Biological Classification Test

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Biological Classification Test - 72

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Weekly Quiz Competition

Question 1
1 / -0

Which one does not belong to Monera?

A
Archaebacteria

B
Slime mould

C
Eubacteria

D
Mycoplasma.

Solution

Monera is one of the kingdom. It contains unicellular prokaryotic organisms. They lack true nucleus and cell membrane. Bacteria belongs to this kingdom. Apart from bacteria, Eubacteria, Cyanobacteria, Archaebacteria and mycoplasma belong to this kingdom. Slime mould belongs to Kingdom Protista.
Thus, the correct answer is option B.
Question 2
1 / -0

Lichens are composite organisms containing an alga and

A
Fungus

B
Bacterium

C
Moss

D
Protozoan

Solution

Lichens are composite organisms containing algae and fungus. They live in symbiotic association. In this, algae provides food and nutrition obtained by photosynthesis. In turn, fungus provides protection, anchorage and absorption of water and nutrition from soil for algae.
Thus, the correct answer is option A.
Question 3
1 / -0

In Agaricus, the largest phase of nuclear condition is ______.

A
$$n$$

B
$$2n$$

C
$$n+n$$

D
$$3n$$

Solution

Agaricus is a genus of mushrooms containing both edible and poisonous species. It is mostly multicellular but sometimes unicellular. The largest phase of nuclear condition is $$n+n$$.
So, option C is the correct option.
Question 4
1 / -0

Pick up the wrong statement.

A
Lichens are symbiotic associations.

B
Lichens do not grow in unpolluted areas.

C
Lichens are very good pollution indicators.

D
Algal component of lichen is known as phycobiont .
Solution
- Lichens are widely used as environmental indicators or bio-indicators. If the air is clean, shrubby, hairy and leafy, the lichens become abundant.
- Only a few lichen species can tolerate quite high levels of pollution.
So the correct option is B.
Question 5
1 / -0

Which of the following is not a characteristic of oomycetes?

A
Flagellate zoospores

B
Hyphen cell wall consisting of cellulose

C
Oogamous reproduction

D
Production of ascosporic
Question 6
1 / -0

The fungal component of lichen belongs to the class

A
Ascomycetes

B
Basldiomycetes

C
Both A and B

D
Deuteromycetes

Solution

On the basis of the structure of fruiting bodies of fungal components, Zahl Bruckner classified lichen into two groups,
(a) Ascolichens: The fungal component of these lichens belong to class Ascomycetes.
(b) Basididichens: The fungal component of these lichens belong to class Basidiomycetes.
Hence, the fungal component of all lichens belongs to either Ascomycetes or Basidiomycetes.
Thus, the correct answer is option C.
Question 7
1 / -0

A structure is lichens that is similar to stomata in function is known as ____________.

A
Soredium

B
Isidium

C
Cyphellae

D
Cynalle

Solution

C. Cyphellae
Reason : The function of stomata is to exchange the gas between plant and environment. Cyphellae is also responsible for gaseous exchange in lichens whereas soredium and isidium is related to reproduction.
So, the correct answer is option C
Question 8
1 / -0

Which is in appropriate among the following in terms of the concept that $$\cfrac { \left[ A \right] }{ \left[ T \right] } $$ and $$\cfrac { \left[ G \right] }{ \left[ C \right] } $$ in DNA is equal to one"

A
coliphage $$\phi \times 174$$

B
Polio virus

C
TMV

D
All of the above
Solution
- Chargaff's rules states that DNA from any cell of all organisms should have a 1:1 ratio (base Pair Rule) of pyrimidine and purine bases and, more specifically, that the amount of guanine is equal to cytosine and the amount of adenine is equal to thymine, such that their ratio remains 1.
- Coliphage ϕ×174, Polio virus and Tobacco mosaic virus contain single stranded RNA as their genetic material, hence, chargaff's rule is not applicable.
So, the correct option is 'All of the above'.
Question 9
1 / -0

Alga-fungi belongs to which class?

A
Phycomycetes

B
Deuteromycetes

C
Ascomycetes

D
Basidiomyctes

Solution

Phycomycetes have non- septate hyphae. They are found in an aquatic habitat. The asexual reproduction takes place by aplanospores and zoospores. These spores are endogenously produced in the sporangium. Zygospores are formed by the fusion of two gametes. The hyphae are coenocytic. The alga- fungi belong to Phycomycetes.
So, the correct answer is option A.
Question 10
1 / -0

Consider the following processes.
a. Heterokaryon Formation
b. Diploidization of nuclei
c. Restoration of diploid nuclei to their haploid state(haploidization)
Pansexual cycle in fungi involves.

A
$$1$$ and $$2$$

B
$$1$$ and $$3$$

C
$$2$$ and $$3$$

D
$$1, 2$$ and $$3$$

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Re-Attempt Weekly Quiz Competition

Biological Classification Test - 72

Result

Biological Classification Test - 72

Score

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Rank

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SHARING IS CARING

Question 1

Archaebacteria

Slime mould

Eubacteria

Mycoplasma.

Solution

Question 2

Fungus

Bacterium

Moss

Protozoan

Solution

Question 3

$$n$$

$$2n$$

$$n+n$$

$$3n$$

Solution

Question 4

Lichens are symbiotic associations.

Lichens do not grow in unpolluted areas.

Lichens are very good pollution indicators.

Algal component of lichen is known as phycobiont .

Solution

Question 5

Flagellate zoospores

Hyphen cell wall consisting of cellulose

Oogamous reproduction

Production of ascosporic

Question 6

Ascomycetes

Basldiomycetes

Both A and B

Deuteromycetes

Solution

Question 7

Soredium

Isidium

Cyphellae

Cynalle

Solution

Question 8

coliphage $$\phi \times 174$$

Polio virus

TMV

All of the above

Solution

Question 9

Phycomycetes

Deuteromycetes

Ascomycetes

Basidiomyctes

Solution

Question 10

$$1$$ and $$2$$

$$1$$ and $$3$$

$$2$$ and $$3$$

$$1, 2$$ and $$3$$

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