NEET Biology
Biological Classification
Question 1:
A given unicellular organism with a eukaryotic organisation and exhibiting heterotrophic mode of nutrition is placed in the kingdom: [Level: Moderate]
(a) Monera
(b) Fungi
(c) Protista
(d) Animalia
Question 2:
The bacteria which live in extremely high temperatures as in hot springs are called: [Level: Moderate]
(a) halophiles
(b) thermoacidophiles
(c) methanogens
(d) thermophiles
Question 3:
Which of the following was NOT the main criteria used by R.H. Whittaker while classifying organisms into five kingdoms? [Level: Moderate]
(a) Cell structure
(b) Nature of cell wall
(c) Body organisation
(d) Phylogenetic relationships
Question 4:
Which of the following group of bacteria are characterised by a comma-shape? [Level: Easy]
(a) Cocci
(b) Bacilli
(c) Vibrio
(d) Spirilla
Question 5:
Which of the following bacteria can fix atmospheric nitrogen through heterocysts? [Level: Easy]
(a) Mycobacterium
(b) Nostoc
(c) Methanobacterium
(d) Vibrio
Question 6:
Find out the incorrect statement: [Level: Difficult]
(a) Cell wall is present in members of kingdom Fungi and Plantae.
(b) Pseudopodia are the locomotory organs in amoeboid protozoans.
(c) Truffels and morels belong to class Ascomycetes.
(d) The malarial parasite Plasmodium belongs to the group of protozoans with flagella as their locomotory organ.
Question 7:
The smallest living organism that completely lack a cell wall and can survive without oxygen is: [Level: Moderate]
(a) Methanobacterium
(b) Nostoc
(c) Mycoplasma
(d) Archaebacteria
Question 8:
The walls of diatoms are indestructible due to deposition of: [Level: Moderate]
(a) calcium
(b) phosphorus
(c) silica
(d) alginate
Question 9:
Which of the following protists form red tides? [Level: Easy]
(a) Diatoms
(b) Gonyaulax
(c) Trypanosoma
(d) Plasmodium
Question 10:
Given below are few characteristics of a group of protists. Study the same and identify the group to which they belong: [Level: Difficult]
I. Members are generally marine and photosynthetic with red, blue, green, yellow or brown appearance based on the main pigment present.
II. Cell wall has stiff cellulose plates on the outer surface.
III. Mostly have two flagella – one longitudinal and the other transverse present in a furrow between the wall plates.
(a) Euglenoids
(b) Chrysophytes
(c) Dinoflagellates
(d) Slime moulds
Question 11:
To which of the following categories do saprophytic protists? [Level: Moderate]
(a) Euglenoids
(b) Chrysophytes
(c) Dinoflagellates
(d) Slime moulds
Question 12:
Which among the following forms of protozoans cause sleeping sickness? [Level: Moderate]
(a) sporozoan
(b) flagellated protozoan
(c) ciliated protozoan
(d) amoeboid protozoan
Question 13:
Which of the following pairs of fungal classes show ‘dikaryophase’? [Level: Difficult]
(a) Phycomycetes and Ascomycetes
(b) Basidiomycetes and Ascomycetes
(c) Ascomycetes and Deuteromycetes
(d) Deuteromycetes and Phycomycetes
Question 14:
Which of the following is not a sac fungus? [Level: Moderate]
(a) Rhizopus
(b) Neurospora
(c) Claviceps
(d) Penicillium
Question 15:
Which of the following diseases is not caused by prions? [Level: Moderate]
(a) Bovine spongiform encephalopathy (BSE)
(b) Mad cow disease
(c) Cr-Jacob disease
(d) Tobacco mosaic disease
Question 16:
Statement I: [Level: Difficult]
Alternaria, Colletotrichum and Trichoderma are called imperfect fungi.
Statement II:
Imperfect fungi lack asexual phase in their life cycle.
With respect to the statements given above, choose the correct answer from the options given below:
(a) Statement I is correct but Statement II is incorrect.
(b) Statement I is incorrect but Statement II is correct.
(c) Both Statement I and Statement II are incorrect.
(d) Both Statement I and Statement II are correct.
Question 17:
Match the items given in Column I to Column II and find the correct answer from the options given below: [Level: Difficult]
Column I |
Column II |
1. Ustilago |
(i) Ascomycetes |
2. Colletotrichum |
(ii) Deuteromycetes |
3. Saccharomyces |
(iii) Basidiomycetes |
4. Albugo |
(iv) Phycomycetes |
|
1. |
2. |
3. |
4. |
(a) |
(iii) |
(ii) |
(iv) |
(i) |
(b) |
(ii) |
(iii) |
(iv) |
(i) |
(c) |
(iii) |
(ii) |
(i) |
(iv) |
(d) |
(ii) |
(iii) |
(iv) |
(i) |
Question 18:
Which among the following is correct with regards to ‘viroids’? [Level: Moderate]
(a) Viroids have free RNA without protein coat.
(b) Viroids have free DNA without protein coat.
(c) Viroids have RNA with protein coat.
(d) Viroids have DNA with protein coat.
Question 19:
The algal component in the symbiotic association between the algae and fungi is called: [Level: Easy]
(a) phaeobiont
(b) mycobiont
(c) protobiont
(d) phycobiont
Question 20:
Which of the following classes of fungi are called ‘imperfect fungi’? [Level: Easy]
(a) Ascomycetes
(b) Basidiomycetes
(c) Phycomycetes
(d) Deuteromycetes
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