- Viral warts on the feet are actually caused by ___.
a. Herpesvirus
b. Human papillomavirus
c. Adenovirus
d. Wound tumor virus - Which one of the viruses is the smallest virus?
a. Megavirus
b. Pandoravirus
c. Poliovirus
d. Pithovirus - Which one is the estimated size of TMV?
a. 4 nm diameter – 100 nm in length
b. 12 nm diameter – 100 nm in length
c. 18 nm diameter – 300 nm in length
d. 20 nm diameter – 50 nm in length - Free nitrogen-fixing bacteria?
a. Azotobacter
b. Bacillus
c. Clostridium
d. All - Which bacteria have filamentous growth and mistakenly resemblance with fungi?
a. Clostridium
b. Actinomycetes
c. Cyanobacteria
d. Rhizobium - Cells of Nostoc involved in the nitrogenous fixation?
a. Heterocysts
b. Akinetes
c. Vegetative cells
d. All - Which one is a cyanobacterium?
a. Oscillatoria
b. Anabaena
c. Nostoc
d. All - Which one is not related to conjugation?
a. Occur between same genotypes
b. Occurs between same species
c. Occur through pili
d. All are correct in case of conjugation - Which one is green Sulphur Bactria?
a. Leptothrix
b. Cladothrix
c. Ferrobacillus
d. Chlorobium - The bacteria which lack any cell wall?
a. Mycoplasma
b. Streptococcus pneumoniae
c. Bacillus anthrcis
d. Corynebacterium diphtheriae - By using differentiating characters identify (Unicellular, have eyespot and cup-shaped chloroplasts).
a. Spirogyra
b. Anabaena
c. Chlamydomonas
d. Volvox - Which one is not a xanthophyll?
a. Lycopene
b. Myxoxanthin
c. Fucoxanthin
d. Phycobillins - Which one is a more suitable term for the type of reproduction involving the production of one non-motile egg and a large number of motile sperm?
a. Isogamy
b. Anisogamy
c. Heterogamy
d. Oogamy - Which one of the following is not a green alga?
a. Chlorella
b. Spirogyra
c. Chlamydomonas
d. Pinnularia - Male fruitification of Chara is named as __?
a. Antheridium
b. Globule
c. Nocule
d. Strobilus - How many pyrenoids are present in chloroplasts of vaucheria?
a. 1
b. 2
c. 3
d. None - Ectocarpus belongs to ___.
a. Rhodophyta
b. Pyrrophyta
c. Phaeophyta
d. Xanthophyta - Batrachospermum is named due to its resemblance with the __ in water.
a. Fish school
b. Frog`s spawn
c. Larvae of insects
d. Water Lilly - The reserve food material of polysiphonia is _?
a. Lipids
b. Glycogen
c. Floridean starch
d. All - Pycniospores are characteristics of __.
a. Agaricus
b. Puffballs
c. Bract fungi
d. Rust fungi - How many spores are present inside asci of Ascomycota?
a. 1
b. 2
c. 4
d. 8 - The cup-shaped fruiting body of fungi is called __.
a. Cleistothecium
b. Perithecium
c. Apothecium
d. Ascostroma - The conidia are arranged in the form of a chain on the cellular projection from phialide.
a. Conidiophores
b. Metullae
c. Sterigmata
d. Condiogine - Which one of the following stages of ustilago is dormant inside a wheat seed?
a. Uridiospores
b. Teleotospores
c. Hyphae
d. Zygote - The name of the flask-shaped spore-producing cavities of Puccinia graminis fungus is called as _.
a. Aceium
b. Pycnidia
c. Telium
d. Bacidium
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