ICSE Class 11 Biology by Pavan | Practice Test to Test Your Knowledge
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ICSE Class 11 Biology

ICSE Class 11 Biology

Detailed mock test on Cell Biology, Plant and Animal Kingdom, and Human Physiology. Features diagram-based questions and conceptual problems.

2025-07-19
Pavan Pavan
ICSE Class 11 Biology Grade 11

Duration

30 min

Questions

30

Marking

Negative

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Questions Preview

What is the primary characteristic that distinguishes living organisms from non-living ones?

A
Ability to grow and reproduce
B
Ability to move
C
Presence of cells
D
Presence of a nervous system

Why is classification of living organisms important?

A
To make it easier to study them
B
To understand their evolutionary relationships
C
To organize biological knowledge systematically
D
All of the above

Which of the following is NOT one of the three domains of life?

A
Bacteria
B
Eukarya
C
Protista
D
Archaea

What does taxonomy study?

A
The classification of organisms
B
The habitat of organisms
C
The reproductive system of organisms
D
The molecular composition of organisms

What is binomial nomenclature?

A
A system of naming organisms using two words
B
A system of classifying organisms into two groups
C
A method of determining the evolutionary history of organisms
D
A method used in the classification of viruses

Which of the following is used as a tool for the study of taxonomy?

A
Botanical gardens
B
Zoological parks
C
Herbaria
D
All of the above

What is the five-kingdom classification of living organisms based on?

A
Their mode of nutrition, structure, and reproduction
B
Their evolutionary history
C
Their habitat
D
Their size

Which kingdom includes organisms like bacteria and blue-green algae?

A
Monera
B
Fungi
C
Plantae
D
Animalia

Which of the following is NOT a feature of Fungi?

A
They are multicellular organisms
B
They absorb nutrients through photosynthesis
C
They have a cell wall made of chitin
D
They reproduce by spores

What is a lichen?

A
A symbiotic association between fungi and algae
B
A type of fungi
C
A type of plant
D
A type of virus

Which of the following is true about viruses?

A
They are living organisms
B
They do not have a cellular structure
C
They can reproduce without a host
D
They are classified in the kingdom Animalia

What is the basic unit of classification in taxonomy?

A
Kingdom
B
Species
C
Family
D
Genus

What is the taxonomical hierarchy in classification?

A
Kingdom > Phylum > Class > Order > Family > Genus > Species
B
Kingdom > Order > Phylum > Class > Family > Genus > Species
C
Class > Kingdom > Order > Phylum > Family > Genus > Species
D
Species > Genus > Family > Order > Phylum > Class > Kingdom

What is the concept of species in biological classification?

A
A group of organisms that can interbreed and produce fertile offspring
B
A group of organisms that live in the same habitat
C
A group of organisms that have the same appearance
D
A group of organisms that have the same diet

What is the body plan of animals with a blind-sac digestive system?

A
A single opening for both ingestion and egestion
B
A body plan with two openings, one for ingestion and one for egestion
C
A tube-within-tube body plan
D
A body plan with no digestive system

What is the symmetry of an animal that can be divided into two equal halves in any plane?

A
Radial symmetry
B
Bilateral symmetry
C
Spherical symmetry
D
Asymmetry

What is the coelom in animals?

A
A fluid-filled body cavity
B
The digestive cavity
C
A type of muscle tissue
D
The outer layer of skin

Which of the following types of coelomates lacks a body cavity?

A
Acoelomates
B
Pseudocoelomates
C
Coelomates
D
Haemocoelomates

Which of the following represents bilateral symmetry?

A
Symmetry where the body can be divided into two equal halves by only one plane
B
Symmetry where the body can be divided into equal halves by multiple planes
C
Symmetry where the body has no symmetry
D
Symmetry where the body can be divided into two equal halves by multiple planes

What is a pseudocoelomate?

A
An animal that has a false body cavity between the digestive tract and the body wall
B
An animal that has a true body cavity
C
An animal that lacks a body cavity
D
An animal that has a segmented body

What type of symmetry does an organism with a spherical body have?

A
Spherical symmetry
B
Radial symmetry
C
Bilateral symmetry
D
Asymmetry

What is the main feature of a diploblastic animal?

A
It has two germ layers: ectoderm and endoderm
B
It has three germ layers
C
It has no germ layers
D
It has a true coelom

What is a triploblastic animal?

A
An animal that has three germ layers: ectoderm, mesoderm, and endoderm
B
An animal that has two germ layers
C
An animal that has no germ layers
D
An animal that has a body cavity

What does segmentation in animals refer to?

A
The division of the body into repeated segments
B
The body being divided into two halves
C
The presence of multiple body cavities
D
The presence of a segmented skeleton

What is the characteristic feature of coelomates?

A
They have a true body cavity lined by mesoderm
B
They lack a body cavity
C
They have a false body cavity
D
They have a body cavity formed from ectoderm

What is the main characteristic of animals with radial symmetry?

A
They can be divided into multiple equal parts by several planes passing through the center
B
They can only be divided into two equal parts
C
They have no symmetry
D
They can be divided into two equal halves by a single plane

What is the significance of the coelom in animals?

A
It provides space for the internal organs
B
It aids in digestion
C
It helps in the exchange of gases
D
It helps in the circulation of blood

What type of coelom do pseudocoelomates have?

A
A false body cavity between the digestive tract and body wall
B
A true coelom lined with mesoderm
C
No body cavity
D
A body cavity with a haemocoel

What is the primary distinction between acoelomates and coelomates?

A
Acoelomates have no body cavity, while coelomates have a true body cavity
B
Acoelomates have a false body cavity, while coelomates have no body cavity
C
Acoelomates have a pseudocoelom, while coelomates have a true coelom
D
Acoelomates and coelomates are essentially the same

Which of the following animals is an example of a triploblastic animal?

A
Human
B
Jellyfish
C
Coral
D
Hydra