Wired Faculty
Mitochondria contains
only DNA
DNA and RNA
only RNA
None of the above
B.
DNA and RNA
Mitchondria consists of DNA, RNA and ribosome. Hence, it is known as semi- autonomous body.
Which of the following shows minimum number of chromosomes?
n : 1
n : 2
n : 3
n : 4
A.
n : 1
Minimum number of chromosomes are present haploid, i.e. n : 1.
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Which of the following is formed in light reaction of photosynthesis?
ATP
NADPH2
O2
All of the above
D.
All of the above
The assimilatory power (ATP and NADPH2) and oxygen forms in the light reaction of photosynthesis.
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Who proposed 'fluid mosaic model' of plasma membrane?
Singer and Nicholson
Robertson
Benneson
None of the above
A.
Singer and Nicholson
Singer and Nicholson proposed fluid mosaic model of plasma membrane. According to this model, there is a lipid bilayer in which the protein molecules are embedded. The lipid bilayer gives fluidity and elasticity to the membrane.
Respiratory roots (pneumatophores) are present in
mesophytes
halophytes
xerophytes
None of these
B.
halophytes
Respiratory roots or pneumatophores present in halophytic plants like Rhizophora, Sonneratia, etc.
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Mock Test Series
