Control and Coordination Test 25

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Control and Coordination Test 25

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Weekly Quiz Competition

Question 1
1 / -0

Which of these movements are not caused by growth?

A
A cat running

B
Children playing on swings,

C
Buffaloes chewing cud

D
All of the above

Solution

A cat running, children playing on swings, buffaloes chewing cud these are not movements caused by growth.
The correct option is D.
Question 2
1 / -0

Which of the following is an involuntary action?

A
Whispering

B
Hitting a volleyball

C
Beating of heart

D
None of the above

Solution

The heart beats on its own and does not require a voluntary action.
The correct option is C.
Question 3
1 / -0

Accidents can happen due to ___________ motion of the body.

A
Uncoordinated

B
Coordinated

C
Both A and B

D
None of the above

Solution

Accidents can happen if the body does not coordinate properly, like falling off the stairs when feet do not coordinate properly.
The correct option is A.
Question 4
1 / -0

Dancing is a __________ activity.

A
Voluntary

B
Coordinated

C
Both A and B

D
None of the above

Solution

Dancing is both coordinated and voluntary activity.
Question 5
1 / -0

The communication between the central nervous system and the other parts of the body is facilitated by the ____________________.

A
Hindbrain

B
Peripheral nervous system

C
Forebrain

D
Spinal cord

Solution

The communication between the central nervous system and the other parts of the body is facilitated by the peripheral nervous system consisting of cranial nerves arising from the brain and spinal nerves arising from the spinal cord.
The correct option is B.
Question 6
1 / -0

________________ protects the spinal cord.

A
Cranium

B
Vertebral column

C
Cerebellum

D
Ribcage
Solution
- The vertebral column or the backbone protects the spinal cord.
- Skull or cranium is a hard protective case for the brain while ribcage protects internal organs like the heart and lungs.
- The cerebellum is a part of the hindbrain.
The correct option is B.
Question 7
1 / -0

Fill in the blank:
Involuntary actions like blood pressure, salivation and vomiting are controlled by the ____________ in the hind-brain.

A
Cerebrum

B
Pons

C
Medulla

D
Cerebellum

Solution

Involuntary actions like blood pressure, salivation and vomiting are controlled by the medulla in the hind-brain.
The correct option is C.
Question 8
1 / -0

Match column I (type of growth curvature) Column II (examples)
Column I Column II
a Ageotropism 1 Stem
b Plagiotropism 2 Lateral branches, leaves
c Diageotropism 3 Coralloid roots of Cycas
d Negative geotropism 4 Rhizome, stolons

A
a- 2, b- 3 c- 4, d- 1

B
a-3, b- 2, c- 4, d- 1

C
a-4, b-3, c- 2, d-1

D
a-1, b- 4, c- 2, d-3

Solution

Ageotropism is growth of plant part irrespective of the direction of action of a particular force, here, gravitation. Example - Coralloid roots of Cycas. Plagiotropism is the growth plant part in a direction which is at an angle to the direction of action of the force. Example - leaves and lateral branches. Diageotropic growth of organs like Rhizomes and stolons at 900 to the direction of gravitational force. Negative geotropism is growth of the plant part in a direction opposite to that of gravitational attraction. Example stem.
So, the correct answer is a-3, b- 2, c- 4, d- 1
Question 9
1 / -0

Which of the following can be associated with the level of intelligence?

A
Skull size

B
Brain SIze

C
Neuron size

D
None of the above

Solution

Intelligence is not associated with brain, skull, or neuron size. There are other factors that affect the level of intelligence in an organism. Some of them are neural connections, number of gyri and sulci, etc.
Therefore, none of the above options are correct
Question 10
1 / -0

Which of the following cells cannot be grown under tissue culture conditions?

A
Hela cells

B
Leucocytes

C
Kidney cells

D
Nerve cells
Solution
Tissue culture is the culture of cells in in vitro conditions. Many types of cells can be grown through tissue culture in a culture medium.
A. HeLa is an immortal cell line used in scientific research. It is the oldest and most commonly used human cell line.
B. Leucocytes or the white blood cells can be cultured in a culture medium.
C. Kidney cells can also be cultured in a culture medium.
D. The culture of neuronal cells is particularly challenging since mature neurons do not undergo cell division. Hence, nerve cells cannot be grown under tissue culture conditions.
So, the correct answer is 'Nerve cells'.

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Re-Attempt Weekly Quiz Competition

	Column I		Column II
a	Ageotropism	1	Stem
b	Plagiotropism	2	Lateral branches, leaves
c	Diageotropism	3	Coralloid roots of Cycas
d	Negative geotropism	4	Rhizome, stolons

Control and Coordination Test 25

Result

Control and Coordination Test 25

Score

-

Rank

-

SHARING IS CARING

Question 1

A cat running

Children playing on swings,

Buffaloes chewing cud

All of the above

Solution

Question 2

Whispering

Hitting a volleyball

Beating of heart

None of the above

Solution

Question 3

Uncoordinated

Coordinated

Both A and B

None of the above

Solution

Question 4

Voluntary

Coordinated

Both A and B

None of the above

Solution

Question 5

Hindbrain

Peripheral nervous system

Forebrain

Spinal cord

Solution

Question 6

Cranium

Vertebral column

Cerebellum

Ribcage

Solution

Question 7

Cerebrum

Pons

Medulla

Cerebellum

Solution

Question 8

a- 2, b- 3 c- 4, d- 1

a-3, b- 2, c- 4, d- 1

a-4, b-3, c- 2, d-1

a-1, b- 4, c- 2, d-3

Solution

Question 9

Skull size

Brain SIze

Neuron size

None of the above

Solution

Question 10

Hela cells

Leucocytes

Kidney cells

Nerve cells

Solution

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