Which of the following is not a feature of birds?
1. Forelimbs modified into wings
2. Single occipital condyle
3. Ten pairs of cranial nerves
4. Four chambered heart
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“Amniotes” do not include:
1. Amphibians
2. Reptiles
3. Birds
4. Mammals
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Which of the following statements is not true about Nematodes?
1. They are bilaterally symmetrical, un-segmented worms
2. They are covered with a flexible, thick cuticle that is molted four times as they grow
3. They possess cilia or flagella on their reproductive cells
4. They possess a hydrostatic skeleton
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Radially symmetrical animals:
1. Are all triploblastic
2. Tend to be sessile and passively floating
3. Have a definite head and a brain
4. Have an anterior and a posterior end
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An important evolutionary transition that appeared for the first time in Echinoderms is:
1. Bilateral symmetry
2. Radial symmetry
3. Tube within a tube plan
4. Endoskeleton
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Perhaps the biggest reason for the enormous success of Arthropods is?
1. Chitinous exoskeleton
2. Diverse appendages
3. Respiration by tracheoles
4. Internal fertilization
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The most important reason for the fact that reptiles were the first animals to be successful on land is:
1. Internal fertilization
2. Skin covered with scales
3. Partially divided ventricles
4. Presence of amnion
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A sort of alternation and generation seen in Cnidarians is termed:
1. Metamorphosis
2. Epiboly
3. Metagenesis
4. Anagenesis
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Bilharzia is caused by a/an:
1. Flatworm
2. Roundworm
3. Annelid
4. Arthropod
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Which of the following is not a character of deuterostomes?
1. Radial cleavage
2. Schizocoelous coelom
3. Indeterminate cleavage
4. Blastopore forms anus
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