A. Beijerinck
B. Watson and Crick
C. Stanley
D. Adolf Mayer
Submitted by: Muhammad Omer
Correct Answer: Beijerinck ✔
Last Updated: September 27, 2024
Related MCQs
- A plant virus must have: __________?
- Spread of disease from one individual to another is called: __________?
- Pathogens are present among:
- Who was father of Plant Pathology?
- In agriculture ” Khasra Girdawari” is: __________?
- Plant pathology is the branch of ?
- Heliothus armigera is the name of__________?
- Haustoria are produced __________?
- __________ converts ammonia into nitrite?
- __________ is gram-positive?
- The coprophilic fungi inhabit:
- Erysiphe caused the _________ disease?
- The Tree sends down roots from its branches to the soil is known as:__________?
- The whole body of fungus is known as__________?
- Which one of the following is disease of wheat__________?
- Fungi damage our crops by__________?
- Root knot disease is caused by__________?
- Pathogen is__________?
- The entrance point for air in insects are known as __________?
- The economic injury level for white fly is__________?
- Formulation or insecticides is__________?
- The insecticides with longest residual effect belongs to__________?
- Organo-chlorine insecticides includes__________?
- Blast disease is an international disease of__________?
- Gummosis is the disease of__________?
- Leaf spot or tikka is the disease of__________?
- Which one of the following is polyphagus insect__________?
- The major viral disease of cotton is__________?
- Bombyx morri is the name of__________?
- The technical name of jassid is__________?
- The study of fungi is called__________?
- The major disease of matter (field pea) is__________?
- White rust of crucifers is caused by__________?
- The fungi are plants which can not prepare their food because__________?
- The pesticide poisoning with organo-phosphates or carbamater treated with__________?
- The my co toxins are poisonous substance produced by__________?
- Dormancy of insects in summer is called__________?
- Oceli is__________?
- Insect body is divided in to__________?
- Schistocerca gregaria is the name of__________?
- Trachea in insects are the organ of__________?
- Honey bee, bumble bee, butter flies and moths are__________?
- The main pest of fruit in Pakistan is__________?
- The popular insecticides of organo-chlorine group are__________?
- The insects have__________?
- The sucking type insects of cotton are__________?
- Disease are transmitted through__________?
- Gurdaspur borer is pest of__________?
- Collar rot in chilies is caused by__________?
- Antenae of insect is__________?
- Which of the following is disease of rice__________?