MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The most common radiation dose used for extending shelf-life of fruits and vegetables ranges between; |
| A. | 0.01-3.0 kGy |
| B. | 5-10 kGy |
| C. | 10-20 kGy |
| D. | 20-30 kGy |
| Answer» B. 5-10 kGy | |
| 2. |
Suverna is a popular variety of : |
| A. | Coriander |
| B. | Fenugreek |
| C. | Pumpkin |
| D. | Pointed gourd |
| Answer» C. Pumpkin | |
| 3. |
Annual bearing apples differentiate much greater proportion of their flowers on _______: |
| A. | Spurs |
| B. | Shoots |
| C. | Leaf axils |
| D. | Main stem |
| Answer» C. Leaf axils | |
| 4. |
Which of the following perennials is hardy and having blue and lavender colour flowers? |
| A. | Verbena |
| B. | Dianthus |
| C. | Calendula |
| D. | Alyssum |
| Answer» B. Dianthus | |
| 5. |
Growth substances are translocated both up and down in the stem chiefly in the _______ : |
| A. | Phloem |
| B. | Xylem |
| C. | Cortex |
| D. | Pith |
| Answer» B. Xylem | |
| 6. |
A major problem in standard carnation production resulting in asymmetrical flowers is: |
| A. | Improper fertilization |
| B. | High-density spacing |
| C. | Calyx splitting |
| D. | Lack of pinching |
| Answer» D. Lack of pinching | |
| 7. |
Vegetables are rich source of: |
| A. | Vitamins |
| B. | Carbohydrates |
| C. | Proteins |
| D. | Fat |
| Answer» B. Carbohydrates | |
| 8. |
The common fumigant applied to fruit crops after harvest, for controlling postharvest diseases; |
| A. | Ca(OH)2 |
| B. | So2 |
| C. | CaO |
| D. | Co2 |
| Answer» B. So2 | |
| 9. |
Which is the best indicator of metabolic activities and potential storage life of fresh produce; |
| A. | Rate of transpiration |
| B. | Rate of respiration |
| C. | Rate of ethylene production |
| D. | Rate of weight loss |
| Answer» C. Rate of ethylene production | |
| 10. |
Powdery mildew is caused by: |
| A. | Bacteria |
| B. | Fungus |
| C. | Virus |
| D. | None of these |
| Answer» C. Virus | |
| 11. |
Tetraploid watermelon must be pollinated by ____ plants to produce a seedless watermelon |
| A. | Triploid |
| B. | Aneuploid |
| C. | Diploid |
| D. | Tetraploid |
| Answer» D. Tetraploid | |
| 12. |
A change in genetic constitution, which arises suddenly and not to segregation and recombination of genes in sexual reproduction is called as: |
| A. | Hybridization |
| B. | Bud variation |
| C. | Mutation |
| D. | Non of them |
| Answer» D. Non of them | |
| 13. |
Angle formed by attached of a branch to the trunk |
| A. | Conn |
| B. | Crown |
| C. | Corona |
| D. | Crotch |
| Answer» E. | |
| 14. |
Most of Nitrogen is used in the decomposition of __________ and thus plant shows deficiency symptoms : |
| A. | Amino acids |
| B. | Cellulose |
| C. | Carbon compounds |
| D. | Organic matter |
| Answer» C. Carbon compounds | |
| 15. |
The change in chromosome that is an exact multiple of basic set of chromosome is termed as |
| A. | Euploid |
| B. | Aneuploid |
| C. | Haploid |
| D. | Autopolyploid |
| Answer» B. Aneuploid | |
| 16. |
The best suitable storage condition for fresh unshelled peas is: |
| A. | 5 degrees C and 85% RH |
| B. | 0 degree C and 90-95% RH |
| C. | 15 degree C and 60-70% RH |
| D. | None of the above |
| Answer» C. 15 degree C and 60-70% RH | |
| 17. |
A form of controlled atmosphere storage in which the produce is stored in a partial vacuum is called; |
| A. | Hypo baric storage |
| B. | Gas storage |
| C. | Modified storage |
| D. | Controlled atmospheric storage |
| Answer» B. Gas storage | |
| 18. |
Most abundant and basic Auxin is _________ |
| A. | IAA |
| B. | NAA |
| C. | 1BA |
| D. | 2-4 D |
| Answer» B. NAA | |
| 19. |
Cluster bean is: |
| A. | Self-pollinated |
| B. | Cross-pollinated |
| C. | Often Cross-pollinated |
| D. | None of the above |
| Answer» B. Cross-pollinated | |
| 20. |
Potato is a source of Vitamin: |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 21. |
Anthracnose resistant variety of French bean is: |
| A. | Contender |
| B. | Kentucky Wonder |
| C. | Tweed Wonder |
| D. | None of these |
| Answer» D. None of these | |
| 22. |
Vitamin C content in French bean is enhanced with the application of : |
| A. | Zinc |
| B. | Iron |
| C. | Copper |
| D. | Calcium |
| Answer» B. Iron | |
| 23. |
The use of plant materials and landscaping techniques to conserve soil moisture and to reduce water usage is: |
| A. | Xeriscaping |
| B. | Waterscaping |
| C. | Natural landscaping |
| D. | Bogscaping |
| Answer» B. Waterscaping | |
| 24. |
Synthetic products which when applied to plants, produce reactions almost identical to hormones, are called |
| A. | Plant hormones |
| B. | Plant growth regulators |
| C. | Photoperiodism activator |
| D. | Plant growth promoters |
| Answer» C. Photoperiodism activator | |
| 25. |
Light energy, carbon dioxide, and water enter into the process of photosynthesis, through which: |
| A. | Respiration results |
| B. | Carbohydrates are formed |
| C. | Chlorophyll is formed |
| D. | Amino acids are formed |
| Answer» C. Chlorophyll is formed | |
| 26. |
. A physical aging activity in which plant tissue degenerate and ultimately die is called. |
| A. | Fruit ripening |
| B. | Maturity |
| C. | Senescence |
| D. | a & b |
| Answer» D. a & b | |
| 27. |
This mineral is exposed to high heat and expanded. It is often used as a propagation media. |
| A. | Perlite |
| B. | Vermiculite |
| C. | Peat Moss |
| D. | Sand |
| Answer» C. Peat Moss | |
| 28. |
Fungicide for controlling powdery mildew diseases of pea is: |
| A. | Captan |
| B. | Indofil M-45 |
| C. | Karathane |
| D. | None of the above |
| Answer» C. Karathane | |
| 29. |
Cock s comb is a physiological disorder of _____ |
| A. | Sapota |
| B. | Aonla |
| C. | Ber |
| D. | None of the above |
| Answer» B. Aonla | |
| 30. |
Cowpea is probably a native of: |
| A. | India |
| B. | China |
| C. | Central Africa |
| D. | None of these |
| Answer» D. None of these | |
| 31. |
Queen of Nuts is called ________ |
| A. | Walnut |
| B. | Almond |
| C. | Peanut |
| D. | Date palm |
| Answer» D. Date palm | |
| 32. |
Fruit of the 21st century is called _________ |
| A. | Jamun |
| B. | Ber |
| C. | Aonla |
| D. | Bael |
| Answer» D. Bael | |
| 33. |
India is known as home of _________ |
| A. | Vegetables |
| B. | Spices and Medicinal |
| C. | Fruits |
| D. | Flowers |
| Answer» C. Fruits | |
| 34. |
King of Fruits is called _________ |
| A. | Mango |
| B. | Guava |
| C. | Apple |
| D. | Citrus |
| Answer» B. Guava | |
| 35. |
Queen of Fruits is called __________ |
| A. | Avocado |
| B. | Mango |
| C. | Mangosteen |
| D. | Ber |
| Answer» D. Ber | |
| 36. |
King of Nuts is called _________ |
| A. | Walnut |
| B. | Almond |
| C. | Peanut |
| D. | Date palm |
| Answer» B. Almond | |
| 37. |
Which of the following climbers is important for its hardiness and flowers throughout year? |
| A. | Vitis vinifera |
| B. | Bongainvillea glabra |
| C. | Tecoma grandiflora |
| D. | Quisqalis indica |
| Answer» C. Tecoma grandiflora | |
| 38. |
The new growth of a Dieffenbachia is weak and spindly, with large gaps between the leaves. The problem is probably: |
| A. | Salt damage |
| B. | Nitrogen deficiency |
| C. | Botrytis |
| D. | Lack of light |
| Answer» E. | |
| 39. |
What are two of the most important qualities for selecting a rooting media? |
| A. | Hard and free from pests |
| B. | Well drained and low moisture retentive |
| C. | Water holding capacity and Air holding capacity |
| D. | None of these |
| Answer» D. None of these | |
| 40. |
King of Temperate Fruits is called _________ |
| A. | Pear |
| B. | Apple |
| C. | Peach |
| D. | Kiwi Fruit |
| Answer» C. Peach | |
| 41. |
Fleshy fruit with thin skin, not formed from the ovary but from another part of the plant is known as: |
| A. | Berry |
| B. | Drupe |
| C. | Stone fruit |
| D. | Pome |
| Answer» E. | |
| 42. |
Compounds possessing hormone like properties which have small molecular weight, are termed as : |
| A. | Auxins |
| B. | Gibberellins |
| C. | Kinins |
| D. | None of these |
| Answer» D. None of these | |
| 43. |
Which of the following is not an important environmental requirement for germination to occur? |
| A. | Proper temperature |
| B. | Oxygen |
| C. | Carbon dioxide |
| D. | Moisture |
| Answer» D. Moisture | |
| 44. |
Use of a pipe covered by a rope for providing support to some indoor plants like Scindapsus, is termed as: |
| A. | Terrarium |
| B. | Totem |
| C. | Topiary |
| D. | None of the above |
| Answer» C. Topiary | |
| 45. |
The most important environmental factor regulating flower initiation in bulbous species is: |
| A. | Light |
| B. | Temperature |
| C. | Moisture |
| D. | Ventilation |
| Answer» C. Moisture | |
| 46. |
Which of the following is a true vegetable crop? |
| A. | Sweet potato |
| B. | Okra |
| C. | potato |
| D. | Spanish |
| Answer» C. potato | |
| 47. |
The largest chilli growing state is: |
| A. | MP |
| B. | Tamil nadu |
| C. | Andhra Pradesh |
| D. | Rajasthan |
| Answer» D. Rajasthan | |
| 48. |
The most serious disease of okra is: |
| A. | Yellow vein mosaic |
| B. | Powdery mildew |
| C. | Leaf curl |
| D. | Tomato spotted wilt virus |
| Answer» E. | |
| 49. |
Polyembryonic fruit crop (/crops) is (/are) |
| A. | Mango |
| B. | Citrus |
| C. | Jamun |
| D. | All of the above |
| Answer» E. | |
| 50. |
which of the following vegetable is perennial? |
| A. | Asparagus |
| B. | Cauliflower |
| C. | Garlic |
| D. | Beans |
| Answer» B. Cauliflower | |