Structural Organisation in Animals Test

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Structural Organisation in Animals Test - 66

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Weekly Quiz Competition

Question 1
1 / -0

The given figure shows alimentary canal of cockroach. Identify the parts labelled as A to D and select the correct option.

A
A- Gizzard; B- Crop; C- Hepatic caecae; D- Malpighian tubules

B
A- Crop; B- Gizzard; C- Hepatic caecae; D- Malpighian tubules

C
A- Crop; B- Gizzard; C- Malpighian tubules; D- Hepatic caecae

D
A- Gizzard; B- Crop; C- Malpighian tubules; D- Hepatic caecae

Solution

A - Crop
B - Gizzard
C - Hepatic caeca
D - Malpighian tubules
So, the correct answer is 'A- Crop; B- Gizzard; C- Hepatic caecae; D- Malpighian tubules'.
Question 2
1 / -0

Which one of the following structures in Pheretima is correctly matched with its function?

A
Clitellum- Secretes cocoon

B
Gizzard- Absorbs digested food

C
Setae- Provides defence against predators

D
Typhlosole- Storage of extra nutrients

Solution

Clitellum-secretes cocoon where fertilisation and development takes place.
Gizzard- grinds the food
Setae- help in locomotion
Typhlosole- increases area of absorption in intestine.
Question 3
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What is common between earthworm and Periplaneta?

A
Both have red coloured blood.

B
Both possess anal styles.

C
Both have Malpighian tubules.

D
Both have segmented body.

Solution

Both earthworm (annelid) and Periplaneta (arthropod) have segmented bodies. In earthworm, the body is metamerically segmented while in Periplaneta, it is externally segmented.
Question 4
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Read the following statements about cockroach
(i) In male cockroach, a characteristic mushroom shaped gland is present in the 6th and 7th abdominal segments which junctions as an accessory reproductive gland.
(ii) Cockroach is uricotelic
(iii) The fat body and uricose glands are glandular in function
(iv) Blood from sinuses enter heart through ostia and is pumped anteriorly to sinuses again
Which of the above statements are correct?

A
(i), (ii) and (iv)

B
(ii) and (iii)

C
(i) and (iv)

D
(ii) and (iv)

Solution

In cockroach, excretion is done by Malpighian tubules. In addition, the fat body, nephrocytes and uricose glands also help in excretion.
Question 5
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Select the correct option:
Which one of the following statements is true for cockroach?

A
The number of ovaries in each ovary are ten

B
The larval stage is called caterpillar

C
Anal styles are absent in females

D
They are ureotelic

Solution

Anal styles are paired, thin, unjointed outgrowths, projecting backwardly from the sides of 9th sternum of the male cockroach only. They are absent in females. The number of ovarioles in each ovary are eight. The larval stage of cockroach is called nymph. Cockroach is uricotelic.
Question 6
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Which one of the following statements is correct regarding cockroach?

A
Head is oval in shape

B
There are 10 pairs of spiracles (2 pairs of thorax and 8 pairs on abdomen)

C
Heat is differentiated into funnel shaped chambers with setae on either side

D
Each eye consists of about 1000 hexagonal ommatidia

Solution

In cockroach, head is triangular in shape. heart is differentiated into funnel shaped chambers with ostia on either side. Each eye consists of about 2000 hexagonal ommatidia.
Question 7
1 / -0

Cloaca is a small, median chamber that is used to pass

A
faecal matter

B
urine

C
sperms

D
all of these

Solution

The cloaca is a small, median chamber that is used to pass faecal matter, urine and sperms. So, the correct answer is (d).
Question 8
1 / -0

The figure given here shows diagrammatic representation of internal organs of frog.
Identify A to E and select the correct option.

A
A- Gall bladder; B- Liver; C- Ovary; D- Testis; E- Rectum

B
A- Liver; B- Pancreas; C- Fat bodies; D- Testis; E- Gall bladder

C
A- Pancreas; B- Lung C- Testis; D- Kidney; E- Liver

D
A- Gall bladder; B- Lung; C- Fat bodies; D- Kidney; E- Rectum

Solution

A - Gall-bladder
B - Lung
C - Fat bodies
D - Kidney
E - Rectum
So, the correct answer is 'A- Gall bladder; B- Lung; C- Fat bodies; D- Kidney; E- Rectum'.
Question 9
1 / -0

Following are given four statements (i)- (iv) related to frog. Read the statements carefully and select the option that identifies two correct statements.
(i) The brain is divided into fore-brain, mid-brain and hind-brain
(ii) Vasa efferentia enter the kidneys on their side and open into bidder's canal.
(iii) Ear acts as a hearing organ only
(iv) RBCs are enucleated and contain red coloured pigment namely haemoglobin.

A
(ii) and (iii)

B
(i) and (ii)

C
(iii) and (iv)

D
(i) and (iv)
Solution
- In frogs, the brain is divided into forebrain, midbrain, and hindbrain.
- Vasa efferentia is 10-12 in number that arises from the testes of frogs. They enter the kidneys on their side and open into the bidder's canal.
- The ear acts as a hearing as well as balancing organ.
- RBCs are nucleated in frogs and contain red coloured pigment namely haemoglobin.
So, the correct answer is option B.
Question 10
1 / -0

What is true about Nereis, scorpion, cockroach and silver fish?

A
They all possess dorsal heart.

B
None of them is aquatic

C
They all belong to the same phylum.

D
They all have jointed paired appendages.

Solution

Nereis belongs to Phylum Annelida and scorpion, cockroach and silver fish belong to Phylum Arthropoda. They all possess dorsal heart.

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Re-Attempt Weekly Quiz Competition

Structural Organisation in Animals Test - 66

Result

Structural Organisation in Animals Test - 66

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SHARING IS CARING

Question 1

A- Gizzard; B- Crop; C- Hepatic caecae; D- Malpighian tubules

A- Crop; B- Gizzard; C- Hepatic caecae; D- Malpighian tubules

A- Crop; B- Gizzard; C- Malpighian tubules; D- Hepatic caecae

A- Gizzard; B- Crop; C- Malpighian tubules; D- Hepatic caecae

Solution

Question 2

Clitellum- Secretes cocoon

Gizzard- Absorbs digested food

Setae- Provides defence against predators

Typhlosole- Storage of extra nutrients

Solution

Question 3

Both have red coloured blood.

Both possess anal styles.

Both have Malpighian tubules.

Both have segmented body.

Solution

Question 4

(i), (ii) and (iv)

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

Solution

Question 5

The number of ovaries in each ovary are ten

The larval stage is called caterpillar

Anal styles are absent in females

They are ureotelic

Solution

Question 6

Head is oval in shape

There are 10 pairs of spiracles (2 pairs of thorax and 8 pairs on abdomen)

Heat is differentiated into funnel shaped chambers with setae on either side

Each eye consists of about 1000 hexagonal ommatidia

Solution

Question 7

faecal matter

urine

sperms

all of these

Solution

Question 8

A- Gall bladder; B- Liver; C- Ovary; D- Testis; E- Rectum

A- Liver; B- Pancreas; C- Fat bodies; D- Testis; E- Gall bladder

A- Pancreas; B- Lung C- Testis; D- Kidney; E- Liver

A- Gall bladder; B- Lung; C- Fat bodies; D- Kidney; E- Rectum

Solution

Question 9

(ii) and (iii)

(i) and (ii)

(iii) and (iv)

(i) and (iv)

Solution

Question 10

They all possess dorsal heart.

None of them is aquatic

They all belong to the same phylum.

They all have jointed paired appendages.

Solution

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