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 : Operon model of gene regulation and organisation of prokaryotes was proposed by: (a) Messelson and Stahl (b) Wilkins and Franklin (c) Beadle and Tatum (d) Jacob and Monod
Last Answer : Ans. ((d))
Description : Lock' and Key' model of enzyme action proposed by Fisher implies that (A) The active site is flexible and adjusts to substrate (B) The active site requires removal of PO4 group ( ... complementary in shape to that of the substrate (D) Substrates change conformation prior to active site interaction
Last Answer : Answer : C
Description : The induced fit model of enzyme action was proposed by (A) Fischer (B) Koshland (C) Mitchell (D) Markert
Last Answer : Answer : B
Description : Who had proposed the chromosomal theory of the inheritance? -Biology
Last Answer : answer:
Description : By whom was the most important theory of general biology proposed? -Do You Know?
Description : Which Biologist proposed the theory of Germ plasm? -Do You Know?
Description : Big bang theory was proposed by :
Last Answer : Big bang theory was proposed by : A. Kant B. Miller C. Lemaitre D. Drawin
Description : $ The Heterotroph theory of origin of life was proposed by Haldane. ! That part of earth which is without any traces of life is called Abiotic earth.
Last Answer : $ The Heterotroph theory of origin of life was proposed by Haldane. ! That part of earth which is without ... is wrong D. If both As and R are wrong.
Description : $ "Transpiration pull Theory" was proposed by Dixon and Joly . ! Loss of water droplets from hydathodes is called Guttation.
Last Answer : $ "Transpiration pull Theory" was proposed by Dixon and Joly . ! Loss of water droplets from hydathodes is ... wrong D. If both As and R are wrong.
Description : Cell theory was proposed by -
Last Answer : Cell theory was proposed by - A. A Botanist B. A Zoologist C. A botanist and zoologist D. A psychologist
Description : Who proposed the cell theory?
Last Answer : Who proposed the cell theory?
Description : Who was an ancient philosopher that first proposed the atomic theory?
Last Answer : Leucippus (approx. 500 BC) and Democritus (approx. 460-370BC)
Description : Chemiosmotic theory for oxidative phosphorylation has been proposed by (A) Chance and Williams (B) Pauling and Corey (C) S. Waugh (D) P. Mitchell
Last Answer : Answer : D
Description : ‘Lock’ and ‘Key’ theory was proposed by (A) Sorenson (B) Fischer (C) Mehler (D) Sanger
Description : Population theory was proposed by
Last Answer : Ans. Malthus
Description : Chromosomal theory of heredity was proposed by
Last Answer : Ans. W. Sutton (1902)
Description : Who proposed VSEPR theory ? What does it explain ?
Last Answer : VSEPR theory was proposed by Sedgwick and Powell. It explains the shapes of polyatomic molecules.
Description : Which theory explains the paramagnetic nature of oxygen ? Who proposed it ?
Last Answer : Molecular orbital theory, proposed by Hunds and Mulliken
Description : The Theory of Inheritance of Acquired Characters for the origin of species was proposed by: (a) Jean Lamark (b) J.B.S. Haldane (c) August Weismann (d) Harold Urey
Description : That life arose from interactions of simple chemical compounds on primitive earth, the chemosynthetic theory of life, was proposed by: (a) A.I. Oparin (b) Louis Pasteur (c) Charles Darwin (d) Lamark
Description : The theory of spontaneous generation of life was proposed by: (a) Aristotle (b) Lamark (c) Leewen hock (d) Louis Pasteur
Description : The innovation theory of profit was proposed by - (1) Marshall (2) Clark (3) Schumpeter (4) Joan Robbinson
Last Answer : (3) Schumpeter Explanation: The Innovation Theory of Profit was proposed by Joseph. A. Schumpeter, who believed that an entrepreneur can earn economic profits by introducing successful innovations. In ... to introduce innovations and the profit in the form of reward is given for his performance.
Description : Who proposed first atomic theory? (1) E.Rutherford (2) De Broglie (3) John Dalton (4) D.I.Mendeleef
Last Answer : (3) John Dalton Explanation: Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by John Dalton (1766-1844).
Description : Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev
Description : ‘The Corpuscular theory' related to light was proposed by?
Last Answer : Isaac Newton in 1675
Description : Wave theory of light was proposed by?
Last Answer : Christian Huygens
Description : Einstein proposed the General Theory of Relativity in?
Last Answer : 1915
Description : Einstein proposed the Special Theory of Relativity in?
Last Answer : 1905
Description : Who proposed the theory of Biogenesis?
Last Answer : Louis Pasteur
Description : First Atomic theory was proposed by? A. John Dalton (Answer) B. E.Rutherford C. De Broglie D. D.I.Mendeleef
Last Answer : A. John Dalton (Answer)
Description : Which Biologist proposed the theory of Germ plasm?
Last Answer : Weisman
Description : The theory of relativity was proposed in a) 1920 b) 1915 c) 1905 d) 1895
Last Answer : c) 1905
Description : who was proposed the theory of sexual selection a)Charles Darwin b) Lamarck c) De varies d) Hackle
Last Answer : a)Charles Darwin
Description : Who proposed mutation theory a. J.B. Lamarck b. Charles Darwin c. Hugo de vries d. Mendel
Last Answer : c. Hugo de vries
Description : The theory of inheritance of acquired characters are proposed by a. J.B. Lamarck b. Charles Darwin c. Gregor Mendel d. Hugo De vries
Last Answer : b. Charles Darwin
Description : Vitamin theory was proposed by (a) Hepkins and Funk (b) Holly and Khorana (c) Watson and Crick (d) Jensen and Meischer
Last Answer : (a) Hepkins and Funk
Description : Histogen theory was proposed by
Last Answer : Histogen theory was proposed by – Hanstein
Description : ERG theory of motivation was proposed by (a) Maslow ; (b) F. Herzberg ;(c) Alderfer ; (d) Mc Gregor
Last Answer : ;(c) Alderfer ;
Description : Which of the following Greek philosophers proposed the first atomic theory around 400 B.C.? Was it w) Plato x) Archimedes y) Aristotle z) Democritus
Last Answer : ANSWER: D -- DEMOCRITUS
Description : The two factor theory of intelligence was proposed by Options: A) Spearman B) Wechsler C) Piaget D) Binet
Last Answer : A) Spearman
Description : Identify the incorrect statement: (A) A hypothesis is made on the basis of limited evidence as a starting point for further investigations. (B) A hypothesis is a basis for reasoning without ... is a proposed explanation for a phenomenon. (D) Scientific hypothesis is a scientific theory.
Last Answer : (D) Scientific hypothesis is a scientific theory.
Description : 1. What was Sachin Tendulkar's average when he made his first thousand runs in ODls? 2. By whom was the most important theory of general biology proposed? 3. After howmany years is ... associated with anticyclone? 20. During which Gupta king's reign did the chinese traveller Fahien visit India?
Last Answer : Answer : 1. 35.83 2. Darwin and Wallace 3. Every five years 4. Karnataka 5. K. P. Kesava Menon 6. Holes 7. Ukraine 8. Syndicate Bank 9. Arid 10. Jawaharlal Nehru 11. Nicotine 12. Dr. B. R ... compression 15. Calcutta 16. R.E. Grant Govan 17. India 18. 1985 19. Fine and dry 20. Chandragupta II
Description : 1. Which day is the International Human Rights Day? 2. Bahadur Singh is a distinguished athlete of which game? 3. Which Biologist proposed the theory of Germ plasm? 4. Which pair of states is the ... . In how many time zones has the world been divided into? 20. Which contains the Gayatri Mantra?
Last Answer : Answer : 1. December 10th 2. Athletics 3. Weisman 4. Andhra Pradesh and Gujarat 5. Alauddin Khalji 6. Part II, Articles 5-11 7. Ultrasonic 8. Taxation only 9. 4.2 light years 10. Shahjahan 11. 5 ... 30 14. Moon 15. Zebunnisa 16. Anthracite 17. Vinoba Bhave 18. Steady growth begins 19. 24 20. Rigveda
Description : The innovation theory of profit was proposed by (1) Marshall (2) Clark (3) Schumpeter (4) Joan Robbinson
Last Answer : Schumpeter
Description : The first clinical gene therapy was given in 1990 to a 4 years old with enzyme deficiency of
Last Answer : The first clinical gene therapy was given in 1990 to a 4 years old with enzyme deficiency ... tyrosine oxidase C. monaine oxidase D. monamine oxidase
Description : Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase ... is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis
Description : Which one of the following statements concerning glucose-6-phosphate dehydrogenase deficiency is correct? (A) Young R.B.Cs, particularly reticulocytes, contain the highest enzyme activity cells show less enzyme ... PD gene (D) G-6-PD deficiency is precipitated by ingestion of drugs such as aspirin
Last Answer : Answer : A
Description : Regulator gene controls chemical synthesis (Operon concept) by (a) Inhibiting transcription of mRNA (b) Inhibiting enzymes (c) Inhibiting passage of mRNA (d) Inhibiting substrate enzyme reaction
Last Answer : Ans. ((a))
Description : An important step in protein synthesis is transcription. Which of the following statement(s) is/are true concerning this process? a. The first step in gene transcription involves separating the double helix ... nucleus to the cytoplasm d. Only one protein can be produced from an initial mRNA strand
Last Answer : Answer: c Transcription of a gene begins at an initiation site associated with a specific DNA sequence, termed a promoter region. After binding to DNA, the RNA polymerase opens up a short ... different proteins from the same gene. mRNA is exported from the nucleus only after processing is complete