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17801.

Question : DNA has .............. instead of wracil.

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SOLUTION :Thymuine
Discussion
17802.

Question : DNA hybridization is helpful to ………………. .

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IDENTIFY an individual from a sample of DNA
Detect DIFFERENCE in HOMOLOGOUS DNA sequences
MEASURE the degree of genetic SIMILARITY between pools of DNA sequences
Amplify a specific gene

Answer :C
Discussion
17803.

Question : DNA finger printing refers to

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Molecular ANALYSIS of profiles of DNA samples
Analysis of DNA samples USING IMPRINTING DEVICES
Techniques used for molecular analysis of different specimens of DNA
Techniques used for identification of finger printss of individuals

Answer :A
Discussion
17804.

Question : DNA duplication occurs in:

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MITOSIS only
meiosis only
meiosis I and mitosis
meiosis II and mitosis

Answer :C
Discussion
17805.

Question : DNA-ase and RNA-ase are enzymes produced by ……….. .

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SALIVARY glands
PANCREAS
STOMACH
INTESTINS

Solution :N/A
Discussion
17806.

Question : DNA and RNA

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ANSWER : DEOXY RIBONUCLEIC ACID
Discussion
17807.

Question : ______division leads to genetic variability.

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Mitotic
Amitotic
MEIOTIC
Equational

Solution :Meiotic
Discussion
17808.

Question : ……...divides thoracic cavity and abdominal cavity.

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SOLUTION :DIAPHRAGM.
Discussion
17809.

Question : Diversity in the habitat not seen in

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PORIFERA
ANNELIDA
MOLLUSCA
ECHINODERMATA

ANSWER :D
Discussion
17810.

Question : Distinguish the anatomy of dicot stem from monocot stem.

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SOLUTION :
Discussion
17811.

Question : Distingush fluorescence and phosphorescence.

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SOLUTION :
Discussion
17812.

Question : Distinguish the anatomy of dicot root from monocot root.

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SOLUTION :
Discussion
17813.

Question : Distinguish : Sensory nerve and Motor nerve.

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SOLUTION :Sensory NERVE : Carries impulse from tissues to central nervous SYSTEM.
MOTOR nerve : It carries nerve impulse from C.N.S. to effector organs.
Discussion
17814.

Question : Distinguish : Tectorial membrane and Ressiener's membrane.

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Solution :Tectorial membrane : Organ of Corti is located on basilar membrane which contains HAIR CELLS above the rows of hair cells is a thin elastic membrane called tectorial membrane. it is formed by ressiener.s membrane.
Ressiiener’s membrane : Cochlea of internal ear has SPACE called scala MEDIA, roof of it is formed by ressiener’s membrane.
Discussion
17815.

Question : Distinguish : Synapse and Neurotransmitters.

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SOLUTION :Synapse : When axonal END of neuron and dendrite of subsequent neuron has functional space is called synapse.
NEUROTRANSMITTER : At the synaptic end, secretory vesicles releases chemical (ACETYL choline) is termed as neurotransmitter.
Discussion
17816.

Question : Distinguish replication and transcription.

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SOLUTION :
Discussion
17817.

Question : Distinguish : Receptor proteins and Receptor cells.

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Solution :RECEPTOR proteins : An impulse arrives at the axon terminal, synaptic VESICLES FUSE with the plasma membrane and release their neurotransmitters at synaptic cleft. The released neurotransmitter binds to specific chemicals called receptor proteins.
Receptor cells : The organs of Corti is LOCATED on the basilar membrane which CONTAIN hair cells, that act as auditory receptors.
Discussion
17818.

Question : Distinguish : Myelinated nerve and Non-Myelinated nerve.

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SOLUTION :Myelinated NERVE : Axon is ENVELOPED by FATTY myelin secreted by Schwann.s cells on its outer side.
Non-Myelinated nerve : Axon is not surrounded by myelin LAYER but Schwann.s cells are present on its outer side.
Discussion
17819.

Question : Distinguish Prokaryotic and Eukaryotic organisms

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SOLUTION :
Discussion
17820.

Question : Distinguish invertebrates and chordates.

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SOLUTION :
Discussion
17821.

Question : Distinguish : Corpus callosum and Ciliary body.

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Solution :Corpus callosum : Cerebral hemispheres are connected by a tract of nerve FIBRES called corpus callosum.
CILIARY body : The choroid layer becomes thick in the ANTERIOR 1/3 part of the EYEBALL to FORM ciliary body.
Discussion
17822.

Question : Distinguish cytokinesis from karyokinesis.

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Solution :Cytokinesis is the division of cytoplasm, whereas karyokinesis is the division of the NUCLEUS (cell division). Karyokinesis is COMPLETED through different PHASES (such as PROPHASE, metaphase, anaphase and telophase) wherbas cytokinesis does not CONSIST of phases. Karyokinesis occurs at the beginning of the cell division whereas cytokinesis occurs at the end of cell division after completion of karyokinesis.
Discussion
17823.

Question : Differentiate between the voluntary muscles and involuntary muscles.

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SOLUTION :
Discussion
17824.

Question : Distinguish between true ribs and false ribs.

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SOLUTION :True ribs : the first seven pairs of ribs are called 'true ribs' or vertebro-stemal ribs. Dorsally they are ATTACHED to the thoracic vertcbrae and ventrally connected to the sternum with the help of hyaline cartilages.
False ribs : the 8th, 9TH and 10th pairs of ribs do not ARTICULATE directly with the sternum but JOINED with the cartilaginous ( hyaline cartilage ) part of the seventh rib. These are called 'false ribs ' or vertebro-chondral ribs.
Discussion
17825.

Question : Differentiate thick filaments and thin filaments.

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SOLUTION :`{:("THICK filaments", "Thin filaments"),(" 1. The thick filaments are composed OFTHE protein myosin.","The thin filaments are composed of protein actin."):}`
Discussion
17826.

Question : Distinguish between the followings Septal nephridium and pharyngeal nephridium

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SOLUTION :
Discussion
17827.

Question : Distinguish between the followings. (a) Prostomium and peristomium

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SOLUTION :
Discussion
17828.

Question : Distinguish between the following: (a) Exarch and endarch condition (b) Stele and vascular bundle (c) Protoxylem and metaxylem (d) Interfascicular cambian and intrafascicular cambian (e) Open and closed vascular bundles (f) Stem hair and root hair

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SOLUTION :
Discussion
17829.

Question : Distinguish between the following? (a) Autotrophic and heterotrophic nutrition(b) Holozoic and saprozoic nutrition (c ) Proximate and protective principles of food(d) Calorfic and physilogical values (e ) Kwashiorkor and marasmus

Answer»
Discussion
17830.

Question : Distinguish between terrestrial and aquatic plants.

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SOLUTION :`{:("Terrestrial PLANTS","Aquatic plants"),("Plants growing on land are CALLED terrestrial","Plants living in water environment are called"),("plants.","aquatic plants."):}`
Discussion
17831.

Question : Distinguish between taxon or category.

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SOLUTION :
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17832.

Question : Differentiate Tendons and Ligaments.

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SOLUTION :
Discussion
17833.

Question : Distinguish between Stenohaline and Euryhaline animals.

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SOLUTION :
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17834.

Question : Distinguish between species and genus.

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SOLUTION :
Discussion
17835.

Question : Distinguish between schizocoelomates and enterocoelomates.

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SOLUTION :
Discussion
17836.

Question : Distinguish between Simple gland and compound gland

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SOLUTION :
Discussion
17837.

Question : How root climbers differ from stem climbers?

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SOLUTION :
Discussion
17838.

Question : Distinguish between rough endoplasmic reticulum and smooth endoplasmic reticulum.

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SOLUTION :`{:("RER","SER"),("a ribosomes are present in theouter surface of membrane"," Ribosomes are absenton the membrane"),(""b It is involved in protien SYNTHESIS "," It is involvedin LIPID synthesis"):}`
Discussion
17839.

Question : Distinguish between red fibre and white fibre.

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Discussion
17840.

Question : Distinguish between radiate and bilateria .

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SOLUTION :
Discussion
17841.

Question : Differentiate between (a) Racemose and cymose inflorescence (b) Fibrous roots and adventitious roots (c) Apocarpous and syncarpous ovary

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SOLUTION :
Discussion
17842.

Question : Distinguish between Protostele & Siphonostele.

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SOLUTION :
Discussion
17843.

Question : Distinguish between racemose and cymose inflorescence.

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SOLUTION :
Discussion
17844.

Question : Differentiate Protostomia and Deuterostomia.

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SOLUTION :
Discussion
17845.

Question : distingulish between prokaryotes and eukaryotes.

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SOLUTION :
Discussion
17846.

Question : Differentiate Primary metabolites and Secondary metabolites .

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Solution :Primary metabolites are those that are required for the basic metabolic processes like photosynthesis, RESPIRATION, etc example: Lipase, a PROTEIN.
SECONDARY metabolites does not show any direct function in growth and DEVELOPMENT of organisms. EXMPLE: Ricin, gums.
Discussion
17847.

Question : Distinguish between polyp and medusa.

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SOLUTION :
Discussion
17848.

Question : Distinguish between plant and animal cell mitosis.

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SOLUTION :REFER Table 2 of CHAPTER 10.
Discussion
17849.

Question : Distinguish between poikilothermous and homoiothermous organisms.

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Solution :Poikilothermous (COLD blooded), Lack ability to REGULATE their body temperature.
Homoiothermous (WARM): Can regulate body TEMPRATURE.
Discussion
17850.

Question : Distinguish between poikilothermic and homeothermic.

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SOLUTION :
Discussion