MEDIUM
11th Tamil Nadu Board
IMPORTANT
Earn 100

Respiratory system of cockroach is formed of spiracles and tracheal interconnections. Why is it said to be more efficient than that of earthworm? Why inspiration of cockroach is said to be a passive process while it is an active process in man?

Important Questions on Organ and Organ Systems in Animals

HARD
11th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 11>Chapter 4 - Organ and Organ Systems in Animals>Exercise>Q 1
Arthropod eyes are called compound eyes because they are made up of repeating units, the ommatidia, each of which functions as a separate visual receptor. What is the difference between compound eyes and simple eyes? Why is mosaic vision with less resolution seen in cockroaches.
MEDIUM
11th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 11>Chapter 4 - Organ and Organ Systems in Animals>Exercise>Q 1
Why three chambered heart of frog is not as efficient has the four chambered heart of birds and mammals?
EASY
11th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 11>Chapter 4 - Organ and Organ Systems in Animals>Evaluation>Q 1
The clitellum is a distinct part in the body of earthworm Lampito mauritii, it is found in?
EASY
11th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 11>Chapter 4 - Organ and Organ Systems in Animals>Evaluation>Q 2
Sexually earthworms are
EASY
11th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 11>Chapter 4 - Organ and Organ Systems in Animals>Evaluation>Q 3
To sustain themselves, earthworm must guide their way through the soil using their powerful muscles. They gather nutrients by ingesting organic matter and soil, absorbing what they need into their bodies. The two ends of the earthworm can equally in just soil. True or False.
EASY
11th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 11>Chapter 4 - Organ and Organ Systems in Animals>Evaluation>Q 4
The head region of cockroach has _____ pair/pairs of _____ and _____ shaped eyes.
EASY
11th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 11>Chapter 4 - Organ and Organ Systems in Animals>Evaluation>Q 5
The location and numbers of malpighian tubules in Periplaneta.
EASY
11th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 11>Chapter 4 - Organ and Organ Systems in Animals>Evaluation>Q 7
How many abdominal segments are present in male and female Cockroaches?