61. Red colour of blood is due to presence of
62. Average life span of human R.B.C is
63. With which of the following body organ is 'pace-maker' associated?
64. Which of the following blood group is called universal donor ?
65. What carries blood away from the heart?
Read More Section(Biology)
Each Section contains maximum 70 questions. To get more questions visit other sections.
- Biology - Section 1
- Biology - Section 3
- Biology - Section 4
- Biology - Section 5
- Biology - Section 6
- Biology - Section 7
- Biology - Section 8
- Biology - Section 9
- Biology - Section 10
- Biology - Section 11
- Biology - Section 12
- Biology - Section 13
- Biology - Section 14
- Biology - Section 15
- Biology - Section 16
- Biology - Section 17