InterviewSolution
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InterviewSolution
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.
| 301. |
Pick up the correct explanationA. Xanthium - Long dry plantB. Sunflower - short day plantC. Wheat - short day plantD. Tomato - Day neutral plant. |
| Answer» Correct Answer - D | |
| 302. |
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. EmbolisedB. EtiolatedC. DefoliatedD. Mutated. |
| Answer» Correct Answer - B | |
| 303. |
Movement of Sunflower towards the direction of Sun inA. PhotonastyB. PhototropismC. NyctinastyD. Seismonasty. |
| Answer» Correct Answer - B | |
| 304. |
Which type of movement is shown by Tulip and Sunflower respectively ?A. Thermonasty and photonastyB. Hydronasty and photonastyC. Thigmonasty and photonastyD. Hydronasty and thermonasty. |
| Answer» Correct Answer - A | |
| 305. |
What is the type of movement that occurs during opening and closing of flowers ?A. Nastic movementB. Tactic movementC. Tropic movementD. Nutation. |
| Answer» Correct Answer - A | |
| 306. |
Expansion of a leaf is an example ofA. NutationB. Nastic movementC. Ephemeral movementD. Paratonic movement. |
| Answer» Correct Answer - A | |
| 307. |
Opening and closing of Crocus/Tulip flower isA. Photonastic movementB. GeotropismC. ThermonastyD. Nyctinasty. |
| Answer» Correct Answer - a | |
| 308. |
Plant movement in response to diffuse stimulus of light isA. PhototropismB. PhotolysisC. PhototaxisD. Photonasty. |
| Answer» Correct Answer - C | |
| 309. |
The area fo the plant which receives the stimulus isA. Perceptive regionB. Responsive regionC. Receptive regionD. Reactive region. |
| Answer» Correct Answer - A | |
| 310. |
Who discovered that phototropism is the result of presence of more auxin on shaded side than on illuminated side.A. GalstonB. Boysen-JensenC. WentD. Kogl and Haagen-Smit. |
| Answer» Correct Answer - C | |
| 311. |
Apical dominance as found in higher plants is due toA. PhotoperiodismB. PhototropismC. HormonesD. Enzymes. |
| Answer» Correct Answer - C | |
| 312. |
Hormone involved in phototropism isA. IAAB. GibberellinC. KinetinD. 2, 4-D. |
| Answer» Correct Answer - A | |
| 313. |
Phytochrome is involved inA. Seed germinationB. FloweringC. Chloroplast orientationD. All the above. |
| Answer» Correct Answer - D | |
| 314. |
Pr state of phytochrome absorbs light wave-length ofA. 660 nmB. 640 nmC. 620 nmD. 720 nm. |
| Answer» Correct Answer - A | |
| 315. |
Apical dominance in higher plants is due toA. C/N ratioB. PhotoperiodismC. PhototropismD. Auxin-cytokinin balance. |
| Answer» Correct Answer - D | |
| 316. |
Phytochrome is involved inA. PhototropismB. PhotorespirationC. PhotoperiodismD. Geotropism. |
| Answer» Correct Answer - C | |
| 317. |
Temperature range for plant growth isA. `20^(@)-35^(@)`B. `0^(@)-35^(@)C`C. `10^(@)-50^(@)`D. `0^(@)-20^(@)C` |
| Answer» Correct Answer - B | |
| 318. |
A green plant will turn yellow if planed in the dark. This is calledA. PhototropismB. DormancyC. ChlorosisD. Etiolation. |
| Answer» Correct Answer - D | |
| 319. |
CytokininA. Is a hormone whose main function is the induction of cell divisonB. Is the process of cell divisionC. Refers to cell movementsD. Causes dormancy. |
| Answer» Correct Answer - A | |
| 320. |
Which of the following stimulates growth or cell enlargement ?A. GibberellinB. AuxinC. CytokininD. Ethylene. |
| Answer» Correct Answer - B | |
| 321. |
During wall enlargement new wall materials are inserted amongst the older ones. The phenomenon isA. AccretionB. IntegrationC. IntussusceptionD. Interpolation. |
| Answer» Correct Answer - C | |