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Questions in biology

[Terjawab] Pepsin and gastrin are produced in the stomach. True or False?

[Terjawab] In the context of blood typing, what does Rh positive indicate? A) Absence of the Rh antigen B) Presence of anti-Rh antibodies C) Presence of the Rh antigen D) Absence of anti-A antibodies

[Terjawab] Which of the following is the first step of the scientific method? A. Formulate a hypothesis. B. Observe and ask a question. C. Conduct an experiment. D. Revise the hypothesis.

[Terjawab] Which colors of light are best for plant growth? A. Blue and Red B. Red and Orange C. Blue and Green D. Violet and Blue E. Red and Violet

[Terjawab] Which type of leukocyte is primarily responsible for fighting parasitic infections? A) Eosinophils B) Neutrophils C) Monocytes D) Basophils

[Terjawab] A single "turn" of the citric acid cycle involves three different decarboxylation reactions. True or False?

[Terjawab] According to the table below, how does carbon dioxide affect the rate of photosynthesis? | | Full $CO _2$ | Half $CO _2$ | | :-------------------- | :----------- | :----------- | | Number of bubbles (30 sec) | 30 | 16 | A. It increases the rate of photosynthesis. B. It decreases the rate of photosynthesis. C. The rate of photosynthesis stays the same. D. It triples the rate of photosynthesis.

[Terjawab] What is the systemic circulation? A. Circulation within the lungs B. Circulation within the heart muscle C. Circulation between the heart and the rest of the body D. Circulation between the heart and lymphatic system

[Terjawab] Identify which type of natural selection is described in each case below. Results in the evolution of the species: Results in new species: Favors traits at the two extremes: No increase in diversity: One extreme trait is favored: Diversity decreases: Diversity increases:

[Terjawab] According to the table below, how does temperature affect the rate of photosynthesis? | | $10^{\circ} C$ | $25^{\circ} C$ | $40^{\circ} C$ | |---|-----------------|-----------------|-----------------| | Number of bubbles produced in 30 sec | 6 | 19 | 14 | A. Temperature increases the rate of photosynthesis. B. Temperature decreases the rate of photosynthesis. C. The rate of photosynthesis stays the same. D. Temperature triples the rate of photosynthesis.