set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 5 EXERCISES
The following question based on genetics, evolution of life & ecological biodiversity topic of general science mcq
(a) inflorescence
(b) thalamus
(c) fruit
(d) ovary
The correct answers to the above question in:
Answer: (a)
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Read more genetics evolution of life and ecological biodiversity Based General Science Questions and Answers
Question : 1
The last chain of food are
a) Parasites
b) Producers
c) Decomposers
d) None of the above
Answer »Answer: (c)
Question : 2
Leaves of dicotyledonous plants possess ________ venation, while ____________ venation is the characteristic of most monocotyledons.
a) reticulate and perpendicular respectively
b) reticulate and parallel respectively
c) parallel and reticulate respectively
d) obliquely and parallel respectively.
Answer »Answer: (b)
Question : 3
In the context of ecology and environment, what does the Red Data Book pertain to?
a) A description of the consequences of nuclear holocaust
b) Details of harmful levels of various pollutants
c) A complete list of all endangered plants and animals
d) A description of the sociological and psychological consequence of genetically modified plants and animals
Answer »Answer: (b)
Question : 4
Initiation codons for protein synthesis are
a) AGA and GUA
b) AAU and UAA
c) UUU AND GGG
d) GUG and AUG
Answer »Answer: (d)
Eukaryotes use AUG as initiation codon while prokaryotes use AUG as well as GUG as start codons.
Question : 5
Who proved that DNA is basic genetic material?
a) Watson
b) Boveri and Sutton
c) Griffith
d) Hershey and Chase
Answer »Answer: (d)
Question : 6
Mutation rates are affected by
a) X-rays
b) gamma and beta radiation
c) temperature
d) All of the above
Answer »Answer: (d)
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