List of top Zoology Questions

When the blood glucose level of a healthy person is 100 mg/dL, which one of the following options is most likely to represent the level of glucose in the urine of that person?
Which one of the following statements is NOT TRUE of glycosaminoglycans?
The human genetic code is triplet in nature with 64 codons made using four nucleotides. If the human genetic code was doublet in nature, the number of codons theoretically possible from four nucleotides is ____. (Answer in integer)
In certain species of salamanders, male-female pairs have multiple mating partners in a breeding season. Which one of the following terminologies accurately describes this mating system?
Codon bias is correlated with the relative frequencies of which one of the following types of RNA?
Which one of the following tissues/organs is least likely to experience graft rejection when transplanted from a person to an unrelated person?
Which one of the following statements about gene expression is INCORRECT?
Which one of the options correctly matches the human tissues/organs with their embryonic germ layers of origin?
begin{tabular}{|c|c|} hline Tissues/organs & Embryonic germ layers
hline (P) liver & (I) ectoderm
(Q) cerebellum & (II) endoderm
(R) femur & (III) mesoderm
hline end{tabular}
Consider a large population of a finch species, where both small and big beak sizes are advantageous, and an intermediate beak size is maladaptive. Over a period of 10 years, which one of the following evolutionary processes is most likely to operate on the beak size of this finch population?
CREB1 is a eukaryotic transcription factor. In which one of the following compartments of the cell is CREB1 predominantly localized?
Urease enzyme catalyzes the conversion of urea into ammonia and carbon dioxide. Which one of the following organisms expresses urease enzyme?
Which one of the following statements describes the key function of human sweat glands?
In Michaelis-Menten's equation, if \([S] = 15 K_m\), then the ratio \( v_0/V_{max} \) is ____ (Round off to three decimal places).
At t = 0, the bacterial cell number is 10,000 cells/mL. At t = 480 minutes, the cell number increased to 320,000 cells/mL. The mean generation time during this exponential growth period, rounded off to the nearest integer is___ minutes.
Consider a healthy person with the following lung volumes: Residual volume = 900 mL Expiratory reserve volume = 800 mL Tidal volume = 200 mL If the Total lung capacity is 5500 mL, then the Inspiratory reserve volume of the person is____ mL. (Answer in integer)
The embryos of which one or more of the following animals show meroblastic cleavage?
Which one or more of the following parasites is/are typically transmitted by mosquitoes as vector?
Consider a species of brightly colored beetle. Which one or more of the following observations suggest(s) that this species is aposematic?
Consider a large population of a finch species, where both small and big beak sizes are advantageous, and an intermediate beak size is maladaptive. Over a period of 10 years, which one of the following evolutionary processes is most likely to operate on the beak size of this finch population?
Which one of the following statements describes the key function of human sweat glands?
In certain species of salamanders, male-female pairs have multiple mating partners in a breeding season. Which one of the following terminologies accurately describes this mating system?
CREB1 is a eukaryotic transcription factor. In which one of the following compartments of the cell is CREB1 predominantly localized?
Which of the following event(s) occur(s) during translation in prokaryotes?
Match the inhibitors in Group 1 with their respective targets in Group 2.
Group 1 Group 2
(P) VirG(i) Kinase
(Q) VirA(ii) Helicase
(R) VirE(iii) Transcriptional activator
(S) VirC(iv) Single strand binding protein
Match the plant products in Group 1 with the plant species in Group 2 that produce them and the respective plant parts in Group 3 where they accumulate the most.
Group 1Group 2
(P) Protocooperation(i) One species is harmed but the other is neither harmed nor benefitted
(Q) Commensalism (ii) A type of mutualism where one species is  benefitted more than the other
(R) Amensalism (iii)Both the species are benefitted but the interaction between them is not obligatory
(S) Helotism (iv) One species is benefitted without harming the other