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Y7 Biology Basics (Part 2) Flashcards | StudBud
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Y7 Biology Basics (Part 2)
Y7 Biology Basics (Part 2)
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1
In fertilization, the male and female sex cells fuse/combine.
True
False
2
Which organs are part of the nervous system?
Heart, lungs, skin
Spinal cord, brain, nerves
Brain, nerves, veins
Spinal cord, nerves, arteries
3
When a sperm and egg fuse/combine, they form a...
cell membrane
chromosome
zygote
ovum
4
All cells have fixed/regular shapes.
True
False
5
Plant cell walls are made of a chemical called....
chitin
fats
cellulose
proteins
6
Parts of the cell that do specific jobs/functions like organs are called...
cells
tissues
organs
organelles
7
Bones in a human skeleton are made up of what chemical?
Carbohydrates
Calcium
Chitin
Proteins
8
Every cell has how many total chromosomes?
54
46
50
23
9
The part of microscope where you look into to see the specimen is called....
Objective lens
Stage
Stage clips
Eyepiece lens
10
The nervous system sends information to the body in what form?
Hormones
Fertilization
Electric signals
Mail
11
In photosynthesis, the plant makes what 2 chemicals?
Glucose, oxygen
Glucose, carbon dioxide
Carbon dioxide, oxygen
Calcium, chitin
12
A male sex cell in humans/animals is called...
ovum
gamete
nerve cell
sperm
13
A human aged 1-5 years old is usually called....
Teenager
Infant
Adolescent
Adult
14
The organ system that makes chemicals called hormones is...
the respiratory system
the reproductive system
the circulatory system
the endocrine system
15
Arrange the following structures in descending order (biggest to smallest)
Cell -> tissue -> organ -> organ system
Organ system -> organ -> tissue -> cell
Tissue -> cell -> organ -> organ system
Organ -> organ system -> cell -> tissue
16
What is the function of the cell membrane?
Controls what substances go in and out of the cell
Allows chemical reactions to happen
Controls cell activity/function
Maintains the shape of the cell
17
Sexual reproduction needs a male and female parent.
False
True
18
Which parts are found in plant cells but NOT in animal cells?
Cell wall, chloroplasts, permanent vacuole
Nucleus, cytoplasm, DNA
Nucleus, cell wall, cell membrane
Chloroplasts, permanent vacuole, cell membrane
19
The part of the microscope that holds the slide in place so it doesn't fall off is called...
the stage clips
the stage
the diaphragm
the focusing knob
20
What is the name of the green chemical plants use in photosynthesis?
Chitin
Carbohydrates
Chlorophyll
Chloroplasts
