The guts of cow and buffalo possess

 
  • Fucus sp
  • Chlorella sp
  • methanogens
  • cyanobacteria

Five kingdom system of classification suggested by R.H. Whittaker is based on:

  • Complexity of body organisation

  • Mode of reproduction

  • Mode of nutrition

  • All of the above

A location with luxuriant growth of lichens on the trees indicates that the :

  • Trees are very healthy

  • Trees are heavily infested

  • Location is highly polluted

  • Location is not polluted

The motile bacteria are able to move by

  • fimbriae

  • flagella

  • cilia

  • pili

Select the wrong statement:

  • Anisogametes differ either in structure, function or behaviour

  • In Oomycetes female gamete is smaller and motile, while male gamete is larger and non-moltile

  • Chlamydomonas exhibits both isogamy and anisogamy and Focus shows oogamy

  • Isogametes are similar in structure, fuction and behaviour

Which pair of the following belongs to Basidiomycetes?

  • Bird's nest fungi and Pufballs

  • Puffballs and Claviceps

  • Peziza and Stinkhorns

  • Morchella and Mushrooms

The thalloid body of a slime mould (Myxomycetes) is known as :

  • protonema

  • Plasmodium

  • fruiting body

  • mycelium

The bacterium (Clostridium botulinum) that causes botulism is:

  • a facultative anaerobe

  • an obligate anaerobe

  • a facultative aerobic

  • an obligate aerobic

What is common about Trypanosoma, Noctiluca, Monocystis and Giardia?

  • These are all unicellular protists

  • They have flagella

  • They produce spores

  • These are all parasites

Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread ? 
A) The temperature of about 25 °C 
B) The temperature of about 5 °C 
C) Relative humidity of about 5% 
D) Relative humidity of about 95% 
E) A shady place 
F) A brightly illuminated place 
Choose the answer from the following options:

  • A, C and E only

  • A, D and E only

  • B, D and E only

  • B, C and F only

Evolutionary history of an organism is known as:

  • Phylogeny

  • Ancestry

  • Palaeontology

  • Ontogeny

The causative agent of mad-cow disease is a:

  • bacterium

  • prion

  • worm

  • virus

Match the Column-I with Column-II

 

Column-I

 

Column-II

(a)

Saprophyte

(i)

Symbiotic association of fungi with plant roots

(b)

Parasite

(ii)

Decomposition of dead organic materials

(c)

Lichens

(iii)

Living on living plants or animals

(d)

Mycorrhiza

(iv)

Symbiotic association algae and fungi

Choose the correct answer from the options given below:

     (a)   (b)   (c)   (d)

  •    (ii)  (iii)   (iv)   (i)

  •    (i)    (ii)   (iii)   (iv)

  •    (iii)   (ii)   (i)   (iv)

  •    (ii)    (i)   (iii)   (iv)    

What is the correct order of the steps involved in the sexual cycle of organisms belonging to the Kingdom Fungi?
  • Meiosis in zygote — Plasmogamy — Karyogamy
  • Karyogamy — Meiosis in zygote — Plasmogamy
  • Plasmogamy — Karyogamy — Meiosis in zygote
  • Karyogamy — Plasmogamy — Meiosis in zygote

Assertion: Diatomaceous earth is used in polishing, filtration of oil and syrups.

Reason: Diatomaceous earth is gritty due to presence of silica.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  • 1
  • 2
  • 3
  • 4

State True (T) or False (F) to the given statements and
select the correct option
(A) Abundance of lichens in any area indicates that
the area is highly 2 SO polluted.
(B) Mycobiont partner of lichens is always
heterotrophic.
(C) Body of lichens is made up of phycobionts only.

     (A) (B) (C)

  •    T    T    F
  •    F    T    F 
  •    F    F    F
  •    T    F    F

One of the major components of cell wall of most fungi is :

  • Hemicelluloses                                      
  • Chitin
  • Peptidoglycan
  • Cellulose

Phylogenetic system of classification is based on
4.floral characters
  • evolutionary relationships
  • morphological features
  • chemical constituents
  • 4

Five kingdom system of classification suggested by R.H. Whittaker is not based on:
  • Presence or absence of a well defined nucleus
  • Mode of reproduction
  • Mode of nutrition
  • Complexity of body organization

Pick up the wrong statement:
  • Protista have photosynthetic and heterotrophic modes of nutrition
  • Some fungi are edible
  • Nuclear membrane is present in Monera
  • Cell wall is absent in Animalia

Which one of the following organisms is not an example of eukaryotic cells?
  • Paramoecium caudatum
  • Escherichia coli
  • Euglena viridis
  • Amoeba proteus

Cyanobacteria are classified under
  • Protista
  • Plantae
  • Monera
  • Algae

Mad cow disease in cattle is caused by an organism which has :

  •  Inert crystalline

  •  Abnormally folded protein

  •  Free RNA without protein coat

  •  Free DNA without protein coat

Match the organisms in column I with habitats in column II.

      Column I                              Column II

(a) Halophiles                        (i) Hot springs

(b) Thermoacidophiles            (ii) Aquatic environment

(c) Methanogens                    (iii) Guts of ruminants

(d) Cyanobacteria                  (iv) Salty areas

Select the correct answer from the options given below:

  •  (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)

  •  (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)

  •  (a)-(iii), (b)-(iv), (c)-(i), (d)-(i)

  •  (a)-(ii). (b)-(iv), (c)-(iii), (d)-(i)

Which of the following is correct about viroids?

  • They have free RNA without protein coat

  • They have DNA with protein coat

  • They have free DNA without protein coat

  • They have RNA with protein coat

Which of the following is not true for amoeboid protozoan?

  • Pseudopodia helps in feeding

  • Silica shells present in marine form

  • Contractile vacuole

  • Flagella helps in locomotion

Red tides are due to the rapid multiplication of

  • Cyanobacteria

  • Chlamydomonas

  • Gonyaulax

  • Diatoms

Choose the correct features regarding the most common asexual spores of sac fungi.

a. Haploid

b. Exogenous

c. Thick walled

d. Produced during unfavorable conditions

e. Grow in basipetal manner

 

  • a, c and d

  • a, b and c

  • b, c, d and e

  • All except c and d

Animals differ from plants in

  • Being multicellular

  • Having cell wall

  • Being heterotrophic

  • Being eukaryotic

Which of the following is incorrect about Cyanobacteria?

  • They are photoautotrophs

  • They lack heterocysts

  • They often form blooms in polluted water bodies

  • They have chlorophyll A similar to green plants

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Practice Botany Quiz Questions and Answers