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QUICK EXERCISE

Total questions: 36

Worksheet time: 56mins

Name
Class
Date
1.

Water is a universal solvent due to its

a)

Low viscosity

b)

Polar molecules

c)

High specific heat capacity

d)

High latent heat of vaporization

2.

Water carries out all the following functions in life, EXCEPT

a)

Lubricant

b)

Cooling agent

c)

Source of carbon

d)

Chemical reagent

3.

Water has a high specific heat capacity because

a)

It can ionized

b)

It is a poor insulator

c)

Hydrogen bonds must be broken to raise its temperature by 1°C

d)

Covalent bonds must be broken to raise its temperature by 1°C

4.

Leaves of plants pull water upwards from the roots. Which property of water explain this

a)

water is universal solvent

b)

water has low viscosity

c)

water has higher surface tension (cohesive and adhesive force)

d)

water has maximum density at 4 °C

5.

Which of the following is possible due to the high surface tension of water?

a)

Water can acts as solvent

b)

Iced is form at low temperature

c)

A water strider can walk on water

d)

lakes do not freeze solid during winter

6.

How many water molecules can bind with one water molecule?

a)

1

b)

2

c)

3

d)

4

7.

Which of the following statements about carbohydrates is NOT true?

a)

Monosaccharide also known as simple sugar

b)

Monosaccharide can be joined together with peptide bonds

c)

Cellulose and galactose are carbohydrates

d)

Disaccharides are formed through the process of condensation.

8.

Identify this structure of carbohydrate

a)

α-glucose

b)

β-glucose

9.

How many fatty acid molecules are present in a triglyceride molecule?

a)

1

b)

2

c)

3

d)

4

10.

Triglycerides are formed from the condensation of

a)

Three molecules of glycerol and one molecule of fatty acid

b)

Three molecules of fatty acid and one molecule of glycerol

c)

Three molecules of fatty acid and three molecules of glycerol

d)

One molecule of fatty acid and one molecule of glycerol.

11.

The 20 different amino acids found in polypeptides exhibit different chemical and physical properties because of different

a)

Carboxyl group attached to an α-carbon

b)

Amino groups attached to an α-carbon

c)

Side chain

d)

α- carbon

12.

This amino acid belongs to which group?

a)

Acidic

b)

Basic

c)

Polar

d)

Non-polar

13.

Ribose and deoxyribose are

a)

Nucleotides

b)

Disaccharides

c)

Pentose sugars

d)

Nitrogenous bases

14.

Below are the characteristics of RNA nucleotide EXCEPT..

a)

Four bases are Adenine, Guanine, Cytosine, Uracil

b)

Pentose sugar is deoxyribose

c)

Pentose sugar is ribose

d)

Consists of OH group at carbon no 2 of pentose sugar

15.

Which of the following is a characteristic of a prokaryotic cell?

a)

Cellulose cell wall

b)

Lack of nucleus

c)

has mitochondrion

d)

has large subunit (80S) ribosome

16.

Some cellular structures are listed below:

P: Cell membrane R: Cytoplasm

Q: Cellulose cell wall S: Vacuole


Which structures occur ONLY in plant cells?

a)

P and Q

b)

P and S

c)

Q and R

d)

Q and S

17.

Some cellular structures are listed below:

T: Chloroplast V: Lysosome

U: Centrioles W: Plasmodesmata


Which structures occur ONLY in animal cells?

a)

T and U

b)

T and W

c)

U and V

d)

U and W

18.

Characteristics of Organelle M are listed below:

1)Involve in intracellular transport proteins

2) have ribosome attached to its surface


Identify Organelle M

a)

Golgi body

b)

Lysosome

c)

Smooth ER

d)

Rough ER

19.

Which of the following is NOT TRUE about mitochondria and chloroplast?

a)

Both are capable to ATP synthesis

b)

Both possess their own DNA

c)

Both are surrounded by a double membrane

d)

Both capture the energy of sunlight to carry out metabolic functions

20.

Which label indicates hydrophobic properties of phospholipid?

a)

A

b)

B

c)

C

d)

D

21.

Which structure performs enzyme activity and attachment to cytoskeleton?

a)

A

b)

B

c)

C

d)

D

22.

Which of the structures act as "cell marker" for cell-cell recognition?

a)

A

b)

B

c)

C

d)

D

23.

Which of the following pairs is mismatched?

a)

Ribosomes - site of protein synthesis

b)

Mitochondrion - site of sugar production

c)

Smooth ER - detoxification of drugs in liver cells

d)

Golgi body - Process and packaging proteins for secretion

24.

Which of the following is CORRECTLY matched?

a)

Simple squamous epithelium -lining of kidney tubules

b)

Simple cuboidal epithelium - lining of digestive tract

c)

Simple columnar epithelium – lining of alveoli

d)

Simple squamous epithelium -Lining of alveoli

25.

Where can this tissue be found in human body?

a)

Heart

b)

Limbs

c)

Brain

d)

Intestine

26.

Listed below are characteristics of plant tissue X. What is tissue X?

1) Consist of dead cells with empty lumens

2) Lignified cell walls

3) Have pits in their walls

a)

Xylem

b)

Phloem

c)

Collenchyma

d)

Sclerenchyma

27.

Certain cells in liver ingest bacteria and various kinds of debris from damaged cells.

This is most likely accomplished by

a)

Passive transport

b)

Facilitated diffusion

c)

Endocytosis

d)

Exocytosis

28.

Which of the following substances does NOT pass through the cell via membrane

proteins?

a)

Glucose

b)

Carbon dioxide

c)

Sodium ion

d)

Amino acids

29.

Erythrocyte become haemolysed when immersed in a solution that is

a)

hypotonic to the cell

b)

hypertonic to the cell

c)

isotonic to the cell

d)

more negative than the cell content

30.

The events in the cell cycle that are in the CORRECT order is

a)

Chromosome align at equator, centrioles attach at spindle fibers, cytokinesis, nuclear envelope reappears.

b)

Interphase, centrioles move to opposite poles, anaphase, chromosome decondense

c)

Interphase, sister chromatids completely separated, centrioles attach to the spindle fibers, cytokinesis.

d)

Chromosomes condense, DNA replication occurs, nuclear membrane breaks down, telophase

31.

The phase of cell division in which t he nuclear envelope and nucleolus are disappearing is called

a)

Metaphase

b)

Telophase

c)

Anaphase

d)

Prophase

32.

All of the following occur during prophase of mitosis in animal cells EXCEPT

a)

The centrioles move toward opposite poles

b)

Chromosomes are duplicated

c)

The nucleolus can no longer be seen

d)

The spindle starts to form

33.

The significance of mitosis in human are:

I. Increase genetic variation

II. Repair of damaged tissue

III. Growth

IV. Gamete production

a)

I and II

b)

II and III

c)

I and III

d)

III and IV

34.

Immediately after telophase I of meiosis, the chromosomal makeup of each daughter cell is

a)

Diploid, and the chromosomes are composed of a single chromatid

b)

Diploid, and the chromosomes are composed of the two chromatids

c)

Haploid, and the chromosomes are composed of a single chromatid

d)

Haploid, and the chromosomes are composed of two chromatids

35.

All of the following are functions of meiosis in plants EXCEPT

a)

Production of spores

b)

Reduction of chromosome number by half

c)

Production of identical daughter cells

d)

Independent assortment of chromosomes

36.

Which of the following happens at the completion of meiosis I?

a)

Homologous chromosomes are separated

b)

The chromosome number is remained the same

c)

Sister chromatids are separated

d)

Four daughter cells are formed

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