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Test your knowledge with our comprehensive collection of multiple choice questions. Select your answer and get instant feedback with detailed explanations.
Segmented animals having haemocoel and compound eyes with four pairs of jointed walking legs are classified as
In amphibians the phenomenon which occurs only in water is
The zymogen cells in the mucosa of the stomach secrete
In which of the following processes is most of the carbon dioxide released as a result of catabolism?
Legumes, such as clover and alfalfa, have nodules on their roots that contain nitrogen-fixing bacteria. These bacteria convert nitrogen gas from the atmosphere into nitrates. Which of the following best accounts for the presence of nitrogen-fixing bacteria in legume root nodules?
The phenomenon through which root cells of a plant take in nitrate ions from the surrounding soil is
Which of the following vertebrates has haemoglobin dissolved in the plasma?
In which animal does the heart NOT receive oxygenated blood?
Which of the following is CORRECT about a ‘competitive inhibitor’?
Which of the following defines a polysome?