List of top Agronomy Questions

What is the minimum cardinal temperature ($^{\circ}$C) of maize and wheat

\(Zn^{+2}\) is an inorganic activator for enzymes

Which of the following vitamins serves as a hormone precursor

What is the date of vernal equinox in the northern hemisphere

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): The temperature increases in the troposphere from ground to tropopause.
Reason (R): Ozone absorbs ultra violet radiation in the stratosphere and makes it warm.
In light of the above statements, choose the correct answer from the options given below.

The instrument used for measuring photosynthetically active radiation (PAR) is

Given below are two statements:
Statement (I): The direction of movement of water and nutrients in xylem and phloem is unidirectional
Statement (II): Sucrose is transported from the source to the sink via phloem
In light of the above statements, choose the most appropriate answer from the options given below.

When farmers of a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield in pulse crop

Rotenone is a

An enzyme that joins the ends of two strands of nucleic acid is

Sugarcane seed sets essentially have buds

Osmotic expansion of a cell kept in water is chiefly regulated by an organelle

Which one of the following is a wrong statement

Given below are two statements:
Statement (I): The greater the concentration of water in a system, lower is its kinetic energy or water potential
Statement (II): Pure water will have the lowest water potential
In light of the above statements, choose the most appropriate answer from the options given below.

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Water and mineral uptake by root hairs from the soil occurs through apoplast until it reaches endodermis.
Reason (R): Casparian strips in endodermis are suberized.
In light of the above statements, choose the correct answer from the options given below.

Nitrogenase

Which of the following is not a correct pairing of a macronutrient and its major function in growth and developments of plants

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Nitrogen fixing bacteria require a rich supply of carbohydrates.
Reason (R) : The process of nitrogen fixation requires 16 ATP molecules for the synthesis every 2 ammonia molecules.
In light of the above statements, choose the correct answer from the options given below.

The golgi complex plays a major role

Most abundant gas in our atmosphere that plants cannot utilize directly in its atmospheric form and is captured by certain bacteria that live symbiotically in the nodules of roots

Tree Crops: A Permanent Agriculture is written by