support and movement in plant and human

support and movement in plant and human

12th Grade

13 Qs

quiz-placeholder

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support and movement in plant and human

support and movement in plant and human

Assessment

Quiz

Biology

12th Grade

Hard

Created by

طارق محمد

Used 6+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

which of the following graphs represents the relationship between cutin layer thickness and environmental conditions ( raIinfall and drought)

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

Media Image

In the diagram , where would you find the stored Ca+2?

B

D

G

F

K

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the diagram , sarcolemma is represented by

K

I

L

M

A

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the diagram, sarcoplasm is represented by

K

C

L

D

E

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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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