ICSE 2016 Biology Question Paper for Class 10

About this paper

This is the official ICSE Class 10 Biology (Science Paper 3) question paper from the 2016 examination, paper code T16 523. Writing time is two hours, plus 15 minutes of reading time. Section I (40 marks) is compulsory: naming, multiple choice, odd one out, a paragraph on ADH and insulin to complete, exact locations, a diagram of an eye defect, pairing up 14 biological terms, and functions of structures. In Section II (40 marks) candidates attempt any four of Questions 2–7, which use diagrams of the root hair zone, the endocrine glands, a potometer, the membranous labyrinth, a dividing animal cell, a developing foetus and a photosynthesis experiment, and end with a dihybrid cross. The paper has questions only, without answers.

Exam

ICSE Class 10

Subject

Biology

Year

2016

Paper code

T16 523

Maximum marks

80

Time allowed

2 hours + 15 min reading

Questions

7

Pages

11

Answers included

No, questions only

Paper pattern

• Section I

  40 marks

  Question 1, compulsory, with eight five-mark parts (a)–(h)

• Section II

  40 marks

  Questions 2–7, attempt any four; each has two five-mark parts

Topics covered

• Absorption by roots and osmosis
• Transpiration
• Photosynthesis
• Cell division
• Genetics and Mendel's laws
• Endocrine system
• Sense organs: eye and ear
• Nervous system
• Circulatory system
• Human reproduction
• Excretion
• Pollution and population

Questions from this paper

1. Name the part of the brain that carries impulses from one hemisphere of the cerebellum to the other.
2. Differentiate between LUBB and DUP on the basis of the valves whose closure produces each sound.
3. Give a scientific reason: colour blindness is more common in men than in women.
4. Define the term 'gestation'. What is the normal gestation period of a developing human embryo?
5. A homozygous tall plant bearing red flowers is crossed with a homozygous dwarf plant bearing white flowers. Give the genotype and phenotype of the plants of the F1 generation.
6. Briefly explain the term 'power of accommodation'.