Life processes are the fundamental activities that differentiate living organisms from non-living matter. These intricate, interconnected functions are essential for growth, development, maintenance, and ultimately, survival. Imagine a complex machine; life processes are the well-coordinated operations that keep it running smoothly.
Importance of Life Processes
Life Process Summaries
1. The kidneys in human beings are a part of the system for (a) nutrition. (c) excretion. (b) respiration. (d) transportation. Ans: (c) excretion. 2. The xylem in plants are responsible for (a) transport of water. (c) transport of amino acids. (b) transport of food. (d) transport of oxygen. Ans: (a) transport of water. 3. […]
(a) nutrition. (c) excretion. (b) respiration. (d) transportation. Ans: (c) excretion. 2. The xylem in plants are responsible for (a) transport of water. (c) transport of amino acids. (b) transport of food. (d) transport of oxygen. Ans: (a) transport of water. 3. The autotrophic mode of nutrition requires (a) carbon dioxide and water. (c) sunlight.
The kidneys in human beings are a part of the system for Read More »
Ans: Saliva plays a important role in the digestion of food by moistening and lubricating it, which aids in the formation of a food bolus for easier swallowing. Saliva contains the enzyme amylase, which begins the chemical breakdown of starches into simpler sugars. Additionally, saliva has antibacterial properties that help maintain oral hygiene. MCQs Based
What is the role of saliva in the digestion of food? Read More »
The necessary conditions for autotrophic nutrition include: The byproducts of autotrophic nutrition (photosynthesis) are: Reaction Involved: 6CO2 +6H2O+light energy→C6H12O6 +6O2 Breakdown Process: Chlorophyll: The green pigment in the chloroplasts that captures light energy and converts it into chemical energy. MCQs Based on the above question
What are the necessary conditions for autotrophic nutrition and what are its byproducts? Read More »
Ans: Aerobic Respiration: Anaerobic Respiration: Some organisms that use anaerobic respiration include yeast (for fermentation) and some bacteria. In humans, muscle cells can also undergo anaerobic respiration temporarily during intense exercise, leading to the production of lactic acid. MCQs Based on the above question
Alveoli are designed to maximize the exchange of gases through: MCQs Based on the above question
How are the alveoli designed to maximise the exchange of gases? Read More »
Ans: A deficiency of hemoglobin can lead to a condition called anemia. Consequences include: MCQs Based on the above question
What would be the consequences of a deficiency of haemoglobin in our bodies? Read More »
Ans: Double circulation in humans involves two separate circuits: the pulmonary circulation and the systemic circulation. Double circulation is necessary to ensure that oxygen-rich blood is efficiently delivered to body tissues while carbon dioxide is removed, optimizing the oxygenation process and maintaining efficient metabolic activity. MCQs Based on the above question
Describe double circulation of blood in human beings. Why is it necessary? Read More »
Ans: Xylem: Phloem: MCQs Based on the above question
What are the differences between the transport of materials in xylem and phloem? Read More »
Ans: Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning. MCQs Based on the above question
The amount of urine produced is regulated by: MCQs Based on the above question
Plants use several methods to get rid of excretory products: MCQs Based on the above question
What are the methods used by plants to get rid of excretory products? Read More »
