Biology Half Yearly Exam for ICSE Class 9 in 2025: Free PDF Available for Direct Download
The ICSE Class 9 Biology Half Yearly Sample Paper for 2025 has been made available for practice. This practice paper aims to help students prepare for the upcoming exam by offering a glimpse of the types of questions that may appear.
In this article, we will discuss some of the key topics covered in the practice paper and provide explanations for some of the questions.
Vasoconstriction and Respiration
Vasoconstriction is the narrowing of blood vessels, typically in response to cold or stress. Respiration is a process in which organisms convert nutrients into energy, releasing waste products such as carbon dioxide.
In the practice paper, students are asked to explain the differences between vasoconstriction and respiration and to label a diagram of a myelinated neuron. Unfortunately, a well-labelled diagram of a myelinated neuron is not provided in the text.
Germination and Seeds
The term 'bean seed show endosperm germination' refers to a type of germination in which the embryo grows within the endosperm, the nutrient-rich innermost layer of the seed. Two main reasons for gram seeds failing to germinate, even when planted deeply in the soil, could be poor soil quality or the seeds being too old.
In the practice paper, students are asked to name a structure given an explanation, choose the odd one out in a list of terms, and fill in the blanks in explanations.
Mosquito Control and Microbiology
Two methods to control mosquitoes could include using insecticides or introducing mosquito-eating fish into bodies of water. The practice paper also covers microbiology, with questions about a micro-organism in a diagrammatic sketch and a micro-organism causing an infection in a character named Riya.
In the practice paper, students are asked to identify the micro-organism in the diagram and to suggest a prevention for Riya's infection.
Ciliated Epithelium and Parasites
Ciliated epithelium is found in the respiratory system, such as the nose and trachea. In the practice paper, students are asked to name a parasite that can cause serious diseases in the human body, including tapeworm infection and cysticercosis.
In the practice paper, students are also asked to name two abnormal conditions of skin pigmentation and to explain the role of hairs in forensic investigations.
Overall, the ICSE Class 9 Biology Half Yearly Sample Paper for 2025 is a valuable resource for students preparing for their exam. The practice paper includes multiple choice questions, where students must choose the correct answer from given options, and questions that require students to demonstrate their understanding of key concepts. By practicing with this sample paper, students can gain a better understanding of the types of questions that may appear on the exam and can improve their chances of success.
Read also:
- CEO Efe Cakarel of film platform Mubi addresses controversy regarding new investor and Israeli military ties, establishes advisory board and fund to safeguard artists under threat.
- Vancouver Canucks' family member claims a 'plot' to disown him unjustly
- Trump urged to abandon one-sided trade restrictions during a 'productive' conversation with Xi about the TikTok issue
- Launching a Chore Service Business: Exhaustive Tutorial
