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Biological Classification

719 Questions Start Errorless Test
All Exams Allen Errorless
CPMT 1998 Q451 Errorless 3. Economic importance of bacteria_Monera MCQ
Which bacteria convert ammonium salts into nitrite
A.
Nitrobacter
B.
Nitrosomonas
C.
Azotobacter
D.
None of these
KCET 1998 Q452 Errorless 3. Economic importance of bacteria_Monera MCQ
Which of the following soil microorganism breaks down plant and animal protein into ammonia
A.
Bacillus vulgaris
B.
Nitrosomonas
C.
Pseudomonas
D.
None of the above
MP PMT 1998 Q453 Errorless 3. Economic importance of bacteria_Monera MCQ
One of the useful activities of several bacteria is
A.
Nitrogen fixation
B.
Nitrification
C.
Operation of biogeochemical cycles
D.
All of the above
CBSE PMT 1998; AIIMS 2000 Q454 Errorless 3. Economic importance of bacteria_Monera MCQ
The main role of bacteria in the carbon cycle involves
A.
Photosynthesis
B.
Assimilation of nitrogenous compounds
C.
Chemosynthesis
D.
Digestion or breakdown of organic compounds
AIIMS 1998 Q455 Errorless 6. Cyanobacteria/Blue green algae_Monera MCQ
Single filament of Nostoc without mucilage sheath is known as
A.
Hyphae
B.
Colony
C.
Trichome
D.
Mycelium
MP PMT 1998 Q456 Errorless 6. Cyanobacteria/Blue green algae_Monera MCQ
Nostoc is characteristic in having
A.
Cellulose cell wall
B.
Uniflagellated zoospores
C.
Chlorophyll 'e'
D.
Sexual reproduction
CPMT 1998 Q457 Errorless 7. Critical Thinking_Monera MCQ
Which one of the following is genetically improved bacteria for pollution control
A.
Pseudomonas
B.
Rhizobium
C.
Nitrobacter
D.
Nitrosomonas
CBSE PMT 1998 Q458 Errorless 7. Critical Thinking_Monera MCQ
A few organisms are known to grow and multiply at temperatures of 100 ā€“ 105Ā°C. They belong to
A.
Thermophilic subaerial fungi
B.
Marine archaebacteria
C.
Thermophilic sulphur bacteria
D.
Hot spring blue-green algae
CBSE PMT 1998; BHU 2004 Q459 Errorless 7. Critical Thinking_Monera MCQ
A bacterium divides every 35 minutes. If a culture containing 10āµ cells / ml is grown for 175 minutes. What will be the cell concentration / ml after 175 minutes
A.
175 Ɨ 10āµ cells
B.
85 Ɨ 10āµ cells
C.
35 Ɨ 10āµ cells
D.
32 Ɨ 10āµ cells
CPMT 1998 Q460 Errorless 9. Self Evaluation Test_Monera MCQ
The murein found in bacterial cell is
A.
Derivative of protein
B.
Derivative of fat
C.
Derivative of organic acids
D.
Derivative of sugars
BHU 1998; Manipal 2001 Q461 Errorless 10. Photosynthetic and consumer_Protists MCQ
Diatom frustule/shell is made of
A.
Silica
B.
Lime
C.
Magnesium carbonate
D.
Calcium
CPMT 1998 Q462 Errorless 10. Photosynthetic and consumer_Protists MCQ
Euglena is a [NCERT Pg. No. 15]
A.
Ciliate
B.
Sporozoan
C.
Flagellate
D.
Sarcodine
CPMT 1998 Q463 Errorless 11. Protozoa_Protists MCQ
Which of the following classes of protozoa is exclusively endoparasite
A.
Mastigophora
B.
Sarcodina
C.
Opalinata
D.
Sporozoa
RPMT 1998 Q464 Errorless 11. Protozoa_Protists MCQ
Symptoms of paroxysms in malaria are due to
A.
Sporozoite
B.
Gametocyte
C.
Pre-erythrocytic cycle
D.
Erythrocytic cycle
CPMT 1998; DPMT 2006 Q465 Errorless 11. Protozoa_Protists MCQ
Protozoan found commensal in human colon is
A.
Entamoeba coli
B.
P. vivax
C.
A. aegypti
D.
All the above
BHU 1998 Q466 Errorless 11. Protozoa_Protists MCQ
Trypanosoma brucei produces
A.
Sleeping sickness
B.
Kala-azar
C.
Dysentery
D.
A disease of animals
AMU (Med.) 1998; MP PMT 2011 Q467 Errorless 11. Protozoa_Protists MCQ
Leishmania tropica produces
A.
Sleeping sickness
B.
Kala-azar
C.
Dysentery
D.
Oriental sores
CPMT 1998 Q468 Errorless 12. Critical Thinking_Protists MCQ
After how many days could a patient commonly feel malaria from the time of biting of mosquito
A.
2-8 days
B.
8ā€“ 10 days
C.
10 - 20 days
D.
20 ā€“ 30 days
CPMT 1998; AFMC 2001; CBSE PMT (Mains) 2010 Q469 Errorless 12. Critical Thinking_Protists MCQ
A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when [NCERT Pg. No. 16]
A.
The sporozoites released from RBCs are being rapidly killed and broken down inside spleen
B.
The trophozoites reach maximum growth and give out certain toxins
C.
The parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs
D.
The microgametocytes and megagametocytes are being destroyed by the WBCs
AMU (Med.) 1998; KCET 2000 Q470 Errorless 15. Fungi_General_Fungi MCQ
Mycology (Mycetology) is a branch which deals with the study of
A.
Viruses
B.
Algae
C.
Bacteria
D.
Fungi
KCET 1998 Q471 Errorless 15. Fungi_General_Fungi MCQ
The following is an example of saprophytes
A.
Mushroom
B.
Lichen
C.
Unicellular algae
D.
Ferns
AIIMS 1998 Q472 Errorless 15. Fungi_General_Fungi MCQ
Which of the following is not correctly matched
A.
Root knot disease ā€“ Meloidogyne javanica
B.
Smut of bajra ā€“ Tolysporium penicillariae
C.
Covered smut of barley ā€“ Ustilago nuda
D.
Late blight of potato ā€“ Phytophthora infestans
RPMT 1998 Q473 Errorless 15. Fungi_General_Fungi MCQ
Fungus used in genetic experiments is
A.
Rhizopus
B.
Mucor
C.
Neurospora
D.
Claviceps
CPMT 1998; BHU 2002 Q474 Errorless 18. Lichen and Mycorrhiza_Fungi MCQ
Mycorrhiza works as
A.
Modified root
B.
An organism for vegetative propagation
C.
A root hair in adverse condition
D.
Mechanical tissue for support
CPMT 1998; AFMC 2000; BVP 2002; MH CET 2005 Q475 Errorless 22. Self Evaluation Test_Fungi MCQ
LSD is obtained from
A.
Clavatia
B.
Claviceps
C.
Amantia
D.
Trichoderma