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KVS PGT Biology Mock Test. We covered all the KVS PGT Biology Mock Test MCQs in this post for free so that you can practice well for the exam.
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KVS PGT Biology Mock Test MCQ for Students
Quick Quiz
The capacity for generating an entirely new individual from a fragment of tissue is called
(a) Sporulation
(b) Budding
(c) Encystation
(d) Fragmentation
Option d – Fragmentation
Binary fission is a mode of
(a) Micropropagation
(b) Asexual reproduction
(c) Macropropagation
(d) Sexual reproduction
Option b – Asexual reproduction
Asexual reproduction is related to
(a) Amphimixis
(b) Budding
(c) Vegetative propagation
(d) Both (b) and (c)
Option d – Both (b) and (c)
Asexual reproduction involves
(a) Both maternal and paternal parents
(b) Only maternal parents
(c) Only paternal parents
(d) Only one parent, either paternal or maternal
Option d – Only one parent, either paternal or maternal
Which of the following is not a process of asexual reproduction?
(a) Budding
(b) Syngamy
(c) Gemmulation
(d) Fragmentation
Option b – Syngamy
Sporulation is exhibited by
(a) Multicellular chordates
(b) Unicellular protists
(c) Multicellular cnidarians like Hydra and Obelia
(d) Multicellular sponges
Option b – Unicellular protists
The coiled portion of the labyrinth is called
(a) Cochlea
(b) Eardrum
(c) Pinna
(d) Ear canal
Option a – Cochlea
The gelatinous, elastic membrane covering the sensory hair cells of the human ear is known as
(a) Basilar membrane
(b) Tectorial membrane
(c) Reissner’s membrane
(d) Neuro-sensory membrane
Option b – Tectorial membrane
The wax gland present in the ear canal is called
(a) Sweat gland
(b) Prostate gland
(c) Cowper’s gland
(d) Sebaceous gland/ceruminous gland
Option d – Sebaceous gland/ceruminous gland
The part of the internal ear responsible for hearing is
(a) Cochlea
(b) Semicircular canal
(c) Utriculus
(d) Sacculus
Option a – Cochlea
The human body’s main organ of balance is located in
(a) Inner part of the ear
(b) Middle part of the ear
(c) Front part of the brain
(d) Top part of the vertebral column
Option a – Inner part of the ear
Which of these bones is not a part of the human ear?
(a) Malleus
(b) Stapes
(c) Femur
(d) Incus
Option c – Femur
The ………… helps in equalizing the pressure on either side of the eardrum.
(a) Cochlear nerve
(b) Malleus
(c) Eustachian tube
(d) Incus
Option c – Eustachian tube
The internal ear of humans is filled with
(a) Lymph
(b) Endolymph
(c) Perilymph
(d) Both (b) and (c)
Option d – Both (b) and (c)
The complete conversion of glucose, in the presence of oxygen, into carbon dioxide and water with the release of energy is called:
(a) Aerobic respiration
(b) Anaerobic respiration
(c) Glycolysis
(d) Hydrolysis
Option a – Aerobic respiration
Which of the following cell organelles is responsible for cellular respiration?
(a) Golgi bodies
(b) Mitochondria
(c) Nucleus
(d) Lysosomes
Option b – Mitochondria
Which of the following contains enzymes for cellular respiration?
(a) Dictyosomes
(b) Endoplasmic reticulum
(c) Lysosomes
(d) Mitochondria
Option d – Mitochondria
Fruits stored in a cold chamber exhibit a longer storage life because:
(a) Exposure to sunlight is prevented.
(b) The concentration of carbon dioxide in the environment is increased.
(c) The rate of respiration is decreased.
(d) There is an increase in humidity.
Option c – Rate of respiration is decreased
What is the ultimate product of Glycolysis?
(a) Ethyl alcohol
(b) Carbon dioxide
(c) Pyruvic acid
(d) Glucose
Option c – Pyruvic acid
Which is true for glycolysis?
(a) It is not common to both aerobic and anaerobic respiration.
(b) Substrate level phosphorylation.
(c) Expenditure of H₂O.
(d) Production of NAD
Option b – Substrate level phosphorylation
Which of the following processes makes direct use of oxygen?
(a) Glycolysis
(b) Fermentation
(c) Citric Acid Cycle
(d) Electron transport
Option d – Electron transport
Which of the following full forms of ATP is correct?
(a) Adenosine Tetraphosphate
(b) Adenine Tetraphosphate
(c) Adenosine Triphosphate
(d) None of the above
Option c – Adenosine Triphosphate
Any one parameter is not good enough to demonstrate growth through the life of a flowering plant because:
(a) Lateral meristems appear later in life.
(b) Apical meristems contribute to elongation while lateral meristems increase girth.
(c) An increase in protoplasm is difficult to measure directly.
(d) None of the above
Option c – An increase in protoplasm is difficult to measure directly
The phenomenon of growth is immediately followed by:
(a) Senescence
(b) Dedifferentiation
(c) Redifferentiation
(d) Maturation
Option d – Maturation
Apples are generally wrapped in waxed paper to:
(a) Prevent sunlight from changing its color.
(b) Prevent aerobic respiration by checking the entry of O₂.
(c) Prevent ethylene formation due to injury.
(d) Make the apples look attractive.
Option b – Prevent aerobic respiration by checking the entry of O₂
Which one of the following is a plant hormone?
(a) Insulin
(b) Thyroxine
(c) Estrogen
(d) Cytokinin
Option d – Cytokinin
Which one of the following is not a plant hormone?
(a) Cytokinin
(b) Ethylene
(c) Insulin
(d) Gibberellin
Option c – Insulin
Plants contain a variety of sterols like stigmasterol, ergosterol, sitosterol, etc., which very closely resemble cholesterol. These plant sterols are referred to as:
(a) Phytosterols
(b) Calciterols
(c) Ergocalciferols
(d) Lumisterols
Option a – Phytosterols
IAA was first isolated from:
(a) Corn germ oil
(b) Gibberelia
(c) Human urine
(d) Rhizopus
Option c – Human urine
The gas used for artificial ripening of green fruit is:
(a) Ethane
(b) Acetylene
(c) Carbon-dioxide
(d) Oxytocin
Option b – Acetylene
Which of the following phytohormones is mainly responsible for fruit ripening?
(a) Cytokinin
(b) Abscisic acid
(c) Ethylene
(d) None of these
Option c – Ethylene
Abscisic acid is also known as a stress hormone because:
(a) It is a plant growth inhibitor.
(b) It is an inhibitor of plant metabolism.
(c) It inhibits seed germination.
(d) It increases the tolerance of plants to various kinds of stresses.
Option d – It increases the tolerance of plants to various kinds of stresses
The hormone related to drought tolerance is:
(a) Abscisic acid
(b) Gibberellin
(c) Indole acetic acid
(d) Cytokinin
Option a – Abscisic acid
Which hormone is found in the gaseous form?
(a) Abscisic acid
(b) Ethylene
(c) Gibberellins
(d) Auxins
Option b – Ethylene
Which one among the following hormones stimulates the plant cells to grow in a manner such that the plants bend towards light?
(a) Cytokinin
(b) Auxin
(c) Gibberellin
(d) Abscisic
Option b – Auxin
To increase sugar production in sugarcanes, they are sprayed with
(a) IAA
(b) Cytokinin
(c) Gibberellin
(d) Ethylene
Option c – Gibberellin
Which among the following is a male part of a flower?
(a) Stigma
(b) Stamen
(c) Style
(d) Pistil
Option b – Stamen
In which part of the female flower does fertilization take place?
(a) Ovary
(b) Stigma
(c) Filament
(d) Style
Option a – Ovary
Which of the following pairs represents the correct pair of reproductive parts of a flower?
(a) Sepals and Petals
(b) Sepals and Carpels
(c) Stamens and Carpels
(d) Petals and Stamens
Option c – Stamens and Carpels
The technique of the development of fruits without fertilization is known as:
(a) Parthenogenesis
(b) Parthenocarpy
(c) Autogamy
(d) Sporogamy
Option b – Parthenocarpy
What is meant by double fertilization?
(a) Fusion between egg and male gamete.
(b) Fusion between secondary nucleus and male gamete.
(c) Both ‘a’ and ‘b’
(d) Formation of two zygotes.
Option c – Both ‘a’ and ‘b’
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called?
(a) Autogamy
(b) Geitonogamy
(c) Xenogamy
(d) None of the above
Option b – Geitonogamy
In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as:
(a) Dichogamy
(b) Herkogamy
(c) Heterogamy
(d) Monogamy
Option a – Dichogamy
In some plants, the flower is modified in such a way that it looks like a female insect and attracts a male insect. This modification is used for pollination and occurs commonly in:
(a) Orchids
(b) Wheat
(c) Maize
(d) Mango
Option a – Orchids
Flowers in which pollination takes place through insects have pollen grains that are:
(a) Smooth and dry
(b) Rough and sticky
(c) Rough and dry
(d) Large in size
Option b – Rough and sticky
Pollination by birds is called:
(a) Anemophily
(b) Entomophily
(c) Autogamy
(d) Ornithophily
Option d – Ornithophily
Pollens are produced in:
(a) Corolla
(b) Style
(c) Stigma
(d) Anther
Option d – Anther
Which one of the following agents does not contribute to the propagation of plants through seed dispersal?
(a) Wind
(b) Fungus
(c) Animal
(d) Water
Option b – Fungus
Which of the following is a diploid?
(a) Egg
(b) Synergids
(c) Antipodals
(d) Secondary nucleus
Option d – Secondary nucleus
Which of the following is the correct sequence of events occurring during sexual reproduction in plants?
(a) Seedling, Embryo formation, Pollination, Fertilisation, Division of zygote
(b) Embryo formation, seedling, Pollination, Fertilisation, Division of zygote
(c) Pollination, Fertilisation, Division of zygote, Embryo formation, Seedling
(d) Seedling, Embryo formation, Division of zygote, Pollination, Fertilisation
Option c – Pollination, Fertilisation, Division of zygote, Embryo formation, Seedling
The endosperm of angiosperms is developed from:
(a) Antipodals
(b) Zygote
(c) Synergids
(d) Secondary nucleus
Option d – Secondary nucleus
The development of fruit without fertilization is called:
(a) Gametogamy
(b) Parthenocarpy
(c) Hybridogenesis
(d) Apomixis
Option b – Parthenocarpy
Which of the following underground-produced vegetables is a modified root?
(a) Potato
(b) Sweet Potato
(c) Bandda
(d) Jimikand
Option b – Sweet Potato
The chicory powder which is mixed with coffee powder is obtained from which of the following part of the plant?
(a) Stem
(b) Fruit
(c) Flower
(d) Root
Option d – Root
The branch of botany dealing with the study of external forms and features of plants is:
(a) Cytology
(b) Morphology
(c) Taxonomy
(d) Anatomy
Option b – Morphology
On the basis of lifespan, angiosperms are divided into:
(a) Monocarpic and polycarpic plants
(b) Climbers, trailers, and creepers
(c) Annuals, biennials, and perennials
(d) Herbs, shrubs, and trees
Option c – Annuals, biennials, and perennials
Which one of the following is not an annual?
(a) Sunflower
(b) Pea
(c) Paddy
(d) Apple
Option d – Apple
Zingiber officinale is an example of:
(a) Perennial plant
(b) Herb
(c) Shrub
(d) Biennial
Option b – Herb
Which of the following is/are the main absorbing organ/organs of plants?
(a) Root only
(b) Leaf only
(c) Root and leaf
(d) Root, leaf, and bark
Option a – Root only
Which part of the plant conducts water in plants?
(a) Leaves
(b) Fruits
(c) Flowers
(d) Stem
Option d – Stem
Which type of plants have weak stems and take support from neighboring structures to climb up?
(a) Shrubs
(b) Climbers
(c) Trees
(d) Herbs
Option b – Climbers
Turmeric is a modified:
(a) stem
(b) root
(c) leaves
(d) fruit
Option a – stem
Which of the following constitutes the descending part of the plant axis?
(a) Branches
(b) Leaves
(c) Stem
(d) Root
Option d – Root
The fibrous root system is found in:
(a) mustard plant
(b) wheat plant
(c) Monstera
(d) banana tree
Option b – wheat plant
Which of the following pairs is not correct?
(a) Carrot and turnip – Modified tap root
(b) Sweet potato – Prop root
(c) Maize and sugarcane – Stilt root
(d) Rhizophora – Pneumatophores
Option b – Sweet potato – Prop root
Which of the following matches correctly?
(a) Curcuma – Moniliform root
(b) Vitis – Nodulose root
(c) Asparagus – Fasciculated root
(d) Ipomoea – Annulated root
Option c – Asparagus – Fasciculated root
The arrangement of leaves in a plant is called:
(a) Phyllotaxy
(b) Phototaxy
(c) Phytotaxy
(d) Lianataxy
Option a – Phyllotaxy
What is the thick vein present in the middle of the leaf called?
(a) Midrib
(b) Leaf venation
(c) Reticulate
(d) Parallel venation
Option b – Leaf venation
Which of the following is not a primary function of a green leaf?
(a) Manufacture of food
(b) Interchange of gases
(c) Evaporation of water
(d) Conduction of food and water
Option d – Conduction of food and water
Leaf lamina modifies into a leaf pitcher in:
(a) Sarracenia
(b) Nepenthes
(c) Dischidia
(d) Utricularia
Option b – Nepenthes
Which type of plants are very tall and have hard and thick brown stems?
(a) Trees
(b) Herbs
(c) Shrubs
(d) None of these
Option a – Trees
An example of a modified underground stem is:
(a) carrot
(b) potato
(c) groundnut
(d) turnip
Option b – potato
Which one of the following features is an indication of the modification of the stem of a plant?
(a) Presence of ‘eye’ on potato
(b) ‘Scale’ found in onion
(c) ‘Tendril’ found in peas
(d) ‘Hair’ present in carrot
Option a – Presence of ‘eye’ on potato
Choose the incorrect match pair.
(a) Bougainvillea – Phylloclade
(b) Lilium bulbifera – Bulb
(c) Amorphophallus – Corm
(d) Dioscorea – Bulbil
Option a – Bougainvillea – Phylloclade
A flower is a modified:
(a) node
(b) flower meristem
(c) root apical meristem
(d) shoot meristem
Option d – shoot meristem
All the whorls of a flower are borne on:
(a) thalamus
(b) peduncle
(c) pedicel
(d) axis
Option a – thalamus
What is the yellow dust present in the middle of a flower called?
(a) Zygote
(b) Sperm
(c) Stomata
(d) Pollen
Option d – Pollen
A band of sterile, parenchymatous cells present in between the two lobes of anther is called:
(a) neuter flower
(b) theca
(c) connective
(d) adhesive
Option c – connective
The condition of stamens in which stamens are fused with a carpel throughout their whole length is called:
(a) epipetalous
(b) polyadelphous
(c) epitepalous
(d) gynandrous
Option d – gynandrous
In an inflorescence where flowers are borne laterally in an acropetal succession, the position of the youngest floral bud shall be:
(a) proximal
(b) distal
(c) intercalary
(d) anywhere
Option b – distal
Which of the inflorescence is weak and the whole inflorescence drops down?
(a) Spike
(b) Catkin
(c) Corymb
(d) Spadix
Option b – Catkin
In Candytuft, the older flowers have longer pedicels while newer ones have shorter pedicels. This type of inflorescence is known as:
(a) corymbose raceme
(b) umbel
(c) corymb
(d) spadix
Option c – corymb
Which of the following inflorescence is seen in sunflowers?
(a) Capitulum
(b) Spadix
(c) Spike
(d) Raceme
Option a – Capitulum
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