41. Which one of the following parts of the pitcher plant becomes modified into a pitcher?
A. Stem
B. leaf
C. stipule
D. petiole
42. In which one of the following animals is respiration done by skin?
A. Flying fish
B. Sea horse
C. Frog
D. Chameleon
43. Which one of the following bacteria helps in improving the soil fertility?
A. Clostridium
B. Rhizobium
C. Salmonella
D. Staphylococcus
44. Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?
A. Right Auricle
B. Left Auricle
C. Right Ventricle
D. Left Ventricle
45. Which one of the following is a vitamin?
A. Citric acid
B. Folic acid
C. Glutamic acid
D. Linoleic acid
46. Which one of the following is responsible for converting milk into curd?
A. Fungi
B. Bacteria
C. Virus
D. None of these
47. In which one of the following animals is skin a respiratory organ?
A. Cockroach
B. Frog
C. shark
D. Whale
48. A typical human ribcage consists of how many ribs?
A. 12
B. 14
C. 16
D. 24
49. What is the pH level of blood of a normal person?
A. 4.0 – 4.5
B. 6.45 – 65.5
C. 7.35 – 7.45
D. 8.25 – 8.35
50. Which of the following disease is not a caused by viruses?
A. Cholera
B. Chickenpox
C. Hepatitis
D. Measles
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