384. In the human body, which structure is the appendix attached to? [IAS 2007]
     (a) The large intestine
     (b) The small intestine
     (c) The gall bladder
     (d) The stomach
Ans: (a)
385. In human body, which one of the following hormones regulates blood calcium and phosphate? [IAS 2007]
     (a) Glucagon
     (b) Growth hormone
     (c) Parathyroid hormone
     (d) Thyroxine
Ans: (c)
386. How do most insects respire? [IAS 2007]
     (a) Through skin
     (b) Through gills
     (c) By lungs
     (d) By trachea system
Ans: (d)
387. In human beings, normally in which one of the following parts, does the sperm fertilize the ovum? [IAS 2007]
     (a) Cervix
     (b) Fallopian tube
     (c) Lower part of uterus
     (d) Upper part of uterus
Ans: (b)
388. Which one of the following part of human brain is the regulating centre for swallowing and vomiting? [IAS 2007]
     (a) Cerebellum
     (b) Cerebrum
     (c) Medulla oblongata
     (d) Pons
Ans: (c)
389. Production of which one of the following is a function of the liver? [IAS 2007]
     (a) Lipase
     (b) Urea
     (c) Mucus
     (d) Hydrochloric acid
Ans: (b)
390. Which of the following types of light are strongly absorbed by plants? [IAS 2007]
     (a) Violet and orange
     (b) Blue and red
     (c) Indigo and yellow
     (d) Yellow and violet
Ans: (b)
391. Which one of the following is the correct sequence in the order of decreasing length of the three structure parts given
     below of small intestine in the human body? [IAS 2007]