332334
Consider the following characters and choose the option which have characters those are not present in aves i. Scales on all over the body ii. Endoskeleton is fully ossified iii. Skin is dry without glands except some oil gland iv. Glands on body to feed their young ones
1 i, ii and iii
2 i and iii
3 ii and iii
4 i and iv
Explanation:
Scales are present only on the hind limbs of birds. Birds do not have any gland to feed their young ones. It is the mammals that have mammary glands to feed their young ones.
BIOXI04: ANIMAL KINGDOM
332335
Find out correct option?
1 In most of the birds copulatory organ is absent, so fertilization is external.
2 In annelida, neural system consist of paired ganglia connected by lateral nerves to a double ventral nerve cord.
3 Sponges reproduce sexually by fragmentation
4 Platyhelminthes are pseudocoelomate.
Explanation:
In birds, Fertilization is internal. Platyhelminthes are acoelomates. In sponges fragmentation is a mode of asexual reproduction.
BIOXI04: ANIMAL KINGDOM
332336
Identify the class of chordates having following features i. Only left ovary is functional. ii. Only right systemic aorta is present. iii. Lungs are with air sac.
1 Aves
2 Mammals
3 Amphibia
4 Reptiles
Explanation:
All the above mentioned characters are modifications in birds to have a reduced body weight.
332334
Consider the following characters and choose the option which have characters those are not present in aves i. Scales on all over the body ii. Endoskeleton is fully ossified iii. Skin is dry without glands except some oil gland iv. Glands on body to feed their young ones
1 i, ii and iii
2 i and iii
3 ii and iii
4 i and iv
Explanation:
Scales are present only on the hind limbs of birds. Birds do not have any gland to feed their young ones. It is the mammals that have mammary glands to feed their young ones.
BIOXI04: ANIMAL KINGDOM
332335
Find out correct option?
1 In most of the birds copulatory organ is absent, so fertilization is external.
2 In annelida, neural system consist of paired ganglia connected by lateral nerves to a double ventral nerve cord.
3 Sponges reproduce sexually by fragmentation
4 Platyhelminthes are pseudocoelomate.
Explanation:
In birds, Fertilization is internal. Platyhelminthes are acoelomates. In sponges fragmentation is a mode of asexual reproduction.
BIOXI04: ANIMAL KINGDOM
332336
Identify the class of chordates having following features i. Only left ovary is functional. ii. Only right systemic aorta is present. iii. Lungs are with air sac.
1 Aves
2 Mammals
3 Amphibia
4 Reptiles
Explanation:
All the above mentioned characters are modifications in birds to have a reduced body weight.
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BIOXI04: ANIMAL KINGDOM
332333
Mammals are homeotherms along with?
1 Reptiles
2 Amphibians
3 Aves
4 Fishes
Explanation:
Mammals and aves are homeotherms.
BIOXI04: ANIMAL KINGDOM
332334
Consider the following characters and choose the option which have characters those are not present in aves i. Scales on all over the body ii. Endoskeleton is fully ossified iii. Skin is dry without glands except some oil gland iv. Glands on body to feed their young ones
1 i, ii and iii
2 i and iii
3 ii and iii
4 i and iv
Explanation:
Scales are present only on the hind limbs of birds. Birds do not have any gland to feed their young ones. It is the mammals that have mammary glands to feed their young ones.
BIOXI04: ANIMAL KINGDOM
332335
Find out correct option?
1 In most of the birds copulatory organ is absent, so fertilization is external.
2 In annelida, neural system consist of paired ganglia connected by lateral nerves to a double ventral nerve cord.
3 Sponges reproduce sexually by fragmentation
4 Platyhelminthes are pseudocoelomate.
Explanation:
In birds, Fertilization is internal. Platyhelminthes are acoelomates. In sponges fragmentation is a mode of asexual reproduction.
BIOXI04: ANIMAL KINGDOM
332336
Identify the class of chordates having following features i. Only left ovary is functional. ii. Only right systemic aorta is present. iii. Lungs are with air sac.
1 Aves
2 Mammals
3 Amphibia
4 Reptiles
Explanation:
All the above mentioned characters are modifications in birds to have a reduced body weight.
332334
Consider the following characters and choose the option which have characters those are not present in aves i. Scales on all over the body ii. Endoskeleton is fully ossified iii. Skin is dry without glands except some oil gland iv. Glands on body to feed their young ones
1 i, ii and iii
2 i and iii
3 ii and iii
4 i and iv
Explanation:
Scales are present only on the hind limbs of birds. Birds do not have any gland to feed their young ones. It is the mammals that have mammary glands to feed their young ones.
BIOXI04: ANIMAL KINGDOM
332335
Find out correct option?
1 In most of the birds copulatory organ is absent, so fertilization is external.
2 In annelida, neural system consist of paired ganglia connected by lateral nerves to a double ventral nerve cord.
3 Sponges reproduce sexually by fragmentation
4 Platyhelminthes are pseudocoelomate.
Explanation:
In birds, Fertilization is internal. Platyhelminthes are acoelomates. In sponges fragmentation is a mode of asexual reproduction.
BIOXI04: ANIMAL KINGDOM
332336
Identify the class of chordates having following features i. Only left ovary is functional. ii. Only right systemic aorta is present. iii. Lungs are with air sac.
1 Aves
2 Mammals
3 Amphibia
4 Reptiles
Explanation:
All the above mentioned characters are modifications in birds to have a reduced body weight.