List of top Zoology Questions asked in AP EAPCET

Identify the structure found in the early embryonic stages of amniotes that provides a clue to their aquatic ancestry.

Erythropoietin hormone is produced by

Cluster of air sacs in lungs are called ___

Assertion (A): Dengue fever is caused due to failure of clot reaction.
Reason (R): The patient of dengue may require transfusion of blood platelets.

Bilateral symmetry is observed in
A. Asterias
B. Bipinnaria
C. Adult gastropods
D. Auricularia Larva
E. Brachiolaria Larva

Assertion (A): Ascaris lumbricoides is a facultative anaerobe.
Reason (R): Ascaris performs either aerobic or anaerobic respiration depending on availability of oxygen.

Rats belong to the class

Choose the incorrect combination among the following:

Class	Character	Example
1) Xiphosura	Poisonous Claws	Limulus
2) Arachnida	Coxal Glands	Scutigera
3) Crustacea	Biramous appendage	Sarcoptes
4) Diplopoda	Gnathochilarium	Spirostreptus

Assertion (A): Kidneys of vertebrates are called retroperitoneal organs.
Reason (R): They are covered by parietal peritoneum only on their ventral side.

Choose the correct statements:
1. Population is a group of organisms belonging to a species living in a particular area.
2. Populations of different species in a given habitat, interacting with one another constitute a community.
3. Population is a group of organisms belonging to different species.

The production of the flowers in response to light hours in a day is

The closest invertebrate relatives of chordates belong to the phylum:

Assertion (A): It is necessary to know the life history of an ascidian to consider it a chordate.
Reason (R): Ascidians exhibit retrogressive metamorphosis in which larval stages are in a degenerated condition.

Arrange the following in sequence in relation to the origin of living organisms
A. Chemo-autotrophs
B. Oxygenic photoautotrophs
C. Anaerobic heterotrophs
D. Anoxygenic photo-autotrophs

Among the following the incorrect pair is:

Find out the correct match Set I A. Carbohydrates
B. Proteins
C. Fats
D. Nucleic acids
Set II i. Nucleosides, Phosphates
ii. Glucose, Fructose, Galactose
iii. Amino acids
iv. Fatty acids, glycerols

Choose the incorrect statements regarding Haemophilia
A. Haemophilia B is X-linked recessive disorder
B. Haemophilia C is autosomal dominant disorder
C. Haemophilia B is caused by deficiency of clotting factor IX
D. Haemophilia A is caused by deficiency of clotting factor XII