Zoology Objective Question.(12)

111) 10% Low of energy transfer in food chain was given by :

1. Lindeman
2. stanley
3. Tansley
4. Weismann

112) The low of limiting factors’was proposed by :

1. Blackman
2. Leibig
3. Hatch and Slack
4. Arnol

113) H.J.Muller had received Nobel prize for:

1. ptoving that the DNA is a genetic material
2. his studies on Drosophila for genetic study
3. inducing x-ray mutations
4. None of these

114) Double helical model for DNA molecule was proposed by:

1. Watson and Crick
2. Beadle and Tatum
3. Feulgen and Rossenbeckd
4. Knoll Ruska

115) Laws of inheritance were given by :

1. Lamarck
2. Kkhorana
3. Mendel
4. Darwin

116) Linkae was discovered by:

1. Margan
2. Mandel
3. Bridges
4. None of these

117) The cell nucleus was discovered by :

1. Robert Brown
2. Robert Hooke
3. De Duve
4. None of these

118) Who has discovered lysosomes ?

1. Rene Dutrochet
2. Robert Brown
3. Robert hooke
4. de Duve

119) Viruses were extracted in pure form and cysallised by:

1. W.M.Stanley
2. Ivanowsky
3. Beijerinck
4. Miller

120) Theory of continuity of germplasm is given by:

1. Austin
2. Darwin
3. Lamarck
4. Weismann