Weight of brain in adult human is

Options

A. 4200 gram
B. 1400 grams
C. 4300 grams
D. 4000 grams

Answer

### Step-by-Step Solution

1. **Understanding the Question**: The question asks for the weight of the brain in an adult human. This requires knowledge of human anatomy and physiology.

2. **Identifying the Weight Range**: It is known that the weight of the human brain can vary. Generally, the adult human brain weighs between 1300 grams to 1400 grams.

3. **Considering Gender Differences**: Research indicates that there are slight differences in brain weight between males and females. On average, a male brain weighs about 1330 grams, while a female brain weighs around 1198 grams.

4. **Conclusion**: The average weight of an adult human brain is approximately 1400 grams. This is the most commonly accepted figure in scientific literature.

5. **Selecting the Correct Option**: Given the options provided (4200 gms, 1400 gms, 4300 gms, and 4000 gms), the correct answer is 1400 grams.

### Final Answer
The weight of the brain in an adult human is approximately **1400 grams**.

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