Helpdesk: WhatsApp: 0736552548 Email: info@kenyaplex.com

Sample Biology Paper 2 Essay revision questions and Answers

Institution: Secondary

Course: Education

Content Category: Class Notes

Posted By: mikeGreen

Document Type: PDF

Number of Pages: 43

Price: KES 70
 
    

Views: 6559     Downloads: 11

Summary

Download 2020 biology paper 2 essays revision questions with answers. The paper contains questions set based on the KCSE examination trends and frequent topics.

1. Explain how the various specialized cells are modified to carry out their functions in plants and
animals
Animal cells: Sperm cell; has acrosome containing lytic enzymes; that digest the egg membranes for penetration during fertilization; has a long tail; containing numerous mitochondria; to generate maximum energy for propulsion/swimming in the vaginal fluid after ejaculation; Red blood cells; are flattened, circular/spherical biconcave in shape; to increase the surface area for packaging of haemoglobin; has haemoglobin; that combines with respiratory gases; for transport to and from body tissues; White blood cells; are amoeboid in shape hence able to change shape; to engulf pathogens through phagocytosis; lymphocytes produce antibodies to fight pathogens; Nerve cell; has extensions/dentrites; to receive and send information for sensation; Ciliated epithelial cells; have cilia for propulsion of mucus that traps dust and micro-organisms in the respiratory tract; Muscle cells; elongated, striated and contractile; to bring about movement; Plant cells: Guard cells; bean-shaped; to regulate the size of the stomata allowing gaseous exchange; and control water loss; has chloroplasts with chlorophyll; for photosynthesis; Root hair cell; elongated; thin-walled; with dense cytoplasm for absorption of water and mineral salts; Epidermal cell; thin; for protection of inner tissues from mechanical and micro-organism attack; Palisade cell; contains numerous chloroplasts with chlorophyll; for photosynthesis; elongated; to increase surface area for trapping maximum amounts of light energy; Meristematic cell; thinwalled; with dense cytoplasm; for primary and secondary growth; Max. 20 mks

2. Explain the various ways in which a typical cell is adapted to its functions
Has a cell membrane; with pores; that regulates substances entering and leaving the cell; cytoplasm; contain sugars and salts; for maintaining its osmotic pressure; also has a liquid medium; for all biochemical reactions; nucleus; contain chromosomes having hereditary material; and controls all the activities of the cell; ribosomes; are sites for protein synthesis; golgi bodies/apparatus; for secretion of hormones and enzymes; formation of lysosomes; lysosomes; contain lytic enzymes for breaking down worn-out organelles; secretory vesicles; formed from golgi apparatus for secreting substances; smooth endoplasmic reticulum; synthesizes and transports lipids; rough endoplasmic reticulum; transport proteins; nucleolus; controls the activities of the
nucleus; produces ribosomes; mitochondria; form sites for energy production; centrioles; formation of cilia and flagella; forms spindle fibres used in cell division; plant sap vacuoles; store salts and other dissolved substances; controls osmotic pressure and turgidity of cells; food vacuoles involved in digestion of engulfed food; chloroplasts; form sites for photosynthesis in plant cells; Max. 20 mks
.....................


Below is the document preview. Purchase to access the complete document.

  • 7755_0.jpg
  • 7755_1.jpg
  • 7755_2.jpg
  • 7755_3.jpg
........

This is the end of this document preview. Buy to download the complete document.


More Resources


  • Grade 4 French Assessment Test Term 1 2021

    Grade 4 French question paper term 1. It assesses the content covered in class in term 1.

    Price: KES :  100

     
  • Grade 5 French Assessment Test Term 1 2021

    Grade 5 French question paper term 1. It assesses the content covered in Grade 4 and Grade 5 in term 1.

    Price: KES :  100

     
  • Grade 4 French Assessment Test Term 1 2022

    Grade 4 French Assessment Test Term 1 2022

    Price: KES :  100

     
  • 2024 Grade 7 CRE Lesson Notes Term 1

    Download CRE grade 7 cbc lesson notes. the notes are proffesionally prepared for teachers and students. Note: 1. teachers Should thoroughly exhaust relevant areas in substrands for student to...

    Price: KES :  90

     
  • Grade 3 Rationalized Creative Arts Notes Term 1

    Grade 3 Rationalized Creative Arts Notes for term 1

    Price: KES :  100

     
  • Critically expose Jonathan Swift’s ‘Gulliver’s Travels’ to Post modernism study: LIT 410

    Critically expose Jonathan Swift;s "Gullivers Travels" to a post modernism approach. - The paper gives an insight to how you can evaluate the above mentioned text using a post modernism approach. -...

    Price: KES :  100

     
  • Business Studies: Forms of Business Units Notes

    Short notes on Business Studies: Forms of Business Units ............

    Price: KES :  47

     
  • Physics Notes on Heat Energy

    A clear summary of heat energy topic taught in high school. Heat Energy Notes.

    Price: KES :  29

     
  • AEC 418 Project Appraisal and Evaluation - Project Appraisal Case Studies

    This is a well highlighted and well explained topic about project appraisal case studies. It has the following sub topics: (i) Transport networks (ii) Project identification (iii) Feasibility and...

    Price: KES :  100

     
  • Second Year Human Resource Management Notes

    These notes help build adequate understanding concerning the human resource management in an organization including its environment, both micro and macro explained in detail.

    Price: KES :  300

     
  • Management Information System Notes for 2nd Year

    I have prepared my notes after research and i think they have the content needed in this unit.They are 15 pages in number and they cover the major parts of the unit.The best way to proof them is by...

    Price: KES :  350

     
  • Computer Studies Notes

    Introduction to computer studies notes. Brief Overview: Definition of a Computer: - A Computer is an electronic device that operates (works) under the control of programs stored in its own...

    Price: KES :  200

     
  • CCP 4I6: Security Design and Formulation Notes

    CCP 4I6: Security Design and Formulation Notes Brief Overview: 2 Introduction Physical security is defined as: Physical measurers, policies, and procedures to protect an organizations systems,...

    Price: KES :  300

     
  • UCU 104: Introduction to Entrepreneurship Notes

    This is a summarized class notes document for the entire unit. The notes include some practice exercises that can speculate how the continuous assessment and final exams look like. Brief...

    Price: KES :  1200

     
  • Medical Physiology Notes

    These notes include the definition of protozoa, the relationships between the protozoa and the host, the reproduction of protozoa and taxonomy of protozoa.

    Price: KES :  300

     
  • AAS 3316 Animal Health Management

    These notes contain detailed information on livestock metabolic diseases,their clinical signs, the animals they affect,control measures as well as the treatment to be administered.

    Price: KES :  100

     
  • AAE 3412: Principles of Agricultural Marketing Notes

    The notes contain key principles and information on agricultural marketing. Brief Overview: 1.1 Purpose of the Course This course aims at introducing students to how the market works and how...

    Price: KES :  250

     
  • Kenya Methodist University Diploma in Pharmaceutical Technology Pharmacology Notes

    The notes define various terms used in Pharmacology and various modes of administration of drugs. They also state the various forms of drugs, definition of bioavailability of drugs and the factors...

    Price: KES :  250

     
  • KCSE 2016 Agriculture Paper 1 Questions and Answers

    Agriculture Kcse 2016 Paper 1 questions and answer. This is good revision material for the candidates. Brief Overview: No.1.List four factors that would determine the stage at which a crop is...

    Price: KES :  30

     
  • Form 3 Biology Sample Questions and Answers

    This document contains comprehensive notes for form 3. They are very beneficial to students and teachers. Brief Overview: 1. a) i) What is meant by the term binomial nomenclature? - scientific...

    Price: KES :  290

     
  • Geography Form 2 article on Batholiths

    This is an easy to read article on Batholiths that is comprehensive but enjoyable. It simplifies the description of batholiths. The objective is to make the topic less abstract.

    Price: KES :  50

     
  • Evidence Law Notes CLS 202

    The notes are structured in a systematic way according to the council of legal education requirement for the core law subject Evidence law. Case laws, statutes and the constitution are provided in...

    Price: KES :  950

     
  • Physical education notes for PTE 1st years and 2nd years

    Looking for Primary Teacher Education (PTE) notes for physical education 1st year and 2nd year? You can find them here. These notes helps the tutor in lecturing and the student teacher in revisions...

    Price: KES :  200

     
  • Solved Questions for Macroeconomics

    Solved questions and answers for macroenomics. High quality questions with answers. Brief Overview: Chapter 3, Question 1 (Evolution of the household) Determine whether each of the following...

    Price: KES :  259

     
  • Education Notes for Primary Teacher Education (PTE)

    These notes may be used by tutors in lecturing and student teacher in revision. This document summaries the main content of the new syllabus for teachers’ colleges. Besides samples examination...

    Price: KES :  200

     
  • English Methodology Notes for Primary Teacher Education (PTE)

    English Methodology Notes for Primary Teacher Education (PTE). These notes may be used by student teacher in revision.. Brief Overview: Definition of Language Language as a word is based on the...

    Price: KES :  200

     
  • Kiswahili Ushairi Notes

    Best Ushairi Kiswahili notes. It is in point form to help both the teacher and the student in Ushairi. Brief Overview: Kitengo Ushairi Mashairi yanaweza kugawanywa katika aina mbalimbali...

    Price: KES :  100

     
  • Kiswahili Notes for Teachers and Students

    This document contains Kiswahili notes which may be used by the teacher in teaching and the student in revision. Brief Overview: STADI ZA LUGHA Katika Kiswahili kuna sauti mbili ambazo...

    Price: KES :  200

     
  • Detailed Oral literature Notes and Model Questions

    Oral literature is one of the are as tested in Literature in English of the Kenya Certificate of Secondary Education Examinations. The other are as in this paper include The Novel, Drama, Poetry and...

    Price: KES :  100

     
  • Biology Form Four Notes on Evolution

    FORM FOUR BIOLOGY CLASS NOTES TOPIC: EVOLUTION Topic objectives At the end of this topic, the learner should be able to: I)Define the term Evolution II) Describe the origin of life III) Describe...

    Price: KES :  50

     

More Content By mikeGreen


  • Form 2 Biology: Gaseous Exchange

    Download newly updated notes for form 2 biology, gaseous exchange. The notes are made from newly approved books and other materials by KICD and prepared by professionals. GASEOUS EXCHANGE ? This...

    Price: KES :  70

     
  • New From 2 Biology:Respiration Notes

    Download new updated notes for form 2 biology, respiration from the new books approved by KICD. RESPIRATION ? It is the process by which food substances are chemically broken down in all living...

    Price: KES :  60

     
  • Form 2 Biology Notes on Transport in Plants and Animals

    Download latest 2020 notes for biology, Transport in plants and animals form 2 work. This work has been prepared based on the approved books and other learning materials by KICD and the ministry of...

    Price: KES :  70

     
  • Geography Paper 1 Revision Questions and Answers

    Download 2020 well analyzed geography questions with answers based on the continuity and trend in examination settings by KNEC and professional setters. This work is prepared and counter checked by...

    Price: KES :  50

     
  • Modern Computer Technologies and Their Applications in Genomic Science

    Download latest notes for Modern Computer Technologies and Their Applications in the field of Genomic Science. Due to increasing demand for bioinformatics these notes are prepared to equip you with...

    Price: KES :  100

     
  • Medical Epidemiology: Types of Epidemiological Studies Notes

    Download updated notes on medical Epidemiology, general notes and types of study discussed in details. The notes entail and cover the most outcome research conducted and proven for study. MEDICAL...

    Price: KES :  60

     
  • Epidemiology Notes on Sampling and Measurements of Disease Frequencies Notes

    Get the detailed notes on Epidemiology, covering from sampling to disease frequency measurements and all protocols involved in every study. Introduction Sampling is a familiar part of daily life....

    Price: KES :  60

     
  • Disease Causation and Determinants of Health and their Interactions Notes

    Download detailed notes on disease causation and determinants of health covering upto interaction of such determinants. DESEASE CAUSATION Concepts of Disease Occurrence A critical premise of...

    Price: KES :  50

     
View all resources