Odisha Board - Class 10 (HSC Matric) previous year questions (PYQ)

[SAT] What is the commercial unit of electrical energy consumed in Indian households?

[MAT] If '+' means '$\times$', '-' means '$\div$', '$\times$' means '-', and '$\div$' means '+', what is the value of: $20 + 5 - 10 \div 4 \times 2$?

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): Under the Constitution of India, the judiciary enjoys structural independence from executive and legislative interference.

Reason (R): Judges of the Supreme Court and High Courts have security of tenure and their judicial salaries are charged directly to the Consolidated Fund of India.

ସ୍ୱାସ୍ଥ୍ୟ, ପୋଷଣ ଓ ରୋଗ: 'ପରିବହନ ଓ ସଞ୍ଚାଳନ (Transportation in Plants & Animals)' ର ଅଭାବରେ ମାନବ ଶରୀରରେ କେଉଁ ରୋଗ ହୋଇପାରେ?

Refer to the Case Study 'Case Study: Hazardous Enterprise and Supreme Court Doctrine of Absolute Liability' to answer:

Which Fundamental Right under Part III of the Constitution was invoked as the constitutional foundation for environmental protection?

[MAT] Pointing to a photograph, a woman said, 'He is the only son of the father of my brother.' How is the man in the photograph related to the woman?

ଗଛଲତା ଓ ଜୀବଜଗତ: 'ରେଚନ (Excretion: ବୃକକ୍ ଓ ନେଫ୍ରନ୍)' ଉଦ୍ଭିଦର କେଉଁ ଅଂଶର ବିଶେଷତ୍ୱ ଅଟେ?

ଗଣିତ କଳିକା (ଓଡ଼ିଶା ପ୍ରାଥମିକ): 'ଦ୍ୱିଘାତ ସମୀକରଣ (Quadratic Equations)' ର ମୌଳିକ ସଂକଳ୍ପନା କ’ଣ ଦର୍ଶାଏ?

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): Diamond sparkles brilliantly with internal radiance.

Reason (R): Total internal reflection of light occurs inside diamond because its critical angle is exceptionally small (approximately 24.4°).

[SAT] Who was the Chairman of the Drafting Committee of the Indian Constituent Assembly?