R.K. Sharma Test 14 — Agri Master Mind

Chenopodium is _______ weed ?
  • Broad leaves
  • Sedges
  • Grasses / small leaf
  • None
Stellaria redia (chick weed) indicates ?
  • Sulphur dioxide pollution
  • Nitrogen dioxide pollution
  • Phosphorus dioxide pollution
  • All of the above
Phalaris minor has a dormancy period of _____ ?
  • 3-4 years
  • 4-5 years
  • 5-6 years
  • 1-3 years
Weeds propagate by ______ ?
  • Stolons
  • Suckers
  • Tubers
  • All of the above
Which of the following is NOT a characteristic of weeds ____ ?
  • Late seed setting & early maturity
  • Deep root system
  • Prolific seed production
  • Vegetative propagation
Which of the following is NOT an importance of amaranthus ?
  • Used as vegetable
  • Adds organic matter
  • Used in cottage industries
  • All are uses of amaranthus
Statement 1 :- Argemone Mexicana is an annual kharif weed. Statement 2 :- cirsium vulgare is a biennial weed.
  • Both are incorrect statement
  • Both are correct statement
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Statement 1 :- cuscuta spp is a semi stem parasite on Lucerne crop. Statement 2 :- orabanche spp is a total root parasite on tobacco crop.
  • Both are incorrect statement
  • Both are correct statement
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Which of the following weed is used in snake bite?
  • Leucas aspera
  • Striga spp
  • Phyllanthus niruri
  • Typha spp
Which of the following is NOT a weed of rice ?
  • Eclipta alba
  • Echinochloa spp
  • Celosia spp
  • None of the above
The common name of Goose grass is:
  • Borreria hispida
  • Trianthema portulacastrum
  • Portulaca oleracea
  • Elusine indica
Family of abutilon indicum weed _____ ?
  • Malvaceae
  • Amaranthceae
  • Gramineae
  • Compositae
Other than pistia, which weed comes in the same category as floating aquatic weeds?
  • Typha
  • Nilumbium
  • Polygonum
  • Nymphaea
Statement 1 :- Dormancy in chenopodium album is 20-25 months. Statement 2 :- phalaris minor in wheat shows morphological similarities.
  • Both are incorrect statement
  • Both are correct statement
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Family of Lantana camara:
  • Verbenaceae
  • Papavaraceae
  • Graminae
  • Scrophulariaceae
Statement 1 :- Parthenium hysterophorus is a prohibited noxious weed. Statement 2 :- Parthenium hysterophorus is introduced from the USA.
  • Both are incorrect statement
  • Both are correct statement
  • Statement 1 is incorrect & statement 2 is incorrect
  • Statement 1 is correct and statement 2 is incorrect
Which of the following is NOT a weed of rice ?
  • Eclipta alba
  • Echinochloa spp
  • Celosia spp
  • None of the above
Family of Parthenium hysterophorus is:
  • Labiatae
  • Asteraceae
  • Oxalidaceae
  • Gramineae
Lemna polyrrhiza is which type of aquatic weed?
  • Submerged weeds
  • Marginal weeds
  • Emerged weeds
  • Floating weeds
Which of the following weed has economic value in terms of its roots?
  • Cynodon dactylon
  • Cichorium intybus
  • Lantana camera
  • Eichhornia crassipes
Scrophulariaceae is the family of:
  • Striga spp
  • Sorghum halepense
  • Sida spinosa
  • All of the above
Argemone & Euphorbia are:
  • Obligate weeds
  • Facultative weeds
  • Both A & B
  • None
Statement 1 :- Family of Physalis minima is Solanaceae. Statement 2 :- Ground cherry is the common name of Physalis minima.
  • Both are incorrect statement
  • Both are correct statement
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Statement 1 :- Argemone mexicana is used for skin diseases. Statement 2 :- Striga is used for jaundice.
  • Both are incorrect statement
  • Both are correct statement
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Amaranthus spp produce _________ seeds/plant:
  • 19600
  • 196000
  • 1960000
  • 19600
Statement 1 :- Cyperus rotundus is used for making agarbatti. Statement 2 :- Argemone mexicana is used for making acidic soil alkaline.
  • Both are incorrect statement
  • Both are correct statement
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Which of the following weeds maintains soil fertility?
  • Typha
  • Cynodon dactylon
  • Convolvulus arvensis
  • All of the above
Statement 1 :- Chenopodium spp produce 74000 seeds/plant. Statement 2 :- Evasiveness is a property of weeds.
  • Both are incorrect statement
  • Both are correct statement
  • Statement 1 is incorrect & statement 2 is correct
  • Statement 1 is correct and statement 2 is incorrect
Achyranthes is a ___________ weed?
  • Biennial
  • Annual
  • Perennial
  • Both B & A
Which of the following is NOT a limiting factor in crop-weed competition?
  • Space
  • Carbon dioxide
  • Light
  • Moisture