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All Physics Chemistry Botany Zoology

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If mass flow is occurring like a garden hose,

A. It is due to positive hydrostatic pressure B. It is due to negative hydrostatic pressure C. It is due to concentration gradient D. All of these

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Explanation

11.3 Long Distance Transport of Water

Page number-183

Transport in Plants

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If mass flow is occurring like suction through a straw

A. It is due to positive hydrostatic pressure B. It is due to negative hydrostatic pressure C. It is due to concentration gradient D. All of these

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Explanation

11.3 Long Distance Transport of Water

Page number-183

Transport in Plants

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The apoplast does not hold true which of the following statements?

A. System of adjacent cell walls that is continuous throughout the plant B. Not continuous path at the place of casparian strips of the endodermis in the roots C. Occurs through the intercellular spaces and the walls of the cells D. Crosses cell membrane

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Explanation

11.3.1 How do Plants Absorb Water?

Page number-184

Transport in Plants

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Apoplast movement

Find the wrong one.

A. Dependent on gradient B. Water movement is through mass flow C. The continuous stream of water gets tension when water is absorbed by root hairs D. Mass flow of water occurs due to adhesive and cohesive properties of water

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Explanation

11.3.1 How do Plants Absorb Water?

Page number-185

Transport in Plants

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Symplastic system

Find the wrong one.

A. System of interconnected protoplasts B. Involves path through plasmodesmata C. Water has to enter the cells through the cell membrane D. Above a potential gradient movement

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Explanation

11.3.1 How do Plants Absorb Water?

Page number-185

Transport in Plants

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Symplastic movement is slower than apoplastic movement

A. Because it involves cytoplasmic streaming always B. Molecule has to enter through the cell membrane C. Because it is down the gradient D. All of these

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Explanation

11.3.1 How do Plants Absorb Water?

Page number-185

Transport in Plants

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Most of the water flow in the roots occur via the………

A. Apoplast B. Symplast C. Active transport D. Imbibition

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Explanation

11.3.1 How do Plants Absorb Water?

Page number-185

Transport in Plants

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The path of water in xylem vessels and tracheids is

A. Symplast B. Apoplast C. Both A and B D. Depends on gradient

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Explanation

11.3.1 How do Plants Absorb Water?

Page number-185

Transport in Plants

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Mycorrhiza

Find the incorrect statement.

A. Symbiotic association of fungus with root system B. Fungal hyphae have a very large surface area that absorb mineral ions and water from the soil C. Hyphae can go to downwards in depth and cause absorption of much larger volume of soil that perhaps a root cannot do D. Roots provide sugar and S containing compounds to the mycorrhizae

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Explanation

11.3.1 How do Plants Absorb Water?

Page number-186

Transport in Plants

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Pinus has an/a…….. association with mycorrhizae and their …….. without the presence of mycorrhizae.

A. Obligate, seeds cannot germinate B. Facultative, fruits cannot disperse C. Obligate, roots can not spread down the soil D. Facultative, leaves cannot perform photosynthesis.

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Explanation

11.3.1 How do Plants Absorb Water?

Page number-186

Transport in Plants

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