Chapter 7

Which of the following are excitable cells? (a) Muscle cells (b) Neural cells (c) Both (a) and (b) (d) None of these

Which of the following cells are found in neural tissue? (a) Neuron (b) Neuroglia (c) Both (a) and (b) (d) None of these

What is the function of Neuroglia? (a) Protect and support neurons (b) Act as intracellular matrix (c) Both (a) and (b) (d) None of these

The electrical disturbance generated in neurons travels through (a) Neuroglial cell (b) Cytoplasm (c) Plasma membrane (d) All of these

What kind of action can be caused by neurons? (a) Stimulatory (b) Inhibitory (c) Both (a) and (b) (d) Excitatory

What is the importance of organized organ system? (a) Optimum efficiency of cells (b) Coordinated activity of cells (c) Both (a) and (b) (d) None of these

Heart contains which of the following kind of tissue? (a) Epithelial tissue (b) Cardiac muscular tissue (c) Connective tissue (d) All of these

What do you call the study of form or externally visible features? (a) Physiology (b) Morphology (c) Anthropology (d) None of these

What do you call the study of form or externally visible features? (a) Physiology (b) Morphology (c) Anthropology (d) None of these

Earthworm can be traced by faecal deposits. What are they called? (a) Worm deposits (b) Worm castings (c) Both (a) and (b) (d) None of these

Which of the following type are of Indian earthworms? (a) Pheretima (b) Lumbricus (c) Lumbricoidus (d) Both (a) and (b)

Size of cockroach ranges from (a) \(1 / 4\) " to 3 " (b) 1 to 3 " (c) 2 to 3 " (d) \(1 / 4\) " to \(3 / 4\) "

Cockroach is (a) Omnivores (b) Nocturnal (c) Cursorial (d) All of these

Which one is correct about cockroach? (a) Generally brown and black color (b) Pest and vectors of several disease (c) Found in damp places (d) All of these

Zoological name of cockroach is (a) Periplaneta americana (b) Pheretima posthuma (c) Rana tigrina (d) Maja maja

In each segment the exoskeleton has hardened plates in cockroach known as (a) Sclerites (b) Sternum (c) Carapace (d) All of these

Body of cockroach is segmented and divisible into three distinct region known as (a) Head (b) Thorax (c) Abdomen (4) All of these

The head of cockroach is formed by fusion of how many segments (a) 4 (b) 5 (c) 6 (d) 8

The cockroach has which type of mouth parts? (a) Biting and chewing type (b) Siphoning type (c) Sponging type (d) All of these

How many filamentous Malpighian tubules are found in cockroach? (a) 100 to 150 (b) 50 to 100 (c) 150 to 200 (d) 200 to 250

A ring of 6 to 8 blind tubules that are present at the junction of foregut and midgut in cockroach is known as (a) Hepatic caecae (b) Gastric caecae (c) Both (a) and (b) (d) Malpighian tubules

The midgut of cockroach contains (a) Ileum (b) Colon (c) Rectum (d) All of these

Heamolymph of cockroach consists of (a) Plasma (b) Haemocyte (c) Both (a) and (b) (d) None of these

Alary muscles are found in (a) Frog (b) Earthworm (c) Cockroach (d) Hookworm

How many pairs of spiracles is present on the surface of cockroach? (a) 5 pairs (b) 15 pairs (c) 10 pairs (d) 20 pairs

In cockroach which of the following organ helps in excretion? (a) Fat body (b) Nephrocyte (c) Urecose gland (d) All of these

How many ganglia lies in thorax and in the abdomen of cockroach? (a) 3 and 6 (b) 6 and 3 (c) 2 and 1 (d) 1 and 2

Mosaic vision means (a) More sensitivity and less resolution (b) More sensitivity and more resolution (c) Less sensitivity and less resolution (d) Less sensitivity and more resolution

A pair of testes in cockroach lies in (a) 2 to 4 abdominal segment (b) 4 to 6 abdominal segment (c) 4 to 7 abdominal segment (d) 6 to 8 abdominal segment

External genitalia in cockroach is represented by (a) Male gonophysis (b) Phallomere (c) Ejaculatory duct (d) Both (a) and (b)

Each ovary in cockroach is made up of how many ovarian tubules or ovarioles (a) 6 (b) 4 (c) 8 (d) 10

How many oothecae is produced by female cockroach? (a) 9 to 10 (b) 14 to 16 (c) 13 (d) 1 to 2

The nymph of cockroach is grown by moulting for about times to reach the adult form. (a) 12 (b) 11 (c) 13 (d) 10

Which one of the following is incorrect statement about cockroach? (a) They are pest because they destroy food and contaminate it with their smelly excreta. (b) All species have economic importance. (c) Development in Periplanta Americana is paurometabolus type. (d) Next to last nymphal stage has wing pads.

Which one of the following is the correct statement about cockroach? (a) Anal style is present only in male cockroach. (b) Anal cerci are present only in female cockroach. (c) Each eye consists of about 1000 hexagonal ommatidia. (d) Each oothecae contain 12 to 14 eggs.

Assertion: Ciliated epithelium mainly present in the inner surface of hollow organs like bronchioles and fallopian tube. Reason: Cilia are microvilli.

Assertion: Muscle fibres are said to be contractile in nature. Reason: Cells of muscle tissues can shorten forcefully and again return to the relaxed state.

Assertion: Gap junctions facilitate the cells to communicate with each other. Reason: Gap junction connects the cytoplasm of adjoining cells.

Assertion: Non-striated muscles are said to be voluntary in nature. Reason: Non-striated muscles can be moved according to will.

Assertion: Intercalated discs are important regions of cardiac muscle cells. Reason: Intercalated discs function as communication junction for muscle contraction waves.

Assertion: Neurons are said to possess the property of excitability. Reason: Neurons can get excited by a given stimulus.

Assertion: Epithelial tissues protect the under lying and over lying tissues. Reason: Materials are exchanged at the surfaces across the epithelial tissues.

Assertion: Ciliated epithelium helps in the movement of particles. Reason: Cilia helps in the movement.

Assertion: Urinary bladder can considerably expand to accommodate urine. Reason: It is lined by stretchable transitional epithelium.

Assertion: Head of cockroach shows great mobility in all direction Reason: Cockroach possess flexible neck

Assertion: Cockroach is uricotelic Reason: Fat bodies, nephrocyte and urecose glands help in excretion in cockroach

Assertion: Cockroach possesses mosaic vision. Reason: Eye of cockroach contains several ommatidia.

Assertion: Development in \(P\). americana is paurometabolous type. Reason: Development in cockroach occurs through nymphal stage.

Assertion: Sperm glue together and form spermatophores in vas deferens in cockroach. Reason: Sperm stores in vas deferens in cockroach

Assertion: Cockroach is pest. Reason: Cockroach destroys food and contaminates it with their excreta.