Sunflower Questions and Answers
Agronomy Crops
Sunflower
| Questions | Answers | |
| 1 | Botanical name? | Helianthus annus |
| 2 | Family? | Compositae/ Asteraceae |
| 3 | Origin? | Mexico |
| 4 | Chromosome number? | 2n=34 |
| 5 | Germination? | Epigeal |
| 6 | Sunflower Plant are? | |
| Day neutral plant, C3, Cross Pollinated, Protandrous | ||
| 7 | Inflorescence (Head) known as? | Capitulum |
| 8 | Fruit known as? | Achene |
| 9 | Pungency in Sunflowers oil due to? | oxidation |
| 10 | Highest PUFA in Which crop? | Sunflower (90%) |
| 11 | Oil percent? | 45-50% |
| 12 | Protein percent? | 40% |
| 13 | Linoleic acid present in Sunflower oil? | 64% |
| 14 | Oil suitable for? | Heart patient |
| 15 | Where was start first test of sunflowers in India? | Pantnagar University (1969) |
PUFA:- Poly-Unsaturated Fatty Acid
| Questions | Answers | |
| 16 | Seed rate for sunflower ? | 8-10 kg |
| 17 | Sewing depth of Seed ? | 3-4 cm |
| 18 | Test weight of seed ? | 55-70 gram |
| 19 | How much time does sunflower seeds germinate? | 10-12 Days |
| 20 | Critical stage for irrigation? | |
| Seedling, Bud initiation, Flowering, Seed development stages | ||
| 21 | Grow in which season? | |
| Rabi, Kharif, Zaid (Photo-insensitive) | ||
| 22 | Which crop use as a irrigation indicator? | Sunflower |
| 23 | Fertilizer dose NPK ? | 60-80:40-60:40 |
| 24 | Hand pollination common in? | Sunflower |
| 25 | The Seeds remain empty due to which deficiency of ? | Potassium |
| 26 | Which herbicide suitable? | Lasso (Alachlor) |
| 27 | Famous varieties of? | |
| Surya, Jupiter, Polyester, Mammoth Russian, BSH-1, Modern dwarf, Sunrise selection | ||
| 28 | First Hybrid variety? | BSH-1 |
| 29 | Major diseases? | |
| Charcoal rot, Alternaria blight | ||
| 30 | Harmful insect pest of? |
Parrot Top borer |
| 31 | Highest producing state of India ? | Karnataka 41.67% |
| 32 | Which country highest producer? | Ukraine> Russia |
| 33 | Which crop use as a Boron indicator? | Sunflower |
| 34 | Plant population | 55,555 Plant/Ha |
| 35 | Seed Multiplication Ratio | 1:50 |
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The question are… Good.. Pls include afo pattern questions.
Thank you very much for comment. we will trying to increase question level
Fruit type of sunflower is cypsela not achene
achene right
right ans
Brother both achene and cypsela are true understand
Sunflower is the indicator plant of boron deficiency
These questions are very useful and plz include the TNPSC Agriculture officer exam questions.
I am final year student