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:
Diatoms are found in__________?
A. Freshwater lakes and ponds
B. Phytoplanktonic population
C. Marine environment
D. All of the above
Centric discoid form of diatoms is__________?
A. Camphyloneiscus
B. Coscinodiscus
C. Diplaneis
D. Stephanodis
Microfossile often present in petroleum producing formationsare those of__________?
A. Diatioms
B. Radiolarians
C. Heliozoans
D. Foraminiferans
Cell wall is richly impregnated with silica in__________?
A. Phaeophyta
B. Rhodophyta
C. Baciliariophyta
D. Euglenophyta
The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in__________?
A. Diatoms
B. Pyrrophyta
C. Desmids
D. Chlorophyta
Unlike other algae, diatoms do not readily decay due to___________?
A. Mucilaginous wall
B. Siliceous wall
C. Nonliving cells
D. Water proof cell
Cell wall is extremely well preserved in fossil specimens in__________?
A. Diatoms
B. Slime moulds
C. Dinoflagellates
D. None of these
Empty diatom cells are called___________?
A. Valves
B. Raphe
C. Frustule
D. Girdles
Diatom frustule/ shell is made of_____________?
A. Silica
B. Manesium carbonate
C. Calcium carbonate
D. Both B. and C.
The chloroplasts of diatoms and chrysophycean algae do not possess____________?
A. Enzymes for photolysis
B. Chloryphyllpigments
C. Defined grana and stroma
D. Carotenes with chlorophylls
Oil body is found in the cells of___________?
A. Diatoms
B. Chlorophycean forms
C. Slime moulds
D. None of the these
Diatoms stay afloat due to___________?
A. Pseudopodia
B. Stored lpids
C. Flagella
D. All of these
Diatomaceous earth is used for making __________?
A. Weedicides
B. Fertilizers
C. Insecticides
D. Fire proof bricks
Locomotion in diatoms is carried out with the help of__________?
A. Pseudopodium
B. Raphe
C. Valve
D. Cilia or flagella
Golden brown colour of diatoms is due to presence of__________?
A. Alpha and beta carotenes and myxoxanthin
B. Mycoxanthin, mucoxanthin and myxoxanthophylls
C. Fucoxanthin, diatoxanthin, diadinoxanthin
D. None of the above
Which of the following is not nocturnal?
A. Mosquito
B. Bedbug
C. Butterfly
D. Cockroach
Which one of these is an insect?
A. Spider
B. Mite
C. Moth
D. Scorpion
A moth is closely related to_________?
A. Beetle
B. Wasp
C. Cricket
D. Butterfly
Which one of these is a set of useful insects?
A. Sikmoth, honeybee, locust
B. Sandfly , butterfly, hoeybee
C. Honeybee, silkmoth, tsetse fly
D. Honeybee , lac insect, cochineal insect
Biology Mcqs
Which of the following organ is responsible for blood filtration:
A. Lungs
B. Kidney
C. Liver
D. Heart
Which of the following organ is responsible for body metabolism?
A. Lungs
B. Liver
C. Kidney
D. Heart
The part of the brain that connects the two hemispheres of the brain is called____________?
A. Corpus callosum
B. Cerebral cortex
C. Medulla oblongata
D. Cerebellum
In which phase of cell cycle cell organelles are formed?
A. G1 Phase
B. S Phase
C. G2 Phase
D. G0 Phase
Vacuoles are fluid filled sacs surrounded by a membrane called__________?
A. tonoplast
B. cell membrane
C. nuclear membrane
D. cell wall
During the process of cell division which of the following divides first?
A. vacuoles
B. cytodplasm
C. mitochondria
D. nucleus
Which of the following manufactures carbohydrates by the process of photosynthesis?
A. chloroplast
B. leucoplast
C. chromoplast
D. All of these
which of the following is called protein synthesizing machine?
A. nucleus
B. mitochondria
C. chromosomes
D. ribosomes
Cell wall is the non living , outermost boundary of__________cell?
A. bacterial
B. plant
C. fungal
D. all the above
The light microscope can make the object_________times bigger?
A. 100 times
B. 10 times
C. 1000 times
D. 10000 times
Which of the following is a selectively permeable membrane?
A. cytoplasm
B. cell wall
C. cell membrane
D. none of these
Which of the following endoplasmic reticulum has no ribosome on its surface?
A. rough
B. smooth
C. both
D. all of above
which of the following gas discovered by Scheele?
A. chlorine
B. oxygen
C. hydrogen
D. carbon dioxide
In plants there are_______basic types of tissues?
A. 3
B. 2
C. 4
D. None of these
Simple tissues and complex tissues are two groups of_________tissues.
A. Epidermal
B. Permanent
C. Meristematic
D. Supporting
which of the following consists of the dead cells?
A. collenchyma B. Parenchyma
C. sclerenchyma
D. none of these
Xylem and phloem are conducting tissues found in ……….?
A. micro orgamnisms
B. plants
C. animals
D. all the above
Human brain contains__________neurons.
A. 100,000,000
B. 10,000,00
C. 100,000,000,000
D. 1000
Which of the following are connective tissues?
A. bone
B. cartilage
C. blood
D. all the above
Which one of these structures involved in replication of bacterial dna?
A. pilli
B. chromosomes
C. plasmid
D. mesosome
Adult human brain is about_________% of the total body weight.
A. 2%
B. 7%
C. 3%
D. 8%
Humans can hear in the range of ______ to _______Hertz (Hz).?
A. 30 Hz to 30,000 Hz.
B. 20 Hz to 20,000 Hz.
C. 10 Hz to 10,000 Hz.
D. 40 Hz to 40,000 Hz.
branches of biology and medicine concerned with the structure and function of plant and animal cells is called___________?
A. Semiology
B. Nephrology
C. Orology
D. Cytology
Which Part of the Brain Regulates Body Temperature?
A. cerebrum
B. cerebellum
C. hypothalamus
D. medulla
Which type of motions are present in solid?
A. rotational
B. translational
C. vibrational
D. all of these
If a man having blood group AB marries a woman who is heterozygous for blood group, what is the probability of their first child having blood group B?
A. 45%
B. 40%
C. 50%
D. 71%
Animals living in the Tree trunks are known as___________?
A. Arboreal
B. Amphibious
C. Volant
D. Aquatics
Who discovered the peptic ulcer causing bacteria H.PYLORI?
A. James parkinson
B. Robert Hook
C. Dr Barry Marshall and dr Robin Warren
D. None of these
In Homo Sapiens (Human) the fertilization occurs in the___________?
A. Ovaries
B. Uterus
C. Oviduct
D. Cervix
The following vegetable have 90% of water?
A. Cassava
B. Lady finger(okra)
C. Cabbage
D None of these
Splitting of glucose relates to_________?
A. photorespiration
B. respiration
C. glycolysis
D. pyruvic acid
Artherosclerosis is a major condition leading to__________?
A. heart attack
B. stroke
C. hypertension
D. tumor
Shrinkage of protoplast due to exosmosis of water is__________?
A. deplasmolysis
B. plasmolysis
C. imbibition
D. adhesion
The normal pH of human blood is____________?
A. 7.0
B. 6.4
C. 7.4
D. 7.5
Bean shaped cells in plants are_________?
A. xylem cells
B. mesophyll cells
C. phloem cells
D. guard cells
Villi and microvilli increase__________?
A. assimilation
B. digestion
C. absorption
D. ingestion
Water potential of pure water is__________?
A. zero
B. negative
C. one
D. two
The respiratory problem most common in smokers is_________?
A. asthma
B. emphysema
C. tuberculosis
D. cancer
Parabronchi are present in__________?
A. frog
B. cockroach
C. fish
D. birds
The utilization of the products of digestion is called___________?
A. absorption
B. ingestion
C. assimilation
D. both a and b
Kangaroo has an abdominal pouch known as__________?
A. guttural pouch
B. placenta
C. marsupial
D. all of these
Earthworm lives in___________?
A. fresh water
B. moist soil
C. sea water
D. none of these
Sickle cell anemia was discovered by_________?
A. Vernon Ingram
B. Miescher
C. Sanger
D. none of these
Rich source of energy in seimen is__________?
A. glucose
B. lactose
C. fructose
D. sacrose
The foetus is protected from the mechanical damage by the__________?
A. vagina
B. cervix
C. uterus
D. amniotic fluid
Release of the ovum from ovary is called__________?
A. implantation
B. ovulation
C. fertilization
D. none of these
Detachment of myosin head and actin in rigor mortis occurs due to__________?
A. hypercalcemia
B. stored ATP in body
C. autolysis in body
D. hyperactivity of mitochondria
Which bone is called beauty bone in women?
A. maxilla
B. clavicle
C. sternum
D. radius
The plants which produce embryo but lack vascular tissues and seeds are placed in_________?
A. bryophytes
B. tracheophytes
C. pteridophytes
D. all of these
Higher vascular plants are also called__________?
A. ferns
B. seed plants
C. flowering plants
D. none of these
In all coelentrates endoderm give rise to__________?
A. reproductive system
B. digestive system
C. nervous system
D. circulatory system
Liver fluke is parasite in the liver of__________?
A. sheep
B. cattle
C. goat
D. all of these
Amoeba moves in water with the help of locomotory organs called_________?
A. cilia
B. tube feet
C. pseudopodia
D. flagella
Snails belong to_________?
A. gastropods
B. arthropods
C. bivalves
D. platyhelminthes
In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
A. mollusca
B. echinodermata
C. nematoda
D. arthropoda
In human beings influenza is caused by_________?
A. protist
B. bacteria
C. virus
D. fungi
Non-enveloped naked viruses are known as___________?
A. bacteriophages
B. prions
C. oncoviruses
D. virions
Gram +ve bacteria on treatment with crystal violet dye give _________colour?
A. green
B. red
C. purple
D. pink
Malarial parasite is injected into man as__________?
A. sporozoites
B. zygote
C. merozoites
D. none of these
The terms procariotique and eucariotique were proposed by___________?
A. Haeckel
B. Chatton
C. Whittaker
D. Margulis and Schwartz
The most common type of asexual reproduction in the fungi is__________?
A. budding
B. spore production
C. fragmentation
D. binary fission
Outside the thallus of Marchantia there are special structures called__________?
A. sporangium
B. rhizoids
C. stem tuber
D. none of these
The vascular plants are termed as____________?
A. tracheophytes
B. pteridophytes
C. bryophytes
D. all of these
Tobacco mosaic virus was crystallized by__________?
A. Chamberland
B. Pasteur
C. Stanely
D. Ivanowski
Flagella are composed of________?
A. micro tubules
B. intermediate filaments
C. micro filaments
D. glycoproteins
The life and activities of a cell is controlled by__________?
A. vacuole
B. nucleus
C. cytoplasm
D. mitochondria
Accumulation of lipid molecules in brain cells lead to____________?
A. oedema
B. paralysis
C. mental retardation
D. all of these
Accumulation of lipid molecules in brain cells lead to__________?
A. oedema
B. paralysis
C. mental retardation
D. all of these
The simplest amino acid is_________?
A. valine
B. glycine
C. alanine
D. phenylalanine
They are present in the underground parts of the plants and stored food?
A. leucoplast
B. chloroplast
C. chromoplast
D. stem
They are widespread as protective coatings on fruits and leaves?
A. chitin
B. waxes
C. cholesterol
D. all of these
It is very serious disease of brain which is caused by fungi________?
A. hepatitis
B. meningitis
C. ring worm
D. none of these
Many bacteria in our digestive system synthesize vitamins for example vitamin_________?
A. B2
B. B1
C. B12
D. B6
Which is not a vertebrate ?
A. Fish
B. Reptiles
C. Insect
D. None of these
Which of the following is the less important organ in human body?
A. Hip bone
B. Appendix
C. Hair
D. Navel
Who is the father of Genetics?
A. Robert Brown
B. Robert Hook
C. Gregor Mendel
D. Charless Darwin
which of the following hepatitis is more contagious ?
A. HBV
B. HAV
C. HCV
D. HDV
Which branch of science is short in laws ?
A. Biology
B. Chemistry
C. Physics
D. All of these
A condition in which there is a decrease of oxygen to the tissue despite adequate blood flow to the tissue is_________?
A. Dysphasia
B. Aphasia
C. Hypoxia
D. None
Insulin is a human__________?
A. Glucose
B. Protein
C. Gene
D. Diabetes