Question
Which mechanism of resistance involves adverse effects
on the biology of insects and their progeny due to biochemical and biophysical factors in the host plant?Solution
Explanation: The correct answer is B) Antibiosis involves adverse effects on the biology of insects and their progeny due to biochemical and biophysical factors in the host plant.
What is soil sickness?
Rock Phosphate is applied in which type of soil?
What is the color of the tag used for certified seed?
Which law defines the relationship between the settling velocity of soil particles and their size in a liquid medium?
Which of the following is the progeny of breeder seed and is responsible for producing certified seed?
Which organic component, constituting approximately 10-30% in plant tissues, is often categorized as "very slowly decomposed"?
Which of the following factors are considered to be the most active in the process of soil formation?
The absolute density of soil is also referred to as ……………….which is generally 2.60-2.75 gm/cm3
…………………………means the crop producing capacity of a soil which is measured in terms of yield (bio-mass).
...Sodic soils are also known as_____
