Cockroach

Q.

Cockroaches have three pairs of legs.

1. One

2. Two

Q. Which of the following animals have an outer skeleton?

1. Cockroach
2. Frog
3. Snake
4. Elephant

Q. The cockroach has a pair of sensitive antennae.

1. False
2. True

Q. An organism 'X' can walk, climb on surfaces and can also fly in the air. Which organism is 'X'?

1. Elephant
2. Cockroach
3. Snail
4. Earthworm

Q.

The muscles that help cockroaches in flight are____.

1. Hind muscles
2. Wing muscles
3. Abdomen muscles

4. Breast muscles

Q.

Consider the following four statements regarding the nervous system of a cockroach and choose the correct option indicating as true (T) or false (F) respectively.

1. The Brain of a cockroach is primitive and is made of 2 supra-oesophageal and 1 sub-oesophageal ganglia, connected by 2 circum-oesophageal connectives.

2. It has 3 thoracic and 6 abdominal, segmental ganglia.

3. All the Sensory organs are under the control of the brain directly.

4. Receptors are of tactile, chemo and photo sensory in nature

1. 1. F 2. T. 3. F 4. T

2. 1. F 2. F. 3. T 4. T

3. 1. T 2. T. 3. F 4. T

4. 1. T 2. F. 3. T 4. F

Q.

Question 2.5

Indicate true (T) and false (F) among the following sentences.
Cockroaches have an outer skeleton.

Q. How do breast bones help the birds during flight

Q. The ___________ move the wings when a cockroach flies.

1. leg muscles
2. bones in the wings
3. antenna
4. body muscles

Q.

Cockroach has outer skeleton.

1. True
2. False

Q. Cockroaches have a body structure that facilitates walking only

1. True
2. False

Q. An organism 'X' can walk, climb on surfaces and can also fly in the air. Which organism is 'X'?

1. Elephant
2. Cockroach
3. Earthworm
4. Snail

Q. Exoskeleton is found in ___.

1. bats
2. cockroaches
3. ants
4. cats

Q.

An organism 'X' can walk, climb on surfaces and can also fly in the air. Which organism is 'X'?

1. Snail

2. Cockroach

3. Bat

4. None of these

Q. Exoskeleton is found in ___.

1. ants
2. cats
3. bats
4. cockroaches

Q.

The muscles that help cockroaches in flight are __.

Q. The scientific name of cockroach is

1. Periplaneta americana
2. Lacertilia
3. Musca domestica
4. Culicidae

Q.

The pest cockroach of genus Blatta is also called _____.

1. German cockroach

2. American cockroach

3. Australian cockroach

4. Oriental cockroach

Q. The cockroach has a pair of sensitive antennae.

1. True
2. False

Q. Choose the correct number of pairs of body parts in case of a cockroach.

1. Legs
2. 2
3. Antennae
4. 1
5. 3
6. Wings

Q.

Which of the following statements is/are, not correct, regarding the head of a cockroach?

i). It is formed by the fusion of 8 plates.

ii). Head is arranged in an axis perpendicular to the axis of the body.

iii). Mouth parts are of varying sizes.

iv). Head is hexagonal in shape.

1. (i) and (ii)

2. (iii) and (iv)

3. (ii) and (iii)

4. (i) and (iv)

Q. How many pairs of legs are present in a cockroach?

1. One
2. Two
3. Three
4. Four

Q. Which of the following is true regarding earthworm improving the productivity of the farmer?

1. It makes soil porous
2. Provides very good manure in the form of vermicompost
3. Allows deep penetration of roots
4. All of the above

Q.

The muscles that help cockroaches in flight are __.

Q. Cockroaches have a body structure that facilitates walking only

1. True
2. False