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In cockroach ventral nerve cord is prese...

In cockroach ventral nerve cord is present in the…………. .

A

pericardial sinus

B

perineural sinus

C

head sinus

D

perivisceral sinus

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Read the paragraph and answer the questions given below it. The cells of the nervous tissue become excited on receiving stimuli and conduct that excitation from one part of the body to another. The cell body containing the cytoplasm and nucleus is the main part of each nerve cell. Numerous, small, branched fibres called dendrites arise from the cell body of the nerve cell. One of the fibres is extremely long, it is called the axon. Numerous nerve cells are bound by connective tissue to form a nerve. Nervous tissue is present in the brain, spinal cord and the network of nerves spread all through the body. In most of the animals, response to stimuli occurs due to the integrated functioning of the nervous and muscular tissue. How are nerves cell bound together to form a tissue?

Read the paragraph and answer the questions given below it. The cells of the nervous tissue become excited on receiving stimuli and conduct that excitation from one part of the body to another. The cell body containing the cytoplasm and nucleus is the main part of each nerve cell. Numerous, small, branched fibres called dendrites arise from the cell body of the nerve cell. One of the fibres is extremely long, it is called the axon. Numerous nerve cells are bound by connective tissue to form a nerve. Nervous tissue is present in the brain, spinal cord and the network of nerves spread all through the body. In most of the animals, response to stimuli occurs due to the integrated functioning of the nervous and muscular tissue. What is the cell body of a nerve cell composed of?

Read the paragraph and answer the questions given below it. The cells of the nervous tissue become excited on receiving stimuli and conduct that excitation from one part of the body to another. The cell body containing the cytoplasm and nucleus is the main part of each nerve cell. Numerous, small, branched fibres called dendrites arise from the cell body of the nerve cell. One of the fibres is extremely long, it is called the axon. Numerous nerve cells are bound by connective tissue to form a nerve. Nervous tissue is present in the brain, spinal cord and the network of nerves spread all through the body. In most of the animals, response to stimuli occurs duc to the integrated functioning of the nervous and muscular tissue. How can stimuli at one end of the body generate an impulse in the brain?

Read the paragraph and answer the questions given below it. The cells of the nervous tissue become excited on receiving stimuli and conduct that excitation from one part of the body to another. The cell body containing the cytoplasm and nucleus is the main part of each nerve cell. Numerous, small, branched fibres called dendrites arise from the cell body of the nerve cell. One of the fibres is extremely long, it is called the axon. Numerous nerve cells are bound by connective tissue to form a nerve. Nervous tissue is present in the brain, spinal cord and the network of nerves spread all through the body. In most of the animals, response to stimuli occurs due to the integrated functioning of the nervous and muscular tissue. Functioning of which two tissues are involved in generating a response to stimuli?

CHETANA PUBLICATION-Study of Animal Type:Cockroach-Exercise
  1. The hepatic caeca of cockroach

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  2. Blood filled cavity in cockroach is called…………… .

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  3. In cockroach ventral nerve cord is present in the…………. .

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  4. Heart of cockroach is……………chambered.

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  5. ……………….abdominal ganglion in cockroach is the largest.

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  6. Which of the following is not the part of male reproductive sytem?

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  7. In cockroach the head is joined to thorax by a narrow neck called……………...

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  8. Single component of the compound eyes of a cockroach is a hexagonal un...

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  9. ………………are the organs of olfaction of the cockroach.

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  10. ………………..is the upper lip of the cockroach.

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  11. The chitinous plates in the segments of the cockroach are known as…………...

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  12. Each leg of the cockroach has………………..sub-units called podomeres.

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  13. Male cockroach differs from female cockroach in exihibiting……………… .

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  14. Chitinous plates surrounding the genital openings are known as…………. .

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  15. Hind gut of cockroach is also known as………….. .

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  16. Gizzard of cockroach is provided with circle of………………….chitinous teeth...

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  17. Anus is located below…………..tergum.

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  18. Cockroach has………………thoracic ganglia.

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  19. ……………….abdominal ganglion in cockroach is the largest.

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  20. In cockroach, 6th abdominal ganglion lies in……………. .

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