Basic Science MCQs for LDC
Practice Basic Science under Science & Tech for LDC with 20 free MCQs in Hindi and English.
LDC — Basic Science
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
Who among the following scientists received the Nobel Prize in Physics in 2001 for creating the first Bose-Einstein Condensate?
Question 2 of 20
Which of the following statements distinguishes Boiling from Evaporation?
Question 3 of 20
Medical science primarily relies on the advancement of which two branches of science for diagnosis and treatment?
Question 4 of 20
Which of the following is an example of 'Matter'?
Question 5 of 20
What is the alternative scientific terminology used to describe a concave mirror based on its interaction with parallel light rays?
Question 6 of 20
Which of the following processes involves the change of state from liquid to solid?
Question 7 of 20
Analyze the exact stoichiometry of the chemical equation detailing scum formation: 2C17H35COONa + Ca2+ → (C17H35COO)2Ca + 2Na+. How many moles of sodium ions are forcefully displaced into the aqueous solution for every single mole of calcium stearate precipitated?
Question 8 of 20
J.J. Thomson's model of the atom was proposed in which year?
Question 9 of 20
Which specific metallic element is predominantly utilized as the primary semiconductor material in the large-scale manufacturing of commercial solar cells?
Question 10 of 20
If the angle between two interacting plane mirrors is 120 degrees, how many multiple images will be optically produced based on the formula rules provided?
Question 11 of 20
Which state of matter possesses the highest energy particles?
Question 12 of 20
Modern Physics (Aadhunik Bhautiki) encompasses highly advanced topics. Which of the following subjects are grouped under this branch?
Question 13 of 20
Which specific defect of vision is intrinsically associated with the aging process and the subsequent hardening of the eye's crystalline lens?
Question 14 of 20
Match List-I (Medium) with List-II (Approximate Speed of Sound in m/s) and select the correct answer:
Question 15 of 20
Match List I (Real-life applications) with List II (Type of Mirror) and select the correct answer using the codes given below: List-I a. Shaving Mirrors b. Reflector in Solar Furnaces c. Rear-view mirrors in vehicles List-II 1. Convex Mirror 2. Concave Mirror 3. Plane Mirror
Question 16 of 20
In the food industry, a manufacturer wants to prevent their packaged potato chips from developing a foul smell due to the oxidation of frying oils. Which of the following chemicals should they strategically deploy?
Question 17 of 20
Which of the following compounds is explicitly classified as a strong base in chemistry?
Question 18 of 20
What is the full form of CETP, which is often discussed in the context of industrial pollution control in Rajasthan?
Question 19 of 20
Which type of lenses are used in a standard compound microscope to magnify highly minute objects?
Question 20 of 20