List of top Questions asked in AP EAPCET

Hydroponics was first demonstrated by
In plants, sugar synthesis takes place in
Deficiency of the following causes Necrosis or death of leaf tissue
Enzymes are denatured by
Identify the correct pair of aerobic and anaerobic nitrogen-fixing bacteria respectively
Name the cell organelle which are involved in the following processes
A. Conversion of stored lipids to carbohydrates
B. Catabolism of long chain fatty acids
The number of identification characters for the Bryophyllum from the given list
- Monochasial cyme
- Epiphyllous buds
- Leaf notches
- Adventitious roots
- Whorled leaves
The following plant is characterized by trimerous flowers, superior and trilocular ovary with axile placentation.

Match the following
List I orthotropus

If chromosome number in meiocyte of rice is 24, then the chromosome number in the pollen grains is
The correct combinations among the following I. Artificial gene synthesis - H.G. Khorana - Cell Biology
II. Pollen Science - P.K.K. Nair - Pollinology
III. Respiration - Amon - Physiology
IV. Phylogenetic classification - Bessey - Taxonomy
Identify the correct combination.
A. Agrobacterium tumefaciens – vector for transgenic plant.
B. Escherichia coli – selectable marker.
C.Thermus aquaticus – Taq polymerase.
D.Bacillus thuringiensis – BT. Toxin.
Identify the common character present in both dicot and monocot stems

Match the following

The number of phenotypes and their genotypic ratio found when heterozygous round and yellow seeded pea plant crossed with other pea plant showing seeds with wrinkled and heterozygous yellow
Assertion (A): Infectious agents can be passed through the filter.
Reason (R): This filterable agent is responsible for disease.
Among the following, mention diseases that have existed in the past but are now showing incidence in new geographical areas.
Substances that undergo upward or downward transport
The structures that appear as “Beads-on-string” in the chromatin and the number of base pairs are
Match the following:
List I (Organism/Enzyme)List II (Product/Use)
I. Aspergillus niger D. Citric acid
II. Clostridium butylicumC. Butyric acid
III. LipaseA. Detergent formulation
IV. SaccharomycesB. Ethanol
A student has identified certain fungi given below and classified under this number of classes. Mucor, Claviceps, Puccinia, Albugo, Neurospora
Match the following
List AList B
A) Stigma II) Tip of the style
B) Seat of ovulesIII) Placenta
C) Basal part of GynoeciumIV) Ovary
D) Elongated tubeI) Style
Assertion (A): Beggiatoa changes its shape.
Reason (R): Some bacteria change their shapes depending upon the type of environment.
In EcoRI, R and I denote:
Number of base pairs in a full turn of the helical strand and the distance between base pairs in B-DNA.