List of top Botany Questions asked in AP EAMCET

The tissues generally present exterior to the vascular cambium made up of these tissues:

Match the following: 


 

Find incorrect statements related to water relations in plants: 
A. Water potential difference is the drawing force for osmosis. 
B. The driving force of diffusion is the concentration gradient. 
C. Pressure potential is negative.

Which of the following statements are correct?
I. In cyathium flowers are pollinated by Blastophaga
II. Bilipped corolla is seen in Ocimum
III. Basal placentation is found in Dianthus
IV. Whorled phyllotaxy is found in Alstonia

Select the correct combinations: 


 

Identify the correct pair of variety crop developed for resistance to the disease:
Assertion (A): By mutations genetic variations are created resulting in a new trait not found in the parental type.
Reason (R): Plants having desirable characters will be selected after inducing mutations with chemicals or radiation.

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

Assertion (A): Lac mRNA is synthesized in the presence of inducer.
Reason (R): The activity of repressor protein is suppressed by inducer.
Identify the Algae, fungi and bacterium used as SCP in serial.
Assertion (A): Influx of ions into inner space of cells is an active process.
Reason (R): Ions are available for free exchange in free space.
In Funaria, the spores are dispersed with this:
The number of cytosine molecules in a typical ds DNA molecule which is having 20 coils with 480 Hydrogen bonds.

Study the table and find the correct combination: 


 

The number of Guanines and Adenines present in the DNA molecule of pitch at 170° with 130 Hydrogen bonds between base pairs:
In the progeny of dihybrid cross of pea plant, the phenotype ratio between the proportions of recombinants and parent plants respectively is

Choose the correct pair from the following: 

Match the different shapes of the cells: 


 

Choose correct pairs from the following: 

Match the following list: 

Choose the correct pair from the following: 


 

Bacteria used to produce human insulin chains is:

Identify the correct combinations from the following: 


 

The correct sequence of plants which help in production of biofertilizers, medicines and protein food is:
Choose the incorrect statement regarding type of reproduction in plants: