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PRE TEST IN BIOTECHNOLOGY

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

All cells contain which of the following?

a)

Chloroplast

b)

Plasma membrane

c)

Nucleus

d)

Centrosome

2.

Plant cells have all of the following except____.

a)

Cell wall

b)

Nucleus

c)

Chloroplast

d)

Centrioles

3.

What has the Rough ER attached to it?

a)

Nucleolus

b)

Golgi apparatus

c)

Ribosomes

d)

Chromosomes

4.

The thin, flexible barrier around a cell is called the____.

a)

Plasma membrane

b)

Cell wall

c)

Nuclear envelope

d)

Cytoplasm

5.

Which of the following is the function of the cytoskeleton?

a)

Helps a cell keep its shape

b)

Contains DNA

c)

Surrounds the cell

d)

Helps make proteins

6.

Which organelle is the "packing center" for the cell?

a)

Endoplasmic reticulum

b)

Nucleus

c)

Lysosome

d)

Golgi apparatus

7.

Which of the following is a saclike structure that stores water?

a)

Golgi apparatus

b)

Nucleus

c)

Vacuole

d)

Endoplasmic reticulum

8.

Which of the following is the "powerhouse" of the cell that breaks down food into energy that the cell needs?

a)

Mitochondria

b)

Vacuole

c)

Endoplasmic reticulum

d)

Chloroplast

9.

Which of the following is NOT found in prokaryotes?

a)

DNA or the genetic material

b)

A cell membrane

c)

A nucleus

d)

Cytoplasm

10.

Eukaryotic cells contain____.

a)

only ribosomes

b)

Membrane bound organelles

c)

DNA floating in cytoplasm

d)

only cytoplasm

11.

Who discovered "cells" and named them?

a)

Anton Van Leeuwenhoek

b)

Robert Hooke

c)

Lynn Margulis

d)

Rudolph Virchow

12.

Which of the following is the site for protein synthesis?

a)

Cell membrane

b)

Nucleus

c)

Ribosomes

d)

Lysosomes

13.

Which of the following is not part of the cell theory?

a)

All living things are made of cells

b)

Cells come from existing cells

c)

Cells are the basic units of structure and function in all living things s

d)

All cells contain the same organelle

14.

What is the small dark structure in the nucleus that produces ribosomes?

a)

Rough ER

b)

Nucleolus

c)

Smooth ER

d)

Chromatin

15.

The gel-like substance found in all cells is the___.

a)

Centrioles

b)

Cytoskeleton

c)

Chromosomes

d)

Cytoplasm

16.

The folds found inside the mitochondria that give more surface area for energy-releasing processes to take place are referred to as the ____.

a)

Chromosomes

b)

Cilia

c)

Cristae

d)

Cytoskeleton

17.

Which of the following is the sac-like structure involved in secretion, plasma membrane repair, cell signaling, and energy metabolism?

a)

ER

b)

Lysosome

c)

Vacuole

d)

Vesicle

18.

Which organelle are sac-like tunnels that have ribosomes attached and whose main function is to make and process proteins?

a)

smooth endoplasmic reticulum

b)

rough endoplasmic reticulum

c)

golgi apparatus

d)

vesicles

19.

Which of the following is NOT contained in a chloroplast?

a)

DNA

b)

chlorophyll

c)

ribosomes

d)

nucleus

20.

Which of the following organelles is long hollow, beaded tubular structure that facilitates the movement of other cell organelles within the cell through binding proteins?

a)

microtubule

b)

microvilli

c)

microfilament

d)

mitochondria