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9.	In human body, which one of the following hormones regulates blood calcium and phosphate?
	A.  Thyroxine
	B.  Glucagon
	C.  Growth hormone
	D.  Parathyroid hormone

Answer

Ans: D Parathyroid hormone

10.	Which of the following is not the vestigial human organ?
	A.  Frontal teeth
	B.  Eardrum muscles
	C.  Tailbone
	D.  Appendix

Answer

Ans: A Frontal teeth

11.	The study related to the fishes is called
	A.  Cryptology
	B.  Sicrotology
	C.  Ichthyology
	D.  Lepidopterology

Answer

Ans: C Ichthyology

12.	The sea horse belongs to the class of
	A.  Fishes
	B.  Mollusk
	C.  Reptiles
	D.  Mammals

Answer

Ans: A Fishes