List of top Botany Questions

Statement I: Spiral cuticular thickenings of trachea in cockroach are called taenidia.
Statement II: In cockroach, inspiration is a passive process.
This rule states that with the increase of every 10° C, the rate of metabolic activities double:
The separated DNA fragments can be visualised after staining with 'X' and exposure to 'Y'. The 'X' and 'Y' are
Sexual reproduction in plants was discovered by:

Match the following:

Variation in lengths of filaments of stamens within a flower is seen in:
The first reaction in photosynthesis is:
Study the following and pick up the incorrect statements:
I.The axolemma has more \( K^+ \) leakage channels than \( Na^+ \) leakage channels.
II.Ligand gated channels open or close in response to electrical stimuli.
III.Voltage gated channels open in response to a change in membrane potential.
IV.Speed of conduction of nerve impulse is more in non myelinated nerve fibre than the myelinated nerve fibre.
Dehydration occurs during the formation of the following types of bonds:

Match the following: 

Assertion (A): Direct pollination is found in gymnosperms. Reason (R): Ovules of gymnosperms are naked.
Statement I:Angina pectoris is a warning signal of deprivation of blood supply to the heart muscles.
Statement II:Coronary artery disease is also called atherosclerotic heart disease.
Match the following:
Placentation Types
Dehydration occurs during the formation of the following types of bonds:
The following type of cell divisions occurs in microspore mother cells to increase their number in microsporangium:
In human genome, the highest number of genes are present in:
Match the following \begin{table}[ht] \centering \renewcommand{\arraystretch}{0.6} \begin{tabular}{|c|c|} \hline List - 1 & List - 2
\hline A. UV- B rays & I. Electrostatic precipitator
B. Greenhouse gases & II. Snow blindness
C. Particulates & III. Eutrophication
D. Automobile emissions & IV. Global warming
& V. Catalytic converters
\hline \end{tabular} \end{table} The correct answer is

Study the following and pick up the correct statements:

 I. Greater biodiversity is found in temperate regions 
II. Invasion of alien species is a threat for local species 
III. Loris tardigradus is one of the threatened species in our country 
IV. A biographic region with significant reservoir of biodiversity that is under threat of extinction from humans is called a sanctuary

Specialized epidermal cells surrounding the guard cells are:
Identify incorrect match: A. Asparagus - Cladode - Balancing roots
B. Bougainvillea - Thorn - Runner
C. Dioscorea - Bulbil - Vegetative reproduction
D. Casuarina - Phylloclade - Xerophyte
Match the following: \includegraphics[width=0.5\linewidth]{1image.png} The correct answer is
Dual functions of codon AUG
‘A’ diploid chromosome number is 4. ‘B’ haploid chromosome number is twice to that of A. ‘C’ diploid chromosome number is thrice to that of A. A, B and C respectively are
Cyclosporin A is produced by:
Number of chromosomes in maize root cells at G1 phase, after S and M phases respectively