Jharkhand Board (JAC) - Class 11 (Intermediate) previous year questions (PYQ)

What is the primary agronomic benefit of Drip Irrigation compared to traditional surface flood irrigation?

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'?

Reading Comprehension: Based on 'महासागरों और महाद्वीपों का वितरण', which statement is true?

Reading Comprehension: Based on 'दोलन तथा तरंगें', which statement is true?

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

Assertion (A): If two linear equations represent coincident lines, the system has infinitely many solutions.

Reason (R): Two lines $a_1x + b_1y + c_1 = 0$ and $a_2x + b_2y + c_2 = 0$ coincide when $\frac{a_1}{a_2} = \frac{b_1}{b_2} = \frac{c_1}{c_2}$.

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

Assertion (A): Photoelectric emission occurs instantaneously without any measurable time lag ($< 10^{-9}$ s).

Reason (R): In Einstein's photoelectric theory, light interacts as discrete quanta (photons), where a single photon transfers its entire energy to a single bound electron.

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

Assertion (A): Danger signals on communication towers and traffic posts are always illuminated in red color.

Reason (R): Red light has the longest wavelength in the visible spectrum and suffers minimum Rayleigh scattering ($I \propto 1/\lambda^4$) through fog and smoke.

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?

Sunshine English (Class 1-5): What is the core message of 'स्वतंत्रता की पूर्व संध्या पर भारतीय अर्थव्यवस्था'?

Grammar: Identify the part of speech in 'दोलन तथा तरंगें':

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.