1.Cancer is caused by activation of genes:
 A. Regulatory genes
 B. Oncogenes
 C. Structural genes
 D. Jumping genes
 
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2.Urea is produced in the body of man in:
 A. Liver
 B. Urinary Bladder
 C. Kidney
 D. Haemoglobin
 
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3.Scurvy is caused by the deficiency of:
 A. Vitamin D
 B. Vitamin B
 C. Vitamin C
 D. Vitamin A
 
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4.Which one of the following animal possesses the least number of body segments?
 A. Flat worm
 B. Earth worm
 C. Prawn
 D. Cockroach
 
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5.Which one of the following plants keep its stomata open during night and closed during the day?
 A. Water Lily
 B. Cactus
 C. Sun flower
 D. Fern
 
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6.Which of the following does not follow cell theory?
 A. Bacteria
 B. Virus
 C. Algae
 D. fungi
 
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7.Tissue which is responsible for the secondary growth:
 A. Xylem
 B. Phloem
 C. Cambium
 D. Cortex
 
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8.The saliva helps in the digestion of:
 A. proteins
 B. fats
 C. fibers
 D. starch
 
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