List of top Zoology Questions

At low substrate concentration, the initial velocity of reaction is described as \_\_\_\_\_\_\_\_\_\_. However, as substrate concentration increases, the reaction saturates and reaches a \_\_\_\_\_\_\_\_\_\_.
Match LIST-I with LIST-II
\begin{tabularx}{0.8\textwidth}{|l|X|l|X|} \hline \multicolumn{2}{|c|}{LIST-I} & \multicolumn{2}{c|}{LIST-II}
\multicolumn{2}{|c|}{Period} & \multicolumn{2}{c|}{Genra of horse}
\hline A. & Pleistocene & I. & Eohippus
B. & Eocene & II. & Mesohippus
C. & Miocene & III. & Equus
D. & Oligocene & IV. & Merychippus
\hline \end{tabularx}
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Which of the following phenomena can lead to microevolution?
A. Natural Selection
B. Sexual Selection
C. Genetic Drift
Choose the most appropriate answer from the options given below:
Which of the following statements are correct about the phenomenon of genetic drift?
A. It occurs in a small population.
B. It leads to the loss of genetic variation within population.
C. It doesn't change the allele frequency randomly.
D. It occurs in a large population.
Choose the most appropriate answer from the options given below:
The increase in the beak depth of Galápagos finches with a relative abundance of large seeds, is an example of
Which one of the following immunoglobulin is responsible for atopic allergy?
Which of the following cells instruct the abnormal or virally infected cells to commit suicide?
Monoclonal antibodies differ from polyclonal antibodies in their property of reacting with specific
Which one of the following best describes the innate immune response?
Class I MHC molecules present peptides to which of the following cell type?
Which of the following diseases is not an autoimmune disease?
Match LIST-I with LIST-II
\begin{tabularx}{0.8\textwidth}{|l|X|l|X|} \hline \multicolumn{2}{|c|}{LIST-I} & \multicolumn{2}{c|}{LIST-II}
\multicolumn{2}{|c|}{Name of the amino acid} & \multicolumn{2}{c|}{One letter abbreviation/name}
\hline A. & Methionine & I. & D
B. & Aspartic acid & II. & K
C. & Lysine & III. & E
D. & Glutamine & IV. & M
\hline \end{tabularx}
Choose the correct answer from the options given below:
Which one of the following correctly describes the role of signal recognition particles?
Arrange the following cell cycle stages in the correct order of their occurrence:
A. S phase
B. M phase
C. G1 phase
D. G2 phase
The approximate diameter of actin filaments is:
The technique to mark, release and recapture is a practical method for
Any species that have been accidentally or deliberately transferred from their usual habitat to a new habitat whose abiotic conditions are also suitable for them are known as:
The populations, showing relatively constant density around the carrying capacity of the environment, is called
Which one of the following statements is correct for Mollisol?
Which one of the following zones is absent in pond ecosystems?
Match LIST-I with LIST-II
\begin{tabularx}{0.9\textwidth}{|l|X|l|X|} \hline \multicolumn{2}{|c|}{LIST-I} & \multicolumn{2}{c|}{LIST-II}
\multicolumn{2}{|c|}{Interaction Type} & \multicolumn{2}{c|}{Example}
\hline A. & Mutualism & I. & Chlorella vulgaris and Diatoms
B. & Commensalism & II. & Termites and Trichonympha
C. & Proto-cooperation & III. & Intestine of Man and Entamoeba coli
D. & Antibiosis & IV. & Adamsia pallia and hermit crab
\hline \end{tabularx}
Choose the most appropriate answer from the options given below:
Match LIST-I with LIST-II
\begin{tabularx}{0.8\textwidth}{|l|X|l|X|} \hline \multicolumn{2}{|c|}{LIST-I} & \multicolumn{2}{c|}{LIST-II}
\multicolumn{2}{|c|}{Mitochondrial Compartments} & \multicolumn{2}{c|}{Enzymes present}
\hline A. & Matrix & I. & ATP synthetase
B. & Inner membrane & II. & Monoamine oxidase
C. & Space between inner and outer membranes & III. & Citrate synthetase
D. & Outer membrane & IV. & Adenylate kinase
\hline \end{tabularx}
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Arrange the following stages of ecological succession in the correct sequence
A. Ecesis
B. Nudation
C. Aggregation
D. Reaction
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Which of the following factors can influence the process of weathering?
A. Rock type and structure
B. Slope
C. Climatic Conditions
D. Time
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Which of the following statements are correct with reference to Photochemical Smog?
A. It is an oxidizing smog.
B. It is formed by the reaction between NO\(_2\) and hydrocarbons.
C. It is a reducing smog.
D. It is formed in the presence of UV-radiation.
Choose the most appropriate answer from the options given below: