1.  Leaf reduced to spine

2.  Well-developed vascular tissue

3.  Well-developed mechanical tissue

4.  Increase in aerenchyma.

4
Correct Answer :

Increase in aerenchyma.


Explanation :
No Explanation available for this question

1.  Biotic potential

2.  Carrying capacity

3.  Fertility

4.  Birth rate.

4
Correct Answer :

Biotic potential


Explanation :
No Explanation available for this question

1.  Segmentation

2.  Metamerism

3.  Metagenesis

4.  Metamorphosis

4
Correct Answer :

Metamerism


Explanation :
No Explanation available for this question

1.  Choanocytes

2.  Interstitial cells

3.  Gastrodermal cells

4.  Nematocytes

4
Correct Answer :

Interstitial cells


Explanation :
No Explanation available for this question

1.  Mesoglea is present in between ectoderm and endoderm in obelia

2.  Radial symmetry is found in asterias

3.  Fasciola is a pseudocoelomate animal

4.  Taenia is a triploblastic animal

4
Correct Answer :

Fasciola is a pseudocoelomate animal


Explanation :
No Explanation available for this question

1.  In cockroaches and prawns excretion of waste material occurs through malpighian tubules

2.  In ctenophores, iocomotion is mediated by comb plates

3.  In fasciola flame cells take part in excretion

4.  Earthworms are hermaphrodite and yet cross fertilization takes place among them

4
Correct Answer :

In cockroaches and prawns excretion of waste material occurs through malpighian tubules


Explanation :
No Explanation available for this question

1.  Hemichondrata

2.  Urochordata

3.  Cephalochordate

4.  All of the above

4
Correct Answer :

Hemichondrata


Explanation :
No Explanation available for this question

1.  Urochordata

2.  Urochordata

3.  Cephalochordate

4.  None of the above

4
Correct Answer :

Urochordata


Explanation :
No Explanation available for this question

1.  Lateral

2.  Absent

3.  Ventral

4.  Dorsal

4
Correct Answer :

Dorsal


Explanation :
No Explanation available for this question

1.  Belfour

2.  Lamarck

3.  Horst

4.  Linnaeus

4
Correct Answer :

Horst


Explanation :
No Explanation available for this question

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