Which of the following nematodes attack above-ground plant parts?
A) Pratylenchus
B) Anguina
C) Meloidogyne
D) Rotylenchulus
Which one of the following helps in maintaining the shape of nematodes?
A) Pseudocoelomic fluid
B) Cuticle and muscles
C) Pseudocoelome
D) Annulation of cuticle
Which one of the following pairs is not correctly matched?
A) Karnal bunt - Neovossia horrida of wheat
B) False smut - Ustilaginoidea virens of rice
C) Hill bunt - Tilletia foetida of wheat
D) Ear cockle - Anguina tritici of wheat
Which one of the following statements correctly defines economic threshold level?
A) The pest population level at which control measures should be taken to prevent the pest population from reaching economic injury level
B) The lowest pest population density that will cause economic damage
C) The optimum pest population density that will cause economic damage
D) The pest population level at which application of pest control measures will be uneconomic
Who used a lens for the first time to study microorganisms?
A) Robert Koch
B) Antony Van Leeuwenhoek
C) Louis Pasteur
D) Butler
Which is the citrus nematode?
A) Hoplolaimus
B) Pratylenchus
C) Rotylenchulus
D) Tylenchus

Report Card

Total Questions Attempted: 0

Correct Answers: 0

Wrong Answers: 0

Percentage: 0%