Free Agronomy MCQs with Answers

• A. Al the above
• B. Lack of integrity in seed cells
• C. Endogenous inhibitors
• D. Intrinsic Mechanism

Explanation: Abnormal seedling growth can result from internal developmental mechanisms, loss of cellular integrity, or endogenous growth-inhibiting…

• A. 45°c for 3-8 days
• B. 50°c for 3-7 days
• C. 54°c for 2-6 days
• D. None of the aboveSearch Public Records

Explanation: Rice seed dormancy can be reduced by dry-heat treatment at about 50°C for several days, commonly 3 to 7 days.

• A. Foundation seed
• B. Certified seed
• C. Breeder seed
• D. Registered seed

Explanation: Nucleus seed is the genetically pure starting stock maintained by the breeder, and its multiplication produces breeder seed.

• A. Germ (1949)Order Crop Seeds
• B. Baskin (1972)
• C. Moore (1973)
• D. Maguire (1962)

Explanation: Maguire’s formula estimates germination speed by summing the number germinated at each count divided by the days elapsed.

• A. Nicolls & Hey Decker (1968)
• B. Kittock &. Law (1953)
• C. Moore (1973)
• D. Germ (1949)

Explanation: Kittock and Law are credited in seed-testing references with estimating vigour from the intensity of colour developed in stained seeds.

• A. Physical productivity
• B. Mass
• C. Biological yield
• D. None of the aboveOrder DNA Kits

Explanation: Biological yield is the total dry matter accumulated by a plant, including grain and vegetative parts, as a result of photosynthesis.

• A. None of the above
• B. Range
• C. Resin
• D. Pioneer

Explanation: A pioneer is the first plant or vegetation type to colonize and occupy a newly exposed or disturbed area.

• A. 30°C
• B. 40°C
• C. 50°C
• D. None of the above

Explanation: A hot desert is typically characterized by a very high mean annual temperature, conventionally represented in basic agronomy texts as…

• A. Litter
• B. Foraging
• C. Lopping
• D. None of the above

Explanation: Lopping means cutting or removing branches, commonly from trees or shrubs, to obtain fodder or forage.

• A. Dry condition
• B. None of the above
• C. Desert area
• D. Moist places

Explanation: Mesophytes are plants adapted to moderate water availability, so they grow best in moist but not waterlogged places.

• A. S. mavretiana
• B. S. aphylla
• C. S. oleaides
• D. Sesbania sesban

Explanation: Jantar is commonly identified botanically as Sesbania sesban, a leguminous plant used for green manuring.

• A. Arid
• B. Tropical
• C. Temperature
• D. None of the above

Explanation: A climate with warm summers and clearly pronounced winters is temperate, not tropical or arid.

• A. And
• B. Temperature
• C. Tropical
• D. None of the above

Explanation: Tropical conditions are characterised by high temperatures and little or no true winter.

• A. Linear planting
• B. Retrogression
• C. Biodiversity
• D. Succession

Explanation: Succession is the gradual replacement of one plant community by another over time.

• A. Tundra
• B. Barren land
• C. Glaciers
• D. None of the above

Explanation: Tundra is the treeless, cold biome of the Arctic and other high-latitude regions.

• A. SO3
• B. SO2
• C. SO4
• D. None

Explanation: Sulfur dioxide is released directly from fuel combustion and industrial sources, so it is a primary air pollutant.

• A. Mirgation
• B. Ecosystem
• C. Ecology
• D. Biodiversity

Explanation: Biodiversity means the variety of living organisms, including animals, plants and crop species, within different ecosystems.

• A. Conservation
• B. Substainability
• C. Biodiversity
• D. Environment

Explanation: Conservation means protecting and managing natural resources so they remain available for present and future generations.

• A. Product
• B. Substrate
• C. Mycotoxin
• D. None of the above

Explanation: The substrate is the reactant or substance that fits into an enzyme's active site and is converted into product.

• A. Certified seed
• B. Pre-basic seed
• C. Basic seed
• D. Pure seed

Explanation: In the usual seed-certification colour code, a white label identifies basic seed, while certified seed is commonly marked with a blue…