Gentics And Evoloution - Study Mode

[#371] Among the chemical mutagens, hydroxylamine affects
Correct Answer

(C) Cytosine and Guanine

[#372] Consider the following statements of Kupier (1949, 1951) and choose the correct answer: 1. A part of a huge cloud of dust and gas condensed to form primarily a proto-sun of low density surrounded by a rotating cloud disk 2. The proto-earth probably was a low-temperature body of gases and solids of about 500 times the earth's present mass 3. The accumulation of cold solid, the planetesimals, is the main process in the formation of primitive earth 4. The size of the planetesimals ranged in between the size of asteroids and that of dust particles
Correct Answer

(D) Only 1 and 2 are true

[#373] The reactions involved in translocation during protein synthesis include
Correct Answer

(D) All of the above

[#374] According to the morphological and anatomical evidences of organic evolution, the similarity in the structure of the strobili of Lycopods and gymnosperms prove that
Correct Answer

(B) Gymnosperms might have evolved from the Lycopods

[#375] There are certain forms of species where males are altogether absent and females are produced by parthenogenesis which are always
Correct Answer

(B) Diploid