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11th West Bengal Board
IMPORTANT
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There are three thoracic segments and six abdominal segments in cockroach.

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Important Questions on Structural Organisation in Animals

EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 5 - Structural Organisation in Animals>EXERCISE>Q 2
There are two pairs of salivary glands of the cockroach.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 5 - Structural Organisation in Animals>EXERCISE>Q 3
The lateral parts of exoskeleton of cockroach is known as sclerite.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 5 - Structural Organisation in Animals>EXERCISE>Q 4
The spiracle or respiratory aperture of the cockroach is lying in the head.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 5 - Structural Organisation in Animals>EXERCISE>Q 5
There are six pairs of ganglia in the abdomen of the cockroach.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 5 - Structural Organisation in Animals>EXERCISE>Q 6
Anal cerci are present in both male and female cockroach.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 5 - Structural Organisation in Animals>EXERCISE>Q 7
One ootheca contains eight fertilised eggs.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 5 - Structural Organisation in Animals>EXERCISE>Q 8
The egg is hatched into a nymph in the cockroach. 
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 5 - Structural Organisation in Animals>EXERCISE>Q 9
Ecdysone hormone is required for development of larva of cockroach.