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Ainsley - Biochem lec (Intro to Carbs)

Total questions: 33

Worksheet time: 18mins

Name
Class
Date
1.

Areas of Biochemistry include, except:

a)

Structural Chemistry

b)

Molecular Genetics

c)

Metabolism

d)

General Biology

2.

Considered as the backbone of Biochemistry.

a)

Organic Chemistry

b)

Inorganic Chemistry

c)

General Chemistry

d)

Analytical Chemistry

3.

The chemistry of process and substances that store and transmit biological information.

a)

Molecular Genetics

b)

Zoology

c)

Botany

d)

Organic Chemistry

4.

True statement/s about Prokaryotes:

a)

Unicellular organisms

b)

Have a nucleus for DNA storage

c)

Multicellular organisms

d)

Encased by a cell wall

5.

Distinct cell parts of a prokaryote include:

a)

Plasma membrane

b)

Pili

c)

Flagella

d)

Ribosomes

6.

An animal cell contains the following cell parts, except:

a)

Lysosomes

b)

Mitochondria

c)

Plasmodesma

d)

Centrosome

7.

A cell part where most of the biochemical reactions happen:

a)

Cytosol

b)

Cytoplasm

c)

Cytoskeleton

d)

Nucleus

8.

Function/s of a cytoskeleton include/s:

a)

Cell movement

b)

Gives cell a shape

c)

Supports the cell mechanically

d)

Attaches the organism to other cells

9.

Biochemical reactions within the Nucleus, include except:

a)

Replication

b)

rRNA synthesis

c)

RNA transcription

d)

Glycolysis

10.

Mitochondria is considered as the cell's powerhouse. It also produces energy in the form of ADP.

a)

Only the first statement is correct.

b)

Only the second statement is correct.

c)

Both statements are correct.

d)

Both statements are incorrect.

11.

The common biochemical reaction happening in chloroplasts.

a)

Biosynthesis

b)

Chloroplasticism

c)

Photosynthesis

d)

Plant metabolism

12.

Smooth ER doesn't have ribosomes. Whereas, the Rough ER does.

a)

Only the first statement is correct.

b)

Only the second statement is correct.

c)

Both statements are correct.

d)

Both statements are incorrect.

13.

Smooth ER is responsible for protein synthesis. On the other hand, rough ER is responsible for lipid synthesis.

a)

Only the first statement is correct.

b)

Only the second statement is correct.

c)

Both statements are correct.

d)

Both statements are incorrect.

14.

The plasma membrane's functions include, except:

a)

Selectively isolates the cell’s contents from the external environment.

b)

Regulates the exchange of essential substances.

c)

Contains almost 99% of the cell DNA.

d)

Communicates with other cells.

15.

What are the main parts of a phospholipid bilayer?

a)

Hydrophilic head

b)

Hydrophobic tails

c)

Hydrophilic tails

d)

Hydrophobic head

16.

Type the following atoms that carbohydrates contain. (All caps, no spaces, only the chemical symbol).

(a)  

17.

Lipids are insoluble in water. But, they are soluble to nonpolar solvents.

a)

Only the first statement is correct.

b)

Only the second statement is correct.

c)

Both statements are correct.

d)

Both statements are incorrect.

18.

Type the following atoms that proteins contain. (All caps, no spaces, only the chemical symbol).

(a)  

19.

What are the types of Nucleic Acids?

a)

DNA

b)

tRNA

c)

PBA

d)

RNA

20.

Considered as the most importance carbohydrate.

a)

Sucrose

b)

Fructose

c)

Glucose

d)

Lactose

21.

Also known as Blood sugar.

a)

Sucrose

b)

Maltose

c)

Starch

d)

Glucose

22.

One of the sources of Carbohydrates is chitin-- which is commonly found in?

a)

Insects

b)

Plants

c)

Fishes

d)

Amphibians

23.

Unhealthy sources of carbohydrates include:

a)

Soda

b)

Pastries

c)

White bread

d)

Milk

24.

Glucose energy is stored in the muscle and liver in what form?

a)

Glycogen

b)

Glucagon

c)

Insulin

d)

Dextrose

25.

Major functions of carbohydrates in the body include, except:

a)

Providing energy

b)

Providing dietary fiber

c)

Artificial sweetener for food

d)

Sparing the use of proteins for energy

26.

Most abundant monosaccharide.

a)

Fructose

b)

Glucose

c)

Dextrose

d)

Table sugar

27.

Structural Isomers have the same chemical formulas but differently arranged atoms.

a)

Not true

b)

Not false

28.

When a number of monosaccharide is combined, what type of polysaccharide is formed?

a)

Heteosaccharides

b)

Heteropolysaccharides

c)

Homooligosaccharides

d)

Homopolysaccharides

29.

What are the reagents that oxidize reducing sugars?

a)

Tollens'

b)

Benedict's

c)

Fehling's

d)

Feeling's

30.

The test that detects aldehyde functions.

a)

Tourette's

b)

Benedict's

c)

Fehling's

d)

Tollens'

31.

The common chain used for skeletal isomerism.

a)

Hydrogen

b)

Carbon

c)

Oxygen

d)

Nitrogen

32.

Odd one out.

a)

Starch

b)

Hyaluronic acid

c)

Glycogen

d)

chitin

33.

Most important oligosaccharides in the human diet include, except:

a)

Starch

b)

Sucrose

c)

Lactose

d)

Maltose