EAMCET Practice Questions

1. Assertion (A): Both Echinodermata and Chordata are classified under the same division Deuterostomia.
Reason (R): In their development mouth forms after the appearance of anus as a second opening.
1) Both ‘A’ and ‘R’ are correct. ‘R’ is correct explanation for ‘A’.
2) Both ‘A’ and ‘R’ are correct but ‘R’ is not correct explanation for ‘A’.
3) A is true but R is false.
4) Both ‘A’ and ‘R’ are false.

2. Read the following.
I) Large pharynx
II) Numerous gill slits
III) Anterior branchial aperture
IV) Retrogressive metamorphosis
Above characters are related to.
1) Doliolum
2) Oikopleura
3) Herdmania
4) Branchiostoma

3. Match the following.
Scientific Name
A) Conraua
B) Rachophorus
C) Hyla
D) Rana tigrina
Common Name
I) tree frog
II) common Indian frog
III) largest frog
IV) flying frog
V) midwife toad
Choose the correct match.
1) A-III, B-IV, C-I, D-V 2) A-III, B-IV, C-V, D-II
3) A-III, B-IV, C-I, D-II 4) A-V, B-IV, C-I, D-II

4. Assertion (A): In protostomes the cleavage is determinate type.
Reason (R): Cleavage spindles or planes are oblique to the polar axis.
1) Both ‘A’ and ‘R’ are correct but ‘R’ is not correct explanation for ‘A’.
2) Both ‘A’ and ‘R’ are correct R is correct explanation for A.
3) Both ‘A’ and ‘R’ are false.
4) A is true but R is flase

6. The vessel which carries blood from gut to liver is.
1) hepatic portal vein
2) hepatic artery
3) hepatic vein
4) bile duct

7. Read the following.
I) Scales absent
II) Cloaca absent
III) Spiracles absent
IV) four pairs of gill slits, operculum present The above description is related to a cartilaginous fish. It is
1) Sea vampire 2) Sting ray 3) Whale shark 4) Rat fish

8. Vocal cords are present in
1) Caecilians 2) Anurans 3) salamanders 4) all amphibians

9. Assertion (A): The names which bear a suffix ‘OIDEA’ represent super family of the classification.
Reason (R): Man belongs to the Order Anthropoidea.
1) Both ‘A’ and ‘R’ are correct but ‘R’ is not correct explanation for ‘A’.
2) Both ‘A’ and ‘R’ are false.
3) Both ‘a’ and ‘R’ are correct. R is correct explanation for A.
4) A is true but R is false.

10. Read the following.
I) They have skull
II) Back bone is absent
III) Bony dermal scales
IV) Girdles absent
The above characters belong to
1) Apoda 2) Cyclostomata 3) Acanthodi 4) Ostracodermi

11. Read the following.
I) It has cloaca
II) Respires by two lungs and gill slits.
III) It shows discontinuous distribution.
IV) Dorsal and Ventral fins are united with caudal fin.
The above description is related to.
1) Neoceratodus 2) protopterus 3) Polypterus 4) Lepidosiren

12. Which of the following are most closely related?
1) frogs and salamanders
2) frogs and caecilians
3) frogs and toads
4) caecilians and urodeles

13. Who classified animals into two groups – with blood and without blood?
1) Aristotle 2) Pliny 3) Haeckel 4) Copeland

14. Non ganglionated dorsal nerve cord is present in.
1) Polyplachophora 2) Archiannelida 3) Vertebrate 4) Turbellaria

15. Catadromous migration is shown by.
1) Petromyzon 2) Myxine 3) Lepisosteus 4) Anguilla

16. Indian caudate is.
1) Amphiuma 2) Ambystoma 3) Tylotriton 4) Typhlonectus

17. In 1797, Cuvier proposed the genus Echidna for the spiny anteater. However, Forster had already published the name Echidna in 1777 for a genus of moray eels. In relation with this case identify
the correct option from the following
1) Echidna becomes a senior synonym to moray eels.
2) Echidna is a senior homonym to spiny anteater.
3) For spiny anteater Echidna is junior synonym
4) For moray eels Echidna is a senior homonym.

18. Assertion (A): In Larvaceans gill slits open directly to exterior.
Reason(R): Atrial cavity is absent in them.
1) Both ‘A’ and ‘R’ are correct. R is correct explanation for A.
2) Both ‘A’ and ‘R’ are correct but ‘R’ is not correct explanation for ‘A’.
3) A is true but R is false.
4) The statement ‘A’ is false but the statement ‘R’ is true.

19. The eggs of amphibians are
1) Microlecithal 2) Macrolecithal 3) Mesolecithal 4) Centrolecithal

ANSWERS
1)1 2)3 3)3 4)1 5)4 6)1 7)4 8)2 9)2 10)4 11)4 12)3 13)1 14)3 15)4 16)3 17)4 18)1 19)3.

1. The study related to human origin and characteristics and their societies is
1) Anthropology 2) Eugenics 3) Euphenics 4) Humanities

2. Photochordates without blood corupuscles, heart are…
1) Ascidians 2) Larvaceans 3) Thaliaceans 4) Lancelets

3. Viviparous living fossil is
1) Spehnodon 2) Latimeria 3) Neopilina 4) Limulus

4. Headquarters of Urodeles
1) South Africa 2) South America 3) Australia 4) North America

5. Study of animal behaviour is
1) Etimology 2) Ethology 3) Ecology 4) Euphenics

6. Gonoducts are absent in
1) Cephalochordates and cyclostomes
2) Birds and Mammals
3) Urochordates and Cephalochordates
4) Aganthans and Appendicularians

7. Chondrostei fish with heterocercal tail
1) Polypterus 2) Protopterus 3) Acipenser 4) Amia

8. Example for salamander like extinct amphibians
1) Seymouria 2) Eryops 3) Diplacanthus 4) Diplocaulus

9. The Study of embryonic development and other developmental process after birth is
1) Embryology 2) Paediatrics 3) Developmental Biology 4) Eugenics

10. Unmodified viseral arches found in
1) Agnatha 2) Gnathostomata 3) Aves 4) Amphibia

11. Large dorsal spircles are the characteristic of.
1) Rat fish 2) Sharks 3) Coelacanth 4) Rays and skates

12. Find the correct match
1) Bufo – parotid glands
2) Branchiostoma – pronephric kidneys
3) Ureotyphlus – urostyle
4) Necturus- rheoreceptors

13. The joints between two vertebrae of amphibians involve.
1) neural arch 2) zygapophyses 3) gonapophyses 4) zygantra and zygosphenes

14. Which of the following is seen all classes of
Subphylum Vertebrata?
1) Hepatic Portal System 2) Rental Portal System 3) Jaws 4) Sternum

15. Following statments are realted to fishes
I) Lateral line organs act as rheoreceptors
II) Internal ear mainly related to hearing
III) Cerebral hemisphere are inconspicuous in fishes.
IV) Cranial nerves are ten pairs
Choose the Incorrect
1) I only 2) II only 3) III only 4) IV only

16. Ancesters of amphibians
1) Rhipidistians 2) Dipnoi fishes 3) Bradyodonts 4) Teleosts

17. Mule is product in the cross between
1) male horse and female ass
2) male ass and female horse
3) male ass and female hinny
4) female colt and male hinny

18. Which of the following is not a tetrapod?
1) Snake 2) Bird 3) Fish 4) All

19. Septum transversum of fishes separates
1) pericardial cavity and pleuro peritoneal cavity
2) Thoracic cavity and abdominal cavity
3) Brain ventricles and central canal of spinal cord
4) Cranial Cavity and Pericardial Cavity.

20. Read the following statements.
I) The group with procoelous vertebrae as typical vertebra has urostyle.
II) A true sternum is present in those group of animals which have no ribs.
III) Ductus arteriosus connects systemic arch with carotid arch in caecillians.
Above statements are related to class Amphibia. Choose the correct statements.
1) I & II 2) II & III 3) I & III 4) I, II, III

21. In bilaterally symmetrical animals antimeres are produced when the cut passes through.
1) mid sagittal plane
2) frontal plane
3) transverse plane
4) both frontal and sagittal plane

22. The chordates without nerve cord and notochord in adult stages are.
1) Agnathans 2) Tunicates 3) Lancelets 4) Cyclostomes

23. The function (s) of scroll valve in fishes.
I) Increases absorptive surface of the gut
II) It helps in buoyancy
III) It slows down passage of food
IV) It acts as lung cartilagenous fishes
Findout the WRONG statement
1) II 2) IV 3) III 4) I

Answers
1)1 2)4 3)2 4)4 5)2 6)1 7)3 8)4 9)3 10)1 11)4 12)4 13)3 14)1 15)2 16)1 17)2 18)3 19)1 20)1 21)1 22)2 23)4