Question Paper
Class / Subject: Class 9 (SSC) · Science and Technology (विज्ञान आणि तंत्रज्ञान)
Chapter: Chapter 13 — Chapter 13: Carbon - An Important Element
Time Allowed: 32 minutes
Max Marks: 16
1. What unique ability does carbon have? [1]
(A) Forming four bonds and catenation
(B) Only forming one bond
(C) Never bonding with itself
(D) No special ability
2. What does catenation enable? [1]
(A) Diverse organic compounds
(B) Nothing significant
(C) Only inorganic compounds
(D) Only metal compounds
3. What is diamond? [1]
(A) An allotrope of carbon, hardest substance
(B) A type of metal
(C) A type of gas
(D) Not related to carbon
4. What is graphite? [1]
(A) A soft allotrope of carbon
(B) The hardest substance
(C) A type of metal
(D) Not related to carbon
5. Where is graphite used? [1]
(A) Pencils and lubricants
(B) Only jewellery
(C) Only construction
(D) Nowhere useful
6. What forms the basis of life? [1]
(A) Organic (carbon) compounds
(B) Only inorganic compounds
(C) Only metals
(D) Only water
7. What are examples of organic compounds in life? [1]
(A) Carbohydrates, proteins, fats, DNA
(B) Only water
(C) Only salt
(D) Only metals
8. Why learn about carbon? [1]
(A) It's essential to life and countless products
(B) No reason
(C) It's not useful
(D) Only for tests
9. What unique ability does carbon have? [1]
(A) Forming four bonds and catenation
(B) Only forming one bond
(C) Never bonding with itself
(D) No special ability
10. What does catenation enable? [1]
(A) Diverse organic compounds
(B) Nothing significant
(C) Only inorganic compounds
(D) Only metal compounds
11. What is diamond? [1]
(A) An allotrope of carbon, hardest substance
(B) A type of metal
(C) A type of gas
(D) Not related to carbon
12. What is graphite? [1]
(A) A soft allotrope of carbon
(B) The hardest substance
(C) A type of metal
(D) Not related to carbon
13. Where is graphite used? [1]
(A) Pencils and lubricants
(B) Only jewellery
(C) Only construction
(D) Nowhere useful
14. What forms the basis of life? [1]
(A) Organic (carbon) compounds
(B) Only inorganic compounds
(C) Only metals
(D) Only water
15. What are examples of organic compounds in life? [1]
(A) Carbohydrates, proteins, fats, DNA
(B) Only water
(C) Only salt
(D) Only metals
16. Why learn about carbon? [1]
(A) It's essential to life and countless products
(B) No reason
(C) It's not useful
(D) Only for tests