List of top Botany Questions

Which one has no known sexual stage in its life cycle ?
Citrinin, a mycotoxin, is produced by __________.
Theorder O. Diener discovered __________.
The most common structure for vegetative propagation in Lichens is __________.
Among the followings, Endospores are more commonly formed in case of __________.
Nucule is the __________.
Hepatitis B Virus contains __________.
Among the followings, Cap cells are more commonly seen in case of __________.
In the 50S ribosomal subunit, the sedimentation coefficient values of rRNA are 5S and __________.
The bacterial cell wall contains peptidoglycans, which are polymers of N-Acetyl Glucosamine and __________.
Chromosomes number in endosperm cell of ``X'' plant and the chromosomes number of gamete of plant ``Y'' are equal. Plants X and Y respectively are
The given diagram is longitudinal section of an embryo of grass plant. Identify A, B, C and D parts
Consider the following statements:
Assertion (A): The middle lamella is a first formed layer of cell wall.
Reason (R): The middle lamellum develops from cell membrane during cell division.
Resistance to yellow mosaic virus and powdery mildew were induced by mutations in:
Match the following:
Parbhani Kranti is a variety of 'A', shows resistance to 'B' disease. 'A' and 'B' serially are
Study the following showing different organisms with their taxonomic categories:
Match the following:
Observe the chemical reaction and identify the enzyme and its prosthetic group:
Identify A, B, C and D in the diagram of E.coli cloning vector of pBR322:
Identify the incorrect pair:
I. Zinc - ABA Synthesis
II. Boron - Cell elongation
III. Nickel - Urease activator
IV. Molybdenum - Carbohydrate translocation
Chromosome maps / Genetic maps were first prepared by:
Consider the following statements:
Assertion (A): Seed dormancy may be caused by hard seed coats in Fabaceae
Reason (R): Such type of seed dormancy can be broken by stratification
Tetracycline resistance gene of PBR322 shows recognition site for which restriction enzyme?
Which seeds cannot germinate and establish without the presence of mycorrhizae?