I'm here to help with the questions you've provided. Let's break it down one by one:
(i) Which of the nutrients is soluble?
- The correct answer is: d. Vitamin
Explanation: Vitamins are organic compounds that are essential for various bodily functions, and they can be water-soluble (like Vitamin C and B vitamins) or fat-soluble (like Vitamins A, D, E, and K). In this case, the question is referring to a soluble nutrient, and among the options given, vitamins are the soluble nutrients.
(ii) How many segments of the left lung are there?
- The correct answer is: a. three sections
Explanation: The left lung is divided into two lobes – the superior lobe and the inferior lobe. The superior lobe further divides into two segments, making a total of three segments in the left lung.
(iii) In which organ is the purification of blood done?
- The correct answer is: d. Liver
Explanation: The liver plays a crucial role in blood purification by filtering out toxins, metabolizing nutrients, and producing important proteins that aid in various bodily functions.
(iv) Deficiency of which blood cell causes anemia?
- The correct answer is: d. Red blood cells
Explanation: Anemia is a condition characterized by a deficiency of red blood cells or hemoglobin, which impairs the blood's ability to carry oxygen to the body's tissues.
(v) What is the smallest unit of the kidney called?
- The correct answer is: a. Nephron
Explanation: The nephron is the functional unit of the kidney responsible for filtering the blood, reabsorbing essential substances, and producing urine.
I hope this helps clarify the answers to the questions provided! Let me know if you have any more questions.
