Gk Questions with AnswersGeneral Biology Questions and Answers
| 13. | Which of the following systems in man is affected by the bite of cobra? | ||
|---|---|---|---|
| A. Digestive | |||
| B. Excretory | |||
| C. Circulatory | |||
| D. Nervous | |||
| Answer | ||
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| 14. | pH of human blood is | ||
|---|---|---|---|
| A. 6.2 | |||
| B. 7.4 | |||
| C. 7.5 - 8.0 | |||
| D. 9.0 | |||
| Answer | ||
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| 15. | The double helix model of Watson and Crick is known as | ||
|---|---|---|---|
| A. B-DNA | |||
| B. C-DNA | |||
| C. D-DNA | |||
| D. Z-DNA | |||
| Answer | ||
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| 16. | The major constituent of connective tissue is | ||
|---|---|---|---|
| A. Cholesterol | |||
| B. Lipid | |||
| C. Carbohydrate | |||
| D. Collagen | |||
| Answer | ||
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