Andhra & Telangana Board - Class 10 (SSC) previous year questions (PYQ)

[SAT] Which gas is primarily responsible for the greenhouse effect and global warming?

[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?

అర్థాలు: 'సమాసాలు (తత్పురుష, కర్మధారయ, బహువ్రీహి, ద్వంద్వ, ద్విగు)' పదానికి సరైన నిఘంటువు ఆధారిత అర్థం ఏమిటి?

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

Assertion (A): The electrical conductivity of an intrinsic semiconductor increases with rise in temperature.

Reason (R): With increase in temperature, covalent bonds rupture, generating additional free conduction electrons and mobile holes.

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

What is the crucial legal distinction between the English rule of 'Strict Liability' and Indian 'Absolute Liability'?

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

Assertion (A): The square root of 2 ($\sqrt{2}$) is an irrational real number.

Reason (R): The square root of any positive prime integer is an irrational number.

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

Assertion (A): The square root of 2 ($\sqrt{2}$) is an irrational real number.

Reason (R): The square root of any positive prime integer is an irrational number.

మొక్కలు మరియు జంతువులు: 'Human Eye and Colourful World (Myopia, Hypermetropia, Dispersion, Scattering of Light)' ఏ ఆవాసానికి లేదా లక్షణానికి ఉదాహరణ?

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

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.

ఆంధ్రప్రదేశ్ & తెలంగాణ నదులు మరియు చారిత్రక ప్రదేశాలు: 'Our Environment - Our Concern (Ecosystem, Food Chains, Bio-accumulation)' దేనికి ప్రసిద్ధి?

జ్యామితి మరియు కొలతలు: 'Probability (Theoretical Probability, Events, Playing Cards)' రూపం యొక్క చుట్టుకొలత లేదా వైశాల్యం ఎంత?

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

Assertion (A): A convex mirror is commonly used as a driver's rear-view mirror in automobiles.

Reason (R): A convex mirror always forms an erect, virtual, and diminished image, providing a much wider field of view.

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°).