Attributes of the Living

Q.

Indicate whether the following statements are true or false:
Glucose is actively reabsorbed in the proximal convoluted tubule.

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Q. Which of the following are the characteristics of living organisms?

Q. Which of the following are the characteristics of living organisms?

1. Growth
2. Survival
3. Reproduction
4. Homeostasis

Q. Which of the following statements constitute survival mechanisms in different organisms?

1. Some bacteria alter their composition and enter a state of hibernation.
2. Yeasts form spores which are highly sensitive to external conditions.
3. Adrenaline is secreted by the adrenal gland in human beings.
4. The digestive and endocrine systems of human beings do not have a role to play in survival mechanisms.

Q. Choose the correct option(s) in the context of nutrient exchange and waste elimination in multicellular organisms.

1. Exchange of life-supporting nutrients and waste elimination takes place with the external environment directly.
2. Exchange of life-supporting nutrients and waste elimination takes place with the external environment through the extracellular fluid.
3. The extracellular fluid exists outside of the muscle cells and serves as the medium for vital exchanges with the external environment.
4. The plasma is the component of the extracellular fluid that surrounds muscle cells.