List of top Botany Questions

Choose the correct statements among the following: A) In bryophytes and pteridophytes spores produced are always haploid B) Chlamydomonas will produce only non-motile zoospores C) Plants produced vegetatively or asexually are called clones D) Asexual reproduction is common method in relatively simple organisation organisms

In view of the root modifications match the column-I with column-II and select the correct option given below:

Identify the correct statements regarding Bryophytes.

Golden algae (Desmids) belongs to the following class of Protista.

Identify the correct arrangement of taxonomic categories in ascending order.

Match the following: figure [H]

figure

Choose the correct statements among the following: A) Organisms that enrich the nutrient quality of soil is called biofertilizers B) Certain bacteria groups anaerobically on cellulosic material produce large amount of Methane, $CO_{2}$ and $H_{2}$ C) In anaerobic sludge digester bacteria produce hydrogen sulphide only D) Wine and beer are produced by distillation of rice

Assertion (A): Till date no man made technology has been able to rival the microbial treatment of sewage. Reason (R): Major part of the waste water is human excreta, this may contain organic matter, microbes, and some pathogens.

DNA polymerase and deoxynucleotides helps this step in polymerase chain reaction:

Identify the wrong match:

Assertion (A): The genetic material should be stable enough not to change with different stages of life cycle, age, with change in physiology of organism. Reason (R): stability of genetic material is clearly evidenced with transforming principle.

Assertion (A): Bacterium to provide resistance to insects without need for pesticides is biopesticide. Reason (R): The choice of genes depends upon the crop and targeted pest in pest resistance method.

Choose the incorrect statement of the following:

Specific position of DNA where endonucleases make cut with in DNA are:

What is the percentage of Pink colour flowered plants in F2 generation of snapdragon monohybrid cross:

Which of the following functions are concerned with the plant growth regulator cytokinin? I. Chloroplast production in leaves II. Stomatal closure III. Root growth and root hair formation IV. Overcome apical dominance

Identify the incorrect match:

Which of the following pair of symptoms are not commonly appear during viral diseases to plants: