In the absence of transpiration water moves up xylem because of
1. root pressure
2. turgor pressure
3. evaporation
4. high soil mineral concentration
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHigh root pressure can cause water to be lost by leaves through the process of
1. respiration
2. regurgitation
3. transpiration
4. guttation
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRinging experiments prove all but
1. Food is translocated through phoem
2. Water is translocated through xylem
3. Leaves are the sinks of phloem transport
4. The phloem tissue can be regenerated if the cambium is intact.
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLoss of solutes from a cell leads to
1. Increase in water potential
2. Decrease in solute potential
3. Increase in pressure potential
4. All of the above
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyApparently _______________ is the source of energy for keeping stomata open.
1. photosynthesis
2. transpiration
3. ion transfer
4. sodium pump
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMaintaining turgor pressure in guard cells requires an uptake of
1. K+
2. H+
3. ATP
4. CO2
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAbout _______________ % of the water taken in by roots is lost by transpiration.
1. 100
2. 98
3. 90
4. 60
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEssential ions except _______________ are
removed from the roots and relocated through the xylem.
1. phosphorus
2. potassium
3. nitrogen
4. calcium
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGuttation is:
1. movement of soluble organic materials through plants.
2. movement of water through the apoplast.
3. evidence of root pressure.
4. negative pressure created by transpiration.
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStomata close when the guard cells:
1. lose water.
2. photosynthesis begins and the internal CO2 concentration decreases.
3. gain chloride ions.
4. become turgid.
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology