Biology Questions And Answers For Competitive Exams

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Solved Biological Chapter wise Quiz With Answers

BIOLOGY BASIC HUMAN BIOLOGY QUIZ

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Online Solved Biology Objective Question Answers

Q.1: Which of the following has no central nervous system ?

1. Hydra
2. Man
3. Planaria
4. Cockroach

A

Q.2: The only group of algae having no flagellated motile cells at any stage is-------- ?

1. Chrysophyta
2. Phaeophyta
3. Pyrrophyta
4. Rhodophyta

D

Q.3: Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture----------- ?

1. Robert Koch
2. Louis Pasteur
3. Alexander Fleming
4. Leeuwenhoek

D

Q.4: Kingdom protista includes-------------phyla ?

1. 27
2. 28
3. 26
4. 29

A

Q.5: Golden algae are also known as--------- ?

1. Chrysophyta
2. Phaeophyta
3. Pyrrophyta
4. Rhodophyta

A

Q.6: Acromegaly is caused due to oversecretion of----------- ?

1. STH
2. TSH
3. ACTH
4. Thyroxin

D

Q.7: Number of pairs of cranial nerves is-------- ?

1. 10
2. 11
3. 12
4. 13

C

Q.8: The only group of algae having no flagellated motile cells at any stage is-------- ?

1. Chrysophyta
2. Phaeophyta
3. Pyrrophyta
4. Rhodophyta

D

Q.9: The word Archaeobacteria (a division of bacteria) derived from Greek means-------- ?

1. True bacteria
2. False bacteria
3. Recent bacteria
4. Ancient bacteria

D

Q.10: Most dinoflagellates are---------- ?

1. Unicellular
2. Multicellular
3. Both of these
4. Zooflagellates

A

Q.11: Complex specialized flagellates living symbiotically in the gut of termites are--------- ?

1. Trichonymphas
2. Trypanosoma
3. Euglena
4. Radiolarians

A

Q.12: All of the following are similarities between nervous and endocrine system except-------- ?

1. Produce chemical messengers
2. Release chemical messengers in extracellular space
3. Homestatic in function
4. Having slow but prolonged effects

D

Q.13: Chalk is gradually formed of dead----------- ?

1. Actinopods
2. Foraminiferans
3. Apicomplexans
4. Radiolarians

B

Q.14: The word Archaeobacteria (a division of bacteria) derived from Greek means--------- ?

1. True bacteria
2. False bacteria
3. Recent bacteria
4. Ancient bacteria

D

Q.15: Which of the following is antagonist to Auxin in terms of promotion of stem growth------ ?

1. Gibberellins
2. Cytokinins
3. Abscisic Acid
4. none of these.

C

Q.16: Type of sensations carried by nociceptors are---------- ?

1. Touch.
2. Temperature.
3. Pressure.
4. Pain

D

Q.17: Maize is an example of-------- ?

1. Monocot
2. Dicot
3. Gymnosperms
4. none of these

A

Q.18: Which of the following tracheophytes are leafless ?

1. Psilopsida
2. Lycopsida
3. Sphenopsida
4. Prteropsida

A

Q.19: The size of Spirochete is--------- ?

1. 0.1 -600 um
2. 100-200 nm
3. 500 um
4. 0.75-1.25 um

C

Q.20: The first bacterium isolated was------- ?

1. Coccus
2. Bacillus
3. Vibrio
4. Spirochete

B