UP Board - Class 10 (High School) previous year questions (PYQ)

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

[SAT] Which organelle is universally known as the 'Powerhouse of the Cell' because it synthesizes ATP?

'लोकतंत्र और विविधता' के अंतर्गत उत्तर प्रदेश में कौन-सी अच्छी आदत सिखाई जाती है?

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

Assertion (A): Electric fuses in domestic circuits are always connected in series with the live wire.

Reason (R): Connecting the fuse in the live wire ensures that if excessive current flows, the fuse wire melts and disconnects the entire appliance from high voltage.

[SAT] Which organelle is universally known as the 'Powerhouse of the Cell' because it synthesizes ATP?

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.

[MAT] Find the odd one out from the given options:

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.

'पानी में चंदा और चांद पर आदमी (जयप्रकाश भारती)' के अंतर्गत विलोम या पर्यायवाची शब्द का सही युग्म कौन-सा है?

पारिस्थितिक संतुलन बनाए रखने में 'प्रकाश: परावर्तन एवं अपवर्तन (गोलीय दर्पण, दर्पण सूत्र, आवर्धन, स्नेल का नियम, लेंस सूत्र, लेंस की क्षमता)' का क्या योगदान है?

[SAT] Which layer of the atmosphere contains the ozone layer that absorbs harmful solar ultraviolet (UV) radiation?

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.

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

Assertion (A): Black soil (Regur soil) is ideal for cotton cultivation in the Deccan plateau.

Reason (R): Black soil is clayey in nature, rich in calcium carbonate, magnesium, potash, and lime, and has exceptional moisture retentiveness.

[MAT] A clock shows 8:30. What is the angle between the hour hand and the minute hand?

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.

What precise amino acid substitution occurs in human hemoglobin causing Sickle-Cell Anemia?

What is the expected genotypic ratio among $F_2$ progeny in a standard Mendelian monohybrid cross?