Biology Chapter 6 Entry test MCQs
Topic 6
Introduction and Characteristics Kingdom Animalia
1. All are the features of kingdom animalia except:
a. Eukaryotes
b. Heterotroph
c. Multicellular
d. Organic synthesis
2. A feature shared by all animals:
a. Locomotion by limbs
b. Motile
c. Heterotrophy
d. Aquatic lifestyle
Criteria for Animal Classification
3. Animals of grade radiata are:
a. Triploblastic
b. Diploblastic
c. Pseudocoelomate
d. Acoclomate
4. Reproductive system arises from:
a. Mesoderm
b. Germ layer
c. Endoderm
d. Ectoderm
5. Pseudocoelom develops from:
a. Blastocyst
b. Blastostyle
c. Mesoderm
d. Blastocoel
6. Reproductive system, excretory system, circulatory system and respiratory system developed from:
a. Mesoderm
b. Ectoderm
c. Ectoderm and endoderm
d. Endoderm
7. Bilaterally symmetrical animals are:
a. Placed in one phylum only
b. Lesser developed
c. Triploblastic
d. Lacking mesoderm
8. In coelomate the layer that surround endoderm is:
a. Visceral Mesoderm
b. Coelomic Epithelium
c. Parietal Mesoderm
d. Ectoderm
9. All are correct about acoelomates except:
a. Parenchyma fill the body space
b. Sac type digestive system
c. Well-developed excretory system
d. Well-developed respiratory system
10. A body cavity is absent in:
a. Acoclomates and Pseudocoelomates
b. Acoelomates
c. Coelomates
d. Pseudocoelomates
11. Which of the following are pseudocoelomates?
a. Molluscans
b. Platyhelminthes
c. Aschelminthes
d. Echinoderms
12. A fluid filled cavity which is mesodermal in origin but absent in nematodes is:
a. Pseudococlom
b. Coelom
c. Sponogocoel
d. Gastrocoel
13. Everything is true about coelom except:
a. Lined by mesoderm
b. Found between body wall and gut
c. Bound internally by cuticle of intestine
d. Fluid filled
14. Acoelomates do not lack:
a. Special transport system
b. Coelom
c. Coelomic fluid
d. Mesoderm
15. In coelomates, gut is lined externally by:
a. Splanchnic mesoderm
b. Visceral mesoderm
c. Endoderm
d. Parietal mesoderm
Diversity Among Animals
16. Which system is more developed in acoelomates?
a. Digestive system
b. Excretory system
c. Osmoregulatory system
d. Respiratory system
17. Spiral and determinate type cleavage is present in:
a. Cake urchin
b. Pinworm
c. Amphioxus
d. Star fish
18. Indeterminate cleavage is not a characteristic of:
a. Chordata
b. Echinodermata
c. Hemichordata
d. Mollusca
19. Animals of grade————-can be divided into equal halves in many planes.
a. Radiata
b. Multigenecity
c. Bilateria
d. Polymorphism
20. ———–cells of cnidarians give rise to nematocyst.
a. Mesodermal
b. Ectodermal
c. Peridermal
d. Endodermal
Invertebrate Phyla
21. The animal which has false coelom is:
a. Hookworm
b. Spongilla
c. Planaria
d. Obelia
22. An acoelomate is:
a. Annelids
b. Flatworm
c. Earthworm
d. Molluscs
23. Sponges have special mobile cells called:
a. Choanocytes
b. Pinacocytes
c. Amoebocytes
d. Flagellated cells
24. An animal found from ocean was observed to have no tissue organization. It is most likely to be the member of phylum:
a. Echinodermata
b. Porifera
c. Hemichordate
d. Coelenterate
25. The skeleton of sponges consists of:
a. Calcium carbonate
b. Carbonate of lime
c. Carbonate of lime & silicon
d. Silicon