Notochord develops from

Notochord develops from
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1 Answer

Answer :

Notochord develops from A. Primary ectoderm B. Primary endoderm C. primary mesoderm D. Both A and B
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Related questions

Does Vertibrata become embryonic notochord ?

Description : Does Vertibrata become embryonic notochord ?

Last Answer : Answer : In the vertebrate phase, the embryonic notochord turns into a nerve.

in which of the following the notochord is present in embryonic stage

Description : in which of the following the notochord is present in embryonic stage

Last Answer : in which of the following the notochord is present in embryonic stage A. All chordates B. Some chordates C. Vertebrates D. Non- chordates

in urochordata notochord is found in

Description : in urochordata notochord is found in

Last Answer : in urochordata notochord is found in A. Head of adult B. Tail of adult C. Tail of larva D. Test of adult

Notochord occurs in the adult animal of

Description : Notochord occurs in the adult animal of

Last Answer : Notochord occurs in the adult animal of A. Protochordates B. Agnatha C. Chondrichthyes D. Osteichthyes

Which of the following animals is devoid of notochord and nerve cord in its adult stage ?

Description : Which of the following animals is devoid of notochord and nerve cord in its adult stage ?

Last Answer : Which of the following animals is devoid of notochord and nerve cord in its adult stage ? A. ... amphioxus ) C. Assymetron D. All of the above

Notochord, skeletal system and dermis of skin are derived from

Description : Notochord, skeletal system and dermis of skin are derived from

Last Answer : Notochord, skeletal system and dermis of skin are derived from A. Mesoderm B. Endoderm C. Ectodermq D. All the above.

Notochord grows from

Description : Notochord grows from

Last Answer : Notochord grows from A. Neuropore B. Prechordal plate C. Hypochordal rod D. Chorda-mesoderm.

Formation of notochord is

Description : Formation of notochord is

Last Answer : Formation of notochord is A. Neurulation B. Notogenesis C. Morulation D. Blastulation

$ Notochord is present in vertebrates. ! Notochord is always formed of bones.

Description : $ Notochord is present in vertebrates. ! Notochord is always formed of bones.

Last Answer : $ Notochord is present in vertebrates. ! Notochord is always formed of bones. A. If both A and R are ... is wrong D. If both A and R are wrong.

In which group, notochord is present only in the tail of larva.

Description : In which group, notochord is present only in the tail of larva.

Last Answer : In which group, notochord is present only in the tail of larva.

In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Description : In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Last Answer : In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Does a kangaroo have a dorsal nerve cord notochord?

Description : Does a kangaroo have a dorsal nerve cord notochord?

Last Answer : dorsal nerve cord

What is notochord ?

Description : What is notochord ?

Last Answer : How is this structure formed? Notochord is a rodlike structure that forms the supporting axis of the embryo and gives birth to the vertebral column in vertebrates. It is formed by differentiation of mesodermal cells.

What is notochord ?

Description : What is notochord ?

Last Answer : How is this structure formed? Notochord is a rodlike structure that forms the supporting axis of the embryo and gives birth to the vertebral column in vertebrates. It is formed by differentiation of mesodermal cells.

What is the destination of the notochord in vertebrates and in protochordates?

Description : What is the destination of the notochord in vertebrates and in protochordates?

Last Answer : In vertebrates the notochord disappears and gives birth to the spinal column (vertebral column). In protochordates the notochord remains for the rest of the life.

An invertebrate does not have – (1) Notochord (2) Body cavity (3) Haernocoel (4) Gills

Description : An invertebrate does not have – (1) Notochord (2) Body cavity (3) Haernocoel (4) Gills

Last Answer : (1) Notochord Explanation: An invertebrate does not have back bone and cell wall

The subphylum in which notochord is restricted only to the embryonic stage is

Description : The subphylum in which notochord is restricted only to the embryonic stage is

Last Answer : vertebrata.

The subphylum in which notochord is present through the length of the body is

Description : The subphylum in which notochord is present through the length of the body is

Last Answer : Cephalochordata.

The subphylum in which notochord is present only in the tail region of the larvae and absent in adults is

Description : The subphylum in which notochord is present only in the tail region of the larvae and absent in adults is

Last Answer : Urochordata.

The subphylum in which notochord is restricted to the anterior half of the body is

Description : The subphylum in which notochord is restricted to the anterior half of the body is

Last Answer : Hemichordata.

Organisms characterized by the presence of a notochord are called

Description : Organisms characterized by the presence of a notochord are called

Last Answer : chordates.

In which of the following, notochord is present in embryonic stage? (a) All chordates (b) Some chordates (c) Vertebrates (d) Non chordates

Description : In which of the following, notochord is present in embryonic stage? (a) All chordates (b) Some chordates (c) Vertebrates (d) Non chordates

Last Answer : (a) All chordates

Which one of the following phyla is correctly matched with its two general characteristics? (a) Echinodermata - pentamerous radial symmetry and mostly internal fertilization (b) Mollusca - normally oviparous and development through a trochophore or veliger larva (c) Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae (d) Chordata - notochord at some stage and separate anal and urinary openings to the outside.

Description : Which one of the following phyla is correctly matched with its two general characteristics? (a) Echinodermata - pentamerous radial symmetry and mostly internal fertilization (b) Mollusca - normally ... Chordata - notochord at some stage and separate anal and urinary openings to the outside.

Last Answer : (c) Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae

Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct? (a) It is present only in larval tail in ascidian. (b) It is replaced by a vertebral column in adult frog. (c) It is absent throughout life in humans from the very beginning. (d) It is present throughout life in Amphioxus.

Description : Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct? (a) It is present only in larval tail in ascidian. (b) It is ... absent throughout life in humans from the very beginning. (d) It is present throughout life in Amphioxus.

Last Answer : (c) It is absent throughout life in humans from the very beginning.

Which of the following represents the correct combination without any exception ? Characteristics Class (a) Sucking and circular mouth; jaws absent, integument without scales; paired appendages. Cyclostomata (b) Body covered with feathers; skin moist and glandular, fore- limbs form wings; (c) Mammary gland; hair on body; pinnae; two pairs of limbs. Mammalia (d) Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. Chondrichthyeslungs with air sacs. Aves

Description : Which of the following represents the correct combination without any exception ? Characteristics Class (a) Sucking and circular mouth; jaws absent, integument without scales; paired ... Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. Chondrichthyes

Last Answer : (c) Mammary gland; hair on body; pinnae; two pairs of limbs. Mammalia

Important characteristic that hemichordates share with chordates is (a) ventral tubular nerve cord (b) pharynx with gill slits (c) pharynx without gill slits (d) absence of notochord.

Description : Important characteristic that hemichordates share with chordates is (a) ventral tubular nerve cord (b) pharynx with gill slits (c) pharynx without gill slits (d) absence of notochord.

Last Answer : (b) pharynx with gill slits

Which of the following statements are true for the Phylum Chordata? (A) In Urochordata, notochord extends from head to tail and it is present throughout their life. (B) In Vertebrata, notochord is present during the embryonic period only. (C) Central nervous system is dorsal and hollow. (D) Chordata is divided into 3 subphyla : Hemichordata, Tunicata and Cephalochordata. (a) (D) and (C) (b) (C) and (A) (c) (A) and (B) (d) (B) and (C)

Description : Which of the following statements are true for the Phylum Chordata? (A) In Urochordata, notochord extends from head to tail and it is present throughout their life. (B) In Vertebrata, notochord is present during the embryonic period only. (C ... (C) (b) (C) and (A) (c) (A) and (B) (d) (B) and (C)

Last Answer : (d) (B) and (C)

An important criterion for modern day classification is (a) resemblances in morphology (b) anatomical and physiological traits (c) breeding habits (d) presence or absence of notochord.

Description : An important criterion for modern day classification is (a) resemblances in morphology (b) anatomical and physiological traits (c) breeding habits (d) presence or absence of notochord.

Last Answer : (b) anatomical and physiological traits

An important characteristic that Hemichordates share with Chordates is : (1) Ventral tubular nerve cord (2) Pharynx with gill slits (3) Pharynx without gill slits (4) Absence of notochord

Description : An important characteristic that Hemichordates share with Chordates is : (1) Ventral tubular nerve cord (2) Pharynx with gill slits (3) Pharynx without gill slits (4) Absence of notochord

Last Answer : (2) Pharynx with gill slits

Notochord is found in the tail regionof a) Chordata b) Urochordata c) Cephalochordata d) Vertebrata

Description : Notochord is found in the tail regionof a) Chordata b) Urochordata c) Cephalochordata d) Vertebrata

Last Answer : b) Urochordata

An invertebrate does not have (1) Notochord (2) Body cavity (3) Haemocoel (4) Gills

Description : An invertebrate does not have (1) Notochord (2) Body cavity (3) Haemocoel (4) Gills

Last Answer : Notochord

Is intelligent, sentient life likely to evolve anywhere life develops and has 2 billion or more years to progress?

Description : Is intelligent, sentient life likely to evolve anywhere life develops and has 2 billion or more years to progress?

Last Answer : A lot of terran animals are intelligent. And many of those are sentient. Think elephants, dolphins, nonhuman apes, dogs. We do not know if and how many of the dinos were sentient, but I ... will only arise if the evolutionary pressure pushes them in that direction, which is almost never the case.

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The blooms are falling off my tomatoe plants and no fruit develops.

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Last Answer : If the blooms just turn brown and die it's because they are not getting pollinated. You can do it manually by shaking the tomato cage or the plant itself. If the blooms just disappear it sounds ... culprit. Just use the newspaper tubes at night and dispose of them in the trash the next morning.

“When a country develops, the contribution of primary sector declines and that of secondary and tertiary sector increases.” -SST 10th

Description : “When a country develops, the contribution of primary sector declines and that of secondary and tertiary sector increases.” -SST 10th

Last Answer : (i) In the initial stages of development, the primary sector was the most important sector of economic activity. As the methods of farming changed and agriculture sector began to prosper, ... in terms of total production and employment. This is the general pattern observed in developed countries.

(a) “The breathing cycle is rhythmic whereas exchange of gases is a continuous process”. Justify this statement. (b) What happens if conducting tubes of circulatory system develops a leak? State in brief, how could this be avoided? (c) How opening and closing of stomata takes place? -Biology

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Last Answer : (a) The breathing cycle involves inhalation and exhalation of air due to alternate expansion and contraction of thoracic cavity. Thus it is a rhythmic process. But exchange of gases is a continuous process ... pore opens up. When water moves out the guard cells shrinks and the stomatal pore closes.

Inter fascicular cambium develops from the cells -Biology

Description : Inter fascicular cambium develops from the cells -Biology

Last Answer : answer:

Which is the structure in which the female gametophyte develops? -Biology

Description : Which is the structure in which the female gametophyte develops? -Biology

Last Answer : answer:

Which flower part develops from the ovule and is surrounded by the fruit?

Description : Which flower part develops from the ovule and is surrounded by the fruit?

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Lip skin develops once a day in both winter and summer seasons ? What is the cause of the skin on the lips every day and the way to solve this problem ?

Description : Lip skin develops once a day in both winter and summer seasons ? What is the cause of the skin on the lips every day and the way to solve this problem ?

Last Answer : Cleanse lips daily with cleansing milk. Occasionally brush your lips with a brush. This kills dead cells. To avoid the sun's ultraviolet rays, apply lip balm or coconut oil with SPF lipstick on it before ... vitamin C causes chapped lips. For this, eat foods rich in vitamin C and consult a doctor.

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Description : I don't think it's age-related, but I'm not right, because they'd rather just try to get back to themselves if they try that way.

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Which of the following statement is / are correct with regard to Deuterostomes ? (a) The blastopore develops into anus in adult. (b) The balstopore de

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The ozone hole over Antartica develops each year between:

Description : The ozone hole over Antartica develops each year between:

Last Answer : The ozone hole over Antartica develops each year between: A. late august-early october B. march-April C. October-november D. January -february

Select the correct option Assertion Q. due to fragmentation in Planaria, each part develops the remaining body parts and becomes a complete animal Rea

Description : Select the correct option Assertion Q. due to fragmentation in Planaria, each part develops the remaining body parts and becomes a complete animal Rea

Last Answer : Select the correct option Assertion Q. due to fragmentation in Planaria, each part develops the remaining body ... D. Q is correct but R is wrong.

Medulla oblongata develops from

Description : Medulla oblongata develops from

Last Answer : Medulla oblongata develops from A. Ectoderm B. Endoderm C. Mesoderm D. Mesenchyme.

Twin develops from

Description : Twin develops from

Last Answer : Twin develops from A. Different zygotes B. Different ova C. Different sperms D. Same zygote.

Sympatric speciation develops reproductive isolation without

Description : Sympatric speciation develops reproductive isolation without

Last Answer : Sympatric speciation develops reproductive isolation without A. Geographic B. Barrier to mating C. Barrier to gene flow D. Genetic change

Corpus luteum develops from

Description : Corpus luteum develops from

Last Answer : Corpus luteum develops from A. Oocyte B. Nephrostome C. Graafian follicle D. Antrum

Assertion : Adrenal gland have dual origin. Reason : The aderenal cortex develops from endoderm while adrenal medulla develops from mesoderm.

Description : Assertion : Adrenal gland have dual origin. Reason : The aderenal cortex develops from endoderm while adrenal medulla develops from mesoderm.

Last Answer : Assertion : Adrenal gland have dual origin. Reason : The aderenal cortex develops from endoderm while ... D. If both Assertion and Reason are false.

When a current of `(2.5 +- 0.5)` ampere flows through a wire, it develops a potential difference of `(20 +- 1)` volt, the resistance of the wire is

Description : When a current of `(2.5 +- 0.5)` ampere flows through a wire, it develops a potential difference of `(20 +- 1)` volt, the resistance of the wire is

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