List of top Zoology Questions asked in AP EAPCET

Darwin called the macro-variations as:

Assertion (A): The p53 gene is often called guardian angel of human genome. Reason (R): It inhibits the development of tumors.

Fertilizer prepared from the scrap fish is:

If sex index ratio of a Drosophila is 0.66, its sexual phenotype is:

Statement I: The change in frequency of a gene that occurs merely by chance and not by selection in small populations is called genetic drift. Statement II: The existence of deleterious genes within the population is called genetic load.

Amniocentesis helps to detect these disorders in the unborn baby.

Assertion (A): Breast feeding during the initial period of infant growth is necessary for bringing up a healthy baby. Reason (R): Colostrum contains several antibodies, especially IgA type.

Expression of more than one phenotypic trait by a single gene is known as:

If blood group of father is A (homozygous) and that of mother is O, these blood groups are not expected in their children:

Study the following and pick up the correct statements: I. Sex linked inheritance due to dominant genes follow criss-cross inheritance.
II. Gene responsible for haemophilia-C lies in autosomes.
III. In sickle cell anaemia in the $\beta$-chain of haemoglobin, valine is replaced by glutamic acid at 6th position.
IV. Cystic fibrosis is due to mutation in the gene located in 7th chromosome.

Match the following:
List-I: (A) Hyperthyroidism, (B) Enlargement of thyroid gland, (C) Hypoparathyroidism, (D) Under secretion of glucocorticoids
List-II: (I) Tetany, (II) Addison's disease, (III) Exophthalmic goiter, (IV) Simple goiter, (V) Cushing's syndrome

Statement I: Part of antibody that binds with the antigen is called paratope. Statement II: Part of antigen that binds with the antibody is known as epitope.

Gomphosis type of fibrous joints are present in:

After infection, HIV attacks these cells:

Glucocorticoids are secreted by:

Study the following statements regarding the central nervous system and identify the incorrect statements: A) The white matter of cerebral hemispheres is called arbor vitae.
B) Thalamus is major coordinating centre for sensory and motor signalling.
C) The extension of spinal cord to the coccyx is called conus medullaris.
D) The myelocoel and diocoel are connected by iter.

Match the following lists regarding blood coagulation inhibitors and factors: A) Heparin, B) Tissue thromboplastin, C) Warfarin, D) EDTA (I) Antagonistic to Vit-K, (II) Binds to calcium ions, (III) Inactivates thrombin, (IV) Activates Proconvertin

Vital capacity (VC) is:

Assertion (A): Physiological uremia is seen in cartilaginous fishes. Reason (R): Urea is formed in liver via ornithine cycle.

Statement I: The parasympathetic nervous system increases the peristaltic movements of the gut. Statement II: The egestion of faeces to the outside through anal opening is an involuntary process.

Match the following: (A) Periphyton, (B) Epineuston, (C) Nekton, (D) Benthos (I) Chironomid larvae, (II) Nymphs of insects, (III) Dineutes, (IV) Dytiscus

In cockroach, identify the incorrectly matched pair:

Diacetylmorphine is also called:

The ozone hole over Antarctica develops each year between: