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structural organisation Flashcards

1
Q

which cells support and protect neuron

A

neuroglial cells

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2
Q

14-16 segment in earthworm

A

citellum

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3
Q

a single female genital pore is present in

A

14th segment

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4
Q

numerous minute pores that open into the citellum are called as

A

nephridiopores

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5
Q

1-3 segments ( earthworm)

A

buccal cavity

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6
Q

5-7 segement ( earthworm)

A

oesophagus

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7
Q

8-9 ( earthworm)

A

gizzard

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8
Q

9-14 segments ( earthworm)

A

stomach

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9
Q

glands present to neutralise the acid nature of humic acid

A

calciferous glands

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10
Q

caecae projects from intestine at which segment ( earthworm)

A

26th

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11
Q

intestinal medial folding of dorsal wall ( earthworm)

A

typhlosole

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12
Q

blood glands are present at which segment ( earthworm)

A

4,5,6

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13
Q

types of nephridia

A

septal, integumentary, pharyngeal

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14
Q

pairs of testis are located at ( earthworm)

A

10th and 11th

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15
Q

one pair of each accessory glands are located at ( earthworm)

A

17th and 19th

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16
Q

packet of sperms are called as ( earthworm)

A

spermatophores

17
Q

exoskeletons has hardened plates called as (cockroach)

A

sclerites
dergites dorsaaly adn sternites ventrally and joined by arthrodial membrane

18
Q

head is formed by the fusion of (cockroach)

A

6 segments

19
Q

acting as tongue

A

hypopharynx

20
Q

fore wings or mesothoracic

21
Q

abdomen consists of how many segments (cockroach)

A

10 segments

22
Q

7 + 8th and 9th sterna in female (cockroach)

A

genital pouch strucuture

23
Q

9th and 10th terga + 9th sternum in males (cockroach)

A

male genital pouch

24
Q

anal cerci which segment

25
Q

teeth is techniquely (cockroach)

A

6 cutinous plates

26
Q

malphigian tubule is present ( 100- 150 tubules)

A

at the junction of midgut and hindgut

27
Q

no of pairs of spiracles

28
Q

other excretory structures (cockroach)

A

nephrocytes and urecose glands

29
Q

each eye consist of how many ommatidia

30
Q

vision type (cockroach)

A

mosoic vision

31
Q

testis location (cockroach)

32
Q

external genitalia

A

phallomere or male gonaphysis

33
Q

ovaries location

34
Q

fertilised egg is enclosed in a capsule called

A

ootheca (9-10 ootheca and each containing 14-16 eggs

35
Q

development of (cockroach) is

A

paurometaboulous

36
Q

how many times does the nymph moult

37
Q

the kidney is composed of how many structural and functional units (frog)

38
Q

the testis is attached to the kidney by a double fold of peritoneum called as

A

mesorchium

Bio (12 decks)

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