Which of the following organisms possesses characteristics of both a plant and an animal?
Bacteria
Mycoplasma
Euglena
Paramecium
Which of the following is the vector for sleeping sickness?
House fly
Tse-tse fly
Sand fly
Fruit fly
Cauliflower mosaic virus contains:
Single stranded RNA
Double stranded RNA
Double stranded DNA
Single stranded DNA
Small proteins produced by vertebrate cells naturally in response to viral infections and which inhibit multiplication of viruses are called:
Immunoglobulins
Interferons
Antitoxins
Lipoproteins
During the formation of bread, it becomes porous due to the release of CO2 by the action of:
Yeast
Virus
Protozoans
The chemical compounds produced by the host plants to protect themselves from fungal infection are known as:
Phytotoxin
Pathogen
Phytoalexins
Botulinum
Ergot of rye is caused by a species of:
Phytophthora
Uncinula
Ustilago
Claviceps
Which of the following are known as sac-fungi?
Phycomycetes
Ascomycetes
Basidiomycetes
Deuteromycetes
Non symbiotic nitrogen fixers are:
Azotobacter
Pseudomonas
Soil fungi
Blue - green algae
Which one is the wrong pairing for the disease and its causal organism?
Late blight of potato - Alternaria solani
Black rust of wheat - Puccinia graminis
Loose smut of wheat - Ustilago nuda
Root - knot of vegetables - Meloidogyne spp.