List of top Botany Questions

Choose the correct pair related to Bioactive compounds.

Assertion (A): Biological control developed for treatment of plant diseases.
Reason (R): Trichoderma are free living fungi common in root ecosystem.

Choose the incorrect pair regarding plant tissue culture.

Identify the Algae, fungi and bacterium used as SCP in serial.
This nutrient is present more in Golden rice when compared to conventional rice.
Assertion (A): DNA fragments are positively charged.
Reason (R): DNA fragments are separated by gel electrophoresis technique.
In Lac Operon Z, Y, a and i indicates the following codes
Assertion (A): Lac mRNA is synthesized in the presence of inducer.
Reason (R): The activity of repressor protein is suppressed by inducer.
The number of cytosine molecules in a typical ds DNA molecule which is having 20 coils with 480 Hydrogen bonds.
In F2 progeny of dihybrid cross in pea plant the ratio of genotypes YyRR, yyRR, YyRR, Yyrr is
In the progeny of dihybrid cross of pea plant, the phenotype ratio between the proportions of recombinants and parent plants respectively is

Study and match the following lists

Choose correct combinations

Study the Lists and find correct pairs

Plants do not have respiratory organs due to the following reasons
I. Rate of respiration in plants is less than animals  
II. Loose packing of parenchyma cells  
III. Most cells of a plant have at least a part of their surface in contact with air  
IV. Transport of gases within the plant is more  

Study the following and choose the correct pair

The ratio of ATP generated, number of ATP and NADPH + H\(^+\) needed to produce net gain of one glucose in C\(_4\) plants
Find out the incorrect statements regarding Enzymes

Study the table and find deficiency symptoms shown in plants

Find incorrect statements
A. Rhodospirillum is aerobic  
B. Anabaena and Nostoc are free-living nitrogen fixers  
C. Azotobacter is anaerobic  
D. Beijerinckia is aerobic  

Study and match the following Lists

Assertion (A): Root pressure does not play a major role in water movement in tall trees.
Reason (R): Root pressure is responsible for pushing up water to small heights in stem.

Match the following

Hypostomatic condition, sunken stomata and stomatal hairs are found in this leaf
Sclerenchyma tissue is present in this portion of this structure