Chapter 1: Biodiversity - Biology Mcqs for High School - Grade 9 - Set 8

1)   When a species is at risk of extinction soon it is said to be

a. endangered
b. extinct
c. distinct
d. threatened
Answer  Explanation 

ANSWER: threatened

Explanation:
No explanation is available for this question!


2)   Considering the biodiversity, the animals can be classified as

a. fauna
b. flora
c. sativum
d. pisum
Answer  Explanation 

ANSWER: fauna

Explanation:
No explanation is available for this question!


3)   The causes of extinction include

a. deforestation
b. overhunting
c. habitat loss
d. all of above
Answer  Explanation 

ANSWER: all of above

Explanation:
No explanation is available for this question!


4)   The extinction of any animal from the ecosystem harms it

a. cycle
b. chain
c. stability
d. quality
Answer  Explanation 

ANSWER: stability

Explanation:
No explanation is available for this question!


5)   The name of the family to which humans belongs is

a. thysanura
b. hemiptera
c. homoptera
d. hominidae
Answer  Explanation 

ANSWER: hominidae

Explanation:
No explanation is available for this question!


6)   The Euglena is considered a plant because of the presence of

a. chloroplasts and cell wall
b. stems and leaves
c. roots and shoots
d. chlorophyll
Answer  Explanation 

ANSWER: chlorophyll

Explanation:
No explanation is available for this question!


7)   The infectious particles made up of circular RNA only and can cause diseases in certain plants are called

a. prions
b. chlorophyll ions
c. heterotrophs ions
d. autotrophs ions
Answer  Explanation 

ANSWER: chlorophyll ions

Explanation:
No explanation is available for this question!


8)   The scientist Andrea Caesalpino divided plants into fifteen groups and classified as each group as

a. taxon
b. phylum
c. taxa
d. genera
Answer  Explanation 

ANSWER: genera

Explanation:
No explanation is available for this question!


9)   Fungi feed on

a. organic material
b. inorganic material
c. dead plants
d. dead animals
Answer  Explanation 

ANSWER: organic material

Explanation:
No explanation is available for this question!


10)   The class name to which pea plant belongs is

a. magnoliopsida
b. araneae
c. diplura
d. dermaptera
Answer  Explanation 

ANSWER: magnoliopsida

Explanation:
No explanation is available for this question!


11)   The cellular organization of monerans is

a. unicellular
b. multicellular
c. colonial
d. none of above
Answer  Explanation 

ANSWER: unicellular

Explanation:
No explanation is available for this question!


12)   The singular of taxa is

a. axons
b. taxa
c. taxon
d. tax
Answer  Explanation 

ANSWER: taxon

Explanation:
No explanation is available for this question!


13)   Some of the prokaryotic cells contain in their cells

a. water
b. chitin
c. chlorophyll
d. oxygen
Answer  Explanation 

ANSWER: chlorophyll

Explanation:
No explanation is available for this question!


14)   Removal or one issue or invasion of another issue affects the whole

a. biological system
b. community
c. population
d. ecosystem
Answer  Explanation 

ANSWER: biological system

Explanation:
No explanation is available for this question!


15)   The 'Allium cepa' is a scientific name which is used for

a. carrot
b. ginger
c. onion
d. garlic
Answer  Explanation 

ANSWER: onion

Explanation:
No explanation is available for this question!


16)   The biologist who proposed a classification based on five kingdoms is

a. Louis Pasteur
b. Stephen Jay
c. Robert Whittaker
d. Ernst Haeckel
Answer  Explanation 

ANSWER: Robert Whittaker

Explanation:
No explanation is available for this question!


17)   The humans belong to the kingdom named

a. fungi
b. animalia
c. plantae
d. protists
Answer  Explanation 

ANSWER: animalia

Explanation:
No explanation is available for this question!


18)   The family name to which pea plant belongs is

a. diplura
b. straminipila
c. eumycota
d. fabaceae
Answer  Explanation 

ANSWER: fabaceae

Explanation:
No explanation is available for this question!


19)   The number of groups in which organisms were divided by Aristotle is

a. five
b. two
c. three
d. four
Answer  Explanation 

ANSWER: two

Explanation:
No explanation is available for this question!


20)   Chiltan Markhor has the only habitat left in

a. Hazarganji national park
b. Jurassic park
c. murghzaar park
d. animal park
Answer  Explanation 

ANSWER: Hazarganji national park

Explanation:
No explanation is available for this question!