List of top Botany Questions

Identify the universal rules of nomenclature among the following
A) Biological names are in Latin and written in italics.
B) The first word to start with small letter for genus.
C) The specific epithet to start with small letter.
D) Each organism name will have two components.

Loss of chlorophyll leading to yellowing in leaves is called:

Choose the incorrect statements:

I. Electrons from NADH produced in the mitochondrial matrix are oxidized by complex II
II. Ubiquinones oxidised to ubiquinol by receiving reducing equivalents from complex I
III. Ubiquinol oxidized to ubiquinone by transfer of electrons to complex III

Assertion (A): Genetic maps are extensively used as a starting point in the Human genome sequencing project.
Reason (R): Frequency of recombination between gene pairs on the same chromosome as the measure of distance between genes and mapped their position is called gene mapping.

In which crosses both phenotypic and genotypic F$_2$ ratios are 1:2:1?

I) Red $\times$ White snapdragon (incomplete dominance)
II) Tall $\times$ Dwarf garden pea
III) Dotted $\times$ Spotted seed coat lentil
IV) Homozygous $\times$ Heterozygous

Three plants, Mustard, Calotropis, and Guava, are collected. There are 30 nodes in Mustard, 30 nodes in Calotropis, 25 nodes in Guava are present. Find the number of leaves put together in all three plants?

Match the following

Match the following

Choose the correct statements: ABA plays an important role in stratification Decapitation results in growth of lateral buds Kinetin naturally occurs in plants Vernalization promotes flowering by high temperature

Match the following:

List - I	List - II
A. Nucleic acids structure	IV. Phosphorous
B. Synthesis of nucleic acid	III. Iron
C. Stabilize protein structure	II. Sulphur
D. Catalase	II. Sulphur

Choose the correct statements among the following
I. Diplo haplontic life cycle can be seen in Bryophyte.
II. In Volvox, meiosis in zygote results in haploid spore.
III. Cycas has siphonogamous oogamy.
IV. Mycorrhizal association can be seen in Cycas roots.

Match the following:

List - I	List - II
A. Velamen Roots	II. Eichhornia
B. Axillary buds as tendrils	I. Watermelon
C. Floral buds as storage food	IV. Agave
D. Swollen petiole	III. Pisum

Identify the correct option from the following:

Choose the correct statement among the following
I. Wheat $\rightarrow$ Pusa komal $\rightarrow$ hill bunt
II. Cauliflower $\rightarrow$ Pusa Shubra $\rightarrow$ Black rot
III. Chilli $\rightarrow$ Pusa Sadabahar $\rightarrow$ TMV
IV. Brassica $\rightarrow$ Pusa Swarmin $\rightarrow$ Bacterial blight

Assertion (A): TCA cycle requires continuous replenishment of oxaloacetic acid.
Reason (R): TCA cycle requires regeneration of NAD\textsuperscript{+} and FAD\textsuperscript{+} from NADH and FADH.

Match the following

Choose the correct statements among the following
I. Streptokinase is produced by Streptococcus.
II. Saccharomyces cerevisiae is used for commercial production of Ethanol.
III. Cyclosporin-A — blood cholesterol lowering agent produced by Trichoderma polysporum.
IV. Statin produced by yeast.