______ is used to develop virus free plants
1.cell suspension culture
2.protoplast culture
3.meristem culture
4.organ culture
Posted Date:-2021-02-22 02:26:29
In sponges, this chamber is common to all the types of canal systems
1.radial chamber
2.incurrent canal
3.excurrent canal
4.paragastric cavity
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In Sycon, the epithelial lining is made of
1.Choanocytes
2.Amoebocytes
3. Both (a) and (b)
4.Pinacocytes/flat cells
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Micro propagation involves
1.small explants used for vegetative multiplication of plants
2.microbes used for vegetative multiplication of plants
3.microspores used for vegetative multiplication of plants
4.megaspores and microspores used for non-vegetative multiplication of plants
Posted Date:-2021-02-22 02:26:29
A newborn infant, as part of routine is immediately assessed with this procedure after delivery
1.infant functionality scale
2.Apgar scoring system
3.neonatal development scale
4.Dubowitz-Ballard scale
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The availability of proteins and energy and inadequate absorption in the body is known as
1.pepsin energy malnutrition
2.pepsin enzyme malnutrition
3.protein energy malnutrition
4.protein excess malnutrition
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This identifies a particular amino acid and its cognate tRNA molecule
1. topoisomerase
2. rRNA
3.Ribosome
4. tRNA synthetase
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Which of the following diseases is caused by protein-energy malnutrition?
1.angina
2.goiter
3.marasmus
4. tuberculosis
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Amphiblastula is the larva of _________
1.Planaria
2.Sycon
3.Leucosolenia
4.Hydra
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An excised piece of stem tissue or leaf used in micropropagation is
1.scion
2.explant
3. medium
4.microshoot
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Benefit of clonal propagation or micropropagation is
1.multiplication of sexually derived sterile hybrids
2.multiplication of disease free plants
3. rapid multiplication of superior clones
4.all of these
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Disorders related to nutritions is known as
1.balancing of nutrition
2. insolubility of nutrition
3.solubility of nutrition
4.malnutrition
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Facultative saprophyte is
1. always a saprophyte
2. always a parasite
3.a parasite which may live as a saprophyte
4.may adapt a parasitic lifestyle
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Fungi are ____________ when they feed on dead organic matter
1.Saprophytes
2.Parasites
3.Dimorphic
4.None of the above
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The spicules of silica are found in
1. Grantia
2.Leucosolenia
3. Sycon
4.Hyalonema
Posted Date:-2021-02-22 02:26:29
In 1955, the person who invented the Polio vaccine was
1.Hiram Maxim
2.Theodore Roosevelt
3.Jonas Salk
4.Joseph Stalin
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In artificial media, the growth of plant tissues is
1.gene expression
2.transgenesis
3.plant tissue culture
4.cell hybridization
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In protein synthesis, translocation is initiated with the movement of
1. tRNA from P-site to the A-site
2.dipeptidyl tRNA from A-site to P-site
3.tRNA from A-site to P-site
4.tRNA from P-site to E-site
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In translation, this is not an essential component
1.amino acid
2.ligase
3.mRNA
4. anticodon
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Lichens are a known combination of fungi and algae where the fungus is
1.a symbiotic relationship with algae
2. a parasitic relationship with algae
3. an epiphytic relationship with algae
4.a saprophytic relationship with algae
Posted Date:-2021-02-22 02:26:29
Parasitic and saprobiotic mode of nutrition are found in
1.Fungi
2.Bacteria
3. Both (a) and (b)
4. Viruses
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PEM is mostly seen and has the most destructing consequences in
1.adulthood and adolescence
2.adolescence and early childhood
3. infancy and early childhood
4.only infancy
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Phenylketonuria is a genetic disorder impairing the metabolism of
1.amino acid phenylalanine
2.Polyunsaturated fatty acids
3.proteins
4.none of these
Posted Date:-2021-02-22 02:26:29
Pick the correct statement regarding vaccines of Polio
1.Salk is an inactivated polio vaccine
2.Sabin is live attenuated polio vaccine
3.Salk and Sabin are polio vaccines
4.All the above are correct
Posted Date:-2021-02-22 02:26:29
Pick the incorrect statement – Agar is a gelling agent in plant tissue culture medium
1.it is not digested by the enzymes of plants
2. it is not used in micropropagation work
3.does not react with media constituents
4.remains stable at incubation temperature
Posted Date:-2021-02-22 02:26:29
Pick the incorrect statement about Fungi
1.Can be anaerobic
2. Can be photosynthetic
3.Can be multicellular
4. Can be saprophytic
Posted Date:-2021-02-22 02:26:29
Protein synthesis corresponds to the process of
1.duplicating required DNA for synthesis of proteins
2.formation of amino acids from mRNA
3.formation of mRNA from DNA template
4.formation of amino acids from DNA template directly
Posted Date:-2021-02-22 02:26:29
Protein-energy malnutrition (PEM) corresponds to a state where the infant’s dietary intake is deficient in
1.Carbohydrates
2.overall calories
3. proteins
4.both (b) and (c)
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Protoplasts are devoid of
1.cell wall
2.cell membrane
3.both cell membrane and cell wall
4.none of these
Posted Date:-2021-02-22 02:26:29
Protoplasts can be synthesized from suspension cultures, intact tissues or callus tissues by the enzymatic treatment with
1.proteolytic enzymes
2.both pectolytic and cellulolytic enzymes
3.pectolytic enzymes
4.cellulolytic enzymes
Posted Date:-2021-02-22 02:26:29
Solidifying agent that is used in plant tissue culture is
1.Agar
2.EDTA
3.Cobaltous chloride
4.Nicotinic acid
Posted Date:-2021-02-22 02:26:29
The primitive multicellular entities, sponges have
1.Tissue grade of organization possessing organs and organ systems
2.Cellular grade of organizations with absence of organs and organ systems
3. Both of these
4.None of these
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The process by which protein synthesis from genetic code occurs is best described by
1. transcription
2. translation
3.replication
4.reproduction
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The reason why there is a close association between fungi and algae in lichen is because the fungus
1.releases oxygen for algae
2. fixes atmospheric nitrogen for algae
3.provides food for algae
4.provides anchorage, protection and absorption for algae
Posted Date:-2021-02-22 02:26:29
The type of nutrition in which more nutrients are consumed than the required quantity for normal growth of the body
1.pepsin-enzyme malnutrition
2. mineral deficiency diseases
3.over intake of nutrients
4.protein energy malnutrition
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These sponges are found in rivers
1. Sycon
2.Spongilla
3.Cliona
4.Hyalonema
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This about sponges is true
1. large stomach
2.chitinous spicules
3.one mouth, many exits in the body
4.many mouth openings and one exit chitinous spicule
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This best describes a polysome
1.active site for synthesis of lipids
2.active site for synthesis of proteins
3.active site for synthesis of DNA
4.all of these
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This can be the first indication that PEM has led to the permanent damage to the brain
1.low birth weight
2.premature birth
3.a reduced circumference of the head
4.slowed reflexes during birth
Posted Date:-2021-02-22 02:26:29
This can be used to demarcate a facultative parasite
1.can become a parasite but is actually a saprophyte
2.can become a saprophyte but is actually a parasite
3. only requires dead organic matter to sustain
4.requires a living host inevitably
Posted Date:-2021-02-22 02:26:29
This drug inhibits the initiation step of translation
1.ricin
2.tetracycline
3.streptomycin
4.cyclohexylamine
Posted Date:-2021-02-22 02:26:29
This elongation factor is known as translocase
1.EFG
2.EF2
3. both (a) and (b)
4.EF-Tu and EF-Ts
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This has a saprophytic mode of nutrition
1.Mushroom
2.Leech
3. lice
4.roundworm
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This is considered to be the start codon
1. AGG
2.UAG
3.GUG
4.AUG
Posted Date:-2021-02-22 02:26:29
This is incorrect about the nature of genetic code. Codons are
1.universal
2.overlapping
3.commaless
4.triplet
Posted Date:-2021-02-22 02:26:29
This is the excretory waste of Sycon
1.urea
2.uric acid
3. ammonia
4.none of these
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This one is saprophytic in nutrition
1. virus
2.cyanobacteria
3. fungi
4.all of these
Posted Date:-2021-02-22 02:26:29
This plant propagation technique uses girdling
1. cuttings
2.grafting
3.both (a) and (b)
4.layering
Posted Date:-2021-02-22 02:26:29
Up to the age of six months, this is the ideal food for newborns and young infants
1.soy milk
2. rice cereal
3. breast milk
4. iron-fortified formula
Posted Date:-2021-02-22 02:26:29
When one organism obtains nutrition from the other, the mode of nutrition is
1. heterotrophic
2. symbiosis
3. autotrophic
4.none of these
Posted Date:-2021-02-22 02:26:29