(Papers) CISCE : Download Class X Exam Papers-2018 (Biology)
- Subject : Biology
- Year : 2018
- Duration : 2 Hour
- Answers to this Paper must be written on the paper provided separately.
- You will not be allowed to write during the first 15 minutes.
- This time is to be spent in reading the Question Paper.
- The time given at the head of this Paper is the time allowed for writing the answers.
- Attempt all questions from Section I and any four questions from Section II.
- The intended marks for questions or parts of questions are given in brackets
(a) Name the following: 
(i) The organization which procures and supplies blood during an emergency.
(ii) The blood vessel which supplies blood to the liver.
(iii) The number of chromosomes present in a nerve cell of a human being.
(iv) The layer of the eyeball that forms the transparent Cornea.
(v) The wax-like layer on the epidermis of leaves which reduces transpiration
(b) Choose the correct answer from each of the four options given below:
(i) The number of Spinal nerves in a human being are:
A. 31 pairs
B. 10 pairs
C. 21 pairs
D. 30 pairs
(ii) Which one of the following is non-biodegradable?
B. Vegetable peel
D. Bark of trees