GATE Life Sciences
113 questions · 1 years · 11 subjects
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15 questions shown in Zoology. Filter for cleaner practice sessions.
A researcher sets up ten large outdoor tanks, each containing the same amount of algae and the same number of guppies (herbivorous fish). In five of these tanks, she also adds gour...
Immunoglobulins are classified into the following isotypes: IgG, IgM, IgA, IgD, IgE. What region of the immunoglobulin is used to determine this classification?
Correctly match the cell types in Column I to their primary function in Column II. Column I P) Melanocyte Q) Myocyte R) Granulosa S) B-cell Column II 1) Muscle contraction 2) Pigme...
Which one of the following groups includes at least one animal that is NOT an arthropod?
Females of many insect species mate with multiple different males. Which of the following is/are an adaptive explanation(s) for multiple mating in insects?
Which one or more of the following terms describe(s) Toxoplasma gondii?
Which of the following statements is/are NOT correct about the technique used in molecular biology?
Assume that in the oxidative branch of the pentose phosphate pathway, each glucose-6-phosphate molecule generates the following products: 2 molecules of NADPH, 1 molecule of CO2 an...
Muscle performance is positively correlated with Darwinian fitness. The graph below describes the relationship between mean environmental temperature and muscle performance for two...
In eukaryotic cells, a mutation reduces the enzymatic activity of pyruvate dehydrogenase by 90%, without affecting expression. Under aerobic conditions, which one of the following...
Researchers measure the activity of an enzyme in the presence of an inhibitor. They observe that • Vmax of the enzyme remains unchanged at saturating substrate concentration • Km i...
Below are the numbers of individuals of migratory green warblers and the frequencies of three genotypes at a single locus for this species. F refers to the allele for faster migrat...
In rivers that range in salinity (ppt) from low to high, researchers found that the aquatic snail species P (solid curve) and Q (dashed curve) were distributed according to the pat...
Which of the following statements is/are correct for the phylogenetic tree depicted below?
In her exploration of the Western Ghats, Dora finds four new species of fungi. Below is the DNA sequence alignment for a single locus from these new species that she calls Yeti, Un...