List of top Botany Questions

The ratio of the number of electrons to be excited from PS II during non-cyclic photophosphorylation and PS I during cyclic phosphorylation respectively to form 120 ATPs

In Morgan's linkage experiments on Drosophila recombinants percentage for white eye and yellow body is:

Identify A, B, and C in the given Hatch and Slack pathway diagram:

Identify enzyme "X" in the reaction \( {CO}_2 + {H}_2{O} \xrightarrow{{X}} {H}_2{CO}_3 \):

Chromosomes with equal arms:

Study and match the following lists:

Essential elements like Nitrogen, Phosphorus, Potassium are supplied to plants growing in soil through:

Correct equation of water potential of a cell:

Match the following:

Match the following list:

Assertion (A): Biological control developed for treatment of plant diseases.
Reason (R): Trichoderma are free living fungi common in root ecosystem.

Assertion (A): PCR is used to detect HIV.
Reason (R): It is based on the principle of antigen-antibody interaction.

Assertion (A): Rhodospirillum is not a photoheterotroph bacteria.
Reason (R): Photoheterotrophs obtain energy from light but carbon from organic sources.

Assertion (A): DNA fragments are positively charged.
Reason (R): DNA fragments are separated by gel electrophoresis technique.

Assertion (A): Phloem fibres (bast fibres) are made up of sclerenchymatous cells.
Reason (R): Phloem fibres are generally absent in primary phloem but found in secondary phloem.

Assertion (A): Bacillo viruses attack insects and arthropods
Reason (R): They have no negative impact on non-target insects

Identify the wrong matching

Choose the correct pair related to Bioactive compounds.