List of top Botany Questions

Identify the wrong pair:
Variation in lengths of filaments of stamens within a flower is seen in:
Per one Calvin cycle, the number of CO\(_2\) molecules fixed, ATP utilized, and the number of Glucose, NADPH molecules produced respectively are:
In C\(_4\) plants, the Oxaloacetic acid is formed by this reaction:
Variation in lengths of filaments of stamens within a flower is seen in:
Assertion (A): Direct pollination is found in gymnosperms. Reason (R): Ovules of gymnosperms are naked.

Match the following:

Match the following:
Placentation Types
Assertion (A): Direct pollination is found in gymnosperms.
Reason (R): Ovules of gymnosperms are naked.
Match the following:
Pollination Type
Primary endosperm nucleus is formed by the fusion of
The ploidy of 'perisperm':
Intine of pollen grain is made up of:
The ratio of microspore mother cell to male gametes in a typical angiospermic plant:
The first reaction in photosynthesis is:
Identify the correct matching: \renewcommand{\arraystretch}{1.3} \begin{table}[h!] \centering \setlength{\tabcolsep}{15pt} \begin{tabular}{|c|l|c|l|} \hline Column I & Plant Name & Column II & Feature
\hline I & Nerium & = Verticillaster & = Sunken stomata
II & Vallisnaria & = Free floating hydrophyte & = Epihydrophily
III & Tribulus & = Emphemeral & = Xerophyte
IV & Rhizophora & = Halophyte& = Vivipary
\hline \end{tabular} \end{table}
Identify the correct sentences regarding the role of physiological responses of phytohormones:
I. Ethylene initiates sprouting of potato tubers
II. Gibberellins promote senescence
III. Auxins promote flowering in pineapple
IV, Abscisic acid inhibits seed germination
Assertion (A): In Rhodophyceae, food is stored as floridean starch. Reason (R): Floridean starch is similar to amylopectin and glycogen in structure.
Flask-shaped ascocarp with an apical opening is:

Match the following:

Match the following: 

In the following group of plants, sporophytes are dependent on gametophytes.

Cytochrome ‘C’ transfers the electrons between:
Based on the figure given below, which of the following statements are not correct? \includegraphics[width=0.4\linewidth]{2image.png}
The oriented locomotor movements of an organism towards or away from light is known as