List of top Questions asked in AP EAPCET

A non-staining secondary constriction at a constant location of few chromosomes is called
Assertion (A): Super weeds are fast growing than crops and resistant to weedicides.
Reason (R): There is transfer of new genes into related wild species through natural out crossing.
Find the correct sub-phase based on the arrangement of chromosomes during M-phase. M-phase -- The arrangement of chromosomes at different stages.
Arrange the following events in the correct sequence during the process of fertilization in Angiosperms: I. Fusion of other male gamete with polar nuclei
II. Transfer of pollen grains from anther to stigma
III. Fusion of male gamete with egg nucleus
IV. Release of male gametes into cytoplasm synergid
V. Pollen tube formation
Cryopreservation is done at a temperature of:
Identify the correct pair from the following
A. Golden algae - diatoms
B. Trichodesmium erythrium - Red Sea
C. Kieselguhr - Chrysophytes
D. Red tides of Mediterranean sea - Dinoflagellates
A specific organism [A] showing the lack of cell wall, survive without oxygen, pleomorphic. The other organism [B] has cell wall embedded with silica and indestructible. A and B respectively belong to
In a dorsiventral leaf, the position of xylem
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.
Find the correct matching
A) Carrot -- Flowers appear from the same point of peduncle
B) Cocos -- Flowers protected by the modified bract
C) Achyranthes -- Flowers appear in the varied lengths of pedicels
D) Cassia -- Flowers appear on the flattened peduncle
Identify the Taxonomists from the group of scientists mentioned below: Hugodevries, Endlicher, Frankel Konrat, Haeckel, de Candolle, Hanning
Name the cells of mature pollen grain when you observe under microscope with the following characters respectively,
A) Bigger cell with abundant food reserve and large irregular shaped nucleus.
B) Small, dense cytoplasm with nucleus.
Haem group associated with the enzyme catalase is an example of
The anatomical characteristic features of hydrophytes are
Assertion (A): Epidermis of hydrophytes is useful for absorption and assimilation.
Reason (R): In hydrophytes, epidermal cells are devoid of cuticle and contain chloroplasts.

Identify the group of plants belong to the same family based on the floral formula given below

Name the Mendel’s factors and pair of contrasting traits
Assertion (A): There is rising cost for pollinator-dependent fruits and vegetables.
Reason (R): Many pollinators are disrupted as they exist in isolation.
Co factor that forms coordination bonds with side chains at active site of enzyme
A person suffering from Iodine deficiency may be recommended to take extracts of this plant preparation.
The ratio of homozygous tall and dwarf plants in F2 generation in monohybrid cross is
Arrangement of vascular bundles and bundle sheath tissue in Monocot stem
Choose the correct statement related to the morphology of Cassia
Following is not a part of symplastic system.
Assertion (A): Pollen banks can be used in crop breeding programs.
Reason (R): Pollen grains can be stored for many years in liquid nitrogen.