Plant Physiology-Transport in Plants (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology): Questions 1 - 4 of 80
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Question number: 1
» Plant Physiology » Transport in Plants » Diffusion
Question
During osmosis, water moves through a membrane| List-Ⅰ (From) | List-Ⅱ (To) |
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| (A) High osmotic potential | (i) High water potential |
| (B) Low water potential | (ii) Low solute concern. |
| (C) A hypotonic solution (Less solute) | (iii) Low osmotic potential |
| (D) High solute concern | (iv) A hypertonic solution (High solute) |
Choices
| Choice (4) | Response | |
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Question number: 2
» Plant Physiology » Transport in Plants » Absorption
Question
Which theory suggests that the CO2 produced in respiration plays an important role in mineral absorption?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Carbonic acid exchange theory |
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| b. | Active absorption theory |
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| c. | Contact exchange theory |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 3
» Plant Physiology » Transport in Plants » Movement of Water, Gases and Nutrients
Question
Which of the following is the path of water from soil up to secondary xylem?
Choices
| Choice (4) | Response | |
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| a. | Soil → root hair cell wall → cortex → endodermis → pericycle → protoxylem → metaxylem. |
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| b. | Metaxylem → protoxylem → cortex → soil → root hair. |
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| c. | Pericycle → soil → root hair → cortex → endodermis → protoxylem → metaxylem. |
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| d. | Cortex → root hair → endodermis → pericycle → protoxylem → metaxylem. |
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Question number: 4
» Plant Physiology » Transport in Plants » Cell to Cell Transport
Question
The chief role of transpiration in plants is to cause
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Rapid rise of minerals |
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| b. | Cooling of the plant |
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| c. | Loss of surplus water |
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| d. | Rapid ascent of sap |
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