Arthropod Classification
Segmented animals having haemocoel and compound eyes with four pairs of jointed walking legs are classified as
MCQs
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Amphibian Fertilization
In amphibians the phenomenon which occurs only in water is
Zymogen Cells
The zymogen cells in the mucosa of the stomach secrete
CO2 Release in Catabolism
In which of the following processes is most of the carbon dioxide released as a result of catabolism?
Legume Symbiosis
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?
Root Nitrate Uptake
The phenomenon through which root cells of a plant take in nitrate ions from the surrounding soil is
Dissolved Hemoglobin
Which of the following vertebrates has haemoglobin dissolved in the plasma?
Heart and Oxygenated Blood
In which animal does the heart NOT receive oxygenated blood?
Competitive Inhibitor
Which of the following is CORRECT about a ‘competitive inhibitor’?
Polysome Definition
Which of the following defines a polysome?