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Life Science: Cells

Total questions: 21

Worksheet time: 14mins

Name
Class
Date
1.

Photosynthesis occurs mostly in the...

a)

roots

b)

leaves

2.

(Chloroplasts, Cytoplasm) in plant cells capture energy using a pigment called chlorophyll.

a)

Chloroplasts

b)

Cytoplasm

3.

Carbon dioxide, which enter the leaf through the plant's (stomata, roots) undergo a chemical reaction to produce sugar.

a)

Stomata

b)

Roots

4.

Plants use energy from the sun to make their own food, therefore they are called (heterotrophs, autotrophs).

a)

heterotroph

b)

autotroph

5.

In photosynthesis, light energy from the sun is converted into (chemical, mechanical) energy.

a)

chemical

b)

mechanical

6.

Lis each molecule in the respiration equation.

C6H12O6 + 6 O2 -----> 6 CO2 + 6 H2O + energy

A B C D

(a)  

7.

What organelle is used in cellular respiration?

a)

Mitochondria

b)

Chloroplasts

c)

Cytoplasm

d)

Golgi Apparatus

8.

The microscope that allowed scientists to see structures in cells.

a)

Compound Light Microscope

b)

Electron Microscope

9.

The first scientist to see living cells in pond water using a microscope.

a)

Robert Hooke

b)

Leeuwenhoek

10.

First scientist who observed cork was made of tiny "cells"

a)

Robert Hooke

b)

Leeuwenhoek

11.

Microscope that uses wo or more lenses and a light source to magnify objects.

a)

Electron microscope

b)

Compound Light Microscope

12.

Basic units of all living things.

a)

Cells

b)

Atoms

13.

The plasma membrane is a ___________ boundary of a cell.

a)

rigid

b)

flexible

c)

solid

d)

fluid

14.

The ________ mosaic model describes the plasma membrane and it's molecules.

a)

bilayer

b)

solid

c)

phosphate

d)

fluid

15.

A phospholipid is made up of glycerol, two fatty acid chains, and a ____________ group.

a)

phosphate

b)

carbon

c)

fluid

d)

trilayer

16.

The plasma membrane is a ____________ of phospholipid molecules with protein molecules embedded in it.

a)

solid

b)

flexible

c)

bilayer

d)

trilayer

17.

Selective permeability allows (some, all) molecules to pass through the plasma membrane.

a)

some

b)

all

18.

Provides support and protection for the cell.

a)

mitochndria

b)

cytoskeleton

c)

nucleus

d)

cell wall

19.

Uses energy from sunlight to make food molecules.

a)

Endoplasmic reticulum

b)

Golgi Apparatus

c)

Chloroplast

d)

cell wall

20.

Controls most cell processes and contains DNA.

a)

Cytoskeleton

b)

mitochindria

c)

Golgi appaatus

d)

nucleus

21.

What is Mrs.Coriell's favorite color?

a)

Black

b)

Orange

c)

Purple

d)

Green