Classification of fungi - class-XI
Description: classification of fungi | |
Number of Questions: 89 | |
Created by: Ashok Dhingra | |
Tags: living world useful and harmful microbes biological classification biology kingdom monera, protista and fungi botany |
Which of the following statements is not correct regarding mycorrhiza ?
Mycorrhiza is the
Mycorrhiza is a symbiotic association between root and
A mycotrophic humus plant is
Mycorrhiza, a relationship between fungi and roots of higher plants is
A symbiotic association between fungus and underground part of a plant is
Mycorrhiza does not help the host plant in:
Which one of the following plays an important role in phosphate nutrition of plants?
VAM represents
VAM is
In what way does a fungus growing around the roots of higher plants benefit them?
Mycorrhiza acts as
The symbiotic association between fungi and roots of higher plants is referred to as:
Select correct statement w.r.t. mycorrhiza
Which one of the following is a useful functional association between fungi and the roots of higher plants?
Glomus sp., which involve in mycorrhizal association belongs to
VAM (Vesicular-arbuscular mycorrhizae) represents
Mycorrhizae are the example of
Which of the following pairs is mismatched?
The association between fungus and root system of certain plants is called as
The ectomycorrhizae form _______ on the root surface.
Mycorrhiza is an example of
What is true about mycorrhiza?
Mycorrhiza is an example of
Fungal association of roots of higher plants in mycorrhiza is
Mycorrhizae specialized for absorption of nutrients from the soil are
Which one of the following pairs is correctly matched?
Mycorrhiza exhibits the phenomenon of
VAM contains
Mycorrhiza promotes plant growth by
Mycorrhiza generally occurs in :
In endomycorrhiza, the fungus is generally _________.
True symbiotic association between fungus and seed plant is
In mycorrhiza, the fungal hyphae
In mycorrhiza, the tips of fungal hyphae occur inside cortical cells in _______
Ectomycorrhiza is found in
Fungal hyphae remain intercellular in
Plants growing in oligotrophic forest soils usually have
VAM is component of _________
Mycorrhiza is helpful in
A phosphate solubilising symbiotic association is :
VAM is a
Association of roots of higher plants and fungi is?
VAM is
Mycorrhiza is a symbiotic association between
Mycorrhiza improve the soil structure by _______________.
The fungus which grows around the root surface is called
Roots of higher plants develop mycorrhiza for obtaining
Mycorrhiza is a symbiotic association between
Mycorrhiza is an example of
Consider the following statements.
a. Mycorrhizae decrease the efficiency of plants to absorb phosphorus from the soil.
b. Only certain prokaryotes synthesize the enzyme nitrogen's.
Which of the statements are correct?
Which one is an example of mutualism?
(b) Orchid and Bee
(c) Fig tree and wasp
(d) Epiphytes.
Select the true statements out of the following.
(A) VAM is useful for phosphate absorption.
(B) Most of the lichens are ascolichens.
(C) Trebouxia is most common phycobiont in lichens.
Give a brief account on VAM.
An association between roots of higher plants and fungi is called
Fungus which is found in Pinus root is
Mycorrhiza is an association between roots of higher plant and fungus. It is an example of
Match column I with column II and select the correct answer from the given codes.
Column I | Column II | ||
---|---|---|---|
A. | Mycorrhizae | (i) | Azadirachtin |
B. | Bacillus thuringiensis | (ii) | Phosphorus nutrition |
C. | Root nodules | (iii) | Leghaemoglobin |
D. | Biopesticide | (iv) | Bioinsecticide |
Sclerotia extract of .................. fungus produce a powerful hallucinogenic drug LSD and drug ergotine.
Medicinal importance alkaloids extracted from Claviceps are
'Ergot of rye' is caused by
Yeast like budding of Oidia in Mucor/ Rhizopus is called :
How many of the given fungi are saprophytes in nutrition?
Rhizopus, Puccinia, Albugo Mucor, Saccharomyces |
---|
Heterothallism was discovered in ___________.
Which type of life cycle occurs in Mucor?
'Ergot' is obtained from
Mucor belongs to .......... sub-division of Eumycota.
Ergot (of Rye) is obtained from
Claviceps purpurea is casual organism of
Which saprotroph is similar in appearance to the Mucor?
Failure of gamentangial fusion in Rhizopus forms _______.
Which form of sexual reproduction can be related to Mucor?
Fungus Rhizopus resembles moss in having _______.
Black colour of Bread Mould is due to :
Claviceps purpurea grows as parasite :
St. Anthony's fire disease is caused by :
Heterothallism is found in :
Zygospore of Mucor is :
In Mucor, zygospore germinates through the formation of :
Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread?
(a) Temperature about $25^o C . $
(b) Temperature about $5^o C . $
(c) Relative humidity of about 5 millibars
(c) Relative humidity of about 95 millibars
(e) A shaded place
(f) A brightly illuminated place.
Choose the answer from the following options :
Sporangiospores of Mucor are
In Mucor, zygospore develops from :
Ergot of rye is caused by a species of:-
Which of the following pairs are correctly matched?
a. Wood rooting - Fomes
b. Coprophilus - peziza
c. Primary rock colonizers - Nidularia
Select the correct answer using the codes given.
Identify the wrong statement.
Ergotism is due to consumption of
Which of the following fungi consists chitosan in its cell wall?
Which is wrong statement?
In Mucor conjugation produces