List of top Botany Questions asked in TS EAMCET

In A gamete chromosome number is 2. In B chromosome number in meiocyte is four times higher than A. In C the chromosome number in gamete is three times higher than B. Identify A, B and C respectively.

In most situations, hormone acts as antagonist to Gibberellins:

Match the following (Cell type vs Size).

Identify the incorrect sentence(s):
• Cellulose is heteropolymer
• Trypsin is a hormone
• Arthropod exoskeleton contains chitin
• Inulin is a polymer of fructose

Following statements are related to lipids. Identify the correct option.

Identify the incorrect pair.

Assertion (A): Accumulation of \(K^{+}\) ions into guard cells is associated with passive influx of \(Cl^{-}\).
Reason (R): Hence, water potential of guard cells decreases.

Phenotype and genotype ratios in \(F_{2}\) progeny are the same in:

In Morgan's experiments on linkage percentage of white and yellow body recombinant flies in \(F_{2}\) generation is:

In phylogenetic systems, evolutionary trends in plants were considered by:

Exceptionally unisexual flowers of Liliaceae are:

Characters related to ovule in Helianthus. \[ \begin{aligned} \text{I. Inverted} \\ \text{II. Curvature angle is }180^\circ \\ \text{III. Unitegmic} \\ \text{IV. Micropyle lies close to funicle} \end{aligned} \]

Match the following (Lac Operon Components).

Commelina species produce two different types of bisexual flowers “A” and “B”. Select the correct option regarding types of flowers and modes of pollination from the Table given below:

Choose the incorrect pairs from the following. \[ \begin{aligned} \text{I. Pine apple} &- \text{Syconus} - \text{Juicy succulent bracts} \\ \text{II. Jack fruit} &- \text{Sorosis} - \text{Succulent perianth} \\ \text{III. Fig} &- \text{Syconus} - \text{Fleshy peduncle} \\ \text{IV. Cashew} &- \text{Nut} - \text{Cotyledons and succulent bracts} \end{aligned} \]

Match the following (Anticodons).

In Meselson--Stahl's experiment, if DNA of E.coli is extracted after 40 minutes, what will be the densities of DNA molecules formed (2nd generation)?

RNA interference involves:

Transposons are used in:

Match the following. \[ \begin{array}{ll} \text{I. Mustard} & \text{A. Superior} \text{II. Ray florets of sunflower} & \text{B. Half inferior/superior} \text{III. Pea} & \text{C. Inferior} \text{IV. China rose} & \text{D. Superior} \end{array} \] \[ \begin{array}{ll} \text{P. Parietal} & \text{Q. Basal} \text{R. Marginal} & \text{S. Axile} \end{array} \]

Microorganism forming symbiotic association with plants and helps them in their nutrition is:

Match the following (List-I: Organism; List-II: Use in Biotechnology).

Margins of sepals or petals overlap one another but not in any particular direction. This type of aestivation is called:

Which collections of preserved plant and animal specimens help for study and reference?

Observe the given figure of cross A and cross B and select the correct statement.