471. Major component of blood plasma is

A Water
B Inorganic Substances
C Organic substances
D Blood cells.
Answer :   Water
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472. In cockroach the audioreceptors re situated on

A On lengs
B Antenna
C Sensory receptor
D Anal cerci
Answer :   Anal cerci
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473. Respiratory pigment Fe containing but green in colour

A Haemocyanin (Molluscas)
B Haemoglobin (most vertebrates )
C Chlorocruorin (Some annelids)
D None of the above
Answer :   Chlorocruorin (Some annelids)
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474. In which part of cockroach is present completely developed endoskeleton and exoskeleton both

A In head region
B Thoracic region
C Abdominal region
D In all regions
Answer :   In head region
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475. Mucus cell s (Goblet cells)

A Unicellular gland
B Multicellular glands
C Endocrine glands
D Parietal cells of gastric glands
Answer :   Unicellular gland
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476. Smallest blood cells

A RBC
B WBC
C Platelets
D None of the above
Answer :   Platelets
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477. Bones are mainly, formed of

A Calcium and Magnesium
B Calcium and Phosphors
C Calcium and Sulphur
D Calcium and Iron.
Answer :   Calcium and Phosphors
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478. Naked dendrites are receptors for

A Smell
B Pressure
C Taste
D Pain
Answer :   Pain
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479. Characteristic of simple epithelium is

A They are arranged in discrminately
B They make a definite layer
C Continue to devide and help in organ function
D None of the above
Answer :   They make a definite layer
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480. Olfactory Epithelium (Scheneidarian membrane) is composed of

A Neuro sensory Epithelium
B Simple sq. Epithelium
C Simple cuboidal
D Germinal Epithelium
Answer :   Neuro sensory Epithelium
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