| 6. | Stomach is organ of food digestion therefore secretes enzyme which helps in digestion known as |
| a. | bile |
| b. | pancreatic juice |
| c. | gastric juice |
| d. | no enzyme |
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Answer: (c).gastric juice
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| 7. | Process of production of identical copies of organisms asexually is |
| a. | tissue culturing |
| b. | vitro-fertilization |
| c. | Cloning |
| d. | transgenic organisms |
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Answer: (c).Cloning
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| 8. | Gene frequency, gene flow, population density, age distribution, over population are attributes of |
| a. | community |
| b. | population |
| c. | groups |
| d. | individuals |
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Answer: (b).population
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| 9. | A very useful technique which helps in testing a nutrient's essentiality for plantation is |
| a. | nutrition culture technique |
| b. | Hydroponic culture technique |
| c. | hydrophobic culture technique |
| d. | tissue culture technique |
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Answer: (b).Hydroponic culture technique
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| 10. | Astronauts may utilize useful technique of hydroponic culture in space to |
| a. | grow vegetables |
| b. | sow seeds |
| c. | preserve milk |
| d. | grow fruits |
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Answer: (a).grow vegetables
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