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TN 10TH SCIENCE - Online Test
tn 10th science
TEST : 1
# Chapter 9: Solutions
# TN 10th Science
Prepare / Learn
Q1.
A solution is a __________ mixture.
A.
homogeneous
B.
heterogeneous
C.
homogeneous and heterogeneous
D.
non homogeneous
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 10: Types of Chemical Reactions
# TN 10th Science
Prepare / Learn
Q2.
H
2(g)
+ Cl
29(g)
→
2HCl
(g)
is a
A.
Decomposition Reaction
B.
Combination Reaction
C.
Single Displacement Reaction
D.
Double Displacement Reaction
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 11: Carbon and its Compounds
# TN 10th Science
Prepare / Learn
Q3.
The molecular formula of an open chain organic compound is C
3
H
6
. The class of the compound is
A.
alkane
B.
alkene
C.
alkyne
D.
alcohol
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 12: Plant Anatomy and Plant Physiology
# TN 10th Science
Prepare / Learn
Q4.
Casparian strips are present in the _____________ of the root.
A.
cortex
B.
pith
C.
pericycle
D.
endodermis
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# Chapter 13: Structural Organisation of Animals
# TN 10th Science
Prepare / Learn
Q5.
In leech locomotion is performed by
A.
Anterior sucker
B.
Posterior sucker
C.
Setae
D.
None of the above
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# Chapter 14: Transportation in Plants and Circulation in Animals
# TN 10th Science
Prepare / Learn
Q6.
Active transport involves
A.
movement of molecules from lower to higher concentration
B.
expenditure of energy
C.
it is an uphill task
D.
all of the above
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# Chapter 15: Nervous System
# TN 10th Science
Prepare / Learn
Q7.
Bipolar neurons are found in
A.
retina of eye
B.
cerebral cortex
C.
embryo
D.
respiratory epithelium
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 16: Plant and Animal Hormones
# TN 10th Science
Prepare / Learn
Q8.
Gibberellins cause:
A.
Shortening of genetically tall plants
B.
Elongation of dwarf plants
C.
Promotion of rooting
D.
Yellowing of young leaves
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 17: Reproduction in Plants and Animals
# TN 10th Science
Prepare / Learn
Q9.
The plant which propagates with the help of its leaves is ___________.
A.
Onion
B.
Neem
C.
Ginger
D.
Bryophyllum
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# Chapter 18: Heredity
# TN 10th Science
Prepare / Learn
Q10.
According to Mendel alleles have the following character
A.
Pair of genes
B.
Responsible for character
C.
Production of gametes
D.
Recessive factors
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
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