This taste sour, it's corrosive, it changes litmus paper to red.
ACIDS
100
It is the smallest structural and functional unit of an organism.
CELL
100
A group of specialized cells that work together to perform the same function
TISSUES
100
A _________ is an instrument used to see objects that are too small for the naked eye.
Microscope
100
Cells _______ or reproduce to _______, ______ and _______.
Cells divide or reproduce to grow, repair and survive.
200
This feels slippery, it's corrosive, it change litmus paper to blue.
BASES
200
____________ includes all the changes that occur from the time the egg is fertilized until death. It also includes the repair that takes place following an injury.
DEVELOPMENT
200
It may either be unicellular or multicellular.
ORGANISMS
200
What are the three major parts of a microscope?
the eyepiece, lenses and knobs.
200
__________________ involves the union of sperm and egg cells.
Sexual reproduction
300
Give one example of acids?
– Hydrochloric acid (HCl) in gastric juice
– Sulphuric acid
– Nitric acid
– Carbonic acid in soft drink
– Uric acid in urine
300
What traits that give an organism an advantage in a certain environment?
ADAPTATION
300
Eukaryotic cells may be categorized into:
plant or animal cells.
300
What are the different types of microscopes?
mini microscopes, optical microscopes and electron
microscopes.
300
________________ results in a genetically identical offspring. They are clones.
Asexual reproduction
400
It is the measure of acidity or basicity of a substance.
pH
400
Which kingdom has organisms that are eukaryotic, multicellular and autotrophic?
PLANT
400
It is the powerhouse of the cell.
Mitochondrion
400
Give me an examples of microorganisms.
- fungi
- protists
- algae
- bacteria
- viruses.
400
Which is an advantage of sexual reproduction?
a) Produces offspring quickly
b) Promotes variety in species
c) Transmits exact replica of parent DNA
d) Allows organisms to adapt to very specific environment
d) Allows organisms to adapt to very specific environment
500
An ___________ is a substance that changes color when the acidity of the solution changes.
indicator
500
It refers to maintaining stability in organisms.
HOMEOSTASIS
500
Identify the levels of organisation.
Cells – Tissues – Organs – Systems
500
Microorganisms can be helpful. They are used in?
- preparation of food
- decomposition and
- keeping our bodies healthy.