

InterviewSolution
Saved Bookmarks
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
801. |
During seed germination, its stored food is mobilised byA. CytokininB. ABAC. GibberellinsD. Ethylene |
Answer» Correct Answer - C | |
802. |
During seed germination, its stored food is mobilised byA. CytokininsB. ABAC. gibberellinD. ethylene |
Answer» Correct Answer - C | |
803. |
Vemalisation is A. Growth curve related to light B. Effect of photoperiods on plant growth C. Speeding up ability to flower by low temperature treatment D. Diurnal photoperiodicity |
Answer» Correct Answer - C Vernalisation is speeding up ability to flower by low temperature treatment |
|
804. |
A few normal seedlingd of tomato were kept in a dark room. After a few days were found to have become white coloured like albinos. Ehich of the following terms will you use to describe themA. EtiolatedB. DefoliatedC. MutatedD. Embolised |
Answer» Correct Answer - a (a) Etiolation is depigmentation in leaf when plant is placed in dark for more than 36 hrs. Plants get etiolated dark, because chlorophyll is not synthesizwd darkness. |
|
805. |
A few normal seedlingd of tomato were kept in a dark room. After a few days were found to have become white coloured like albinos. Ehich of the following terms will you use to describe themA. DefoliatedB. MutatedC. EmbolisedD. Etiolated |
Answer» Correct Answer - D | |
806. |
A few normal seedlingd of tomato were kept in a dark room. After a few days were found to have become white coloured like albinos. Ehich of the following terms will you use to describe themA. MutatedB. EmbolisedC. EtiolatedD. Defoliated |
Answer» Correct Answer - C Etiolation is a process in which flowering plants are grown in partial or complete absence of light. Etiolation is mainly characterized by long and weak stem and smaller, sparse pale yellow colour of leaves due to the longer internodes. Thus due to th1s tomato seeding became white coloured |
|
807. |
The phyohormone which induces triple respone isA. IAA B. ABA C. GAD. 02H |
Answer» Correct Answer - D Phytohormone which induces triple response is `C_(2)H_(4)` |
|
808. |
Ethylene is metabolic product ofA. ValineB. Serine C. Methionine D. Glutamic acid |
Answer» Correct Answer - C Ethylene is metabolic product of methionine. |
|
809. |
An example of short day plant isA. Maize B. Radish C. Chrysanthemum D. Wheat |
Answer» Correct Answer - C An example of short day plant is Chrysanthemum . |
|
810. |
6- furfuryl ammino purine 2, 4- dichorophenoxy acetic acid and indole -3 - acetic acid are examples respectively forA. Synthetic auxin, kinetin and natural auxin B. Gibberellin, natural auxin and kinetin C. Natural auxin, kinetin and synthetic auxin D. Kinetin, synthetic auxin and natural auxin |
Answer» Correct Answer - D 6-furfuryl amino purine, 2, 4-dichlorophenoxy acetic acid and indole 3-acetic acid are kinetin, synthetic auxin and natural auxin respectively. |
|
811. |
Synthetic plant hormone isA. IAA B. 2,4-D/NAA C. GA D. Zeatin |
Answer» Correct Answer - B Synthetic plant hormone is 2, 4-D and NAA. |
|
812. |
Which of the following movements is not related to change in auxin levelsA. nyctinastic leaf movementB. Movement of roots towards soilC. Movement of sunflower traking the direction of the sunD. Movement of shoot towards light |
Answer» Correct Answer - a |
|
813. |
The pineapple which under natural conditions is diffcuit to blossom has been made to produce friuts throghout the year by application ofA. NAA,2, 4-dB. phenyl acetic acidC. CytokininD. IAA,IBA |
Answer» Correct Answer - a |
|
814. |
To induce formation of organs in a callus it os necessary to provideA. Growth hormonesB. waterC. SoilD. Antibiotics |
Answer» Correct Answer - a |
|
815. |
Monocarpic plants are those whichA. bear flowers with one ovaryB. flower once and dieC. bear only one flowerD. all of the above |
Answer» Correct Answer - b | |
816. |
The photoperiod in plants is perceived atA. MeritismB. FlowerC. Floral budsD. Leves |
Answer» Correct Answer - d | |
817. |
The photoperiod in plants is perceived atA. MeristemB. FlowerC. Floral budsD. Leaves |
Answer» Correct Answer - D | |
818. |
During cell enlargement phase of growth, molecules of new cell wall material are inserted between the original molecules of stretched wall. This process is known asA. IntussusceptionB. AppositionC. IntegrationD. None of these |
Answer» Correct Answer - a (a) During enlargement phase of growth new particles of the old wall, is known as intussusception |
|
819. |
Increased vacuolation, cell enlargement and new cell wall deposition are the characteristics of cells in_____phase of growth.A. Meristematic phaseB. Phase of elongation C. Phase of maturation D. Both B and C |
Answer» Correct Answer - B Increased vaculoation, cell enlargement and new cell wall deposition are the characteristics of cell in phase of elongation. |
|
820. |
Deposition of new materials inside the cell wall of cells starts inA. Meristematic phaseB. Reproductive phaseC. Maturation phaseD. Elongation phase |
Answer» Correct Answer - D | |
821. |
The given diagram shows different stages of seed germination. Identify A,B,C and D and select the correct option. A. `{:(A,B,C,D),("Plumule","Cotyledons","Epicotyl","Hypocotyl"):}`B. `{:(A,B,C,D),("Radicle","Cotyledons","Epicotyl","Hypocotyl"):}`C. `{:(A,B,C,D),("Mesocotyl","Cotyledons","Epicotyl","Hypocotyl"):}`D. `{:(A,B,C,D),("Root hair","Cotyledons","Hypocotyl","Epicotyl"):}` |
Answer» Correct Answer - B | |
822. |
The given figure indicates the stages of seed gremination Identify A,B,C and D respectiveltyA. Root hair ,Cotyedons ,Epicotyl and HyocotylB. Mesocotyl ,Cotyedons ,Epicotyl and HyocotylC. Radicle ,Cotyedons ,Epicotyl and HyocotylD. Plumule ,Cotyedons ,Epicotyl and Hyocotyl |
Answer» Correct Answer - c | |