Biology Online Quiz Test 12

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Biology Online Quizzes

Biology Quiz Test 12 test contains multiple-choice questions with answers for competitive exam preparation. We have provided Biology online quizzes below which include questions related to different topics.

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Biology Quiz Test 12

A group of similar cells that perform a specific function is?
(A) Organ
(B) Tissues
(C) Organelle
(D) Organ System

Answer
Tissues

Two or more populations of different species living and interacting in the same area form?
(A) Biosphere
(B) Community
(C) Population System
(D) Ecosystem

Answer
Community

Various tissue types combine to make up?
(A) Cells
(B) Organs
(C) Organ System
(D) Organelles

Answer
Organs

Functional unit of DNA Is?
(A) Nucleus
(B) Genes
(C) Chromosomes
(D) Nucleolus

Answer
Genes

Organelles are?
(A) Unicellular structures
(B) Multi-cellular structures
(C) Sub-cellular structures
(D) Non-cellular structures

Answer
Sub-cellular structures

With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the?
(A) Cells
(B) Tissues
(C) Organs
(D) Organ System

Answer
Cells

Human blood is an example of?
(A) Organelle
(B) Tissues
(C) Organic compound
(D) Inorganic compounds

Answer
Tissues

The molecules of living matter that provide building blocks are mostly based on?
(A) Carbon
(B) Nitrogen
(C) Hydrogen
(D) Ammonia

Answer
Carbon

The branch in which organism’s life cycle, mode of transmission and interaction with their hosts are studied is?
(A) Anatomy
(B) Physiology
(C) Parasitology
(D) Social Biology

Answer
Parasitology

The branch of Biology which deals with the use of data and techniques of engineering & technology concerning living organisms is?
(A) Human Biology
(B) Environmental Biology
(C) Genetics
(D) Bio-technology

Answer
Bio-technology

The Study of organisms inhabiting the sea and Ocean and the physical and chemical characteristics of their environment is?
(A) Social Biology
(B) Marine Biology
(C) Environmental Biology
(D) Fresh Water Biology

Answer
Marine Biology

Earthworm is included in?
(A) Kingdom Plantae
(B) Kingdom Protoctista
(C) Kingdom Monera
(D) Kingdom Animalia

Answer
Kingdom Animalia

Kingdom Fungi includes?
(A) A cellular, eukaryotic organisms
(B) Non-chlorophylls, multicellular eukaiyotlc organisms
(C) Non-chlorophylls, multicellular,thailophytic organisms
(D) both B and C

Answer
both B and C

Kingdom Protoctista includes?
(A) Fungi
(B) Prokaryotes
(C) protists
(D) Piantae

Answer
protists

According to modern system of taxonomy, living organisms have been classi?ed into?
(A) Three Kingdoms
(B) Five Kingdoms
(C) Two Kingdoms
(D) Six Kingdoms

Answer
Five Kingdoms

The word biology has been derived from what language?
(A) Latin
(B) English
(C) Greek
(D) French

Answer
Greek

The scientific study of livings is called?
(A) Anatomy
(B) Zoology
(C) Geology
(D) Biology

Answer
Biology

Water has maximum density at?
(A) 0°C
(B) 4°C
(C) 4° K
(D) 4.8°C

Answer
4°C

Which is the largest gland in the human body?
(A) Thyroid
(B) Pancreas
(C) Liver
(D) None of these

Answer
Liver

Tibia is a bone found in the?
(A) Skull
(B) Face
(C) Arm
(D) Leg

Answer
Leg

Which of the following Vitamin is required for Normal Blood Circulation ?
(A) Vitamin A
(B) Vitamin B
(C) Vitamin K
(D) None of these

Answer
Vitamin K

pH value of water is
(A) 6.5-8.5
(B) 8
(C) 7
(D) None of these

Answer
6.5-8.5

pH value of Blood or Red Blood Cells ?
(A) 5
(B) 6
(C) 7.35-7.45
(D) None of these

Answer
7.35-7.45

The blood pressure is denoted as following?
(A) Systolic Pressure / Diastolic Pressure
(B) Diastolic Pressure / Systolic Pressure
(C) Venous Pressure / Systolic Pressure
(D) None of these

Answer
Systolic Pressure / Diastolic Pressure

Nutrition in fungi is
(A) Chemosynthetic
(B) Completely parasitic
(C) Absorptive heterotrophs
(D) None of these

Answer
Absorptive heterotrophs

Which disease has been totally eradicated from the world because of effective vaccination?
(A) Measles
(B) Polio
(C) Hepatitis
(D) Small pox

Answer
Small pox

Pigment present in red algae is
(A) fucoxanthin
(B) phycocyanin
(C) phycoerythrin
(D) None of these

Answer
phycoerythrin

Vaccine was first developed by
(A) Louis Pasture
(B) Edward Jenner
(C) Aristotle
(D) None of these

Answer
Edward Jenner

The major cell infected by the HIV is lymphocyte ?
(A) Helper T
(B) Helper B
(C) Both A and B
(D) None of these

Answer
Helper T

Which disease can be controlled by vaccination?
(A) Measles
(B) Cancer
(C) Heart attacks
(D) Diabetes

Answer
Measles

Smallest disease causing agents in plants are ?
(A) Virion
(B) mycoplasma
(C) Viriods
(D) Prions

Answer
Viriods

What is the mode of transmission of Hepatitis virus?
(A) Parentral (via blood)
(B) Skin penetration
(C) Aerosol
(D) None of these

Answer
Parentral (via blood)

Protein factory is
(A) Ribosome
(B) Mitochondria
(C) Golgi complex
(D) None of these

Answer
Ribosome

A series of hypothesis supported by the results of many tests is called ?
(A) Scientific law
(B) Theory
(C) Data
(D) Deduction

Answer
Theory

Which is an organic compound found in most cells ?
(A) Water
(B) Glucose
(C) Oxygen
(D) None of these

Answer
Glucose

Biological sciences have a set methodology and it is based on ?
(A) Experimental inquiry
(B) Esthetic preference
(C) Philosophical ideas
(D) None of these

Answer
Experimental inquiry

Proteins are made from amino acids by the process of
(A) Hydrolysis
(B) Dehydration synthesis
(C) Active transport
(D) None of these

Answer
Dehydration synthesis

umber of chromosomes in E.coli ?
(A) 1
(B) 4
(C) 6
(D) 8

Answer
1

Astronauts may use which technique to grow fruits and vegetables ?
(A) Hydroponic culture technique
(B) Tissue culture technique
(C) Cloning
(D) None of these

Answer
Hydroponic culture technique

Messenger RNA is formed in
(A) A nucleus
(B) chloroplast
(C) Mitochondria
(D) None of these

Answer
A nucleus

Production of genetically identical copies of organisms/cells by asexula reproduction is called ?
(A) Mitosis
(B) Replication
(C) Cloning
(D) None of these

Answer
Cloning

Co-enzyme is often formed from ?
(A) lipid
(B) Protein
(C) Vitamin
(D) None of these

Answer
Vitamin

Breeders have developed new and better varieties of food items by using which technique?
(A) Pasteurization
(B) Hydroponic culture technique
(C) Genetic engineering
(D) Biological control techniques

Answer
Genetic engineering

Starch is converted into maltose by?
(A) invertase
(B) diastase
(C) amylase
(D) None of these

Answer
diastase

Which one is not correct for a productive theory
(A) It is predictive
(B) It has explanatory power
(C) It discourages suggestion of different hypotheses
(D) None of these

Answer
It discourages suggestion of different hypotheses

Conclusion of Mendels work latter became a
(A) Scientific hypothesis
(B) Theory
(C) Scientific law
(D) None of these

Answer
Scientific law

Which are the four most abundant elements in living cells ?
(A) carbon, oxygen, nitrogen, sulfur
(B) carbon, oxygen, hydrogen, nitrogen
(C) carbon, oxygen, sulfur, phosphorus
(D) None of these

Answer
carbon, oxygen, hydrogen, nitrogen

Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?
(A) Concentration of water molecules inside and outside the cell
(B) Concentration of enzymes on either side of the cell membrane
(C) Rate of molecular motion on either side of the cell membrane
(D) None of these

Answer
Concentration of water molecules inside and outside the cell

The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
(A) Environmental biologist
(B) Social biologist
(C) Paleontologist
(D) None of these

Answer
Paleontologist

Most cell membranes are composed principally of ?
(A) DNA and Protein
(B) Protein and Lipids
(C) Protein and chitin
(D) None of these

Answer
Protein and Lipids

A large regional community primarily determined by climate is called ?
(A) Community
(B) Population
(C) Biome
(D) None of these

Answer
Biome

Which of the following pathogen type cause disease that can be treated with antibiotics ?
(A) Bacteria
(B) Fungi
(C) Virus
(D) None of these

Answer
Bacteria

Different species of plants and animals living in the same habitat is called?
(A) Population
(B) Community
(C) Biome
(D) None of these

Answer
Community

The evaporative cooling in the respiratory tract of dogs is called
(A) Vasoconstriction
(B) Vasodilation
(C) Panting
(D) None of these

Answer
Panting

Group of living organisms of the same species living in the same place at the same time is called ?
(A) Community
(B) Ecosystem
(C) Population
(D) Biome

Answer
Population

Production of sweat and sebum is related with ?
(A) Liver
(B) Skin
(C) Lungs
(D) GIT

Answer
Skin

In animals coordination is achieved by means of?
(A) Nervous system
(B) Endocrine system
(C) Respiratory system
(D) Both A and B

Answer
Both A and B

Haemodialysis means cleaning of
(A) Urine
(B) Blood
(C) Glomerular filtrate
(D) None of these

Answer
Blood

A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:
(A) An organ
(B) A molecule
(C) A tissue
(D) None of these

Answer
A tissue

Which one of them is a micro-molecule?
(A) Polysaccharides
(B) Protein
(C) Hemoglobin
(D) ATP

Answer
ATP

The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called
(A) An organ
(B) A molecule
(C) tissue
(D) None of these

Answer
A molecule

Oxygen accounts for ____ % of totals human body mass?
(A) 65%
(B) 18%
(C) 20%
(D) None of these

Answer
65%

___________ are needed as a source of energy for the vital activities of the body?
(A) Calcium
(B) Iron
(C) Water
(D) Carbohydrates

Answer
Carbohydrates

Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
(A) 6
(B) 16
(C) 18
(D) 24

Answer
16

__________ is essential for the formation of hemoglobin
(A) Calcium
(B) Iron
(C) Carbohydrates
(D) None of these

Answer
Iron

The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called ?
(A) Social biology
(B) Human bio2
(C) Environmental biology
(D) None of these

Answer
Social biology

A group of very similar inter breeding organisms constitutes?
(A) Biosphere
(B) Ecosystem
(C) Population
(D) Species

Answer
Species

Various tissue types combine to make up
(A) Cells
(B) Organelle
(C) Organ system
(D) Organs

Answer
Organs

Functional unit of DNA Is
(A) Nucleus
(B) Genes
(C) Chromosomes
(D) None of these

Answer
Genes

Organelles are_______________?
(A) Unicellular structures
(B) Multi-cellular structures
(C) Sub-cellular structures
(D) Non-cellular structures

Answer
Sub-cellular structures

With different chemical arrangements and formation Of complex molecules, the life emerges on the level of the ?
(A) Cells
(B) Organelle
(C) Tissue
(D) None of these

Answer
Cells

Human blood is an example of
(A) Organelle
(B) Tissues
(C) Organic compounds
(D) Inorganic compounds

Answer
Tissues

The molecules of living matter that provide building blocks are mostly based on
(A) Nitrogen
(B) Carbon
(C) Ammonia
(D) None of these

Answer
Carbon

Kingdom Fungi includes
(A) Non-chlorophylls, multicellular eukaiyotlc organisms
(B) Non chlorophylls, multioellular,thailophytic organisms
(C) Non chlorophylls, multioellular,thailophytic
(D) None of these

Answer
Non chlorophylls, multioellular,thailophytic organisms

Kingdom Protoctista includes
(A) Fungi
(B) Prokaryotes
(C) Piantae
(D) protists

Answer
protists

According to modern system of taxonomy, living organisms have been classified into?
(A) Five Kingdoms
(B) Four Kingdoms
(C) Three Kingdoms
(D) None of these

Answer
Five Kingdoms

The word BIOLOGY has been derived from_________ word?
(A) English
(B) Greek
(C) French
(D) Latin

Answer
Greek

The scientific study of livings is called?
(A) Anatomy
(B) Biology
(C) Physics
(D) Chemistry

Answer
Biology

Which is the largest gland in the human body?
(A) Thyroid
(B) Liver
(C) Pancreas
(D) None of these

Answer
Liver

Tibia is a bone found in the
(A) Skull
(B) Arm
(C) Face
(D) Ieg

Answer
Leg

About __________ of the body weight of a mammal is water ?
(A) 60%
(B) 75%
(C) 70%
(D) 65%

Answer
70%

The study of fossils is called?
(A) Historical biology
(B) Environmental Biology
(C) Palaeontology
(D) Social biology

Answer
Palaeontology

The average internal temperature of human body is
(A) 35 °C
(B) 36 °C
(C) 37 °C
(D) 38 °C

Answer
37 °C

Which Vitamin is needed for the formation of a light-sensitive pigment in the retina.
(A) Vitamin C
(B) Vitamin A
(C) Vitamin D
(D) None of these

Answer
Vitamin A

People living in high altitudes (like mountains) usually have a
(A) smaller number of Red Blood Cells
(B) larger number of Red Blood Cells
(C) smaller number of White Blood cells
(D) larger number of White Blood Cells

Answer
larger number of Red Blood Cells

Crop rotation helps in
(A) Growth of pathogens
(B) Eradication of disease
(C) Soil Infertility
(D) Slowing of crops growth

Answer
Eradication of disease

Dolly, the sheep was a highly successful clone from a somatic cell, reported back in
(A) 1996
(B) 1993
(C) 1995
(D) 1994

Answer
1996

An educated guess is called
(A) Accumulated data
(B) Observation
(C) Hypothesis
(D) Conclusion

Answer
Hypothesis

The Science of growing terrestrial plants in an aerated solution is
(A) Hydrodynamics
(B) Hydroponics
(C) Hydroponics
(D) None of these

Answer
Hydroponics

What is viticulture?
(A) Cultivation of Grapes
(B) Growing small plants
(C) Growing tobacco
(D) Cultivation of spices

Answer
Cultivation of Grapes

Which one of these stores more data than a DVD ?
(A) CD Rom
(B) Floppy
(C) Blue Ray Disk
(D) Red Ray Disk

Answer
Blue Ray Disk

Computer Moniter is also known as
(A) DVU
(B) UVD
(C) VDU
(D) CCTV

Answer
VDU

Identify the device through which data and instructions are entered into a computer
(A) Software
(B) Input device
(C) Memory
(D) Output device

Answer
Input device

Name of the screen that recognizes touch input is
(A) Recog screen
(B) Touch Screen
(C) Point Screen
(D) Android Screen

Answer
Touch Screen

The toxicity of which of the heavy metals leads to liver cirrhosis?
(A) Copper
(B) Lead
(C) Mercury
(D) Zinc

Answer
Copper

BCG immunisation is for
(A) Measles
(B) Tuberculosis
(C) Diptheria
(D) Leprosy

Answer
Tuberculosis

Insufficient supply of blood in human body is referred as
(A) Ischemia
(B) Hemostasis
(C) Hyperemia
(D) Haemorrhage

Answer
Ischemia

Febries are what kind of cells ?
(A) Chloroplast
(B) Collenchymatous
(C) Sclerenchymatous
(D) Parenchymatous

Answer
Sclerenchymatous

Which pollutant may lead to Black foot disease?
(A) Cd
(B) Hg
(C) As
(D) Cu

Answer
As

Pollination is best defined as
(A) Trasfer of pollen from another to stigma
(B) Germination of pollen grains
(C) Growth of pollen tube in ovule
(D) Visiting flowers by insects

Answer
Trasfer of pollen from another to stigma

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