which of the following graphs represents the relationship between cutin layer thickness and environmental conditions ( raIinfall and drought)
support and movement in plant and human

Quiz
•
Biology
•
12th Grade
•
Hard

طارق محمد
Used 6+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a
b
c
none
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Read the statement regarding myofibril and choose the correct option :
1- Each myofibril halined alternate dark and light bands.
2-In the center of each A band is an elastic fiber called Z-line
3- A and I are arranged alternately through out the length of myofibril.
4- The sarcomere is the functional unit of contraction
5- The central part of thick filament not overlapped by a thin filament is M line
1,3,5 only are correct
2,5 only are correct
2,3 are only correct
1,3,4 are only correct
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the diagram , where would you find the stored Ca+2?
B
D
G
F
K
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the diagram , sarcolemma is represented by
K
I
L
M
A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the diagram, sarcoplasm is represented by
K
C
L
D
E
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the diagram, myofibril is represented by
I
A
H
J
M
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Statement (A) Calcium activates inter effect of actin and myosin
Reason (R) Sarcomere is shortened as Z is pulled in slide , attached with myosin
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is true but R is true
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