List of top Botany Questions

Identify A, B, C, and D parts in the vascular bundle of monocot stem: 

Identify the correct combinations from the following: 


 

Identify the Anatomical structures based on the following characters given in a series:

  • Lysigenous cavities in the vascular bundles
  • Conjoint, open and endarch protoxylem in vascular bundles
  • More number of stomata in abaxial epidermis
Assertion (A): Hydrophytes contain aerenchyma, which helps in gaseous exchange and buoyancy.
Reason (R): Mechanical tissues and xylem are poorly developed.
Stem tubes, Corn, Rhizome, Cladophyll, Bulbil, Stolon modifications shown by this correct sequence of plants
Ratio of ATP:NADH:FADH2 produced in Krebs' cycle per one acetyl Co-A molecule by substrate level phosphorylation is:
Choose the correct statement related to biological control agents:
A. No negative impact on plants, mammals, birds, or insects.
B. Ecologically sensitive area is being treated.
C. Species-specific insecticidal applications.
D. Integrated pest management is not benefited.

Match the following list: 


 

Correct floral formula of mustard plant:

Identify the correct combinations from the following: 


 

Study the following characters of organisms and identify to arrange in sequence: 
A: Glycogen and chitin 
B: Pigments in cell, mesokaryon 
C: Pellicle, cytostome

In DNA, the bond between the phosphate and hydroxyl group of sugar:

Match the following list: 


 

Diagram represents central dogma of molecular biology. Choose the correct labelling of "X" and "Y": 


 

Arrange the following in correct order in polymerase chain reaction cycle: 
I Deannealing
II Denaturation
III Extension
IV Annealing 
 

Study the table and find the correct combination: 


 

Choose the incorrect statement related to life cycles: 
I. Sporophyte generation is represented by a single-celled zygote. 
II. Gametophyte is multicellular in Pteridophytes and Gymnosperms. 
III. Life cycle is diphlaplontic in Bryophytes. 
IV. Life cycle is haplodiplontic in Pteridophytes.

Choose the correct statement: 
I. Continuous decline in pollinator activity could mean rising of fruits and seeds production. 
II. Conversion of wild lands for domestic use is the cause of disruption of pollinators. 
III. Submerged macrophytes enrich the dissolved oxygen in water.

Choose the correct statement related to growth rate, conditions and growth substances:
A. Root elongation is the arithmetic growth
B. Geometric growth shows sigmoid growth curve
C. Turgidity helps the cells in extension growth
D. Natural cytokinins are synthesised in older parts of the plant
The total number of meiotic divisions that occurred in a flower of malvaceae, which has 60 stamens with 25 microspore mother cells in each sporangium and 25 ovules in each carpel:
These are the roots in a sequence to absorb moisture, support, water minerals from other plants.
Intrafascicular cambium and interfascicular cambium are present in these places:
Taxonomic keys are based on

Match the following: 

Choose the correct combinations based on their Taxonomical features