Q. No.What occupies the space between the cell wall and the shrunken protoplast in the plasmolysed cell?
1. Hypertonic solution
2. Hypotonic solution
3. Water
4. Cytoplasmic content
1. Hypertonic solution
2. Hypotonic solution
3. Water
4. Cytoplasmic content
Prehistoric man used which of the following methods to split rocks and boulders?
1. Plasmolysis
2. Active Transport
3. Osmosis
4. Imbibition
From the twig experiment in which twig is placed in colored water, which of the following can be deduced?
1. The path of organic Acid
2. The path of hormones
3. The path of water
4. The development of twig
Movement of molecule across a typical plant cell i.e. 50 micrometer takes
1. 10 seconds
2. 15 seconds
3. 2.5 seconds
4. 16 seconds
If mass flow is occurring like suction through a straw
1. It is due to positive hydrostatic pressure
2. It is due to negative hydrostatic pressure
3. It is due to concentration gradient
4. All of these
Xylem transports from roots to the aerial parts of the plants
1. Water, mineral salts
2. Some organic Nitrogen
3. Inorganic solutes, Hormones
4. All of these
The movement of water through apoplast stops at the level of ……..And crosses membrane to undergo symplast till xylem cells
1. Endodermis of root
2. Starch sheath
3. Inner layer of cortex
4. All of these
Pinus has an/a…….. association with mycorrhizae and their …….. without the presence of mycorrhizae.
1. Obligate, seeds cannot germinate
2. Facultative, fruits cannot disperse
3. Obligate, roots can not spread down the soil
4. Facultative leaves cannot perform photosynthesis.
Root pressure
1. Pushing pressure
2. Negative pressure
3. Tries to cope up with water requirement of well heighted plants
4. Effects are observed at day time and evening time
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