Free PDF Download of CBSE Class 10 Science Chapter 6 Life Processes Assertion Reason Questions Class 10 Science. Assertion and Reason Questions for Class 10 Science with Answers were Prepared Based on the Latest Exam Pattern. Students can solve NCERT Class 10 Science Life Processes to know their preparation level.
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Life Processes Class 10 Assertion Reason Questions
The following questions consist of two statements – Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below:
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct
Assertion: in the daytime, CO2 generated during respiration is used up for photosynthesis.
Reason: There is no CO2 release during the day
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion: Lungs always contain a residual volume of air.
Reason: It provides sufficient time for oxygen to be absorbed and for carbon dioxide to be released.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion: Transpiration is a necessary evil.
Reason: It causes water loss but helps in absorption and upward movement of water and minerals
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion: Translocation of sugar occurs through the phloem.
Reason: It is achieved by the diffusion of sugars through phloem.
(c) If Assertion is correct but Reason is incorrect.
Assertion: Digestion breaks large complex molecules to simple smaller molecules which can be easily absorbed.
Reason: Digestion is necessary for the absorption of all molecules.
(c) If Assertion is correct but Reason is incorrect.
Assertion: Energy is used during the process of respiration.
Reason: Respiration stores energy in the form of ATP.
(d) If Assertion is incorrect but Reason is correct.
Assertion: During the physiology of excretion, deamination does not take place in the liver.
Reason: Deamination is a process to make use of an excess of amino acids which cannot be incorporated into protoplasm.
(d) If Assertion is incorrect but Reason is correct.
Assertion: The muscular walls of ventricles are thicker than auricles.
Reason: This helps in preventing the back flow of blood.
(c) If Assertion is correct but Reason is incorrect.
Assertion: In woody plants, gaseous exchange occurs through lenticels.
Reason: Lenticels are specialized cells found along with stomata on the stem of woody plants.
(c) If Assertion is correct but Reason is incorrect.
Assertion: Excretory unit of the kidney is the nephrons.
Reason: It has no role in the secretion of urine.
(c) If Assertion is correct but Reason is incorrect.
Assertion: Muscles of the stomach wall possess thick layers of muscles.
Reason: These muscles help in mixing the food with the enzymes present in the alimentary canal.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Respiration is an essential life process in organisms.
Reason (R): Respiration provides energy to cells by breaking down glucose and releasing ATP.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Photosynthesis is a process carried out by plants.
Reason (R): During photosynthesis, plants convert sunlight, carbon dioxide, and water into glucose and oxygen.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Excretion is the process of removal of metabolic waste from the body.
Reason (R): Metabolic waste, such as carbon dioxide, urea, and excess water, is eliminated from the body through excretion.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Nutrition is the process by which organisms obtain food for growth and development.
Reason (R): Organisms require nutrients, such as carbohydrates, proteins, and fats, for energy and building materials.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Transpiration is the loss of water vapor from the aerial parts of plants.
Reason (R): Transpiration helps in the upward movement of water and minerals from the roots to the leaves of plants.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Digestion is the process of breaking down complex food molecules into simpler forms.
Reason (R): Digestion involves the action of enzymes that break down carbohydrates, proteins, and fats into their respective building blocks.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): The function of the respiratory system is to exchange gases between the body and the environment.
Reason (R): The respiratory system brings oxygen into the body and removes carbon dioxide and other waste gases.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Transportation in plants is mainly achieved through the vascular tissues.
Reason (R): The xylem and phloem tissues in plants are responsible for the transport of water, minerals, and organic nutrients.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Reproduction is essential for the continuity of a species.
Reason (R): Reproduction involves the production of offspring, ensuring the survival and perpetuation of a species.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Assertion (A): Growth is a characteristic of living organisms.
Reason (R): Living organisms undergo an increase in size and complexity through the process of growth.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
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