Biology

Biology Scheme of Work, SS1, First Term

len Alfred Ajibola - Thu, 19th March, 2020 @ 08:05: AM

Topics in Biology

Ecological pyramid explained with its importance and limitations Hindbrain: Medulla Oblongata and its features Food web explained with examples Biology Scheme of Work, SS1, First Term Biology Scheme of Work, SS1, 2nd Term Biology Scheme of Work, SS1, 3rd Term Seminal Vesicles and Bulbourethral Glands as Male Accessory Sex Organs Scrotum and its contents: Testicles Brain: Introduction to the Human Brain Forebrain: Lobes of the Cerebrum and their Functions Cerebellum: Parts and Functions of the Cerebellum Midbrain: Division and Functions of the Midbrain Negative Feedback Mechanism in Homeostasis Arterial Disorders: Characteristics and Causes of Arterial Disorders Types of Desert and their Characteristics Characteristics of Tropical Rainforest Swamp Forest: What are Swamp Forests? Characteristics of Swamp Forests Savanna: Savanna and Grassland explained Savanna - Types of Savanna


Academic Questions in Biology

Please check out our Test Your Knowledge page to see all Questions and Answers

In a food chain, the primary consumers are classified under trophic level  _____.

  • A. Zero

  • B. One

  • C. Two

  • D. Three

  • E. Four

  • F. Five

Cold blooded animals are referred to as _____.

  • A. Homeotherms

  • B. Endotherms

  • C. Poilokitherms

  • D. Ectotherms

  • E. Thermotherms

  • F. None of the above

All reptiles are vertebrates.

  • A. True

  • B. False

_____ cells are responsible for the formation of osteoblasts.

  • A. Osteocytes
  • B. Chondrocytes
  • C. Chondroblasts
  • D. Osteoclasts
  • E. Osteoprogenitor cells
  • F. Osteoblastic

_____ is a bone that constitute the axial skeleton.

  • A. Clavicle
  • B. Scapula
  • C. Patella
  • D. Radius
  • E. Sternum
  • F. Femur

Which of the following is false concerning cartilages and bones?

  • A. Cartilage does not have a direct blood supply while bones have direct blood supply
  • B. The process of ossification replaces a cartilage to bone
  • C. The protein that makes up cartilage is called chondrin while that that makes up bone is called ossein
  • D. Cartilage grows from both ends while bones grow from one of its epiphysis
  • E. They both have living cells within them
  • F. Haversian system is absent in cartilage but present in bones

A diagram showing the movement of energy through a food chain is called a _____.

  • A. Food Chain
  • B. Food Web
  • C. Food Energy
  • D. Food Link
  • E. Food Flow
  • F. Food Pyramid

Which of the following is NOT a part of the wrist bones (or carpal bones)?

  • A. Cuboid
  • B. Scaphoid
  • C. Hamate
  • D. Triquetral
  • E. Pisiform
  • F. Trapezium

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Biology Scheme of Work, SS1, 1st Term:

 

WEEK 1

Topic: Recognizing Living Things

 

WEEK 2

Topic: Classification of Living Things

 

WEEK 3

Topic: Classification of Living Things
  • Kingdom Fungi -> Characteristics and Examples
  • Kingdom Plantae -> Characteristics and Examples
  • Kingdom Animalia -> Characteristics and Examples

 

WEEK 4

Topic: Cell
  • Cell as a Living Unit
  • The Cell Theory
  • Forms in which Living Things exist
    -> As a Colony
    -> As a Filament
  • Cell Structure and Functions of its Components
  • Differences between Plant and Animal Cell

 

WEEK 5

Topic: Cell and its Environment
  • Diffusion -> Definition, Processes and Significance
  • Osmosis -> Definition, Processes and Significance
  • Definition of Plasmolysis, Haemolysis, Turgidity and Flaccidity
  • Biological Importance of the Cell's environment

 

WEEK 6

Topic: Nutrition | Feeding

 

WEEK 7

Topic: Respiration
  • Gaseous Exchange (External Respiration)
  • Aerobic Respiration (Kreb Cycle)
  • Anaerobic Respiration
  • Differences between Aerobic and Anaerobic Respiration

You can Attempt LEN ACADEMY Questions (with Answers) on various Subjects here.

 

WEEK 8

Topic: Excretion
  • Definition of Excretion
  • Importance of Excretion
  • Differences between Excretion, Secretion and Egestion
  • Forms in which excretory products are Excreted

 

WEEK 9

Topic: Growth
  • Basis of Growth -> Cell Division (Mitosis), Cell Enlargement and Cel Differentiation
  • Regulations of Growth by Hormones
  • Examples of Animal Hormones
  • Growth Measurement -> Height, Weight, Dry mass and Size

 

WEEK 10

Topic: Irritability
  • Reaction of Cells to their Environment
  • Types of Responses with examples
    -> Tactic
    -> Trophic
    -> Taxis
  • Positive and Negative Responses

 

WEEK 11

Topic: Movement
  • Definition and Importance of Movement
  • Cyclosis in Protozoa
  • Organelles for Movement

 

WEEK 12

Topic: Reproduction

 

WEEK 13

Topic: Revision

 

WEEK 12

Topic: Examinations

 

Read Biology Scheme of Work for SS1, 2nd Term here

Read Biology Scheme of Work for SS1, 3rd Term here

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Alfred Ajibola is a Medical Biochemist, a passionate Academician with over 7 years of experience, a Versatile Writer, a Web Developer, a Cisco Certified Network Associate and a Cisco CyberOps Associate.


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Amazing facts in Biology

Panda eating bamboo - Len Academy

99% of a panda's diet is bamboo. They may eat fish or other small animals occasionally

When attacked by insects, lima beans plant will often command parasitic wasps to their defence.

When the leaves of the lima bean's leaves are eaten by insects, the plant gives off a substance that signals parasitic wasps to swam in, destroying its enemies (the leaf-eating insects) in the process

Frogs drink water through their skin

Armadillos - Len Academy

Armadillos are western mammals known for their unique armor-like shell which are bulletproof

Polka-dotted zebra - Len Academy

Although zebras are known for their characteristics black and white stripes, we still have some polka-dotted zebras

Charles Darwin is a British naturalist and biologist who contributed greatly into the study of evolution. According to research, he frequently ate the animals he studied

Lungs are the only human organ that can float on water

Unlike most snakes that lay eggs, anacondas give birth to live babies

Shrimp - Len Academy

A shrimp's heart is in its head

Women have more pain receptors than men


NOTABLE POINTS IN Biology

For a thing to be considered living, it must possess all the basic characteristics of life. These include:

  1. Movement

  2. Respiration

  3. Nutrition

  4. Irritability or Sensitivity

  5. Growth

  6. Excretion

  7. Reproduction

  8. Death

  9. Adaptation

  10. Competition

Please read the explanations on all the basic characteristics of life here

During strenuous exercises like sprinting or running, your body may actually work in the shortage of oxygen. During this time, your body owes oxygen (called oxygen debt) and it must be replenished or repayed after the exercise is stopped. This is why you breathe excess of oxygen after you stopped the exercise.

This is the concept of anaerobic respiration

Food Chain - Len Academy

A food chain is a diagram that shows the relationship between plants and animals within a habitat on the basis of how they rely on each other for food.

Note: Habitat is a place where an organism live. It is of three types:

  • Terrestrial (Land)
  • Aquatic (Water)
  • Arboreal (Treetops)

You can read on food chain here

The term Biology originated from two Greek words. They are:

  • Bios: means life.

  • Logos: means knowledge or to study.

Biology can therefore be defined as the study of life

Anything that has life is generally considered as a living organism (or organism). All living organisms must be able to carry the following activities:

  1. Movement

  2. Respiration

  3. Nutrition

  4. Irritability or Sensitivity

  5. Growth

  6. Excretion

  7. Reproduction

  8. Death

  9. Adaptation

  10. Competition

The above listed points are often regarded as the basic characteristics of life. You can memorize them using the acronym -> MR. NIGER DAC.

You can read on the introduction to biology and the basic characteristics of life here

The gas used in the manufacture of food by plants is Carbon dioxide or Carbon(IV)oxide or CO2

Plants manufacture food through a process called photosynthesis.

Please read on photosynthesis here

It is noteworthy to state that plants are the only orgnisms that take away CO2 from the atmosphere