334431
Which of the following is applicable in cockroach?
1 Blood flows in haemocoel
2 Blood is known as haemocyanin
3 The haemolymph flows in vessels
4 Blood from sinuses enters heart through veins
Explanation:
Blood vascular system of cockroach is an open type . Blood vessels are poorly developed and open into space (haemocoel).
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334432
Mark the incorrect statement for cockroach
1 Spermatophore is the bundle of sperms discharged during copulation
2 Nymph undergoes 3-4 moults to reach adult form
3 Its development is paurometabolous
4 Each ootheca has 14 to 16 eggs
Explanation:
The nymph grows by moulting about 13 times to reach the adult form.
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334433
What external changes are visible after the last moult of a cockroach nymph?
1 Mandibles become harder
2 Anal cerci develop
3 Both fore wings and hind wings develop
4 Labium develops
Explanation:
Paurometabolous development takes place in cockroach. Nymph moults about 13 times to reach adult stage. The next to last nymphal stage has wing pads. Only the adult cockroaches consist wings.
AIPMT - 2013
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334434
What is the function of seminal vesicle in cockroach?
1 Secretes fluids for maturation of sperms
2 It is a vestigeal organ
3 Stores and glues the sperms
4 Stores sperms and neutralises the acidity
Explanation:
The sperms are stored in the seminal vesicles and are glued together in the form of bundles called spermatophores which are discharged during copulation. seminal vesicle functions to Store and glue the sperms.
334431
Which of the following is applicable in cockroach?
1 Blood flows in haemocoel
2 Blood is known as haemocyanin
3 The haemolymph flows in vessels
4 Blood from sinuses enters heart through veins
Explanation:
Blood vascular system of cockroach is an open type . Blood vessels are poorly developed and open into space (haemocoel).
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334432
Mark the incorrect statement for cockroach
1 Spermatophore is the bundle of sperms discharged during copulation
2 Nymph undergoes 3-4 moults to reach adult form
3 Its development is paurometabolous
4 Each ootheca has 14 to 16 eggs
Explanation:
The nymph grows by moulting about 13 times to reach the adult form.
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334433
What external changes are visible after the last moult of a cockroach nymph?
1 Mandibles become harder
2 Anal cerci develop
3 Both fore wings and hind wings develop
4 Labium develops
Explanation:
Paurometabolous development takes place in cockroach. Nymph moults about 13 times to reach adult stage. The next to last nymphal stage has wing pads. Only the adult cockroaches consist wings.
AIPMT - 2013
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334434
What is the function of seminal vesicle in cockroach?
1 Secretes fluids for maturation of sperms
2 It is a vestigeal organ
3 Stores and glues the sperms
4 Stores sperms and neutralises the acidity
Explanation:
The sperms are stored in the seminal vesicles and are glued together in the form of bundles called spermatophores which are discharged during copulation. seminal vesicle functions to Store and glue the sperms.
334431
Which of the following is applicable in cockroach?
1 Blood flows in haemocoel
2 Blood is known as haemocyanin
3 The haemolymph flows in vessels
4 Blood from sinuses enters heart through veins
Explanation:
Blood vascular system of cockroach is an open type . Blood vessels are poorly developed and open into space (haemocoel).
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334432
Mark the incorrect statement for cockroach
1 Spermatophore is the bundle of sperms discharged during copulation
2 Nymph undergoes 3-4 moults to reach adult form
3 Its development is paurometabolous
4 Each ootheca has 14 to 16 eggs
Explanation:
The nymph grows by moulting about 13 times to reach the adult form.
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334433
What external changes are visible after the last moult of a cockroach nymph?
1 Mandibles become harder
2 Anal cerci develop
3 Both fore wings and hind wings develop
4 Labium develops
Explanation:
Paurometabolous development takes place in cockroach. Nymph moults about 13 times to reach adult stage. The next to last nymphal stage has wing pads. Only the adult cockroaches consist wings.
AIPMT - 2013
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334434
What is the function of seminal vesicle in cockroach?
1 Secretes fluids for maturation of sperms
2 It is a vestigeal organ
3 Stores and glues the sperms
4 Stores sperms and neutralises the acidity
Explanation:
The sperms are stored in the seminal vesicles and are glued together in the form of bundles called spermatophores which are discharged during copulation. seminal vesicle functions to Store and glue the sperms.
334431
Which of the following is applicable in cockroach?
1 Blood flows in haemocoel
2 Blood is known as haemocyanin
3 The haemolymph flows in vessels
4 Blood from sinuses enters heart through veins
Explanation:
Blood vascular system of cockroach is an open type . Blood vessels are poorly developed and open into space (haemocoel).
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334432
Mark the incorrect statement for cockroach
1 Spermatophore is the bundle of sperms discharged during copulation
2 Nymph undergoes 3-4 moults to reach adult form
3 Its development is paurometabolous
4 Each ootheca has 14 to 16 eggs
Explanation:
The nymph grows by moulting about 13 times to reach the adult form.
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334433
What external changes are visible after the last moult of a cockroach nymph?
1 Mandibles become harder
2 Anal cerci develop
3 Both fore wings and hind wings develop
4 Labium develops
Explanation:
Paurometabolous development takes place in cockroach. Nymph moults about 13 times to reach adult stage. The next to last nymphal stage has wing pads. Only the adult cockroaches consist wings.
AIPMT - 2013
BIOXI07: STRUCTURAL ORGANISATION IN ANIMALS
334434
What is the function of seminal vesicle in cockroach?
1 Secretes fluids for maturation of sperms
2 It is a vestigeal organ
3 Stores and glues the sperms
4 Stores sperms and neutralises the acidity
Explanation:
The sperms are stored in the seminal vesicles and are glued together in the form of bundles called spermatophores which are discharged during copulation. seminal vesicle functions to Store and glue the sperms.
