Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
Potato leaf roll or leaf curl of papaya are caused by
Virus
Bacteria
Fungi
Nematodes
Which one of the following pathogens causes citrus canker disease?
Meloidogyne incognita
Anguina tritici
Xanthomonas citri
Pseudomonas rubilineans
Black rust of wheat is caused by a species of the genus
Mucor
Rhizopus
Aspergillus
Puccinia
Black rust of wheat is a fungal disease caused by
Melamspora lint
Claviceps purpurea
Albugo candida
Puccinia graminis tritici
Soft-rot disease of sweet potato is caused by
Rhizopus stolonifer
Rhizopus sexualis
Chlamydomonas nivalis
Chlamydomonas coccifera
Consider the following statements and place them into true and false category
I. The fungi constitutes a unique kingdom of heterotrophic organisms
II. The common mushroom and toad stools are fungi
IIII. White spots seen on mustard leaves are due to presence of parasitic fungus
IV. Some unicellular fungi (Ustilago) are used to make bread and beer
V. Puccinia graminis tritici is responsible for yellow rust of wheat
VI. Penicillium yields the antibiotic penicillin
True False
True: I, II, III, VI
False: IV, V
True: I, III, V, VI
False: II, IV
True: II, III, IV, V
False: I, VI
True: I, II, IV, V
False: III, VI
All are the viral diseases except
AIDS and mumps
Smallpox and herpes
Influenza
Anthrax
Bacterial blight of rice is caused due to
Xanthomonas oryzae
Helminthosporium oryzae
Pseudomonas falcatum
Xanthomonas falcatum
Which one is wrong pairing for the disease and its casual organism?
Late blight of potato – Alternaria solani
Black rust of wheat – Puccinia graminis
Loose smut of wheat – Ustilago nuda
Root knot of vegetables – Meloidogyne sp.
