1.  Sachs

2.  Dixon and jolly

3.  Bose

4.  Robert brown

4
Correct Answer :

Dixon and jolly


Explanation :
No Explanation available for this question

1.  Glochidium larva

2.  Trochophore larva

3.  Zoea larva

4.  Amphiblastula larva

4
Correct Answer :

Amphiblastula larva


Explanation :
No Explanation available for this question

1.  Increase transpiration

2.  Reduces transpiration

3.  Increases rate of photosynthesis

4.  Causes guttation

4
Correct Answer :

Reduces transpiration


Explanation :
No Explanation available for this question

1.  Calcarea

2.  Hexactinellida

3.  Hydrozoa

4.  Demospoangiae.

4
Correct Answer :

Hydrozoa


Explanation :
No Explanation available for this question

1.  Protozoa and porifera

2.  Protozoa and coelenterate

3.  Protozoa and annelid

4.  None of the above.

4
Correct Answer :

Protozoa and porifera


Explanation :
No Explanation available for this question

1.  Cellulose fibres

2.  Silk fibres

3.  Spongin fibres

4.  Yellow elastic fibres.

4
Correct Answer :

Spongin fibres


Explanation :
No Explanation available for this question

1.  cell at the opening of incurrent canal

2.  smaller canal and connect incurrent canal with radial canal

3.  cell which forms lining of spongocoel

4.  contractile element at osculum

4
Correct Answer :

smaller canal and connect incurrent canal with radial canal


Explanation :
No Explanation available for this question

1.  Increase transpiration

2.  Reduce transpiration

3.  Increase rate of photosynthesis

4.  Cause guttation

4
Correct Answer :

Reduce transpiration


Explanation :
No Explanation available for this question

1.  The body of sponges consists of epithelial tissues only

2.  All the 4 type tissues are seen in the body of sponge

3.  Only epithelial and connective tissues are present

4.  Structurally organized tissues are absent in the body of sponge.

4
Correct Answer :

Structurally organized tissues are absent in the body of sponge.


Explanation :
No Explanation available for this question

1.  Increase

2.  Decrease

3.  Fluctuate

4.  Remain unchanged

4
Correct Answer :

Increase


Explanation :
No Explanation available for this question

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