List of top Questions asked in AP EAPCET

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.

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

The reason for the genetic variation in the population of organisms

Placentation in which ovules develop either on the inner wall of the ovary or attached on the peripheral part

Read and find the correct statement from the given below
A. Species is a group of individual organisms with fundamental dissimilarities.
B. Few similar characters are assigned to a higher category in a division.
C. A decrease in number of common characters is observed from species to kingdom.
D. Lower taxa shares more characters within the members.

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

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

Assertion (A): C\(_4\) plant loses only half of the water compared to C\(_3\) plant for the same amount of CO\(_2\) fixed. Reason (R): C\(_4\) photosynthetic system is evolved for maximizing the availability of CO\(_2\) while minimizing water loss.

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.

The ascending order of molecules of the following compounds released during the oxidation of two molecules of pyruvic acid: FADH\(_2\), CO\(_2\), NADH\(_2\)

The inactivated whole agent vaccine used in the prevention of

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

Among the following the incorrect pair is:

Match the following events during pregnancy with time

List I	List II
A. End of 4 weeks	i. Development of limbs and limb digits
B. End of 8 weeks	ii. Hair on body and separation of eyelids
C. End of 12 weeks	iii. Formation of heart
D. End of 24 weeks	v. Formation of external genital organs

If chromosome number in meiocyte of rice is 24, then the chromosome number in the pollen grains is

Match the following:

Column I (Drug)	Column II (Source)	Column III (Fact)
A. Opioids	M. Opium poppy	I. Receptors are present in CNS and GI tract.
B. Cannabinoids	N. Cannabis sativa	II. Abused by sports persons
C. Cocaine	O. South American Plant	III. Crack
D. Heroin	P. Diacetyl morphine	IV. Smack

Assertion (A): Cistron is a segment of DNA coding for a polypeptide.
Reason (R): Monocistronic structural genes are not splitted in Eukaryotes.

One of the following is not a second messenger in hormone action:

Arrange the following in a sequence in primary succession in water:
A: Sedges and grasses
B: Trees
C: Phytoplankton
D: Free floating plants

Substances that undergo upward or downward transport

The correct match among the following

I. Clostridium - Botulism
II. Diplococcus - Pneumonia
III. Treponema - Gonorrhoea
IV. Neisseria - Tetanus

The method of representing phylogeny by branching diagrams was introduced by

Identify the correct statement in relation to Wuchereria:

Assertion (A): Trichoderma polysporum produces cyclosporin A, an immunosuppressive agent.
Reason (R): It is used in organ transplant patients.