List of top Questions asked in AP EAPCET- 2025

Enzymes that remove nucleotides from ends and make specific cuts:
The phenomenon of a single gene product may produce more than one effect so that a single gene may be related to more than one character.
Methods for inserting recombinant DNA into host:

I. Selectable marker
II. Disarmed pathogen vector
III. Biolistic method
IV. Microinjection
Match the following:
Animal Class
A) Feather starV) Crinoidea
B) Acorn wormIV) Enteropneusta
C) Pearl oysterI) Bivalvia
D) MillipedeIII) Diplopoda
The type of dentition found in vertebrates that lack a renal portal system
Which of the following is an echinoderm?
Anamniotic tetrapod is
Study the following and identify the correct combinations
Assertion (A): Arthropods are schizocoelomates
Reason (R): Coelom in arthropods is formed by splitting of mesoderm
The following are the names of larvae of certain phyla. Identify the larva(e) that belongs to Annelida.
I) Parenchymula
II) Planula
III) Miracidium
IV) Nauplius
V) Glochidium
VI) Trochophore
VII) Bipinnaria
Study the following regarding circulatory system of cockroach and identify the correct option
Statement I : The cockroach heart is a tubular structure with 13 chambers.
Statement II : Haemolymph in cockroach plays a role in oxygen transportation.

Match the following

Body Cavity Phylum 
A.AcoelomI.Platyhelminthes
B.PseudocoelomII.Nematoda
C.Schizocoelomic coelomIII.Mollusca
D.Enterocoelomic coelomIV.Echinodermata
Identify the flatworms among the following non-chordate animals:

I. Euspongia
II. Aurelia
III. Beroe
IV. Taenia
V. Wuchereria
VI. Convoluta
Match the following

Study the following and pick up the correct combinations:
 

Sl.No.ClassesFeaturesExamples
IOsteichthyesFilamentous gillsScoliodon
IIAmphibiaSternum appeared first timeIchthyophis
IIIReptilesTemporal fossaeBungarus
IVAvesCorpus callosum in brainCorvus

Study the following and pick up the correct combinations

S.No.GroupSalient FeatureExample
IAvesPneumatic bonesColumba
IIMammaliaCorpus callosumMacaca
IIIReptiliaEpidermal scalesCalotes
IVChondrichthyesCartilagenous skeletonScoliodon
Identify the schizocoelomate phyla from the following.
I. Platyhelminthes
II. Nematoda
III. Annelida
IV. Chordata
V. Arthropoda
VI. Echinodermata
VII. Mollusca

Match the following:
 

Zoological Name Common Name 
A) Pila I) Apple snail 
B) Lepisma II) Silver fish 
C) Daphnia III) Water flea 
D) Aranea IV) Spider 
Taxonomic hierarchy includes the following obligate categories:
Class, Family, Kingdom, Order, Species, Phylum, Genus
Arrange them in correct sequence.
Hologamy is observed in
Pneumonia is caused by
Match the following
Identify the mismatched pair
Which of the following is an intra uterine device (IUD)?
This vaccine is a toxoid.