Biology MCQs for Entry Test with Answers

biology mcqs for entry test with answers
biology mcqs for entry test with answers

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Biology MCQs for Entry Test with Answers

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Biology MCQs for Entry Test with Answers

701. Polychaeta have____________?

A. Tentacles
B. Palps
C. Eyes
D. All of these

702. __________ are believed to have common origin with annelids.

A. Nematods
B. Arthropods
C. Molluscs
D. None of these

703. Mantle in molluscs is present over____________?

A. Head
B. Ventral muscular foot
C. Dorsal visceral region
D. All of these

704. Prechordates is another name used for___________?

A. Echinoderms
B. Hemichordates
C. Vertebrates
D. Chordates

705. True metamorphosis is not present in________?

A. Crustacea
B. Insecta
C. Arachnida
D. Myriapoda

706. Pin warm is common name used for__________?

A. Rhabditis
B. Enterobius vermicularis
C. Ancylostoma duodenale
D. Taenia solium

707. Which system is present in nematodes?

A. Sac – like digestive system
B. Tube – like digestive system
C. Circulatory system
D. Respiratory system

708. Which of following system is segmentally arranged in annelids?

A. Excretory system
B. Digestive system
C. Criculatory system
D. Nervous system

709. The organs of locomotion in annelids are__________?

A. Muscles
B. Hydrostatic skeleton
C. Parapodia
D. Setae

710. The number of chromosomes in human cell is_____________?

A. 48
B. 44
C. 46
D. 26

711. The resolving power of electric microscope is____________?

A. 0.2 mm
B. 0.2 nm
C. 0.2 m
D. none of these

712. Free living example of Platyhelminthes is____________?

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

713. Psedudocoelom is character of____________?

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

714. Which of the following statement about plants is incorrect?

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

715. Antheridia and archegonia are born on ______________ in bryophytes.

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

716. Which of the following of bryophytes are the simplest one?

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

717. Ferns are included in__________?

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

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

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

719. mitochondria in heart muscles are nearly_____________?

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

720. mitochondria in ear lobe cells are nearly____________?

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

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

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

722. which of the following gives to rise two daughter cell during cell division?

A. meiosis
B. mitosis
C. both a & b
D. none of these

723. in animals meiosis produces____________?

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

724. prokaryotic and eukaryotic are two types of___________?

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

725. cells are of__________types?

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

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

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

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

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

728. In term of spore production Selaginella is characterized by________________?

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

729. Which of the following tracheophytes are also called arthrophytes______________?

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

730. Equistem is an example of___________?

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

731. Bryophtes are called amphiabians of plant world because:

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

732. Today the land habitat is dominated by__________________?

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

733. Hornwarts are included in sub-class of __________?

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

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

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

735. Horsetails are included in class of____________?

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

736. Megaphylls are characteristic for____________?

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

737. In bryophytes fertilization takes place in___________?

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

738. The dichotomously branching system has shape similar to________________?

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

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

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

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

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

741. Production of two types of spores is known as________________?

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

742. The zygote formed in liverworts is___________?

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

743. Ground pries are also known as___________?

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

744. Sporophyte is____________?

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

745. Which of the following plant group first formed true leaves________________?

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

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

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

747. Mosses are included in sub-division of ___________?

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

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

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

749. The simplest of all bryophytes are___________?

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

750. 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 live in shady and moist areas.
D. They show circinate vernation.

751. Antheridiophore and archegoniophore are found in_____________?

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

752. Due to which property of Adiantum and example of Filicinae is called Maidenhairfern ________________ ?

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

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

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

754. Protonema is___________?

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

755. In which group of tracheophytes ovules are born on the exposed surface of megasporophylls ______________?

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

756. Pinus Taxus and Picea belong to_________________?

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

757. Of the following four options which one is most advanced?

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

758. In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by __________________?

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

759. In Hornworts the band of meristematic tissue is found near_____________?

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

760. Microspore of a seed plant that contain male gametophyte including the gamete is called _______________?

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

761. The part of sporophyte which is called sporangium is____________?

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

762. Monocots are characterized by___________?

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

763. The first cell of the sporophyte generation is______________?

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

764. Which of the following statement about dicots is incorrect _________________?

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

765. Maize is an example of_________________?

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

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

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

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

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

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

769. Which of the following tracheophytes are leafless?

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

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

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

771. Chemically auxins are____________?

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

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

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

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

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

774. 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. Cytokinins
C. Auxins
D. Ethene.

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

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

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

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

777. Which type of the receptors are present in the ear__________________?

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

778. Type of sensations carried by nociceptors are_________________?

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

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

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

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

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

781. ____________ is simplest form of learning.

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

782. ____________ was first to propose an objective definition of instinct.

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

783. Types of behaviour enabling pillbugs to reach moist area is___________?

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

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

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

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

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

786. Which of the following statement about neuron is incorrect___________________?

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

787. Secretin is a hormone produced by___________?

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

788. Type of neurons found exclusively in CNS are_____________?

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

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

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

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

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

791. Grave’s disease is produced due to____________?

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

792. MSH is produced from___________?

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

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

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

794. Acromegaly is caused due to oversecretion of____________?

D. Thyroxin

795. Insulin and glucagons are __________ in nature.

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

796. Normal resting membrane potential of a neuron is_____________?

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

797. Insufficient secretion of iodothyroxine in adults causes____________?

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

798. Normal action potential of a neuronal cell is ___________?

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

799. Number of pairs of cranial nerves is__________?

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

800. Na+ -K+ ATPase pump is important for_______________?

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

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