Bihar School Examination Board (BSEB) is responsible for the conduct of the Bihar Board matric examination 2025, which started on 17 February. The Bihar board class 10 science paper examination was conducted today in two shifts (morning and evening) from 9:30 am to 12:45 pm and 2 pm to 5:15 pm. The morning shift and evening paper are successfully conducted and the BSEB Bihar board 10th science question paper PDF will be provided below very shortly. Students who have appeared in the BSEB 10th science exam can match their Objective-type answers from this page. Bihar Board Science answer key 2025 will be provided very soon. Stay tuned to this page to download the Bihar board class 10 Science question paper PDF 2025.
Bihar board class 10 science is expected to be easy to moderate level according to the past year trends, with more focus towards problem-solving rather than extensive subjective writing.
Students who wish to download BSEB Bihar board science question paper PDF can click on the given below link to download and access it for free.
All the Bihar board 10th science MCQs of all sets will be provided here. Section A containing a total of 80 questions 1 to 80 are objective type. Answer any 40 questions. Each question has four options, with only one correct answer. The BSEB Bihar board class 10 answer key of set- E is given below.
Bihar Board Class 10 Science Paper Solution 2025
Apart from section A objective types of questions, students can also check subjective types of question-answers with solutions here. Very shortly BSEB Bihar board 10th science answer key and solution will be provided here. Some of the questions and answer of Bihar board class 10 science set-E is given below.
1. दोहरा परिसंचरण नहीं पाया जाता है
(A) मेढ़क में
(B) मछली में
(C) पक्षी में
(D) मनुष्य में
Double circulation is not found in
(A) Frog
(B) Fish
(C) Bird
(D) Human
The correct answer is:
(B) Fish
Explanation: Double circulation (where blood passes through the heart twice in one complete cycle) is found in animals like frogs, birds, and humans. However, fish have single circulation, where blood passes through the heart only once in a complete cycle. Therefore, the correct answer is (B) Fish.
2. यूरिया रक्त में कहाँ से प्रवेश करती है ?
(A) वृक्झ से
(B) फेफड़ा से
(C) यकृत से
(D) इनमें से कोई नहीं
From where does urea enter the blood?
(A) Kidney
(B) Lungs
(C) Liver
(D) None of these
(C) Liver
Explanation: Urea is produced in the liver as a result of protein metabolism. It then enters the bloodstream and is transported to the kidneys for excretion. Therefore, the correct answer is (C) Liver.
3. ग्लूकोज का पुनरवशोषण कहाँ होता है ?
(A) PCT में
(B) DCT में
(C) हेनले लूप में
(D) इनमें से सभी
Where does glucose reabsorption occur?
(A) In PCT
(B) In DCT
(C) In Henle's loop
(D) All of these
The correct answer is:
(A) In PCT
Explanation: Glucose reabsorption primarily occurs in the Proximal Convoluted Tubule (PCT) of the nephron in the kidney. The PCT is responsible for reabsorbing most of the filtered glucose back into the bloodstream. Therefore, the correct answer is (A) In PCT.
4. विभिन्न क्रियाओं के फलस्वरूप बने हानिकारक पदार्थों को शरीर से बाहर निकालने के तंत्र को कहते हैं
(A) पाचन तंत्र
(B) परिसंचरण तंत्र
(C) उत्सर्जन तंत्र
(D) तंत्रिका तंत्र
The mechanism for removing harmful substances formed as a result of various activities from the body is called
(A) Digestive system
(B) Circulatory system
(C) Excretory system
(D) Nervous system
The correct answer is:
(C) Excretory system
Explanation: The excretory system (उत्सर्जन तंत्र) is responsible for removing harmful substances and waste products (such as urea, excess salts, and toxins) from the body. Therefore, the correct answer is (C) Excretory system.
5. मेरुजजु के आघात से क्या हो सकता है ?
(A) घेंघा
(B) बौनापन
(C) मधुमेह
(D) लकवा
What can happen due to spinal cord injury?
(A) Goitre
(B) Dwarfism
(C) Diabetes
(D) Paralysis
The correct answer is:
(D) Paralysis
Explanation: A spinal cord injury can disrupt the communication between the brain and the body, leading to paralysis (लकवा) in parts of the body below the injury site. Therefore, the correct answer is (D) Paralysis.
Stay tuned for complete Bihar board class 10 science answer key 2025 and solution.
Today, BSEB is conducting the Bihar Board Class 10 Science exam in different centers of the state. The difficulty level of the paper will be easy to moderate according to past trends, but the actual BSEB 10th science analysis will be provided here.
Check this page regularly for CBSE class 10 science answer key, solution, question paper and analysis.
