Theory of Biogenesis

Q.

New cells generate from

(a) bacterial fermentation

(b) regeneration of old cells

(c) pre-existing cells

(d) abiotic materials

Q. Match the following theories with their explanations:

Column I	Column II
1. Spontaneous generation	A. life comes from pre-existing ones
2. Biogenesis	B. life comes spontaneously from nonliving
3. Panspermia	C. life originates from inorganic matters
4. Abiogenesis	D. spores of life were transferred from different planets

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

Q.

Diff btw theory of spontaneous generation and abiogenesis...also work of Urey Miller comes under abiogenesis or biogenesis?

Q. Which of the following theory was disapproved by swan neck experiment of Louis Pasteur?

1. None of the above
2. Spontaneous generation theory
3. Biogenesis
4. Abiogenesis

Q. Pasteur succeeded in disproving the spontaneous generation theory because

1. He was lucky.
2. He was ingenious in drawing out the neck of glass flasks, so as to provide access to air but not to microorganisms.
3. Of the fact that sample of yeast taken by him was dead.
4. Of the clear surrounding of his laboratory.

Q. Pasteur succeeded in disproving the spontaneous generation theory because:

1. The sample of yeast taken by him was dead
2. The surrounding of his laboratory was clean
3. The neck of the glass flask was so designed as to allow air to enter, but not the microbes
4. He was lucky

Q.

Identify the incorrect statements regarding origin of life:

(i) The Swan-necked flask experiment was performed by Stanley Miller.
(ii) Louis Pasteur is famous for propounding the Theory of Panspermia.
(iii) Louis Pasteur disproved spontaneous generation theory forever.
(iv) The Cosmozoic theory of origin of life was proposed by Saurez.

Q. Transformation was discovered by

1. Meselson and Stahl
2. Watson and Crick
3. Griffith
4. Hershey and Chase

Q.

New cells generate from

(a) bacterial fermentation (b) regeneration of old cells

(c) pre-existing cells (d) abiotic materials

Q. Pasteur succeeded in disproving the spontaneous generation theory because:

1. The sample of yeast taken by him was dead
2. The surrounding of his laboratory was clean
3. The neck of the glass flask was so designed as to allow air to enter, but not the microbes
4. He was lucky

Q. Pasteur succeeded in disproving the theory of spontaneous generation because

1. The laboratory was clean.
2. He was lucky.
3. Yeast used in flask were dead.
4. He pulled out the neck of flask into a tube.

Q. The idea of life arising out of non-living things suddenly is known as

1. Genesis
2. Panspermia
3. Biogenesis
4. Abiogenesis

Q. Who rejected theory of spontaneous generation?

1. Lavoiser
2. Pasteur
3. Kuhn
4. Lister

Q. According to abiogenic origin of life, proposed by Oparin ............. was the simplest organic compound to arise.

1. Organic acids
2. Hydrocarbons
3. Carbohydrates
4. Proteins

Q. The scientist related with the theory of biogenesis and who has done experiment with swan necked flask is

1. Louis Pasteur
   
2. Miller
3. van Helmont
4. Haeckel
   

Q. Francesco Redi experimentally proved

1. Abiogenesis
2. None of the above
3. Spontaneous origin of life
4. Biogenesis

Q. Francesco Redi experimentally proved

1. Biogenesis
2. Abiogenesis
3. Spontaneous origin of life
4. None of the above

Q. The theory of spontaneous generation was firmly rejected by the work of:

1. J. B. S. Haldane
2. Alexander Oparin
3. Georges Lemaitre
4. Louis Pasteur

Q. Match the following theories with their explanations:

Column I	Column II
1. Spontaneous generation	A. life comes from pre-existing ones
2. Biogenesis	B. life comes spontaneously from nonliving
3. Panspermia	C. life originates from inorganic matters
4. Abiogenesis	D. spores of life were transferred from different planets

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

Q. State two postulates of Orparin and Haldane with reference to origin of life.

Q. According to the theory of , life originated from inorganic matter.

1. biogenesis
2. abiogenesis
3. panspermia
4. evolution

Q. Pasteur succeeded in disproving the spontaneous generation theory because:

1. The sample of yeast taken by him was dead
2. The surrounding of his laboratory was clean
3. The neck of the glass flask was so designed as to allow air to enter, but not the microbes
4. He was lucky

Q. According to the theory of , life originated from inorganic matter.

1. biogenesis
2. abiogenesis
3. panspermia
4. evolution

Q. The theory of spontaneous generation was firmly rejected by the work of:

1. Alexander Oparin
2. Louis Pasteur
3. Georges Lemaitre
4. J. B. S. Haldane

Q. Which among the following was proven by Louis Pasteur?

1. Spontaneous generation theory
2. Oparin-Haldane theory
3. Theory of special creation
4. Life comes only from the pre-existing life

Q.

what is panspermia , how louis pasteur use this term & hence explain spontaneous theory?

Q. To disprove the theory of spontaneous origin of life, the nutritious broth in glass flasks was boiled and sealed. The bottle remained clear and sterile. Who was first to perform such and experiment?

1. Pasteur
2. Lazzaro Spallanzani
3. Oparin
4. Francesco Redi