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One word answer on Life process Class 10 Biology Chapter 1
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Fill in the blanks type question answers on Life process class 10
What are life processes?
Answer: Life processes are the maintenance functions of living organisms that continue even when they are not actively engaged in specific activities.
What is the process called when energy and materials are transferred from outside the body of an organism to the inside?
Answer: Nutrition.
What is the primary energy source used by autotrophic organisms like green plants?
Answer: sunlight.
What is the chemical process by which autotrophs convert carbon dioxide and water into carbohydrates in the presence of sunlight and chlorophyll?
Answer: Photosynthesis.
Which cell organelle contains chlorophyll and is essential for photosynthesis in plants?
Answer: Chloroplast.
What are the tiny pores present on the surface of leaves that allow for gas exchange during photosynthesis?
Answer: Stomata.
What is the name of the enzyme present in saliva that breaks down starch into sugar during digestion?
Answer: Salivary amylase.
What is the long tube extending from the mouth to the anus called?
Answer: Alimentary canal.
What is the process by which villi absorb nutrients from the digested food in the small intestine?
Answer: Absorption.
What is the term for the removal of waste material from the body?
Answer: Excretion.
What is the process by which organisms break down food outside their bodies before absorbing it?
Answer: External digestion.
What is the term for the process of breaking down complex substances into simpler ones inside the cell?
Answer: Intracellular digestion.
In humans, which enzyme in the stomach is responsible for breaking down proteins?
Answer: Pepsin.
life processes class 10 One word answers
Which organ in the human digestive system secretes bile juice?
Answer: liver.
What is the name of the enzyme secreted by the pancreas that breaks down fats into fatty acids and glycerol?
Answer: lipase.
What structures increase the surface area for absorption in the small intestine?
Answer: villi.
What is the primary function of villi in the small intestine?
Answer: absorption of nutrients.
What is the name of the rhythmic contractions that push food along the digestive tract?
Answer: Peristalsis.
What is the name of the sphincter muscle that regulates the release of food from the stomach into the small intestine?
Answer: pyloric sphincter.
What is the function of mucus in the stomach?
Answer: Protects the inner lining of stomach from the action of acid.
What element, essential for protein synthesis, is taken up by plants in the form of inorganic nitrates or nitrites?
Answer: Nitrogen.
Which process involves the absorption of oxygen and release of carbon dioxide in living organisms?
Answer: Respiration.
What is the primary energy storage molecule in plants?
Answer: Starch.
What is the waste material removed from the body through the anus after absorption of water in the large intestine?
Answer: feces.
What is the name of the cell organelle that is responsible for cellular respiration in eukaryotic cells?
Answer: Mitochondrion.
In which part of the human body does the process of photosynthesis occur?
Answer: Photosynthesis does not occur in humans; it occurs in plants.
What is the term for organisms that produce their own food using light or chemical energy?
Answer: Autotrophs.
What is the term for organisms that obtain energy by consuming other organisms?
Answer: Heterotrophs.
What is the name of the enzyme in saliva that begins the breakdown of starches?
Answer: Salivary amylase.
What is the name of the structure in leaves through which gases are exchanged during photosynthesis?
Answer: Stomata.
Which part of the digestive system is responsible for the final absorption of nutrients into the bloodstream?
Answer: small intestine.
What is the name of the enzyme in gastric juice that begins the digestion of proteins in the stomach?
Answer: pepsin.
What is the name of the long tube that connects the mouth to the stomach?
Answer: Esophagus.
What is the name of the process where waste materials are eliminated from the body?
Answer: Excretion.
What is the name of the enzyme that breaks down fats in the small intestine?
Answer: lipase.
One word answer Class 10 Biology Chapter 1Life process
Which organ produces bile, which helps in the digestion of fats?
Answer: Bile.
What is the name of the sac-like organ where bile is stored before it is released into the small intestine?
Answer: gallbladder.
Which part of the human digestive system is responsible for absorbing water and forming feces?
Answer: large intestine
What is the term for the muscular contractions that move food through the digestive tract?
Answer: peristalsis.
What is the name of the enzyme in saliva that breaks down carbohydrates into simpler sugars?
Answer: Salivary amylase.