Transport In Plants Test
Transport In Plants
This is Transport In Plants Test-05 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
In plants, capillarity is aided by the small diameter of
- ACortical cells
- BPhloem tissue
- CParenchyma cells
- DTrachery elementsCorrect
2
Water molecules are attracted to each other inthe liquid phase more than to water in the gas phase
- AAdhesion
- Bcohesion
- Ccapillarity
- DSurface tensionCorrect
3
Various ions, and water from soil can be transported upto a small height in stems by
- ASuction pressure
- BTurger pressure
- CRoot pressureCorrect
- DOsmotic pressure
4
The concentration of minerals in the soil is usually
- AHigher than the concentration of minerals in root
- BLower than the concentration of minerals in rootCorrect
- CDiluted in than in root
- DEquilibrium in both soil and root
5
Organic and mineral nutrients transported by
- AUnidirectional
- BMultidirectionalCorrect
- CSymport
- DAntiport
6
Solute potential of a solution is always
- ABetween 0.1 and 1
- BEqual to 0
- CMore than 0
- DLess than 0Correct
7
The expulsion of pure water from a solution through a semi permeable membrane under the influence of pressure higher than the osmotic pressure is known as
- AOsmosis
- BReverse osmosisCorrect
- CIon transport
- DPlasmolysis
8
A sudden increase in \(C{O_2}\) concentration around a leaf will cause
- AClosure of stomata
- BWider opening of stomata
- CIncrease in transpiration
- DDecrease in transpiration due to closure of stomataCorrect
9
Select the correct statement
- ATransport in phloem is unidirectional
- BTransport in xylem is bidirectional
- CTransport in phloem is bidirectionalCorrect
- DTransport in xylem and phloem both are unidirectional
10
How many types of aquaporins are recorded?
- A5 types
- B4 types
- C12 types
- D8 typesCorrect
11
The process of movement of molecules across a membrane independent of other molecule is called
- ASymport
- BAntiport
- CCotransport
- DUniportCorrect
12
Active absorption differ from passive absorption in
- ASpeed and direction of movement
- BDirection and utilisation of ATPCorrect
- CAbsence of root and season
- DType of plant and metabolic energy
13
The translocation of phloem is explained by
- ADiffusion
- BPressure flow hypothesisCorrect
- Cmass /bulk flow hypothesis
- DTranspiration
14
Phloem tissue is composedof
- Avessels
- BSieve tubeCorrect
- CTracheids
- Dparenchyma cells
15
Accumulation of which one of the following acids results in closure of stomata
- APEP
- BAspartic acid
- COAA
- DMalic acidCorrect