Practice MCQs Questions on Weed Management for Agronomy NET+ARS(P)+STO Exam

 

Practice MCQs Questions on Weed Management for Agronomy NET+ARS(P)+STO Exam 2021-22

MCQ 1.
Discovery of which herbicide herald the birth of Weed Science as a new discipline in agricultural science?

a. Monuron
b. 2,4-D
c. Simazine
d. Glyphosate

MCQ 2. 

What is the weed species that first showed resistance in wheat in India and to which herbicide?

a. Phalaris minor, isoproturon
b. Echinochloa crus-galli var. Crusgalli, butachlor
c. Rumex dentatus, florasulam
d. Poa annua, isoproturon

MCQ 3. 

Weed seeds look similar and difficult to differentiate from crop seeds are called as:

a. Crop mimicry
b. Environmental weeds
c. Noxious weeds
d. Objectionable weeds

MCQ 4. 

Weed of non-native origin is:

a. Parthenium hysterophorus
b. Abutilon indicum
c. Acalypha indica
d. Phyllanthus niruri

MCQ 5. 

Narrow-leaved weeds, arranged in sets of three and triangular stem are called:

a. Grasses
b. Monocots
c. Sedges
d. Dicots

Answer key is

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Answere Keys:  

ANS.: 1. b. 2,4-D 

ANS.: 2. a. Phalaris minor, isoproturon  

ANS.: 3.  d. Objectionable weeds 

ANS.: 4. a. Parthenium hysterophorus  

ANS.: 5. c. Sedges