What tool do we use to see cheek cells and onion cells?
Microscope
Which test is used to detect sugar?
Benedict’s test
What is the male part of a flower called?
Stamen
hat natural material did we use to make bioplastic?
Cornstarch / banana
Which organism did we use to study respiration?
Yeast
What is the plastic square we place on top of the slide called?
Coverslip
What color change shows sugar is present in Benedict’s test?
Blue → green/yellow/orange/red
What does pollen grow to reach the ovule?
Pollen tube
Is bioplastic biodegradable or non-biodegradable?
Biodegradable
What gas is released during yeast respiration?
Carbon dioxide
What is the dye we use in microscopy called?
Methylene blue
Which test detects proteins?
Biuret test
What is the female part of a flower called?
Pistil / carpel
Why is glycerin added while making bioplastic?
To make it flexible
What fruit did we use to extract DNA?
Banana
What happened to onion cells in a salt solution during osmosis?
They shrank
What color shows a positive Biuret test?
Purple / violet
Why is pollen tube growth important?
It allows fertilization
One advantage of bioplastics over plastic bags?
Eco-friendly / decomposes
Why do we mash the banana during DNA extraction?
To break open the cells
Why do onion cells look more rectangular than cheek cells?
They have a rigid cell wall
Why is red cabbage a good indicator?
It changes color in acids and bases
Name one condition needed for pollen tube germination.
Water / sugar / suitable temperature
Why can bananas be used to make bioplastic?
They contain starch and cellulose
What technique separates substances based on how far they travel?
Chromatography