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TN State Board
TN 10th Standard
Science
TEST : 13
TN State Board
TN 10th Standard
Science
Chapter 15: Nervous System
Prepare / Learn
Q1.
There are ________ pairs of cranial nerves and ________ pairs of spinal nerves.
A.
12, 31
B.
31, 12
C.
12, 13
D.
12, 21
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 16: Plant and Animal Hormones
Prepare / Learn
Q2.
LH is secreted by
A.
Adrenal gland
B.
Thyroid gland
C.
Anterior pituitary
D.
Hypothalamus
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 17: Reproduction in Plants and Animals
Prepare / Learn
Q3.
Male gametes in angiosperms are formed by the division of ___________ .
A.
Generative cell
B.
Vegetative cell
C.
Microspore mother cell
D.
Microspore
View Solution
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Answer :
Option A
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 18: Heredity
Prepare / Learn
Q4.
Okasaki fragments are joined together by ___________________.
A.
Helicase
B.
DNA polymerase
C.
RNA primer
D.
DNA ligase
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 20: Breeding and Biotechnology
Prepare / Learn
Q5.
We can cut the DNA with the help of
A.
scissors
B.
restriction endonucleases
C.
knife
D.
RNAase
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 21: Health and Diseases
Prepare / Learn
Q6.
Coronary heart disease is due to
A.
Streptococci bacteria
B.
Inflammation of pericardium
C.
Weakening of heart valves
D.
Insufficient blood supply to heart muscles
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 22: Environmental Management
Prepare / Learn
Q7.
Soil erosion is more where there is
A.
no rain fall
B.
low rainfall
C.
rain fall is high
D.
none of these
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 1: Laws of Motion
Prepare / Learn
Q8.
The unit of ‘g’ is m s
-2
. It can be also expressed as
A.
cm s
-1
B.
N kg
-1
C.
N m
2
kg
-1
D.
cm
2
s
-2
View Solution
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Answer :
Option B
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 2: Optics
Prepare / Learn
Q9.
Power of a lens is –4D, then its focal length is
A.
4m
B.
–40m
C.
–0.25 m
D.
–2.5 m
View Solution
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Answer :
Option C
Explaination / Solution:
No Explaination.
TN State Board
TN 10th Standard
Science
Chapter 5: Acoustics
Prepare / Learn
Q10.
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
A.
speed
B.
frequency
C.
wavelength
D.
none of these
View Solution
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Answer :
Option D
Explaination / Solution:
No Explaination.
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TN State Board
TN 10th Standard
Science
TEST : 13
Science
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Chapter 1: Laws of Motion
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Chapter 2: Optics
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Chapter 3: Thermal Physics
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Chapter 4: Electricity
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Chapter 5: Acoustics
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Chapter 6: Nuclear Physics
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Chapter 7: Atoms and Molecules
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Chapter 8: Periodic Classification of Elements
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Chapter 9: Solutions
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Chapter 10: Types of Chemical Reactions
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Chapter 11: Carbon and its Compounds
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Chapter 12: Plant Anatomy and Plant Physiology
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Chapter 13: Structural Organisation of Animals
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Chapter 14: Transportation in Plants and Circulation in Animals
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Chapter 15: Nervous System
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Chapter 16: Plant and Animal Hormones
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Chapter 17: Reproduction in Plants and Animals
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Chapter 18: Heredity
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Chapter 19: Origin and Evolution of Life
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Chapter 20: Breeding and Biotechnology
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Chapter 21: Health and Diseases
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Chapter 22: Environmental Management
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Chapter 23: Visual Communication
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