McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .
| 1. |
The edible part of potato is: |
| A. | Root |
| B. | Tuber |
| C. | Rhizome |
| D. | Corm |
| Answer» B. Tuber | |
| 2. |
Vegetable production for local consumption is: |
| A. | Market gardening |
| B. | Home gardening |
| C. | Truck gardening |
| D. | Vegetable forcing |
| Answer» A. Market gardening | |
| 3. |
Most of the summer vegetables are: |
| A. | Annual |
| B. | Biennial |
| C. | Perennial |
| D. | None |
| Answer» A. Annual | |
| 4. |
In seed formation the inner integument remains thin and develops into: |
| A. | Testa |
| B. | Tegmen |
| C. | Aril |
| D. | Hilum |
| Answer» B. Tegmen | |
| 5. |
During seed formation, a sear left by the funiculus is termed as |
| A. | Hilum |
| B. | Funiculus |
| C. | Operculum |
| D. | Raphe |
| Answer» A. Hilum | |
| 6. |
Cracking in tomato fruit is due to: |
| A. | High nitrogen level |
| B. | Temperature fluctuations |
| C. | Soil moisture fluctuations |
| D. | All of these |
| Answer» D. All of these | |
| 7. |
Endosperm like tissue (2n) in seed developing from nucellus is : |
| A. | Endospem |
| B. | Cotyledom |
| C. | Perisperm |
| D. | Mericarp |
| Answer» C. Perisperm | |
| 8. |
Orthodox seeds after dissemination may be |
| A. | None dormant |
| B. | Dormant |
| C. | Quiescent |
| D. | All of above |
| Answer» D. All of above | |
| 9. |
Secondary dormancy in non dormant seeds is due to: |
| A. | Temperature |
| B. | Moisture |
| C. | Aeration |
| D. | Light |
| Answer» A. Temperature | |
| 10. |
Germination of undeveloped seeds is favored by: |
| A. | Warm temperature (>20°C) |
| B. | Gibberallic acid |
| C. | Low temperature (<20°C) |
| D. | a & b |
| Answer» D. a & b | |
| 11. |
During stratification, the most important factor is: |
| A. | Temperature |
| B. | Duration |
| C. | Media |
| D. | All of above |
| Answer» D. All of above | |
| 12. |
Stage at which seed achieves it maximum dry weight and has maximum germination potential and vigor is: |
| A. | Physiological maturity |
| B. | Edible maturity |
| C. | Harvest maturity |
| D. | None of above |
| Answer» A. Physiological maturity | |
| 13. |
Seed vigor is affected by |
| A. | Time of storage |
| B. | Type of seed stored |
| C. | Storage environment |
| D. | All of above |
| Answer» D. All of above | |
| 14. |
Tetrazolium test to check seed viability is |
| A. | Chemical test |
| B. | Enzyme test |
| C. | Germination test |
| D. | a & c |
| Answer» D. a & c | |
| 15. |
Researchers describe seed moisture contents in terms of : |
| A. | Dry weight |
| B. | Wet weight |
| C. | Percent weight |
| D. | a & b |
| Answer» D. a & b | |
| 16. |
Controlled inhibition of seed is termed as: |
| A. | Priming |
| B. | Soaking |
| C. | Chilling |
| D. | None of above |
| Answer» D. None of above | |
| 17. |
Celery and lettuce at high temperature become |
| A. | Photodormant |
| B. | Thermodormant |
| C. | Ecodormant |
| D. | Non dormant |
| Answer» B. Thermodormant | |
| 18. |
Excessive soil moisture, late in the season cause. |
| A. | Decrease in TSS decrease in dry matter |
| B. | Increase in TSS decrease in dry matter |
| C. | Decrease in TSS increase in dry matter |
| D. | None of above |
| Answer» C. Decrease in TSS increase in dry matter | |
| 19. |
Most of following category crops are shallow rooted |
| A. | Summer |
| B. | Winter |
| C. | Off season |
| D. | All of above |
| Answer» A. Summer | |
| 20. |
Deep rooted vegetables require: |
| A. | Less frequent irrigation |
| B. | More water at each irrigation |
| C. | Both a & b |
| D. | None of above |
| Answer» C. Both a & b | |
| 21. |
Fruit of following vegetables is edible: |
| A. | Summer |
| B. | Winter |
| C. | Cruciferous |
| D. | All of above |
| Answer» A. Summer | |
| 22. |
Mulches are mainly used to reduce |
| A. | Transpiration |
| B. | Evaporation |
| C. | Evapotranspiration |
| D. | All of above |
| Answer» D. All of above | |
| 23. |
What type of mulches reduce soil temperature? |
| A. | Organic mulch |
| B. | Gray polythene |
| C. | Black polythene |
| D. | Transparent polythene |
| Answer» A. Organic mulch | |
| 24. |
For hybrid seed production _______ flowers are completely suppressed on female plants. |
| A. | Staminate |
| B. | Pistillate |
| C. | Staminode |
| D. | Alternate |
| Answer» A. Staminate | |
| 25. |
Recommended cucumber cultivars under tunnel production technology are: |
| A. | Monoecious |
| B. | Gynoecious |
| C. | Andromonoecious |
| D. | Gynomonoecious |
| Answer» B. Gynoecious | |
| 26. |
Flowering in water melon is unaffected by light duration as it is: |
| A. | Short day long night plant |
| B. | Long day short night plant |
| C. | Day neutral plant |
| D. | None of the above |
| Answer» B. Long day short night plant | |
| 27. |
Nature of pollination in cucurbits is: |
| A. | Highly cross pollinated |
| B. | Oftenly cross pollinated |
| C. | Highly self pollinated |
| D. | None of above |
| Answer» A. Highly cross pollinated | |
| 28. |
Ginger is commonly cultivated as: |
| A. | Annual |
| B. | Biennial |
| C. | Perennial |
| D. | Biannaul |
| Answer» A. Annual | |
| 29. |
Cross pollination is essential in following type of vegetables. |
| A. | Monoecious |
| B. | Dioecious |
| C. | Gynoecious |
| D. | Perigynous |
| Answer» B. Dioecious | |
| 30. |
Cross pollination in plants bearing bisexual flowers is due to |
| A. | Dichogamy |
| B. | Herkogamy |
| C. | Heterostyly |
| D. | All of above |
| Answer» D. All of above | |
| 31. |
In anemophilous plants, pollens are disseminated by means of: |
| A. | Insects |
| B. | Water |
| C. | Wind |
| D. | Gravity |
| Answer» C. Wind | |
| Explanation: Anemophilous plants are those that rely on wind for pollination. The term "anemophilous" comes from the Greek words "anemos" meaning wind, and "philos" meaning loving. | |
| 32. |
In pollen development Gametocides induces a problem of: |
| A. | Sterility |
| B. | Viability |
| C. | Fertility |
| D. | Mobility |
| Answer» A. Sterility | |
| 33. |
Production of seeds without fertilization is termed as: |
| A. | Parthenocarpy |
| B. | Parthenogenesis |
| C. | Gametogenesis |
| D. | All of above |
| Answer» B. Parthenogenesis | |
| 34. |
Most of the hybrid watermelon and cucumber are: |
| A. | Triproid |
| B. | Diploids |
| C. | Aneuploids |
| D. | Colchiploids |
| Answer» D. Colchiploids | |
| 35. |
Removal of off type plants from a seed field is termed as: |
| A. | Weeding |
| B. | Rouging |
| C. | Hoeing |
| D. | All of above |
| Answer» B. Rouging | |
| 36. |
The most important seed component affecting seed /viability during storage is: |
| A. | Temperature |
| B. | Humidity |
| C. | Moisture |
| D. | Food reserves |
| Answer» B. Humidity | |
| 37. |
Potato is generally propagated through |
| A. | Seed potato |
| B. | Potato seed |
| C. | True Potato Seed |
| D. | All of above |
| Answer» D. All of above | |
| 38. |
Isolation during seed production is done by: |
| A. | Types (Varieties) |
| B. | Plantation at a distance |
| C. | Zoning |
| D. | All of above |
| Answer» B. Plantation at a distance | |
| 39. |
The most common pollinator insect in Pakistan is |
| A. | Syrphid fly |
| B. | Bumble bees |
| C. | Honey bees |
| D. | House fly |
| Answer» C. Honey bees | |
| 40. |
Seed production in biennial vegetables is mostly done by: |
| A. | Seed to seed method |
| B. | In situ method |
| C. | Replanting method |
| D. | All of above |
| Answer» D. All of above | |
| 41. |
Male sterily is not due to |
| A. | Genetic factor |
| B. | Genome factor |
| C. | Cytogenetic factor |
| D. | Nutritional factor |
| Answer» D. Nutritional factor | |
| 42. |
Hybrid vigor in vegetables is manifested by |
| A. | High yield |
| B. | Uniformity in size |
| C. | Uniformity in maturity |
| D. | All of above |
| Answer» D. All of above | |
| 43. |
Water melon for seed should be harvested when |
| A. | Tendrils wither |
| B. | Skin color is green |
| C. | Skin color is pale yellow |
| D. | Vine dry out |
| Answer» A. Tendrils wither | |
| 44. |
In Pakistan, vegetables for seed production are harvested by: |
| A. | Manual method |
| B. | Machines |
| C. | Combine harvestors |
| D. | All of above |
| Answer» A. Manual method | |
| 45. |
During storage of vegetable seeds, seed moisture should be |
| A. | Less than 10% |
| B. | Equal to 10% |
| C. | Greater than 10% |
| D. | None of above |
| Answer» A. Less than 10% | |
| 46. |
The poorest seed storage capacity is in: |
| A. | Okra |
| B. | Peas |
| C. | Cucurbits |
| D. | Onion |
| Answer» D. Onion | |
| 47. |
Nitrates are absorbed at pH below ___________: |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» A. 5 | |
| 48. |
Hormones which control apical dominance are: |
| A. | Auxins |
| B. | Cytokinins |
| C. | Gibberellins |
| D. | Polyamines |
| Answer» A. Auxins | |
| 49. |
Tetraploid watermelon must be pollinated by ____ plants to produce a seedless watermelon |
| A. | Triploid |
| B. | Aneuploid |
| C. | Diploid |
| D. | Tetraploid |
| Answer» C. Diploid | |
| 50. |
Which vegetable cannot be grown as an off season vegetable: |
| A. | Tomato |
| B. | Potato |
| C. | Chillies |
| D. | Cucumber |
| Answer» B. Potato | |
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