Chromatophores take part in
1. Photosynthesis
2. Growth
3. Movement
4. Respiration
Difficulty Level:
The imperfect fungi which are decomposers of litter and help in mineral cycling belong to
1. Deuteromycetes
2. Basidiomycetes
3. Phycomycetes
4. Ascomycetes
Difficulty Level:
Select wrong statement.
1. The viroids were discovered by D.J lvanowski
2. W.M Stanley showed that viruses could be crystallized.
3. The term 'contagium vivum fluidum' was coined by MW Beijerinck
4. Mosaic disease in tobacco and AIDS in human beings are caused by viruses.
Difficulty Level:
Which one is the wrong statement?
1. Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.
2. Mucor has biflagellate Zoospores
3. Haploid endosperm is typical feature of gymnosperms.
4. Brown algae have chlorophyll a and c fucoxanthin.
Difficulty Level:
Cell wall is absent in :
(1) Nostoc
(2) Aspergillus
(3) Funaria
(4) Mycoplasma
Difficulty Level:
Choose the wrong statement.
1. Penicillium is multicellular and produces antibiotics.
2. Neurospora is used in the study of biochemicalgenetics.
3. Morels and truffles are poisonous mushrooms.
4. Yeast is unicellular and useful in fermentation.
Difficulty Level:
In which group of organisms the Cell walls form two thin overlapping shells which fit together?
1. Chrysophytes
2. Euglenoids
3. Dinoflagellates
4. Slime moulds
Difficulty Level:
Pick up the wrong statement.
1. Cell wall is absent in Animalia.
2. Protista have photosynthetic and heterotropic modes of nutrition
3. Some fungi are edible
4. Nuclear membrane is present in Monera.
Difficulty Level:
Which of the following are most suitable indicators of SO2 pollution in the environment?
1. Lichens
2. Conifers
3. Algae
4. Fungi
Difficulty Level:
Which one of the following matches is correct?
(a)Phytophthora | Aseptate Mycelium | Basidiomycetes |
(b) Alternaria | Sexual reproduction Absent | Deuteromycetes |
(c) Mucor | Reproduction by conjugation | Ascomycetes |
(d) Agaricus | Parasitic fungus | Basidiomycetes |
1. a
2. b
3. c
4. d
Difficulty Level: