Virus - Mock Test 5

Question 41

Resting zygospore of Ulothrix zonata forms a rhizoid like structure, this is called “Codiolum stage”. Rhizoid like stage meant for

A) Fixation B) Perennatin C) Photosynthesis D) Respiration

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Question 42

In Ulothrix, filaments produced from zygosproe are

A) All (+) type B) All (-) type C) Half (+) And Half (-) D) 75% (+) and 25% (-)

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Question 43

In Ulothrix gametes are released in

A) morning B) After noon C) Evening D) Night

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Question 44

In Ulothrix, colony formation occurs during

A) Formation of aplano spores B) Formation of zoospores C) Plamell stage D) All of the above

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Question 45

Which cell of Ulothrix does not divide

A) Rhizoidal cell B) Apical cell C) Both the above D) None of the above

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Question 46

The akinate formed during unfavourable conditions in the ulothrix life cycle is

A) Protoplasm + thin cell B) Protoplasm + cell wall C) Cell + thick wall D) Naked protoplasm

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Question 47

In Ulothrix maximum energy is utilized during

A) Movement B) Chemical reaction C) Mitosis D) Xanthophyll synthesis

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Question 48

In Ulothix reduction division occurs

A) In the gametes B) In the zygospores C) In the zoospores D) In the somatic cell

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Question 49

The basal cell of <b>Ulothix</b> is devoid of

A) Nucleus B) Cytoplasm C) Chloroplast D) All of these

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Question 50

The non motile, greatly thickened asexual spores are called

A) Hypnospores B) macro zoospores C) aplanospores D) micro zoospores

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