Description : Who gave the chromosomal theory of Inheritance?
Last Answer : Ans. Sutton and Boveri
Description : Who had proposed the chromosomal theory of the inheritance? -Biology
Last Answer : answer:
Description : A DNA element which has the ability to move from one chromosomal position to another
Last Answer : Ans. Jumping gene
Description : A self replicating, extra-chromosomal genetic material found in plant cell
Last Answer : Ans. Plastids
Description : Population theory was proposed by
Last Answer : Ans. Malthus
Description : The study of the way in which genes operate and the way in which they are transmitted (heredity) from parents to offsprings
Last Answer : Ans. Genetics
Description : That genes control heredity through their control on enzyme synthesis and that one gene controls the sythesis of one enzyme - the one gene one enzyme hypothesis — was proposed by (a) Beadle and Tatum (b) Darwin (c) Mendel (d) Morgan
Last Answer : Ans:(a)
Description : Experimental verification of the chromosomal theory of inheritance was done by (a) Mendel (b) Sutton (c) Boveri (d) Morgan.
Last Answer : Morgan
Description : the theory that animal behavior stems from heredity and environmental experiences is known as -General Knowledge
Last Answer : The theory that animal behavior stems from heredity and environmental experiences is known as - Sociobiology.
Description : Johann Gregor Mendel is famous for propounding - (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters
Last Answer : (2) Laws of heredity Explanation: The Laws of Heredity are few; their implications for life are vast. The simplest genetic characteristics are those whose presence depends on the genotype ... about the way certain characteristics are transmitted from one generation to another in an organism.
Description : Linnaeus is credited with introducing a) The concept of inheritance b) Law of limiting factor c) Theory of heredity d) Binomial nomenclature
Last Answer : d) Binomial nomenclature
Description : Johann Gregor Mendel is famous for propounding (1) Theory of mutation (2) Laws of heredity (3) Cell theory (4) Theory of acquired characters
Last Answer : Laws of heredity
Description : Students t test was proposed by
Last Answer : Ans. W.S. Gosset
Description : Speaker Speech Audience is a communication model proposed by
Last Answer : Ans. Aristotle
Description : Shannon and Weaver (1949) proposed model of communication
Last Answer : Ans. Source Transmitter Signal Receiver Destination
Description : The term “primary centres of origin’ was proposed by
Last Answer : Ans. Vevilov
Description : The double helix model of DNA proposed by
Last Answer : Ans. Watson and Crick (1953)
Description : Double helix model of DNA was proposed by
Description : Concept “Essentiality of elements” was proposed in 1939 by
Last Answer : Ans. Arnon and Stout
Description : The law of diminishing return was proposed by
Last Answer : Ans. Mitscherlich
Description : The most accepted theory of water absorption
Last Answer : Ans. Transpiration pull theory
Description : Pulsation theory was given by
Last Answer : Ans. J.C. Bose (1923)
Description : Mass flow or pressure flow theory was given by
Last Answer : Ans. Godlewski (1884)
Description : Who developed the theory of acquired character?
Last Answer : Ans. Lamarck
Description : Theory of evolution through natural selection was given by
Last Answer : Ans. C.Darwin and A.R.Wallace (1858)
Description : The accepted theory of Mendal was
Last Answer : Ans. Law of Segregation
Description : Cell theory was given by
Last Answer : Ans. M.J. Schleiden and T.Schwann (1939)
Description : Where is chromosomal DNA located? -Biology
Description : What is chromosomal DNA? -Biology
Description : When does replication of chromosomal DNA occur? -Biology
Description : Why is chromosomal DNA stored at 4 degrees? -Biology
Description : Chromosomal DNA contamination. -Biology
Description : Chromosomal DNA is duplicated in -Biology
Description : Given below is the presentation of a kind of chromosomal mutation : What is the kind of mutation represented
Last Answer : Given below is the presentation of a kind of chromosomal mutation : What is the kind of ... B. duplication C. inversion D. reciprocal translocation
Description : Chromosomal basis of sex determination was discovered in the plant :
Last Answer : Chromosomal basis of sex determination was discovered in the plant : A. Rumex B. Melandrium C. Concinia D. Spharocarpus
Description : Chromosomal movement in Anaphase occurs with the help of :-
Last Answer : Chromosomal movement in Anaphase occurs with the help of :- A. Astral rays B. Centrioles C. NOR D. Spindle fibres
Description : Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification
Last Answer : Answer : A
Description : The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses
Description : Which chromosomal combination is responsible for maleness in man? (1) XO (2) XXX (3) XX (4) XY
Last Answer : Explanation: In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.
Description : Frozen tissue section of a lymph node biopsy from the neck of an old dog shows granulomatous inflammation with large areas of necrosis. Which one would be most important to do? C A. cell surface markers for lymphocyte identification B. chromosomal analysis by karyotyping
Last Answer : cultures for acid fast bacilli and fungi
Description : An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.
Last Answer : (d) PCR.
Description : Mental retardation in man, associated with sex chromosomal abnormality is usually due to (a) moderate increase in Y complement (b) large increase in Y complement (c) reduction in X complement (d) increase in X complement.
Last Answer : (d) increase in X complement.
Description : .Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? (a) Erythroblastosis fetalis - X-linked (b) Down’s syndrome - 44 autosomes + XO (c) Klinefelter’s syndrome - 44 autosomes + XXY (d) Colour blindness - Y-linked
Last Answer : (c) Klinefelter’s syndrome - 44 autosomes + XXY
Description : Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder
Last Answer : (d) X-linked recessive gene disorder
Description : Inheritance of skin colour in humans is an example of (a) point mutation (b) polygenic inheritance (c) codominance (d) chromosomal aberration.
Last Answer : (b) polygenic inheritance
Description : Which one of the following does not differ in E.coli and Chlamydomonas? (a) Ribosomes (b) Chromosomal organization (c) Cell wall (d) Cell membrane
Last Answer : (d) Cell membrane
Description : n bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.
Last Answer : (a) extra chromosomal material
Description : In bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.
Description : Genomic islands are a. Gene Sequences Not Part Of The Chromosomal Genes. b. Adjacent Gene Sequences Unique To One Or A Few Strains In A Species. c. Acquired By HGT. d. Both B And C Are Correct.
Last Answer : d. Both B And C Are Correct.
Description : The following statement is not true of sulbactam: A. It is a broad spectrum β-lactamase inhibitor B. It does not augment the activity of ampicillin against bacteria that are sensitive ... β-lactamases D. Combined with ampicillin, it is highly effective against penicillinase producing N. gonorrhoeae
Last Answer : C. It induces chromosomal β-lactamases