321 + Interview Questions in PLANT-GROWTH-AND-MOVEMENTS IN GENERAL AWARENESS Page 3 InterviewSolution

101.	Which of the following movement is not related to auxin levelA. Bending of shoot towards lightB. Movement of root towards soilC. Nyctinastic leaf movementsD. Movement of sunflower head tracking the sun.
Answer» Correct Answer - C

Discussion

102.	Gaseous growth hormone isA. IAAB. GAC. KinetinD. Ethylene.
Answer» Correct Answer - D

Discussion

103.	Leaf abscission is prevented byA. GibberellinB. EthyleneC. Abscisic acidD. Auxin.
Answer» Correct Answer - D

Discussion

104.	Etiolation occurs when plantsA. Are grwon in darkB. Are grown in intense lightC. Develop viral infectionD. Develop mineral deficiency.
Answer» Correct Answer - A

Discussion

105.	Optimum growth occurs inA. Blue lightB. Red lightC. White lightD. Green light.
Answer» Correct Answer - C

Discussion

106.	Which is incorrectly matchedA. Adenine derivative-KinetinB. Terpenes-IAAC. Carotenoid derivative- ABAD. Indole compounds-IBA
Answer» Correct Answer - B

Discussion

107.	Etiolation is characterised byA. Slender yellowish stemsB. Small yellowish leavesC. Subterminal hookD. All the above.
Answer» Correct Answer - D

Discussion

108.	Which one is correct for blooming of short day plantsA. The long dark period is not criticalB. It is affected by interruption of long dark period by brief exposure of lightC. It is affected if continuous light period is interrupted.D. It is affected if continuous light period is interrupted.
Answer» Correct Answer - A

Discussion

109.	Select the correctly matched pairA. Darwin and Darwin - Gibberellic acidB. Went - AuxinC. Kurosawa - EthyleneD. Skoog and Miller - Abscisic acid
Answer» Correct Answer - B

Discussion

110.	In excess, `CO_(2)`A. Accelerates growthB. Does not influence growthC. Inhibits growthD. Slows down growth.
Answer» Correct Answer - C

Discussion

111.	Growth in internodal regions of green plants is due toA. EthyleneB. CytokininsC. GibberellinsD. IAA.
Answer» Correct Answer - C

Discussion

112.	DNA isA. CestrumB. CucumberC. PotatoD. Radish.
Answer» Correct Answer - B

Discussion

113.	Which one regulates plant growth ?A. CommensalismB. ClimateC. HormonesD. Both B and C.
Answer» Correct Answer - D

Discussion

114.	Major function CK is toA. Mobilise nutrients and prevent senescenceB. Mobilise nutrientsC. Prevent senesceneD. Produce IAA.
Answer» Correct Answer - A

Discussion

115.	Hormone involved in ingibition of growth isA. ABAB. EthyleneC. None of the aboveD. Both A and B.
Answer» Correct Answer - D

Discussion

116.	Growth promoter hormones areA. IAA, ABA and CKB. IAA, GA and ABAC. IAA, GA and CKD. ABA, CK and GA.
Answer» Correct Answer - C

Discussion

117.	Capillary pores areA. Percolation poresB. MacroporesC. MicroporesD. Ultra-micropores.
Answer» Correct Answer - C

Discussion

118.	Total water content present in a soil is calledA. EchardB. HolardC. CavitationD. Both B and C.
Answer» Correct Answer - B

Discussion

119.	Soil pores with capillary water areA. Super poresB. MacroporesC. MesoporesD. Micropores.
Answer» Correct Answer - D

Discussion

120.	Soil water available to plants isA. HolardB. EchardC. ChresardD. None of the above.
Answer» Correct Answer - C

Discussion

121.	A bacterium divides every `35` minutes. If a culture containing `10^(5)` cells/ml is grown for `175` minutes. What will be the cell concentration / ml after `175` minutesA. `175xx10^(5)` cells/mlB. `35xx10^(5)` cells/mlC. `5xx10^(5)` cells/mlD. `32xx10^(5)` cells/ml.
Answer» Correct Answer - D

Discussion

122.	Minimum solute potential meansA. More negative solute potentialB. Minimum solute concentrationC. Maximum turgidtyD. Both B and C.
Answer» Correct Answer - A

Discussion

123.	A characteristic based on concentration of particles in solution isA. Colligative propertyB. Surface tensionC. Colloidal natureD. All the above.
Answer» Correct Answer - A

Discussion

124.	A fully turgid cell hasA. Minimum cell sizeB. Minimum water contentC. Maximum solute pressureD. Minimum solute pressure.
Answer» Correct Answer - D

Discussion

125.	Which one is a colligative propertyA. Cohesion forceB. Osmotic pressureC. Vapour pressureD. Both B and C.
Answer» Correct Answer - D

Discussion

126.	Flaccidity isA. Distended nature of plant cellB. Percentage gain in volume of celll due to endosmosisC. Loss of turgidityD. Volume of cell in isotonic solution.
Answer» Correct Answer - C

Discussion

127.	Fully turgid cell possessesA. Minimum sizeB. Little permeabilityC. Maximum sizeD. Impermeable nature.
Answer» Correct Answer - C

Discussion

128.	A freshly plasmolysed cell hasA. Little solute potentialB. Maximum turgor pressureC. Zero turgor pressureD. Negative turgor pressure.
Answer» Correct Answer - D

Discussion

129.	Response of plants due to reversibole turgor change in pulvinus as a result of touch isA. PhotonastyB. ThermonastyC. SeismonastyD. Chemonasty.
Answer» Correct Answer - C

Discussion

130.	At zero turgor pressure the cell showsA. Evident plasmolysisB. Incipient plasmolysisC. Limiting plasmolysisD. Deplasmolysis.
Answer» Correct Answer - C

Discussion

131.	Turgor operated valves areA. Root hairsB. StomataC. Tracheary elementsD. Collenchyma.
Answer» Correct Answer - B

Discussion

132.	Turgor movements occur in response toA. Stimulation of amyloplastsB. Activation and deactivation of phytochromeC. Circadian rhythmD. Changes in `K^(+)` ion concentration.
Answer» Correct Answer - D

Discussion

133.	Exactly opposite response of stem and root to gravity is because ofA. Requirement of differential optimum concentration of auxin for elongation of stem and root cellsB. Nature of these organsC. Position effect of these organs since embryonic stage in seedD. None of the above.
Answer» Correct Answer - A

Discussion

134.	The influence of gravity on plant organs can be removed by rotating the plant inA. AuxanometerB. PotometerC. RespirometerD. Clinostat.
Answer» Correct Answer - D

Discussion

135.	The stem bends upwardly and root downwardly under influence of gravity becauseA. Of nature of stem and rootB. Stem is photonastic and root geonasticC. Stem is negatively geotropic and root positively geotropicD. Stem is negatively hydrotropic and root positively hydrotropic.
Answer» Correct Answer - C

Discussion

136.	Which one prevents premature fall of fruit ?A. NAAB. EthyleneC. `GA_(3)`D. Zeatin.
Answer» Correct Answer - A

Discussion

137.	Treatment of seed at low temperature under moist conditions to break its dormancy is calledA. VernalisationB. ChelationC. StratificationD. Scarification.
Answer» Correct Answer - C

Discussion

138.	It will not be any advantage to produce seedless frutis inA. MangoesB. WatermelonsC. PomergranateD. Oranges.
Answer» Correct Answer - C

Discussion

139.	If auxin concentration is increased in plant roots, the water absorption willA. IncreaeB. DecreaseC. Remain the sameD. None.
Answer» Correct Answer - A

Discussion

140.	Hormone involved in the formation of winter budsA. GAB. CKC. ABAD. Ethylene.
Answer» Correct Answer - C

Discussion

141.	Cell mitosis is induced byA. ColchicineB. Gibberellic acidC. NitrosoguanidineD. Kinetin.
Answer» Correct Answer - D

Discussion

142.	Chyrsanthemums flower in winter becauseA. They are short day plantsB. They required low temperature treatmentC. They are long day plantsD. Both A and B.
Answer» Correct Answer - D

Discussion

143.	Morphactins are derivatives ofA. Fluorine carboxylic acidB. Fluromalic acidC. ChlorofluorocarbonsD. Methanogens.
Answer» Correct Answer - A

Discussion

144.	Which flower shows nyctinastic movement ?A. Albizzia lebbekB. PentapetesC. Mimosa pudicaD. Bryophyllum.
Answer» Correct Answer - B

Discussion

145.	Jerky lateral leaflet movements of Desmodium gyrans areA. Negative geotropic movementsB. Positive geotropic movementsC. Hydrotropic movementsD. None of the above.
Answer» Correct Answer - D

Discussion

146.	Desmodium gyrans showsA. Autonomic movements of variationB. Autonomic movements of growthC. Paratonic movements of variationD. Paratonic movements of growth.
Answer» Correct Answer - A

Discussion

147.	Primary root isA. Positively geotropicB. Positively hydrotropicC. Both A and BD. None of the above.
Answer» Correct Answer - C

Discussion

148.	Pneumatophores areA. Positively geotropicB. Plagio-geotropicC. DiageotropicD. Negatively geotropic.
Answer» Correct Answer - D

Discussion

149.	Gibberellins take part inA. Bolting of rosette plantsB. Replacing long day requirementC. Overcoming genetic dwarfismD. All the above.
Answer» Correct Answer - D

Discussion

150.	Ferulic acid, coumarin and hesperidin areA. Secondary plant productsB. HormonesC. EnzymesD. Vitamins.
Answer» Correct Answer - A

Discussion

Explore topic-wise InterviewSolutions in .

Which of the following movement is not related to auxin levelA. Bending of shoot towards lightB. Movement of root towards soilC. Nyctinastic leaf movementsD. Movement of sunflower head tracking the sun.

Gaseous growth hormone isA. IAAB. GAC. KinetinD. Ethylene.

Leaf abscission is prevented byA. GibberellinB. EthyleneC. Abscisic acidD. Auxin.

Etiolation occurs when plantsA. Are grwon in darkB. Are grown in intense lightC. Develop viral infectionD. Develop mineral deficiency.

Optimum growth occurs inA. Blue lightB. Red lightC. White lightD. Green light.

Which is incorrectly matchedA. Adenine derivative-KinetinB. Terpenes-IAAC. Carotenoid derivative- ABAD. Indole compounds-IBA

Etiolation is characterised byA. Slender yellowish stemsB. Small yellowish leavesC. Subterminal hookD. All the above.

Which one is correct for blooming of short day plantsA. The long dark period is not criticalB. It is affected by interruption of long dark period by brief exposure of lightC. It is affected if continuous light period is interrupted.D. It is affected if continuous light period is interrupted.

Select the correctly matched pairA. Darwin and Darwin - Gibberellic acidB. Went - AuxinC. Kurosawa - EthyleneD. Skoog and Miller - Abscisic acid

In excess, `CO_(2)`A. Accelerates growthB. Does not influence growthC. Inhibits growthD. Slows down growth.

Growth in internodal regions of green plants is due toA. EthyleneB. CytokininsC. GibberellinsD. IAA.

DNA isA. CestrumB. CucumberC. PotatoD. Radish.

Which one regulates plant growth ?A. CommensalismB. ClimateC. HormonesD. Both B and C.

Major function CK is toA. Mobilise nutrients and prevent senescenceB. Mobilise nutrientsC. Prevent senesceneD. Produce IAA.

Hormone involved in ingibition of growth isA. ABAB. EthyleneC. None of the aboveD. Both A and B.

Growth promoter hormones areA. IAA, ABA and CKB. IAA, GA and ABAC. IAA, GA and CKD. ABA, CK and GA.

Capillary pores areA. Percolation poresB. MacroporesC. MicroporesD. Ultra-micropores.

Total water content present in a soil is calledA. EchardB. HolardC. CavitationD. Both B and C.

Soil pores with capillary water areA. Super poresB. MacroporesC. MesoporesD. Micropores.

Soil water available to plants isA. HolardB. EchardC. ChresardD. None of the above.

A bacterium divides every `35` minutes. If a culture containing `10^(5)` cells/ml is grown for `175` minutes. What will be the cell concentration / ml after `175` minutesA. `175xx10^(5)` cells/mlB. `35xx10^(5)` cells/mlC. `5xx10^(5)` cells/mlD. `32xx10^(5)` cells/ml.

Minimum solute potential meansA. More negative solute potentialB. Minimum solute concentrationC. Maximum turgidtyD. Both B and C.

A characteristic based on concentration of particles in solution isA. Colligative propertyB. Surface tensionC. Colloidal natureD. All the above.

A fully turgid cell hasA. Minimum cell sizeB. Minimum water contentC. Maximum solute pressureD. Minimum solute pressure.

Which one is a colligative propertyA. Cohesion forceB. Osmotic pressureC. Vapour pressureD. Both B and C.

Flaccidity isA. Distended nature of plant cellB. Percentage gain in volume of celll due to endosmosisC. Loss of turgidityD. Volume of cell in isotonic solution.

Fully turgid cell possessesA. Minimum sizeB. Little permeabilityC. Maximum sizeD. Impermeable nature.

A freshly plasmolysed cell hasA. Little solute potentialB. Maximum turgor pressureC. Zero turgor pressureD. Negative turgor pressure.

Response of plants due to reversibole turgor change in pulvinus as a result of touch isA. PhotonastyB. ThermonastyC. SeismonastyD. Chemonasty.

At zero turgor pressure the cell showsA. Evident plasmolysisB. Incipient plasmolysisC. Limiting plasmolysisD. Deplasmolysis.

Turgor operated valves areA. Root hairsB. StomataC. Tracheary elementsD. Collenchyma.

Turgor movements occur in response toA. Stimulation of amyloplastsB. Activation and deactivation of phytochromeC. Circadian rhythmD. Changes in `K^(+)` ion concentration.

Exactly opposite response of stem and root to gravity is because ofA. Requirement of differential optimum concentration of auxin for elongation of stem and root cellsB. Nature of these organsC. Position effect of these organs since embryonic stage in seedD. None of the above.

The influence of gravity on plant organs can be removed by rotating the plant inA. AuxanometerB. PotometerC. RespirometerD. Clinostat.

The stem bends upwardly and root downwardly under influence of gravity becauseA. Of nature of stem and rootB. Stem is photonastic and root geonasticC. Stem is negatively geotropic and root positively geotropicD. Stem is negatively hydrotropic and root positively hydrotropic.

Which one prevents premature fall of fruit ?A. NAAB. EthyleneC. `GA_(3)`D. Zeatin.

Treatment of seed at low temperature under moist conditions to break its dormancy is calledA. VernalisationB. ChelationC. StratificationD. Scarification.

It will not be any advantage to produce seedless frutis inA. MangoesB. WatermelonsC. PomergranateD. Oranges.

If auxin concentration is increased in plant roots, the water absorption willA. IncreaeB. DecreaseC. Remain the sameD. None.

Hormone involved in the formation of winter budsA. GAB. CKC. ABAD. Ethylene.

Cell mitosis is induced byA. ColchicineB. Gibberellic acidC. NitrosoguanidineD. Kinetin.

Chyrsanthemums flower in winter becauseA. They are short day plantsB. They required low temperature treatmentC. They are long day plantsD. Both A and B.

Morphactins are derivatives ofA. Fluorine carboxylic acidB. Fluromalic acidC. ChlorofluorocarbonsD. Methanogens.

Which flower shows nyctinastic movement ?A. Albizzia lebbekB. PentapetesC. Mimosa pudicaD. Bryophyllum.

Jerky lateral leaflet movements of Desmodium gyrans areA. Negative geotropic movementsB. Positive geotropic movementsC. Hydrotropic movementsD. None of the above.

Desmodium gyrans showsA. Autonomic movements of variationB. Autonomic movements of growthC. Paratonic movements of variationD. Paratonic movements of growth.

Primary root isA. Positively geotropicB. Positively hydrotropicC. Both A and BD. None of the above.

Pneumatophores areA. Positively geotropicB. Plagio-geotropicC. DiageotropicD. Negatively geotropic.

Gibberellins take part inA. Bolting of rosette plantsB. Replacing long day requirementC. Overcoming genetic dwarfismD. All the above.

Ferulic acid, coumarin and hesperidin areA. Secondary plant productsB. HormonesC. EnzymesD. Vitamins.