MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Statement A: The process of absorption of minerals is divided into 2 phases. Statement B: One phase of absorption is passive while the other is active. |
| A. | Both the statements are true |
| B. | Both the statements are false |
| C. | Statement A is true but Statement B is false |
| D. | Statement B is true but Statement A is false |
| Answer» B. Both the statements are false | |
| 2. |
Statement A: The outward movement is influx. Statement B: The inward movement is efflux. |
| A. | Both the statements are true |
| B. | Both the statements are false |
| C. | Statement A is true but Statement B is false |
| D. | Statement B is true but Statement A is false |
| Answer» B. Both the statements are false | |
| 3. |
Which of the following elements do not get translocated to younger parts? |
| A. | N |
| B. | P |
| C. | K |
| D. | Ca |
| Answer» E. | |
| 4. |
The translocation of mineral elements through the phloem is observed by radioisotope methods. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Minerals are transported through _________ along the _________ stream of water. |
| A. | xylem, descending |
| B. | phloem, descending |
| C. | xylem, ascending |
| D. | phloem, ascending |
| Answer» D. phloem, ascending | |
| 6. |
Which of the following is not a function of soil? |
| A. | It holds water |
| B. | It supplies air to roots |
| C. | It acts as a matrix that destabilizes the plant |
| D. | It harbors nitrogen fixing bacteria |
| Answer» D. It harbors nitrogen fixing bacteria | |
| 7. |
Which of the following statements if wrong about manganese toxicity? |
| A. | Appearance of brown spots surrounded by chlorotic veins |
| B. | Deficiency of Iron |
| C. | Deficiency of Calcium |
| D. | Excess of Magnesium |
| Answer» E. | |
| 8. |
Any mineral ion concentration that reduces that dry wt. of tissues by 10% is called as ___________ |
| A. | critical concentration |
| B. | toxic concentration |
| C. | beneficial concentration |
| D. | optimum concentration |
| Answer» C. beneficial concentration | |