List of top Zoology Questions

Ciliated simple columnar epithelium located at: -
A. Lining of some bronchioles of the respiratory tract
B. Cover surface of ovary
C. Larger ducts of many glands
D. Ventricles of brain
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Which of the following cells instruct the abnormal or virally infected cells to commit suicide?
In the life cycle of a {Plasmodium, once the sporozoite enters the blood of the host, it invades the hepatic portal system, resulting in occurrence of change in the host body, leading to malaria
A. Sporozoite enters the hepatocytes and divides by schizogony leading to formation of cryptomerozoites
B. Inside RBCs, the micro-metacryptozoites become rounded and modify into a young trophozoites.
C. As the trophozoite grows in size, a central vacuole is developed so that the nucleus is pushed to one side into the peripheral cytoplasm, leading to amoeboid stage.
D. In Amoeboid stage the small red eosinophils granules appear in the cytoplasm of the host corpulses as Schuffner's granules}
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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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A multiple cloning site:
Southern blotting procedure does not include:
Which one of the following diseases can be corrected by gene therapy?
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|}{ACT} & \multicolumn{2}{c|}{Year of Enactment}
\hline A. & Environmental Pollution Act & I. & 1981
B. & The Air (Prevention and Control of pollution) Act & II. & 1986
C. & The Water (Prevention and Control of Pollution) Act & III. & 1972
D. & The Wildlife Protection and Conservation Act & IV. & 1974
\hline \end{tabularx}
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Cellulose is a homopolymer of:
Which of the following statements are true?
A. When two or more genes co-exist on the same chromosome, they may violate the principle of independent assortment during meiosis.
B. Positive interference occurs when the presence of one chiasma increases the possibility of another chiasma occurring in the immediate vicinity.
C. The proportion of crossovers never exceeds 50%.
D. The Chi-square test can be used for segregation ratios and detection of linkage.
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Which type of polymerase activity is shown by the enzyme telomerase?
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.
Choose the most appropriate answer from the options given below:
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}
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Which one of the following best describes the application of DNA microarray?
Which of the following statements is not applicable to the mode of a dataset?
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 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 one of the following zones is absent in pond ecosystems?
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
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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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Which one of the following best describes the innate immune response?
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 statements is applicable to satellite cells?
The increase in the beak depth of Galápagos finches with a relative abundance of large seeds, is an example of