ICAR JRF Mock Test - 6 - Agriculture Exams MCQ

Given below are two statements:
Statement I: It becomes difficult to open and shut the wooden doors and windows during rainy season.
Statement II: Wooden doors and windows imbibe water in rainy season and thus their volume is increased.
In light of above statements, choose the most appropriate answer from the option given below.

Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): CAM plants lack structural compartmentation of leaf as found in C4 plants..
Reason (R): Stomata of CAM plants are open during the day.
In light of the above statement choose the most appropriate answer from the options given below-

Deficiency symptoms of Cu are_________?
(A) Appears on old leaves and veins are remaining green
(B) Appears on new leaves and veins are not remaining green
(C) Leaf become yellow tending towards whiteness
(D) Leaf become yellow but not tending toward whiteness
Choose the correct answer from the options given below:

Laterite represents_________and contains more of_________respectively?
(A) Red soil
(B) Regolith soil
(C) Manganese and Silicate
(D) Iron and Aluminium
Choose the correct answer from the options given below:

Read the following statements.
(A) Rhizobium leguminosarum were earlier known as Bacillus radicicola.
(B) Nitrifying bacteria (Nirosomonas) are chemoautotrophs.
(C) Enzyme nitrogenase fixes N2 under aerobic conditions.
(D) Leghaemoglobin creates aerobic conditions for the enzyme nitrogenase.
Choose the correct answer from the options given below:

Match the following:

Choose the correct answer from the options given below:

Match the following:

Choose the correct answer from the options given below:

Match the following:

Choose the correct answer from the options given below:

Match the following:

Choose the correct answer from the options given below:

Given below are two statements:
Statement I: Deficiency symptoms of N, K and Mg are first visible in senescent leaves.
Statement II: Biomolecules containing these elements are broken down in the older leaves making these elements available for mobilising to younger leaves.
In light of above statements, choose the most appropriate answer from the option given below.

Read the following statements.
(A) Red light falling in the range of wavelength 660-760 nm is the most effective for photosynthesis.
(B) Green light falling in the range of wavelength 500-580 nm is the least effective for photosynthesis.
(C) Chl a, chl b, carotenes and xanthophyll's are soluble in organic solvents.
(D) Phycobilins (phycocyanin, allophycocyanin and phycoerythrin) are soluble in water.
Choose the Incorrect statement from the options given below:

Match the following:

Choose the correct answer from the options given below:

Given below are two statements:
Statement I: The wind velocity at which movement of most erodible soil particles initiated is known as maximum fluid threshold velocity.
Statement II: Minimum wind velocity necessary for initiating movement of most erodible soil particle is 16 km/hr.
In light of above statements, choose the most appropriate answer from the option given below.