Chapter 7: Introduction to Biology - Biology Mcqs for High School - Grade 9 - Set 8

1)   The cells are also known as

a. units of life
b. structural molecules
c. covalent molecules
d. ionic molecules
Answer  Explanation 

ANSWER: units of life

Explanation:
No explanation is available for this question!


2)   Drastic and long-lasting effects will result in a small change in

a. biotic factors only
b. abiotic factors only
c. environmental factors
d. biotic and abiotic factors
Answer  Explanation 

ANSWER: biotic and abiotic factors

Explanation:
No explanation is available for this question!


3)   The study in which structures and functions of cell and cell organelles are discussed is called

a. cell biology
b. physiology
c. genetics
d. parasitology
Answer  Explanation 

ANSWER: cell biology

Explanation:
No explanation is available for this question!


4)   Coordinating tissues combine to form

a. organs
b. cells
c. tissues
d. organ system
Answer  Explanation 

ANSWER: organs

Explanation:
No explanation is available for this question!


5)   The scientist Bu Ali Sina was born in

a. 908 AD
b. 809 AD
c. 980 AD
d. 890 AD
Answer  Explanation 

ANSWER: 980 AD

Explanation:
No explanation is available for this question!


6)   The tissues by which gastric juice is secreted for proteins digestion are

a. epithelial tissues
b. muscular tissues
c. nervous tissues
d. ground tissues
Answer  Explanation 

ANSWER: epithelial tissues

Explanation:
No explanation is available for this question!


7)   The examples of the multicellular organization are

a. Volvox and amoeba
b. cactus and mustard
c. mustard and frog
d. amoeba and frog
Answer  Explanation 

ANSWER: mustard and frog

Explanation:
No explanation is available for this question!


8)   Grinding of food and the movement of food to posterior end is done by

a. muscular tissue
b. cardiac tissue
c. contracting tissue
d. connective tissue
Answer  Explanation 

ANSWER: muscular tissue

Explanation:
No explanation is available for this question!


9)   The study of the chemistry of different processes and compounds in living organisms is classified as

a. biogeography
b. bio economic
c. anthropology
d. biochemistry
Answer  Explanation 

ANSWER: biochemistry

Explanation:
No explanation is available for this question!


10)   Out of 16 bio elements, 10 makes the total mass percentage which is equal to

a. 0.01
b. 0.02
c. 0.03
d. 0.04
Answer  Explanation 

ANSWER: 0.01

Explanation:
No explanation is available for this question!


11)   The protoplasm of living things is composed of water up to

a. 10%-80%
b. 20%-70%
c. 10%-90%
d. 80%-90%
Answer  Explanation 

ANSWER: 80%-90%

Explanation:
No explanation is available for this question!


12)   The famous scientist Abdul Malik Asmai was born in

a. 740 AD
b. 721 AD
c. 795 AD
d. 980 AD
Answer  Explanation 

ANSWER: 740 AD

Explanation:
No explanation is available for this question!


13)   The stable element formed as a result of bonding between different elements is known as

a. atoms
b. molecules
c. compounds
d. chemical atoms
Answer  Explanation 

ANSWER: molecules

Explanation:
No explanation is available for this question!


14)   The domestic animals include

a. foxes
b. snakes
c. lions and tigers
d. sheep and cattle
Answer  Explanation 

ANSWER: sheep and cattle

Explanation:
No explanation is available for this question!


15)   The function of connective tissue is to provide

a. support
b. movement
c. food
d. water
Answer  Explanation 

ANSWER: support

Explanation:
No explanation is available for this question!


16)   Biomolecule having low molecular weight is known as

a. micro molecule
b. macro molecules
c. compounds
d. complex molecule
Answer  Explanation 

ANSWER: micro molecule

Explanation:
No explanation is available for this question!


17)   The vegetative parts of the mustard plant are

a. roots
b. stem
c. branches and leaves
d. all of above
Answer  Explanation 

ANSWER: all of above

Explanation:
No explanation is available for this question!


18)   Animals which are made up of more than one cells are called

a. unicellular
b. multicellular
c. autotrophic
d. heterotrophic
Answer  Explanation 

ANSWER: multicellular

Explanation:
No explanation is available for this question!


19)   According to Dr. Abdu's Salam, scientific knowledge is the common heritage of

a. human
b. mankind
c. animal
d. living things
Answer  Explanation 

ANSWER: mankind

Explanation:
No explanation is available for this question!


20)   The kind of cellular organization in which cells are organized in the form of organs, tissues and organ systems is called

a. multicellular organization
b. unicellular organization
c. colonial organization
d. all of above
Answer  Explanation 

ANSWER: multicellular organization

Explanation:
No explanation is available for this question!