List of top Botany Questions asked in AP EAPCET

Methanogens are:

Assertion (A): In prokaryotes the DNA in the nucleoid is organized in large loops held by proteins.
Reason (R): In prokaryotes, negatively charged DNA molecules are held with positively charged proteins.
Identify the correct option from the following:

Choose the correct statements among the following
I. Conjugation is a conservative process because donor bacteria donot retain copy of genetic material.
II. In Bacterial transformation, genetic information is expressed in recipient cell.
III. Salmonella typhimurium is a transformation bacteria.
IV. Biologically active toxic pollutant can be detected by Biosensors.

Choose the plants from the given list which have hypogynous flowers.
Mustard, Cucumber, Brinjal, Plum, Rose, Peach, Guava, Sunflower, and China Rose.

Arrange the following events that occur during prophase-I of Meiosis - I
A) Formation of synaptonemal complex
B) Repulsion between Homologous chromosomes
C) Formation of Bivalents
D) Exchange of Genetic material between non-sister chromatids of Homologous chromosomes
E) Terminalization
The correct sequence is
Options :

Choose the correct statements:

I. In exothermic reactions, ‘P’ is at a lower level than ‘S’
II. Enzyme activity is affected by temperature due to changes in tertiary structure
III. Low temperature denatures the protein
IV. Ligases remove groups from substrate

Choose the correct statements among the following
I. No energy is used directly by the plant to translocate water.
II. The mechanism of water transport from the soil through the plant body to the atmosphere includes diffusion, bulk flow, and osmosis.
III. Water moves in the root via apoplast, transmembrane and symplast pathway.
IV. The cohesion tension theory explains water transport in xylem.

Assertion (A): Trichomes help in preventing water loss due to transpiration.
Reason (R): The specialized cells near the guard cells together constitute stomatal apparatus.

Identify the plants with the following characters in a sequence:

A) Annual plants found in dry weather
B) Submerged in water without rooted in mud
C) No contact with soil, present on surface of water
D) Perennial plants to withstand prolonged drought conditions

The correct sequence of essential elements K, Mg, Mo, P, C of the given list, which show following activities.
A) ATP synthesis
B) Component of enzymes
C) Enzyme activation
D) Turgidity maintenance

Assertion (A): In plant vacuole, the concentration is higher than the cytoplasm.
Reason (R): Tonoplast facilitates the transport of ions and other materials against concentration gradient.
Identify the correct option from the following
Options:

Match the following:

Assertion (A): Dicot leaf is dark green in colour on the upper surface and light green in colour on the lower surface.
Reason (R): Palisade tissue is at the abaxial side and spongy tissue is at the adaxial side in this leaf.
Identify the correct option from the following:

Choose the incorrect statements among the following I. Hairy leaves in plants are associated with resistance to insect pest.
II. Solid stem of wheat rejects stem saw fly.
III. Smooth leaves and nector less cotton attracts bollworms.
IV. Resistance to maize stem borer is by low aspartic acid and high nitrogen and sugar.