Biology Test 359

Question 1
4 / -1

Which of the following is an example of a green algae?

A
Laminaria

B
Sargassum

C
Chlamydomonas

D
Fucus

Question 2
4 / -1

Which of the following correctly describes the role of viroids?

A
They are protein-based infectious agents causing neurological diseases.

B
They are larger than viruses and consist of DNA.

C
They are composed of free RNA without a protein coat and cause diseases like potato spindle tuber disease.

D
They serve as a symbiotic relationship between algae and fungi.

Question 3
4 / -1

Which of the following is a characteristic feature of sponges?

A
Tissue level of organization

B
Presence of Ostia

C
Extracellular digestion

D
Indirect development

Question 4
4 / -1

Read the following statements about bryophytes and select the incorrect ones:

(a) Mosses have an elaborate mechanism of spore dispersal.

(b) In liverworts, the haploid free living sporophyte is formed by spore germination.

(c) Vegetative reproduction in Polytrichum occurs by budding in the secondary protonema.

(d) Marchantia is a heterosporous bryophyte.

(e) Growth of bog moss ultimately fills ponds and lakes with soil.

A
(a), (b), and (c)

B
(d) and (e) only

C
(b) and (d) only

D
All except (a)

Question 5
4 / -1

What characteristic of cockroach nymphs distinguishes their development process as paurometabolous?

A
Nymphs undergo a pupal stage before becoming adults.

B
Nymphs resemble miniature adults and undergo multiple molts.

C
Nymphs emerge from eggs fully formed as winged adults.

D
Nymphs develop in aquatic environments before transitioning to land.

Question 6
4 / -1

Which algal group is primarily found in marine habitats and possesses chlorophyll a, c, and fucoxanthin?

A
Chlorophyceae

B
Rhodophyceae

C
Phaeophyceae

D
Myxophyceae

Question 7
4 / -1

The order generally ends with

A
ales

B
aceae

C
eae

D
none of these

Question 8
4 / -1

Bacteria multiply by ___________.

A
Asexual reproduction

B
Sort of Sexual reproduction only

C
buds

D
Both a and b

Question 9
4 / -1

What type of blood circulatory system do cockroaches have?

A
Closed circulatory system

B
Open circulatory system

C
Dual circulatory system

D
No circulatory system

Question 10
4 / -1

Which of the following are correct?

(i) Diploblastic:Coelenterates

(ii) Triploblastic:Platyheliminthes to Chorodates

(iii) Acoelomate: Platyhelminthes

(iv) Pseudocoelomate:Aschelminthes /Roundworms

(v) Eucoelomate:Annelids to Chordates

A
(iv) and (v) are correct

B
(i), (ii), (iii) ,(iv) and (v) are correct

C
(i), (ii) and (v) are correct

D
(iii) and (v) are correct

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Biology Test 35...

Question 1

Laminaria

Sargassum

Chlamydomonas

Fucus

Question 2

They are protein-based infectious agents causing neurological diseases.

They are larger than viruses and consist of DNA.

They are composed of free RNA without a protein coat and cause diseases like potato spindle tuber disease.

They serve as a symbiotic relationship between algae and fungi.

Question 3

Tissue level of organization

Presence of Ostia

Extracellular digestion

Indirect development

Question 4

(a), (b), and (c)

(d) and (e) only

(b) and (d) only

All except (a)

Question 5

Nymphs undergo a pupal stage before becoming adults.

Nymphs resemble miniature adults and undergo multiple molts.

Nymphs emerge from eggs fully formed as winged adults.

Nymphs develop in aquatic environments before transitioning to land.

Question 6

Chlorophyceae

Rhodophyceae

Phaeophyceae

Myxophyceae

Question 7

ales

aceae

eae

none of these

Question 8

Asexual reproduction

Sort of Sexual reproduction only

buds

Both a and b

Question 9

Closed circulatory system

Open circulatory system

Dual circulatory system

No circulatory system

Question 10

(iv) and (v) are correct

(i), (ii), (iii) ,(iv) and (v) are correct

(i), (ii) and (v) are correct

(iii) and (v) are correct

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