Biology Mcqs – (Science) MCQs Latest For FPSC, PPSC, NTS, KPPSC, SPSC & Other Tests

Biology Mcqs – (Science) MCQs Latest For FPSC, PPSC, NTS, KPPSC, SPSC & Other Tests

Biology Mcqs - (Science) MCQs Latest For FPSC, PPSC, NTS, KPPSC, SPSC & Other Tests
Biology Mcqs

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:

Free living example of Platyhelminthes is____________?

A. Dugesia
B. Taenia
C. Fasciola
D. None of these

Psedudocoelom is character of____________?

A. Platyhelminthes
B. Coelenterates
C. Aschelminthes
D. Annelids

Which of the following statement about plants is incorrect?

A. They are multicellular.
B. All are eukaryotes
C. Non-motile organisms
D. They Are heterotrophes

Antheridia and archegonia are born on ______________ in bryophytes.

A. Both of these
B. Gametophyte
C. Sporophyte
D. None of these

Which of the following of bryophytes are the simplest one?

A. Porella
B. Anthocerus
C. Funaria
D. Polytrichum

Ferns are included in__________?

A. Lycopsida
B. Psilopsida
C. Sphenopsida
D. Pteropsida

in which cell ribosome are of large size and present either on endoplasmic reticulum or free in cytoplasm?

A. both
B. eukaryotic
C. prokaryotic
D. all the above

mitochondria in heart muscles are nearly_____________?

A. 375
B. 400
C. 350
D. 325

mitochondria in ear lobe cells are nearly____________?

A. 55
B. 50
C. 40
D. 60

four daughter cells are given to rise during the process of____________?

A. meiosis
B. cell division
C. mitosis
D. none of these

Which of the following gives to rise two daughter cell during cell division?

A. both
B. mitosis
C. meiosis
D. none of these

in animals meiosis produces____________?

A. gametes
B. spores
C. both a & b
D. all the above

prokaryotic and eukaryotic are two types of___________?

A. cells
B. organs
C. tissues
D. organisms

cells are of__________types?

A. 3
B. 4
C. 2
D. 1

Gametophyte of Psilopsida develops a symbiotic association with which of the following______________?

A. Bacteria
B. Algae
C. Protozoa
D. Fungus

Which of the following is an example of the living member of Psilopsida________________?

A. Psilophyton
B. Rhynia
C. Psilotum
D. Cooksonia

In term of spore production Selaginella is characterized by________________?

A. Both depending upon the conditions
B. Hetrosporous
C. Homosporous
D. None of these

Which of the following tracheophytes are also called arthrophytes______________?

A. Lycopsids
B. Psilopsids
C. Sphenopsids
D. Prteropsids

Equistem is an example of___________?

A. Lycopsida
B. Psilopsida
C. Sphenopsida
D. Prteropsida

Bryophtes are called amphiabians of plant world because:

A. Amphibians have close relation with bryophytes in their habitat.
B. Bryophytes like amphibian live in damp shady places and close to water body.
C. Bryophytes like amphibian ancestors are one of the most primitive organisms in this world.
D. All of these

Biology Mcqs

Today the land habitat is dominated by__________________?

A. Gymnosperms
B. Fungi
C. Angiosperms
D. Tracheophytes

Hornwarts are included in sub-class of __________?

A. Anthoceropsida
B. Hepaticopsida
C. Bryopsida
D. Psilopsida

Of the following which one is not the characteristic of the plants included in psilopsida_____________?

A. They have mycorrhizal association
B. Gametophyte is colourless
C. Rhizoids bear Rhizome
D. Aerial branches have veinless outgrowths

Horsetails are included in class of____________?

A. Sphenopeida
B. Psilopsida
C. Lycopsida
D. Pteropsida

Megaphylls are characteristic for____________?

A. Both of these
B. Seed plants
C. Ferns
D. None of these

In bryophytes fertilization takes place in___________?

A. water
B. Archegonia
C. Antheridia
D. Ovule

The dichotomously branching system has shape similar to________________?

A. R
B. U
C. Y
D. Fork

Which of the following statement about alternation of generation in bryophytes is incorrect?

A. It involves alternation of morphologically different generations
B. Spore formation occurs through meiosis
C. Both the gametophyte and sporophytes are haploid generations thus can produce haploids gametes to continue the diploid number on fertilization
D. Their gametophyte is independent while sporophyte depends upon gametophyte for nutrition.

The space between the overtopped dichotomous branches was occupies by a sheet of _________ cells during evolution of megaphyllas?

A. Parenchyma
B. Chlorenchyma
C. Sclerenchyma
D. Collenchyma

Production of two types of spores is known as________________?

A. Heterospory
B. Heterogamy
C. Homospory
D. Gamospory

Antherozoids the male gamete in bryophytes are attracted towards Archegonium i.e. female sex organ by____________?

A. Geotropic phenomenon
B. Chemotactic phenomenon
C. Phototactic phenomenon
D. Chemotropic movement

The zygote formed in liverworts is___________?

A. Unicellular
B. Multinucleate
C. Mulicellular
D. None of these

Ground pries are also known as___________?

A. Spike mosses
B. Lycopods
C. Both of these
D. None of these

Sporophyte is____________?

A. Haploid
B. Monoploid
C. Diploid
D. Polyploidy

Which of the following plant group first formed true leaves________________?

A. Sphenopsida
B. Lycopsida
C. Psilopsida
D. Pteropsida

Megaphylls i.e. leaves with divided veins with an expanded lamina is a dharacteristic of ___________________?

A. Ferns
B. Lycopods
C. Seed plants
D. Both b and c

Mosses are included in sub-division of ___________?

A. Hepaticopsida
B. Anthoceropsida
C. Bryopsida
D. Lycopsida

The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called_____________?

A. Fusion
B. Overtopping
C. Webbing
D. Planation

The simplest of all bryophytes are___________?

A. Embryophytes
B. Thallophytes
C. Mosses
D. Liverworts

Which of the following statement about filicinae a group of tracheophytes is incorrect_________________?

A. They belong to sphenopsida
B. They are seedless and their leaves are called fronds
C. They show circinate vernation.
D. They live in shady and moist areas.

Antheridiophore and archegoniophore are found in_____________?

A. Funaria
B. Marchantia
C. Both of these
D. None of these

Due to which property of Adiantum and example of Filicinae is called Maidenhairfern________________?

A. Shows heteromorphic alternation of generation
B. Fibrous adventituous roots arise from the lower side of rhizome
C. Its short thick branched horizontally growing rhizome
D. Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures

Specialized protective coverings around megasporangium which vary in number are called_________________?

A. Ovule
B. Integuments
C. Sporangium
D. Pericarp

Protonema is___________?

A. Fungus like
B. Algae like
C. Thallus like
D. Plant like

Biology Mcqs

In which group of tracheophytes ovules are born on the exposed surface of megasporophylls______________?

A. Filicineae
B. Spheospsida
C. Gymnosperms
D. Angiosperms

Pinus Taxus and Picea belong to_________________?

A. Filicineae
B. Spheospsida
C. Gymnosperms
D. Angiosperms

Of the following four options which one is most advanced?

A. Anthoceropsida
B. Hepaticopsida
C. Bryopsida
D. None of these

In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?

A. Both depending upon the conditions
B. Meiosis
C. Mitosis
D. None of these

In Hornworts the band of meristematic tissue is found near_____________?

A. Gamete producing region
B. Foot
C. Spore producing region
D. At junction of A & B

Microspore of a seed plant that contain male gametophyte including the gamete is called_______________?

A. Pollen grain
B. Microgametophyte
C. Ovule
D. Microsporangium

The part of sporophyte which is called sporangium is____________?

A. Capsule
B. Stalk
C. Foot
D. None of these

Monocots are characterized by___________?

A. Number of sepals and petals are 4 or multiple of 4
B. Number of sepals and petals are 3 or multiple of 3
C. Number of sepals and petals are 2 or multiple of 2
D. Number of sepals and petals are 5 or multiple of 5

The first cell of the sporophyte generation is______________?

A. Oospore
B. Spore
C. Spore mother cell
D. Gamete

Which of the following statement about dicots is incorrect _________________?

A. They are both herbaceous and woody
B. They have parallel vein pattern on their leaves
C. They have 4 or 5 sepals and petals or their multiple.
D. Vascular bundles are ring shaped in their stems.

Maize is an example of_________________?

A. Monocot
B. Gymnosperms
C. Dicot
D. none of these

Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are _________ branched

A. Trichotomously
B. Dichotomously
C. Isotomous
D. Multichotomously

Which of the following group of tracheophyta has expanded or scale like leaves which are alwaysed arranges in whorls?

A. Lycopsida
B. Psilopsida
C. Sphenopsida
D. Prteropsida

Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili_____________?

A. Sphenopsida
B. Lycopsida
C. Psilopsida
D. Prteropsida

Which of the following tracheophytes are leafless?

A. Psilopsida
B. Sphenopsida
C. Lycopsida
D. Prteropsida

Chlorosis, i.e., yellowish hue on the leaves results from_____________?

A. Deficiency of chlorophyll.
B. Accumulation of toxic waste products in leaves.
C. Short supplies of mineral nutrients in the soil.
D. All of these

Chemically auxins are____________?

A. Indole carboxylic acid.
B. Indole propionic acid.
C. Indole acetaldehyde
D. Indole acetic acid.

Gibberellins may be substituted for ___________ light, therefore promote flowering in long day plants?

A. Blue
B. Red
C. White
D. Green

Which of the following is antagonist to Auxin in terms of promotion of stem growth______________?

A. Cytokinins
B. Gibberellins
C. Abscisic Acid
D. none of these.

Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

A. Gibberellins
B. Auxins
C. Cytokinins
D. Ethene.

The only promoter of leaf senescence in the following plant hormones is________________?

A. Cytokinins
B. Gibberellins
C. Auxins
D. Abscisic Acid

Which of the following is used in brewing industry to promote malting_______________?

A. Gibberellins
B. Auxins
C. Cytokinins
D. Abscisic Acid

Which type of the receptors are present in the ear__________________?

A. Photoreceptors
B. Mechanoreceptors
C. Chemoreceptors
D. Thermoreceptors

Type of sensations carried by nociceptors are_________________?

A. Temperature.
B. Touch.
C. Pressure.
D. Pain

Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips___________________?

A. Pacinian corpuscles
B. Meissner’s Corpuscles
C. Hair end organs
D. None of these

Which type of sensory structures carry deep pressure and vibration sensations______________?

A. Meissner’s Corpuscles
B. Hair end organs
C. Pacinian corpuscles
D. none of these

Biology Mcqs

____________ is simplest form of learning.

A. Insight learning
B. Habituation
C. Imprinting
D. Latent learning

____________ was first to propose an objective definition of instinct.

A. Pavlov
B. Darwin
C. Thorpe
D. Kohler

Types of behaviour enabling pillbugs to reach moist area is___________?

A. Kinesis
B. Instinct
C. Taxes
D. Learning

Nissl’s granules are present in which part of the neuron_________________?

A. Myelin sheath
B. Axoplasm
C. Dendrite
D. Soma

All of the following are similarities between nervous and endocrine system except:_____________?

A. Homestatic in function
B. Release chemical messengers in extracellular space
C. Produce chemical messengers
D. Having slow but prolonged effects

Which of the following statement about neuron is incorrect___________________?

A. They may show limited regenerative capabilities
B. They are not the only cellular component of nervous system
C. They not only conduct impulses but also generate them
D. Like all the living cell, when they mature and divide to form similar cells

Secretin is a hormone produced by___________?

A. Liver
B. Stomach
C. Pancreas
D. Duodenum

Type of neurons found exclusively in CNS are_____________?

A. Motor neurons
B. Sensory neurons
C. Associative neurons
D. None of these

Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an ___________ process?

A. Active
B. Diffusional
C. Passive
D. None of these.

Cell membrane under resting conditions is impermeable to all the ions except_____________?

A. Cl-
B. K+
C. Na+
D. PO4-2

Grave’s disease is produced due to____________?

A. Undersecretion of corticosteroids
B. Overproduction of thyroxin
C. Undersecretion of thyroxin
D. Overproduction of corticosteroids

MSH is produced from___________?

A. Posterior pituitary
B. Median pituitary
C. Anterior pituitary
D. None of these

At the induction of action potential opening of Na+ gate with influx of Na+ is a ___________ processes?

A. Diffusion
B. Passive transport
C. Active transport
D. none of these

Acromegaly is caused due to oversecretion of____________?

A. TSH
B. STH
C. ACTH
D. Thyroxin

Insulin and glucagons are __________ in nature.

A. Protein
B. Polypeptide
C. Amino acid derivative
D. Steroid

Normal resting membrane potential of a neuron is_____________?

A. – 60 mv
B. – 50 mv
C. – 70 mv
D. – 80 mv

Insufficient secretion of iodothyroxine in adults causes____________?

A. Myxedema
B. Goiter
C. Cretinism
D. Exopthalmic goiter

Normal action potential of a neuronal cell is ___________?

A. plus 50 mv
B. plus 70 mv
C. plus 60 mv
D. plus 80 mv

Number of pairs of cranial nerves is__________?

A. 11
B. 10
C. 12
D. 13

Na+ -K+ ATPase pump is important for_______________?

A. Massive out flux of K+ after depolarization
B. Maintenance of resting potential
C. Recovery of resting potential
D. Conversion of resting potential into action potential

Which of the following has no central nervous system?

A. Hydra
B. Planaria
C. Man
D. Cockroach

Maximum speed of nerve impulse transmission is____________?

A. 110 m/sec
B. 100 m/sec
C. 120m/sec
D. 130 m/sec.

Which of the following are responsible for the detection of changes in environment?

A. Receptors
B. Effectors
C. Neurons
D. All of these

Any change in the environment of an organism is called___________?

A. Stimulus
B. Response
C. Variation
D. Reaction

Co-ordination results in_____________?

A. Organization of body functions
B. Regulation of body functions
C. Integration of body functions
D. All of these

Which of the followings are effectors______________?

A. Glands
B. Muscles
C. Sensory organs
D. Both ‘a’ & ‘b’

Hydra has___________?

A. Nerves
B. Brain
C. Neuron-cells
D. All of these

Co-ordination in man is brought about by___________?

A. Endocrine system
B. Nervous system
C. Both of these
D. none of these.

Which of the followings is missing from the nervous system of planaria_____________?

A. Lateral nerves
B. Longitudinal nerves
C. Ganglia
D. none of these

Which of the following transmits nerve impulse from receptors to central nervous system?

A. Sensory neuron
B. Associative neuron
C. Motor neuron
D. none of these.

Biology Mcqs – (Science) MCQs Latest For FPSC, PPSC, NTS, KPPSC, SPSC & Other Tests

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