461.
Exoskeleton originated form (Eg feathers, nail, horn, hoofs)
A
Connective tissue proper
B
Epithelium tissue
C
Skeletal tissue
D
Vascular tissue
Answer :
Epithelium tissue
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462.
A. Periplaneta americana is nocturnal, omnivorous, household pest.
R. It is because it acts as scavenger
A
A is true but R is false
B
A is false but R is true
C
Both A and R are true and R is correct explanation of A
D
Both A and R are true but R is not correct explanation of A
Answer :
Both A and R are true and R is correct explanation of A
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463.
Collagen and elastin are formed by
A
Macrophages
B
Fibroblasts
C
Mast cells (5) Adipocytes.
D
Chondrocytes
Answer :
Fibroblasts
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464.
Collaterial gland of cockroach help in
A
Fertilzation
B
Formation of ootheca
C
Copulation
D
Formation of oothecal chamber
Answer :
Formation of ootheca
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465.
The main function of ligament is
A
Joining of two bones
B
Joining of muscles
C
Joining of muscles to bone
D
Joining of muscle to nerves
Answer :
Joining of two bones
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466.
Larva is not found in the life of
A
Pheretima
B
Taenia
C
Musca
D
Rana
Answer :
Pheretima
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467.
Lymph is differ from blood having
A
More RBC less WBC
B
Less RBC more WBC
C
No RBC less WBC
D
No RBC more WBC
Answer :
No RBC less WBC
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468.
The term 'History' was coined by
A
Malpighi
B
Bayer
C
Hartwig
D
Mayer
Answer :
Mayer
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469.
Select the correct option with respect to cockroaches
A
The fore wings are tegmina which are used in flight
B
Malpighian tubules convert nitrogenous wastes into urea
C
Males bear short anal styles not present in females
D
Nervous system comprises of a dorsal nerve cord and ten pairs of ganglion
Answer :
Males bear short anal styles not present in females
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470.
An example of merocrine gland is
A
Sebaceous gland
B
Pineal gland
C
Salivary gland
D
Mammary gland
Answer :
Salivary gland
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