List of top Zoology Questions

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}
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The Air Quality Index is measured using the Criteria Pollutants. Which one of the following is not a Criteria Pollutant?

Cellulose is a homopolymer of:

Which of the following is the most stable DNA configuration under normal physiological conditions?

The number of fish caught each day by a fisherman for 10 consecutive days was reported to be 62, 58, 56, 57, 62, 59, 62, 57, 64, 63. What is the standard deviation of this dataset?

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.
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What is the correct sequence of steps in the genetic engineering of {E.coli for insulin production?
A. Obtaining a copy of the human insulin gene by isolating mRNA
B. Switching on gene action.
C. Identifying transformed bacteria prior to cloning
D. Inserting the DNA into a plasmid vector and inserting the plasmid vector into the host bacterium}
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What are chemokines?

In a population under Hardy Weinberg Equilibrium, out of a total of 592 people, 44 people were affected by a rare autosomal recessive disorder whereas the rest of the population was normal. How many individuals in this population have the heterozygous and homozygous dominant genotypes for this trait?

Southern blotting procedure does not include:

What is the correct sequence of four steps of the contraction cycle in muscles?
A. Power stroke
B. Attachment of myosin to actin
C. ATP hydrolysis
D. Detachment of myosin from actin
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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:

Which one of the following best describes the innate immune response?

Arrange the given events to correct sequence in relation to translation:
A. Adenylation of amino acid and aminoacyl-tRNA charging.
B. Formation of Peptide bond.
C. Recruitment of ribosome to the mRNA.
D. Correct positioning of charged tRNA into the P-site of the ribosome.
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Which one of the following zones is absent in pond ecosystems?

What is the sequence of the template DNA for an mRNA with the sequence?
5'-CAUUGGCCAAGG-3'

The populations, showing relatively constant density around the carrying capacity of the environment, is called

A multiple cloning site:

How is the mean deviation calculated for a given dataset?

The WBC count of a group of athletes in a team was estimated to be 7900, 9000, 7800, 8300, 2900, 4545, 5100, 3700, 9900 and 4545 per mm3 of blood. Calculate the median WBC count of this group of individuals.

The trigeminal nerve is the largest nerve with following branches:
A. Olfactory
B. Ophthalmic
C. Maxillary
D. Mandibular
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Which one of the following best describes the application of DNA microarray?

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|}{Replication Enzymes in E coli} & \multicolumn{2}{c|}{Replication Enzymes in Human}
\hline A. & \(\beta\)-clamp & I. & RPA
B. & SSB & II. & PCNA
C. & Gyrase & III. & DNA polymerase alpha
D. & DnaG & IV. & Topo-I, II
\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|}{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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The technique to mark, release and recapture is a practical method for