MCQ on Algae, Fungi and Lichen

 1. A blue-green algae which are 2.9 billion years old is the oldest fossil record from India. It is

A) Rivularia B) Chlamydomonas C)Archaeosperoides D)Oscillatoria


2.Write the name of a famous Phycologist.
A) M O P Iyengar 
B) Birbal Sahni C) Kashyap D)Strasburger


3. Usnea belongs to

Usnea -Fruticose


A)foliose lichen B) fruticose lichen C) crustose lichen D) Leprose lichen

 

4.Vegetative reproduction in lichens takes place by

 A) soredia B) Isidia C) fragmentation D) all the above


5. What is meant by lichenometry?

A) Study regarding the age of lichens.

B) Study of the age of exposed rock surfaces based on the size of lichen thalli.

C) Study regarding the calculation of the period in which lichens evolved.

D) Study regarding the succession of various forms of lichens


6. The pH indicator in the litmus test is a dye extracted from the lichen.

A) Umbilicaria esculenta 

B) Parmelia saxatilis 

C) Roccella tinctoria 

D) Xanthoria parietina

 

7. What are arbuscules? 

A) The spore producing structures 

B) Site of nutrient exchange between the fungus and the host 

C) Propagating structures 

D) Structures formed for defensive purpose


8. Pichia kudriavzevii is the teleomorph of the Candida Krusei, which of the following statements are true?

I. Pichia Kudriavzevii and Candida Krusei are same organism and teleomorph is the sexual stage of an organism

II. Pichia Kudriavzevii and Candida Krusei are different organisms, teleomorph is different organism showing the same morphology

III. Pichia Kudriavzevii and Candida Krusei are related organisms, teleomorph is different organism showing the same physiology

        A)III

        B)II

        C)I

        D)None of these 

9. Macdonald Pfitzer law is related with:

Macdonald Pfitzer law

 A) Reproduction in Bacillariophyta  B) Algal bloom

 C) Flagellar movement  D) Algal reserve food formation

 10. Reserve food in Phaeophyceae

A) Volutine B) Laminarin C) Starch D) Floridian starch

11. Compare the algae/algal product with the most appropriate economic importance associated with it.

p) Coralline algae                          l. Ice cream/Salad cream

q) Cyanophycean members          m. Cosmetics

r) Carragenin                                n. binding agent on the surface of soil

s) Algin                                         o. liming the soil

A) p-n, q-l, r-m, s-o

B) p-m, q-n, r-o, s-l

C) p-m, q-n, r-l, s-o

D) p-o, q-n, r-m, s-l

 

 Learn more:

Answers

1. C)Archaeosperoides 

2. A) M O P Iyengar

3. B) fruticose lichen

4. D) all the above

5. B) Study of the age of exposed rock surfaces based on the size of lichen thalli.

6. C) Roccella tinctoria 

7. B) Site of nutrient exchange between the fungus and the host 

8.  C)I

9.  A) Reproduction in Bacillariophyta 

10. B) Laminarin 

11. D) p-o, q-n, r-m, s-l

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