15,983 previous year Himachal Pradesh Board (HPBOSE) - Class 12 (Plus Two) questions, grouped by year, with answers and solutions.
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): Electric current in a conductor is treated as a scalar physical quantity.
Reason (R): Although electric current has both magnitude and direction, it does not obey the laws of vector addition.
Refer to the Case Study 'Case Study: Parabolic Cable Geometry in Civil Engineering Suspension Bridges' to answer:
Determine the parameter $c$ in the parabolic equation $y = ax^2 + c$ from the vertex information.
Sentence Construction: Choose the grammatically sound sentence containing 'यात्रियों के नजरिए (अल-बिरूनी, इब्न बतूता, बर्नियर के विवरण)'.
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): Gastric enzyme pepsin requires an acidic environment to digest dietary proteins.
Reason (R): Hydrochloric acid secreted by parietal cells creates optimum pH (1.5 to 2.0) and cleaves inactive pepsinogen into active pepsin.
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): Plant stomata close rapidly under severe soil moisture deficit and drought stress.
Reason (R): Abscisic acid (ABA) synthesized during drought induces potassium and anion efflux from guard cells, causing loss of turgor pressure.
पर्यावरण संरक्षण: 'किरण प्रकाशिकी एवं प्रकाशिक यंत्र (अपवर्तन, पूर्ण आंतरिक परावर्तन, लेंस निर्माता सूत्र, सूक्ष्मदर्शी, दूरदर्शी)' प्रदूषण को नियंत्रित करने का सबसे प्रभावी तरीका क्या है?
Opposites and Plurals: What is the correct plural or antonym of 'विद्रोही और राज (1857 का आंदोलन और हिमाचल के वीर सेनानी)'?
Refer to the Case Study 'Case Study: Hazardous Enterprise and Supreme Court Doctrine of Absolute Liability' to answer:
What measure of financial compensation did the Supreme Court establish in the M.C. Mehta Oleum Gas case?
Refer to the Case Study 'Case Study: Hazardous Enterprise and Supreme Court Doctrine of Absolute Liability' to answer:
Which statutory enactment was passed by the Indian Parliament following the Bhopal gas disaster and oleum gas leak?
आपदा प्रबंधन: 'वंशागति के आणविक आधार (DNA की संरचना, प्रतिकृतियन, अनुलेखन, आनुवंशिक कूट, अनुवादन, लैक ओपेरॉन)' पर्वतीय क्षेत्रों में हिमस्खलन अथवा भूस्खलन से सुरक्षा का सर्वोत्तम उपाय क्या है?
जल संरक्षण व बावड़ियां: 'विकास (जीवन की उत्पत्ति, डार्विन का विकासवाद, हार्डी-वीनबर्ग साम्यावस्था)' हिमाचल के किस पारंपरिक जल स्रोत (बावड़ी, चश्मा, कुल) से संबंधित है?
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): Heavy water ($D_2O$) is utilized as a moderator in thermal nuclear power reactors.
Reason (R): Deuterium nuclei slow down energetic fission neutrons through elastic collisions without substantial parasitic neutron absorption.
Sign up free to unlock every previous year question paper with detailed solutions, practice in timed exam mode, and evaluate your rank.
Sign up free to unlock every previous year question and generate papers from them.