Biology Mcqs – (Science) MCQs Latest For FPSC, PPSC, NTS, KPPSC, SPSC & Other Tests
“ Biology Mcqs “. Tab this page to check “Latest Biology MCQs” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others. The most occurred mcqs of Biology in past papers. Past papers of Biology mcqs. Past papers of Biology MCQs. Biology Mcqs are the necessary part of any competitive / job related exams. The Biology mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Biology mcqs. The Important series of Biology Mcqs are given below:
In human body 99% of total mass is formed of_____________?
A. 12 Bio-elements
B. 16 Bio-elements
C. 10 Bio-elements
D. 6 Bio-elements
Nitrogen is present in___________?
A. lipids
B. proteins
C. carbohydrates
D. carbonates
Biological organization is_____________?
A. advance
B. simple
C. complex
D. highly complex
Operculum is present in_____________?
A. bony fish
B. cartilaginous fish
C. sea fish
D. none of these
The arrangement of ________ speaks of the division of labour within cell?
A. Subatomic particles
B. Molecule
C. Atoms
D. Organelles
In which animal respiratory surface are found in more than one organ?
A. human
B. birds
C. fish
D. frog
Communities are ________ collection of organisms?
A. May be static or dynamic
B. Dynamic
C. Static
D. None of these
The heart is enclosed in a membrane called________?
A. peritoneum
B. pericardium
C. pleura
D. epithelium
The number of species of organisms currently known to science is?
A. 35000
B. 3500000
C. 2500000
D. 25000000
From right ventricle blood is pushed into?
A. pulmonary trunk
B. aorta
C. brain
D. body
What is the branch of biology in which structure and function of tissues are studied___________?
A. Taxonomy
B. Cell Biology
C. Histology
D. Morphology
Biometry is the application of_______ in biology.
A. Matrix
B. Statistics
C. Algebra
D. Geometry
Study of insects is called_________?
A. Parasitology
B. Immunology
C. Entomology
D. Paleontology
The term biology was introduced in__________ in 1800?
A. Germany
B. Italy
C. Turkey
D. Japan
Which of the following is the basic unit of classification___________?
A. Species
B. Family
C. Genus
D. Order
Euglena belongs to the kingdom___________?
A. Monera
B. Fungi
C. Protista
D. Non of them
Viruses are considered living organisms because__________?
A. They occur in plants and animals
B. They can be crystallized
C. They are microscopic
D. They contain DNA and can be reproduced
All of the following are elements that plants need in very small amounts except___________?
A. Chlorine
B. Hydrogen
C. Iron
D. Copper
Capillaries are the example of_________?
A. Organ System
B. Organ
C. Cell
D. Tissue
Who discovered the living cell first time?
A. Rudolf virchow
B. Robert hooke
C. Robert brown
D. Antoni van leeuwenhoek
Amoeba can move with the help of?
A. Water
B. Pseudopodia
C. Flagella
D. Cilia
Who is Called the Father of Demography?
A. John Dalton
B. ALAN Turing
C. Charles Babbage
D. IBN KHALDUN
The one which is present in all living things
A. Cell membrane
B. DNA or RNA
C. Cell nucleus
D. Vacuole
The study of nature is called__________?
A. Science
B. Molecule
C. Atom
D. Element
Animals that eat plants are called___________________?
A. Herbivores
B. Carnivores
C. Consumer
D. Omnivores
_____________________ contains the green chemical called chlorophyll.
A. Cell membrane
B. Cytoplasm
C. Chloroplasts
D. Vacuole
_____________ is a scientific word for human beings?
A. Omnivore
B. Homo sepions
C. Animals
D. Consumer
Lactometer is used for__________?
A. Honey
B. Milk
C. Ship
D. None
enzyme is_____________?
A. bio catalyst
B. Gland
c. hormone
D. None of these
Exact replica of chromosome refers to ___________?
A. Chromatid
B. Kinetochore
C. Centromere
D. Arms
Density gradient centrifugation separates the materials on the basis of__________?
A. Density alone
B. Size alone
C. Both a & b
D. Velocity of movement
Ribosomes are tiny Granules first studied in 1955 by__________?
A. Schwann
B. De-Duve
C. August Weismann
D. Palade
Virus consist of Parts:__________?
A. 3
B. 2
C. 1
D. 4
I can break down fatty acid to succinate__________?
A. Lysosome
B. Glyoxisome
C. Peroxisome
D. Golgi bodies
Mitosis is divided into_____________?
A. Cytokinesis
B. Karyokinesis
C. Interphase
D. Both a & b
Ribosomes and DNA are also present in_________?
A. mitochondria
B. lysosomes
C. endoplasmic reticulum
D. golgi complex
Taking in liquid material into the cells is known as_________?
A. Exocytosis
B. Pinocytosis
C. Phagocytosis
D. Both a and b
Under a compound microscope chromosome is made of arms and___________?
A. Centrosome
B. Centromere
C. Chromatid
D. Centromere
The main types of plastids are___________?
A. Chromoplasts
B. Chloroplasts
C. Leucoplasts
D. All of these
Fibers of the extracellular matrix is the characteristics of_______________?
A. Bacterial cell wall
B. Plant cell wall
C. Cell membrane of bacteria
D. Fluid mosaic model of cell membrane
Biology Mcqs
Polysome is formed during __________ process?
A. Secretion
B. Transcription
C. Translation
D. Division
In 1831, the presence of nucleus in the cells was reported by__________?
A. Robert Hooke
B. Robert Koch
C. Robert Mug Abe
D. Robert Brown
7 Secretions are products formed within cell on__________?
A. Ribosome
B. Golgi bodies
C. E.R
D. Nucleus
On average there are _______ or more thylakoid per granum?
A. 40
B. 50
C. 60
D. 70
Un-separated replica of chromosome is called___________?
A. Kinetochore
B. Chromatin
C. Chromatid
D. Centromere
A-biogenesis means that_____________?
A. Mycobionts
B. Living things originated from bacteria
C. Non-living things
D. None of these
The tumours which are of small size and localized are___________?
A. benign
B. gentle
C. malignant
D. nasty
PCR stand for _________?
A. Polymerase chain reaction
B. Peptide chain reaction
C. Poly carbomyl reaction
D. Pentapeptide chain reaction
The innate tendency of offspring to resemble their parents is called________?
A. heridity
B. varaition
C. heridisk
D. none
Ribosomes were discovered by_______?
A. De Duve
B. Golgi
C. Palade
D. R.Brown
Which character differentiates living things from non-living organisms___________?
A. They are acted upon by the same environment
B. They live in the same ecosystem.
C. They are highly organized and complex made of one or more cells and contain genetic material
D. Both a and b
The study of fossils is called__________?
A. Historical biology
B. Environmental Biology
C. Palaeontology
D. Social biology
A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?
A. Co-factor
B. Substrate
C. Inhibitor
D. Promotor
The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?
A. Molecular biologists
B. Freshwater biologists
C. Microbiologists
D. Social biologist
Percentage of water in brain cells is_______?
A. 65%
B. 20%
C. 85%
D. 89%
The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called__________?
A. Tissue
B. A molecule
C. An organ
D. Both a and c
Different species of plants and animals living in the same habitat is called ___________?
A. Biome
B. Community
C. Population
D. Habitat
In animals coordination is achieved by means of_________?
A. Nervous system
B. Respiratory system
C. Endocrine system
D. Both b and c
___________ is the potential surce of chemical energy for cellular activities?
A. C-H bond
B. C-N bond
C. C-O bond
D. P-O-C bond
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. Human biology
B. Social biology
C. Environmental biology
D. Both b and c
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. Paleontologist
C. Social biologist
D. Marine biologist
Group of living organisms of the same species living in the same place at the same time is called________?
A. Ecosystem
B. Population
C. Community
D. Biome
Control of organisms by using living organisms is called_______?
A. Antisepsis
B. Integrated disease management
C. Bioremediation
D. Biological control
Which one is a micromolecule__________?
A. Protein
B. Polysaccharide
C. Hemoglobin
D. ATP
Unbroken series of organisms arranged from ancestor to descendant sequence is____________?
A. Connecting link
B. Phyletic lineage
C. Biodiversity
D. Evolutionary line
Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?
A. 26
B. 16
C. 6
D. 15
A large regional community primarily determined by climate is called__________?
A. Community
B. Population
C. Biome
D. Habitat
Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?
A. Physiology
B. Molecular biology
C. Biochemistry
D. Atomic biology
A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?
A. An organism
B. An organ
C. A Tissue
D. A Cell
Oxygen accounts for __________ percent of totals human body mass?
A. 65%
B. 10%
C. 18%
D. 3%
Out of total organisms on earth, _____________are vascular plants?
A. 19.90%
B. 53.10%
C. 17.60%
D. 9.40%
Breakdown of large molecules into smaller ones utilizing water molecules is_________?
A. Electrolysis
B. Hydrolysis
C. Dehydration synthesis
D. Hydration
Intake of liquid material by cell membrane is called___________?
A. Exocytosis
B. Endocytosis
C. Phagocytosis
D. Pinocytosis
Which one is not correct for a productive theory________?
A. It has explanatory power
B. It is predictive
C. It discourages suggestion of different hypotheses
D. None of these
___________ is concerned with cell secretions?
A. Lysosomes
B. Golgi complex
C. Endoplasmic reticulum
D. Cell membrane
Sythetic insulin from pork was formed by which technique__________?
A. Social biological techniques
B. Parasitology
C. Biotechnology
D. Both a and c
Cytoskeleton involved in assembly and disassembly of the spindle during mitosis is of_________?
A. Microtubules
B. Intermediate filaments
C. Microfilaments
D. None of these
___________ is used to relieve one kind of headache, migraine?
A. Lovastatin
B. Pencillin
C. Cyclosporine
D. Ergotin
Bacteria which grow either in the presence or absence of oxygen___________?
A. Anaerobic bacteria
B. Aerobic bacteria
C. Facultative bacteria
D. Microaerophilic
It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect:
A. Older sediment layers did not have these radioactive isotopes
B. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
D. Older sediment layers have equal amount of these reaioactive isotopes as that of the young ones
Reverse transcriptase is present in____________?
A. All DNA viruses
B. All RNA viruses
C. All retroviruses
D. All viruses
Destruction of all life forms is called___________?
A. Sterilization
B. Antisepsis
C. Disinfection
D. Preservation
Pox viruses are_________?
A. RNA enveloped
B. RNA non-enveloped
C. DNA non-enveloped
D. DNA enveloped
Pollen grains in pinus have __________ for dispersal through wind?
A. Cilia
B. Flagella
C. Wings
D. Feathers
The single healthy megaspore retained within the megasporangium germinates to form an egg containing female gaemtophyte called______________?
A. Seed
B. Ovule
C. Fruit
D. Embroyo sac
Alternation of generations is absent in___________?
A. Hydration
B. Jelly fish
C. Obelia
D. Physalia
Double fertilization is feature of____________?
A. Whisk ferns
B. Ferns
C. Gymnosperms
D. Angiosperms
If bile pigments are prevented from leaving digestive tract, then they cause_____________?
A. Gall stones
B. Jaundice
C. Hepatitis
D. Blockage
Initial pH of food vacuole during digestion in amoeba is____________?
A. 7.3
B. 5.6
C. 5.3
D. 7.6
The arrangement of _________ speaks of the division of labour within cell?
A. Subatomic particles
B. Molecule
C. Atoms
D. Organelles
NADH is oxidized by___________?
A. Coenzyme ?
B. Oxygen
C. Cytochrome b
D. Glycolysis
Salivary glands present in front of ear are___________?
A. Submaxillary
B. Sublingual
C. Submandibular
D. Parotid
How many spiracles are present in cockroach_____________?
A. 10
B. 5
C. 20
D. 40
Which of the following is the correct sequence in the biological method?
A. law?theory?deduction?observation
B. Observation?hypothesis?deduction?testing of deduction
C. Hypothesis?observation?deduction?testing of deduction
D. Observation?hypothesis?law?theory
Amphibians are considered to be evolved from___________?
A. Varanope
B. Newts
C. Dipnoi
D. Hagfishes
Enterobius vermicularis is commonly known as____________?
A. Hook worm
B. Pinworm
C. Flatworm
D. Tapeworm
Red to orange pigments are_____________?
A. Carotenes
B. Xanthophylls
C. Carotenoids
D. Chlorophyll
Animals of which class of arthropoda are present everywhere_____________?
A. Arachnida
B. Insecta
C. Crustacean
D. Myriapoda
Gaseous exchange in birds occurs at level of_______________?
A. Air sacs
B. Alveoli
C. Bronchi
D. Parabronchi