List of top Botany Questions

Assertion (A): Female human beings produce a high pitch voice.
Reason (R): The vocal cords in females are long and thick.
This rule states that with the increase of every 10° C, the rate of metabolic activities double:
In cockroach, egg case is secreted by these glands:
These cells of cockroach contain symbiotic bacteria:
Parasite responsible for hyperplasia in its host is:
Eggs of reptiles are
Molluscs having closed circulatory system are included in the class
Use of microbes to remove the toxic (waste) substances that are released into the environment is:
Pseudocoelom is the body cavity of:
Species is considered as a group of individuals which are showing similarity in karyote. Hence, species is a
Identify the correct statements among the following: A. Probes are generally ss RNA or ss DNA
B. Probes are complementary to desired DNA
C. The efficiency of uptaking DNA fragments by bacteria decreases when they are treated with Ca\(^{2+}\) ions
D. Cloning vectors should have low molecular weight
If a heterozygous tall plant is crossed with a homozygous dwarf plant, the percentage of progeny having dwarf character is:
UUU, CCC, AAA, GGG are the codons codes for the following amino acids respectively:
The haploid content of human DNA contains:
The percentage of 'ab' genotype gametes produced by ‘AaBb’ parent plant is:
Find out the correct statements among the following: A. DNA is (-Ve) charged, Histone proteins are (+Ve) charged.
B. DNA is (+Ve) charged, Histone proteins are (-Ve) charged.
C. Euchromatin is transcriptionally active.
D. Euchromatin and heterochromatin both are transcriptionally inactive.
The type of nucleic acid found in a virus:
Find out the correct statements among the following: A. In C4 plants photosrespiration is absent.
B. In the photorespiration pathway, there is no synthesis of ATP and NADPH.
C. C4 plants are photosynthetically more efficient plants.
D. Kranz anatomy is found in C4 and CAM plants.
Cytochrome ‘C’ transfers the electrons between:
During the process of aerobic respiration, O\(_2\) utilisation occurs in the following stage only:
In Phloem, the food material is mostly translocated in the following form:
The final acceptor of e\(^{-}\) (electrons) during non-cyclic photophosphorylation is:
The following is not a microelement:
Among the following the most important pollinator for agricultural purposes is:
The first reaction in photosynthesis is: