TASK DEFINITION: You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
PROBLEM: Why does the leaf of a plant look green?  
 (A) Because it absorbs green light (B) Because it reflects green light (C) Because it absorbs only yellow and blue light (D) Because it reflects a mixture of yellow and blue light

SOLUTION: B

PROBLEM: Ribosomes present in a particular cell are smaller than those found in plants. In which taxonomic group or groups could the cell be classified?  
 (A) fungi only (B) archaea only (C) bacteria or archaea (D) bacteria or fungi

SOLUTION: C

PROBLEM: Which is an example of a form of electrical energy?  
 (A) lightning (B) windmill (C) radio waves (D) sound waves

SOLUTION:
A