List of top Plant Sciences Questions on General Agriculture

Given below are two statements, one is labelled as Assertion (A) and other labelled as Reason (R). 
• [Assertion (A):] Inoculated Azospirillum culture did not show growth in Nitrogen free malate broth incubated at 37 °C under shaking conditions. 
• [Reason (R):] Azospirillum requires microaerophilic conditions for nitrogen fixation. Aerobic conditions inhibit nitrogen fixation. 
In light of the above statements, choose the correct answer from the options given below. 
 

Given below are two statements: 
• [Statement (I):] First generation bioethanol is produced from sugar, starch and vegetable oils. 
• [Statement (II):] Second generation biofuels are derived from Algae. 
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 labelled as Reason (R).
• [Assertion (A):] Methane is the major gas generated during anaerobic digestion of organic materials. 
• [Reason (R):] Methanotrophs are the key players in anaerobic digestion of organic matter. In light of the above statements, choose the correct answer from the options given below. 
 

Which of the following are important varieties of sugarcane?
(A). Co 0238
(B). CoPb 94
(C). LRA 5166
(D). Co 86032
(E). Karan 9
Match List-I with List-II

List-I: Phytochemicals & List-II: Crops where it is found
(A). Erucic acid & (I). Glycine max
(B). Kunitz trypsin inhibitor & (II). Zea mays
(C). BOAA & (III). Brassica spp
(D). Phytic acid & (IV). Lathyrus sativus
Choose the correct answer from the options given below:
Which of the following factors can NOT cause a population to deviate from Hardy-Weinberg equilibrium ?
Which of the following Geographical Indication is not matched correctly ?
Which of the following is the scientific name of a major fiber crop cultivated in India ?
The inflorescence of wheat is called
Given below are two statements :
Statement (I) : Potato is an important cash crop for Indian farmers.
Statement (II) : Potatoes are a versatile crop that can be used for food, feed, and industrial purposes. The crop has a high yield potential and can be grown in different agro-climatic conditions.
In light of the above statements, choose the most appropriate answer from the options given below.
Which of the following is true regarding CRISPR-Cas9 gene editing in crops ?
The practice of growing different crops in recurrent succession on the same land is known as
In a field experiment conducted under RBD, the number of replications and the treatments should be adjusted in such a way that the error degree of freedom (d.f.) becomes :
(A) $<$ 12
(B) At least 12
(C) 12 or more
(D) n-12