 2001]

0%
a) Fungi
0%
b) Cyanobacteria
40%
c) Eubacteria
60%
d) Archaebacteria

Explanation

Q.34.

Which one is not matched …[CBSE 2004]

0%
a) Streptomyces – Antibiotic
20%
b) Serratia – Durg addition
40%
c) Rhizobium – Biofertilizer
40%
d) Spirulina – Single cell protein

Explanation

Q.35.

What is true of mycoplasma ..[ HPPMT 2016]

20%
a) They completely lack cell wall
40%
b) They are the smallest living cells known
20%
c) They can survive without oxygen
20%
d) All the above

Explanation

Q.36.

All monerans …. [ Pb. PMT 2005]

0%
a) Contain DNA and RNA
40%
b) Are bacteria
20%
c) Demonstrate a circular strand of DNA without a covering of nuclear membrane
40%
d) All of these

Explanation

Q.37.

Cryptogram of TMV is … .. [ CPMT 2004]

0%
a) R/1, 1/8, S/S, S/Af
0%
b) R/2, 1/5, E/P, O/S
20%
c) R/1, 2/5, E/E, S/O
80%
d) R/1, 2/7, E/E, S/O

Explanation

Q.38.

A bacterium having flagella on the opposite ends is … [ CPMT 2001]

20%
a) Monotrichous
40%
b) Lophotrichous
20%
c) Amphitrichous
20%
d) Polytrichous

Explanation

Q.39.

Which ones are the most primitive amongst the following? [ BHU 2005]

0%
a) Bryophytes
14%
b) Gymnosperms
57%
c) Monocots
29%
d) Cyanobacteria

Explanation

Q.40.

Bacterial pili are involved in … [ CMC 2003]

0%
a) Asexual reproduction
60%
b) Sexual reproduction
20%
c) Saprophytic nutrition
20%
d) Antibiotic resistance

Explanation

Q.41.

Which one is a prokaryote?

20%
a) Entamoeba
0%
b) Saccharomyces
20%
c) Paramecium
60%
d) E coli

Explanation

Q.42.

Nostoc has a characteristic … ..[MPPMT 1998]

0%
a) Non-cellulosic cell wall
20%
b) Uniflagellate zoospore
60%
c) Chlorophylle
20%
d) Sexual reproduction

Explanation

Q.43.

RNA like particles that causes disease are … .. [ Pb PMT 2007]

20%
a) Virus
60%
b) Viroids
0%
c) Viruses
20%
d) Mycoplasma

Explanation

Q.44.

Phylogenetic classification is based on … .. [ CBSE 1994]

0%
a) Utilitarian system
20%
b) Habits
40%
c) Overall similarities
40%
d) Common evolutionary descent

Explanation

Q.45.

Viroid causes .. .. [ MPPMT 2007]

0%
a) Cauliflower mosaic
60%
b) Potato spindle mosaic
20%
c) Tobacco mosaic
20%
d) Tulip yellow mosaic

Explanation

Q.46.

Cyanophyceae or blue-green algae possess … .. [ DPMT 1991]

0%
a) Definite nucleus but no plastid
0%
b) Definite plastid but no definite nucleus
60%
c) Definite nucleus and plastid
40%
d) Neither definite nucleus nor definite plastid

Explanation

Q.47.

What is not true of retrovirus … .. [ CBSE 2004]

14%
a) DNA has no role in life cycle
29%
b) There is a gene for RNA dependent DNA polymerase
14%
c) Genetic material is RNA
43%
d) They are causative agent for certain cancers

Explanation

Q.48.

Nostoc is … [ MPPMT 1999]

0%
a) Bacteriophage
0%
b) Beaded bacterium
100%
c) Cyanobacterium
0%
d) Parasite

Explanation

Q.49.

Which is source of Vitamin B12 … [ AMU 2003]

0%
a) Pseudomonas
40%
b) Spirulina
20%
c) Nostoc
40%
d) Oscillatoria

Explanation

Q.50.

Pasteurisation is carried out at … [ CPMT 2009]

0%
a) 30°C for 20 minutes
60%
b) 40°C for 30 minutes
20%
c) 30°C for 60 minutes
20%
d) 62°C for 30 minutes

Explanation

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