List of practice Questions

Gas produced when copper reacts with dilute HNO3: Nitric oxide (NO)
Phenol is more acidic than alcohol because:
Beats are produced by superposition of two waves with:
The half-life of a radioactive substance is 10 days. After 30 days, fraction remaining is:
A transformer: secondary turns = 2 $\times$ primary, input voltage = 220V. Output voltage is:
Which colligative property is used to determine molar mass of polymers?
Colostrum is rich in:
Which of the following is an ectothermic animal?
The rms speed of gas molecules is given by:
A p-n junction in reverse bias:
Which of the following is a correct statement about the lac operon?
The process by which nitrogenous waste is removed in insects is:
The respiratory quotient (RQ) of fats is:
Entomophily (insect pollination) is found in:
Haemoglobin in RBCs is a:
Photorespiration involves which sequence of organelles?
If \( \alpha, \beta \) are the zeroes of the quadratic polynomial \( px^2 + qx + r \), then find the value of \( \alpha^3\beta + \beta^3\alpha \).
Match the Following: Grand Slam Winners 2025 (Women’s Singles)
{ll} List I (Tournament) & List II (Winner)
A) Australian Open & 3) Madison Keys
B) French Open & 1) Coco Gauff
C) Wimbledon & 4) Iga Świątek
D) US Open & 2) Aryna Sabalenka
Who is the current Chairman of the Central Board of Film Certification (CBFC) in India? ____.
SHE-Marts (Self Help Entrepreneur Marts) introduced in the Union Budget 2026–27 aims to: ____.
What fiscal deficit target (as % of GDP) was set in the Union Budget 2026–27 presented on 1 February 2026? ____.
In April 2026, IIT Madras announced a major milestone under its "Startup Shatam" mission. How many deep-tech startups did the institute successfully incubate in the 2025-26 fiscal year? ____.
The 2026 FIFA World Cup is historic for being the first edition to be jointly hosted by three nations. Which of the following sets of countries correctly identifies the hosts of this tournament?
Who assumed office as the Prime Minister of Nepal on March 27, 2026, becoming the world’s youngest serving state leader at the age of 36? ____.
United Nations Day is observed on which date, and what was the theme for 2025? ____.