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Published on: 05/12/2020
10th Standard Science Origin and Evolution of Life English Medium Free Online Test 1 Mark Questions 2020-2021
Download Tamil Nadu 10th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
The degenerated wing of ___________ is an example for organ of disuse.
kiwi
chicken
duck
dove
2.
Most _________ and wood fossils are petrified.
bone
soils
sands
rocks
3.
Radioactive Carbon (C14) dating method was discovered by_________.
W.F.Libby
Niels Bohr
Issac Newton
William Harvey
4.
_________ or sediments fill the hollow depression and forms a cast.
Rocks
Sand
Soil
Minerals
5.
Paleobotany is derived from Greek words Paleon that means _________.
old
new
past
aged
6.
Biogenetic law or Recapitulation theory was given by__________
Leonardo da vinci
Ernst Haeckel
Oparin
Haldane
7.
Ancon sheep is an example of _________.
vestigial organ
discontinuous variation
acquired character
natural selection
8.
9.
The best way of direct dating fossils of recent origin is by
Radio-carbon method
Uranium lead method
Potassium-argon method
Both (a) and (c)
10.
Paleontologists deal with
Embryological evidences
Fossil evidences
Vestigial organ evidences
All the above
1.
(a)
kiwi
2.
(a)
bone
3.
(a)
W.F.Libby
4.
(d)
Minerals
5.
(a)
old
6.
(b)
Ernst Haeckel
7.
(b)
discontinuous variation
8.
(d)
9.
(a)
Radio-carbon method
10.
(b)
Fossil evidences
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards