List of top Botany Questions

Match the following (Cell type vs Size).

Identify the incorrect pair.

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

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

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

Exceptionally unisexual flowers of Liliaceae are:

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

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:

Match the following (Lac Operon Components).

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

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

Choose the incorrect pairs. \[ \begin{aligned} \text{I. Protandry} &- \text{Datura} \\ \text{II. Herkogamy} &- \text{Gloriosa}\\ \text{III. Self sterility} &- \text{Abutilon} \\ \text{IV. Protogyny} &- \text{Sunflower} \end{aligned} \]

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)?

Transposons are used in:

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

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:

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

RNA interference involves:

Methanogens are archaebacteria that grow anaerobically on cellulosic material and produce:

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

Both sporophyte and gametophyte are multicellular in which life cycle?

Match the following Lists.

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