Class 11 Support and Movement Biology MCQs


FSC Biology MCQs

[quiz]
[question]
Epinasty is controlled by
A. Gibberellins B. Abscisins
C. Auxins D. Cytokinins
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[explanation]c[/explanation]
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[question]
Which of the following animal has a hydrostatic skeleton:
A. Earthworm. B. Round worm.
C. Tape worm. D. Pin worm
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[explanation]A[/explanation]
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[question]
Which of the following statement is incorrect about Molluscans?
A. They are surrounded by single or double pieces of hard skeleton. B. Their shell grows as the animal grows.
C. They have hydrostatic skeleton. D. They move by tube feet
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[explanation]d[/explanation]
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[question]
Exoskeleton of a marine snail is composed of
A. CaPO4 B. CaCO3
C. CaSO4 D. SiO2
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[explanation]b[/explanation]
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[question]
Endoskeleton is secreted by:
A. Ectoderm. B. Endoderm.
C. Mesoderm. D. All of these
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[explanation]c[/explanation]
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[quiz]
[question]
Ecdysone is
A. An enzyme that digest endocuticle during an arthropodal ecdysis. B. A newly formed exoskeleton in authropods
C. A hormone that regulates moulting in arthropods. D. A process that involves moulting.
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[explanation]c[/explanation]
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[question]
Collagen fibers of bone are hardened by deposition of:
A. Ca & PO4 B. CaCO3
C. CaSO4 D. SiO2
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[explanation]A[/explanation]
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[quiz]
[question]
Which of the following bone is not present in the hind-limb?
A. Femur B. Tibia
C. Radius D. Fibula
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[explanation]c[/explanation]
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[question]
Which of the following bones bones are present in the plam of hand?
A. Carpals B. Metacarpals
C. Phalanges D. Metatarsals
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[explanation]b[/explanation]
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[quiz]
[question]
How many vertebrae are present in coccyx?
A. 7 B. 12
C. 9 D. 4
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[explanation]d[/explanation]
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[quiz]
[question]
Which of the following bones are present in pectoral girdle?
A. Clavicle B. Scapula
C. Both of these D. None of these
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[answer]
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[explanation]c[/explanation]
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