List of top Botany Questions

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.

Loss of chlorophyll leading to yellowing in leaves is called:

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: 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. 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 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

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.

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.

Which of the following is not a biosafety concern for GM crops?

Match the following

Choose the correct statements among the following
I. The longest cells are nerve cells.
II. Smaller DNA in the bacteria called genetic material.
III. Bacterial flagellum has filament, hook and basal body.
IV. In Bacteria, flagella are used to attach to the rock.

Among the following fungi, which are placed under class Deuteromycetes?
(Alternaria, Aspergillus, Mucor, Claviceps, Penicillium, Trichoderma, Colletotrichum, Ustilago, Polyporus, Puccinia, Agaricus, Neurospora, Albugo, and Rhizopus)