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) Salamander - Python - Kangaroo
(b) Octopus - Dolphin - Shark
(c) Pangolin - Tortoise - Hawk
(d) Frog - Crab – Prawn
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
Dinosaurs were
a) Paleozoic amphibians
b) Cenozoic reptiles
c) Mesozoic birds
d) Mesozoic reptiles
Answer »Answer: (d)
Question : 2
Consider the following statements :
- Earth is kept warm due to green house flux.
- The reproduction and other activities of living organisms are affected by the abiotic components of ecosystem.
- Ecology is the scientific study of the interaction of organisms with each other and the environment.
a) A, B and C
b) A and B
c) B and C
d) None of these
Answer »Answer: (a)
Question : 3
Consider the following statements about Progeria :
- Progeria is the genetic disease associated with fast ageing.
- Progeria patients never live beyond early twenties.
- It happens due to point mutation replacing Cytosine by Thymine.
a) 2 and 3
b) 1 only
c) 1, 2, 3
d) 2 and 3
Answer »Answer: (c)
Hutchinson–Gilford Progeria Syndrome is an extremely rare genetic disorder wherein symptoms resembling aspects of aging are manifested at a very early age. It is caused due to point mutation where cytosine is replaced by thymine.
Question : 4
The process of translation is
a) protein synthesis
b) DNA synthesis
c) ribosome synthesis
d) RNA synthesis
Answer »Answer: (a)
Protein synthesis occurs over ribosomes which are also referred to as protein factories.
Question : 5
An alga very rich in protein is
a) Oscillatoria
b) Spirogyra
c) Ulothrix
d) Chlorella
Answer »Answer: (d)
Chlorella can be grown to provide human food rich in proteins, lipids, carbohydrates, vitamins and minerals.
Question : 6
The term ‘Survival of Fittest’ was used by
a) Jean Baptiste
b) Charles Darwin
c) Herbert Spencer
d) Hugo de Vries
Answer »Answer: (c)
Herbert Spencer
He is a sociologist, who coined the phrase “survival of fittest” to explain the tendency of human society to change by itself as the strongest and fittest survive while the weak abolish themselves.
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