Revision_Grade9_Biology

Presentation

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Biology

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9th - 10th Grade

•

Medium

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NGSS

MS-LS1-2, HS-LS1-2, MS-LS1-7

Standards-aligned

Lkhagvajargal Sanjsuren

Used 5+ times

FREE Resource

38 Slides • 24 Questions

REVISION

Grade 9 2020.11.30

Multiple Choice

Choose the correct order below. (small to big)

atom, molecule, organelle, tissue, cell

organism, organ, cell, tissue

cell, tissue, organ, organ system, organism

atom, organelle, organ, organism

Multiple Choice

Starch and water molecules in potato cells are stored in what organelle?

mitochondria

nucleus

cell wall

vacuole

Multiple Choice

What is the function of a cell wall?

to protect and support the cell

to perform different functions in each cell

to prevent water from passing through it

to prevent oxygen from entering the cell

Multiple Choice

All cells need energy to function. Which cell organelle is responsible for producing energy in the cell?

chloroplasts

mitochondria

nucleus

vacuoles

Multiple Choice

Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells?

to absorb light energy and manufacture food

to remove waste materials by active transport

to manufacture chemical energy from food

to control the shape of the cell

Multiple Choice

What is the function of the cell nucleus found in both plant and animal cells?

to produce energy

to control cell activity

to remove waste products

to allow molecules to enter the cell

Multiple Choice

Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

cell membrane

cytoplasm

nucleus

vacuole

Multiple Choice

Which structures are found in every living cell?

cell membrane and cytoplasm

chloroplasts and mitochondria

a cell wall and nucleus

chloroplasts and cell wall

Multiple Choice

Which of the following are NOT found in animal cells

chloroplasts and cytoplasm

chloroplasts and cell wall

cell wall and cell membrane

mitochondria and nucleus

Multiple Choice

Active transport requires ______, moves materials from __________________, and goes _______ the concentration gradient.

No energy, low to high, against

ATP, high to low, with

ATP, low to high, with

ATP, low to high, against

Multiple Choice

The movement of molecules from higher concentration to lower concentration is

diffusion

cell division

active transport

tonicity

Multiple Choice

What is the definition of Osmosis?

the passive movement of WATER molecules from a high to low concentration across the cell membrane.

the state where molecules are equally concentrated (balanced) on both sides of the cell membrane.

the process that brings LARGE particles INTO the cell through the cell membrane

he movement of molecules across the cell membrane that REQUIRES ENERGY output from the cell

Multiple Choice

The picture below is an example of _________________.

osmosis

isotonic

diffusion

active transport

Multiple Choice

Osmosis is the movement of _____ across a membrane.

food

energy

oxygen

water

The chemicals of life

Grade 9

Biological molecules

Carbohydrates: made from Carbon, Hydrogen and Oxygen (CHO)
Fats and oils: made from Carbon, Hydrogen and Oxygen (CHO)
Proteins: made from Carbon, Hydrogen, Oxygen, Nitrogen and sometimes Sulfur (CHON[S])

Multiple Choice

Which colour confirms little reducing sugars when a food substance with Benedict's solution is heated?

Red

Green

Blue

Orange

Multiple Choice

Which reagent is used to test for Reducing sugars in the laboratory?

benedict's solution

Benedict's solution

Benedicts solution

Benedicts' solution

Multiple Choice

Starch is a ___________ because it is made of many sugars sub units

monosaccarhides

Disaccarhides

Polysaccharides

Protein

Multiple Choice

A(n) _______________ is a protein that speeds up that rate of a chemical reaction.

Muscle

Ketone

Alpha helix

Enzyme

Multiple Choice

Proteins are made up of long chains of ________________.

Amino Acids

Lipids

Saccharides

Polysaccharides

Multiple Choice

A monomer unit that makes up lipids is __________________ and _____________.

Saccharides, nucleotides

Amino acids, glycerol

Glycerol, saccharides

Fatty acids, glycerol

Multiple Choice

A function of a lipid is________________.

Short term energy

Energy storage

Structures and enzymes

Hereditary information

Multiple Choice

List four chemical elements that are found in proteins.

Oxygen, Carbon, Nitrogen and Hydrogen

Carbon, Phosphorus, Hydrogen and Nitrogen

Carbon, Oxygen, Nitrogen and Phosphorus

Oxygen, Carbon, Phosphorus, Hydrogen

Multiple Choice

A student set up a test-tube containing starch, water and amylase. How could the student test whether the amylase had digested all the starch?

Add Biuret solution.

Add dilute hydrochloric acid.

Add iodine solution.

Weigh the test-tubes and contents before and after the experiment.

Multiple Choice

Which food-testing reagent shows a positive result when it turns from blue to purple?

Benedict’s solution

biuret reagent

ethanol

iodine solution

REVISION

Grade 9 2020.11.30

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