Molecular Biology and Physiological Evidence

Q.

A. The amino acids in the β chain of haemoglobin in Chimpanzee and human are the same. B. The difference in amino acids in the β chain of haemoglobin in rats and human beings is just one amino acid. C. Gorilla, chimpanzee and humans also have the same amino acids in the β chain of haemoglobin. Which of the above are False?

1. Only A
2. Only C
3. Both B and C
4. A, B and C

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

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

Q. The ratio of which of the following gases was 2:1:2, in Miller's experiment?

1. Methane : Ammonia : Hydrogen
2. Ammonia : Methane : Hydrogen
3. Hydrogen: Ammonia : Ethane
4. Methane : Hydrogen: Ammonia

Q.

Eye of fishes and squids are homologous.

1. True

2. False

Q.

Blood transfusion, among which of the following organisms, serves as physiological evidence of evolution?

1. Only (i)

2. Only (iii)

3. Both (i) and (ii)

4. Both (i) and (iii)

Q. Among the following edible fishes, which one is a marine fish having rich source of omega - 3 fatty acids ?

1. Mystus
2. Mackerel
3. Mangur
4. Mrigala

Q. Excess, unnecessary or incomplete dosage of antibiotics may lead to:

1. resistance in bacteria against that antibiotic
2. increased immunity in patient taking antibiotic
3. increase in production of antibodies
4. increase in efficiency of blood circulation

Q.

The ratio of which of the following gases was 2:1:2, in Miller's experiment?

1. Methane : Ammonia : Hydrogen

2. Sulfur : Methane : Hydrogen

3. Oxygen : Methane : Ethane

4. Oxygen : Hydrogen : Ammonia

Q.

Which of the following are homologous organs?

1. Human eye and squid eye

2. Gills of fish and lungs of man

3. Forelimbs of man and wings of bat

4. Sting of bee and scorpion

Q.

The amino acids in β chain of the haemoglobin in a man and a rat differ by a number of

1. 2

2. 31

3. 22

4. 5

Q. Limbs of a frog and lizard are examples of

1. homologous organs
2. analogous organs
3. fossils

Q. Match the images with the appropriate terms used.

1. Homology
2. Analogy
3. Fossils

Q. Presence of gills in a tadpole indicates that:

1. Frogs evolved from gilled ancestors.
2. Fishes evolved from frog like ancestors.
3. Frogs will have gills in future.
4. Fishes were amphibious in the past.