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.
Description : Assertion : A bony fish can stay at a particular depth without expending energy is a swimming contrary to the cartilaginous fishes. Reason : In bony f
Last Answer : Assertion : A bony fish can stay at a particular depth without expending energy is a swimming contrary ... D. If both Assertion and Reason are false.
Description : In which one of the following is swim bladder absent? (1) Cutdefish (2) Bony fish (3) Cartilaginous fish (4) Silverfish
Last Answer : (3) Cartilaginous fish Explanation: The swim bladder is an internal gas-filled organ that contributes to the ability of a fish to control its buoyancy, and thus to stay at the current ... years ago and lack both lungs and swim bladders, suggesting that these structures evolved after that split.
Description : Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.
Last Answer : (a) birds and lizards
Description : The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into ... dry and cornified skin, scales over the body are epidermal, they do not have external ears.
Last Answer : (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.
Description : Sharks are: a) amphibians b) bony fish c) cartilaginous fish (pron: kart-el-aj-eh-nes) d) reptiles
Last Answer : ANSWER: C -- CARTILAGINOUS FISH
Description : In which one of the following is swim bladder absent ? (1) Cuttlefish (2) Bony fish (3) Cartilaginous fish (4) Silverfish
Last Answer : Cartilaginous fish
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
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
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
Description : Crocodile and penguin are similar to whale and dogfish in which one of the following features? (a) Possess a solid single stranded central nervous system (b) Lay eggs and guard them till they hatch (c) Possess bony skeleton (d) Have gill slits at some stage
Last Answer : (d) Have gill slits at some stage
Description : Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded ( ... marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.
Last Answer : (b) All bony fishes have four pairs of gills and an operculum on each side
Last Answer : (b) All bony fishes have four pairs of gills and an operculum on each side.
Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ... ) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones
Last Answer : (c) Chondrichthyes : possess cartilaginous endo- skeleton
Description : Which of the following characteristic features always holds true for the corresponding group of animals? (a) Possess a mouth with an Chordata upper and a lower jaw (b) 3- ... heart with Reptilia one incompletely divided ventricle (c) Cartilaginous endoskeleton Chondrichthyes (d) Viviparous
Last Answer : (c) Cartilaginous endoskeleton
Description : Which group of chordates possess sucking and circular mouth without jaws?
Last Answer : Which group of chordates possess sucking and circular mouth without jaws?
Description : Vertebral column is derived from
Last Answer : Vertebral column is derived from A. Dorsal nerve cord B. Ventral nerve cord C. Outgrowth of cranium D. Notochord
Description : Vertebral column is a modified
Last Answer : Vertebral column is a modified A. Nerve cord B. Notochord C. Umbilical chord D. Urochordata
Description : At which level of vertebrae of the vertebral column trachea divides and forms bronchus ?
Last Answer : At which level of vertebrae of the vertebral column trachea divides and forms bronchus ? A. `4^( ... thorasic vertebrae D. `3^(rd)` thorasic vertebrae
Description : Idenfity thhe labelling A,B,C,D,E and F in the given diagra of vertebral column
Last Answer : Idenfity thhe labelling A,B,C,D,E and F in the given diagra of vertebral column
Description : Match the following bones of vertebral column
Last Answer : Match the following bones of vertebral column
Description : In joints, the bones invovled are joined together with the help of cargtilages. The joint between the adjacent vertebrae in the vertebral column is of
Last Answer : In joints, the bones invovled are joined together with the help of cargtilages. The joint between ... pattern and it permits limited movements, is-
Description : how many bones are found in human vertebral column?
Last Answer : how many bones are found in human vertebral column?
Description : The skull region articulates with the superior region of the vertebral column with the help of two_____
Last Answer : The skull region articulates with the superior region of the vertebral column with the help of two_____
Description : Write the functions of the vertebral column
Last Answer : Write the functions of the vertebral column
Description : The skull, vertebral column ad ribs constitute the _____skeleton
Last Answer : The skull, vertebral column ad ribs constitute the _____skeleton
Description : In the given figure, identify vertebral column and sternum
Last Answer : In the given figure, identify vertebral column and sternum A. A and C B. A and B C. C and B D. C and A
Description : The number of anterior curves present with humen vertebral column is
Last Answer : The number of anterior curves present with humen vertebral column is A. 2 B. 4 C. 6 D. 1
Description : A doctor advises a patient to take plenty of citrus fruits, guavas, tomatoes and amlas over a period of two months regularly. What do you think is the complaint of the patient? (a) Softness and ... skin of angle of mouth (d) Extreme weakness, swelling and pain in legs, loss of appetite, headache
Last Answer : Ans:(b)
Description : In a human body, the longest bone is in the - (1) vertebral column (2) thigh (3) rib cage (4) arm
Last Answer : (2) thigh Explanation: The femur (pl. femurs or femora), or thigh bone, is the most proximal (closest to the center of the body) bone of the leg in tetrapod vertebrates capable of walking ... articulates with the acetabulum. By most measures the femur is one of the strongest bones in the body.
Description : Which is the largest and strongest verte- brae in the vertebral column?
Last Answer : Lumbar vertebrae
Description : Which is the second vertebral column?
Last Answer : Axis
Description : Which is the first bone of the vertebral column?
Last Answer : Atlas
Description : What is the function of cartilage in between vertebrae in the vertebral column?
Last Answer : The cartilage present between the vertebrae in the vertebral column helps in bending and stretching movements.
Description : What is vertebral column? State its function.
Last Answer : Vertebral column refers to a structure containing a series of ring like bones (vertebrae) arranged one above the other. It supports the body and provides attachment to the muscles.
Description : Vertebral Column in human beings consists of how many vertebrae? A. 5 B. 10 C. 12 D. 33 (Answer)
Last Answer : D. 33 (Answer)
Description : The following are true about the spinal cord: a. segment T12 lies at the level of vertebral body T9 b. cerebrospinal fluid is found within the subdural space c. two point ... the dorsal column d. hemisection results in contralateral loss of pain and temperature sense below the lesio
Last Answer : segment T12 lies at the level of vertebral body T9
Description : Select the correct statement with respect to locomotion in humans. (a) The vertebral column has 10 thoracic vertebrae. (b) The joint between adjacent vertebrae is a fibrous joint. (c) A ... osteoporosis in old people. (d) Accumulation of uric acid crystals in joints causes their inflammation
Last Answer : (d) Accumulation of uric acid crystals in joints causes their inflammation.
Description : Out of X ' pairs of ribs in humans only Y ' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation. (a) X = 12, Y = 5 True ribs are ... (d) X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum
Last Answer : (d) X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum
Description : How many pair of never arises from vertebral column?
Last Answer : 31 pair
Description : Which of the following is NOT a component of the human axial skeleton? a) sternum b) vertebral column c) tarsals d) skull
Last Answer : ANSWER: C -- TARSALS
Description : In a human body, the longest bone is in the (1) vertebral column (2) thigh (3) rib cage (4) arm
Last Answer : thigh
Description : A member of the BOA shall, at the time of his/her appointment, possess the following qualifications, except a. Must be a natural-born citizen and resident of the Philippines. b. Must not be a ... registered CPA with more than ten (10) years of work experience in any scope of practice of accountancy.
Last Answer : Must be a duly registered CPA with more than ten (10) years of work experience in any scope of practice of accountancy.
Description : Why is there a bony lump in my right shoulder?
Last Answer : Perhaps it the end of part of your scapula (Acromion) sticking up slightly out of alignment. I have that bump on my right shoulder from lugging around a baritone sax for a year when I was in junior high. It happen slowly over time. I didn’t even notice it until years later.
Description : Tooth which embedded in a bony socket of jaw bone is called :-
Last Answer : Tooth which embedded in a bony socket of jaw bone is called :- A. Acrodont B. Thecodont C. Pleurodont D. Diphyodont
Description : bony cavity in which pituitary gland is situated in
Last Answer : bony cavity in which pituitary gland is situated in
Description : Fresh water bony fishes maintain water balance by
Last Answer : Fresh water bony fishes maintain water balance by A. Excreting a hypotonic urine B. Excreting salt ... . Excreting wastes in the form of uric acid
Description : Marine bony fish have body fluids hypotonic to sea water and tend to lose water from the body through (a) Gill membrane (b) Oral membrane ( c) Anal me
Last Answer : Marine bony fish have body fluids hypotonic to sea water and tend to lose water from the body through (a) Gill ... and (c) only D. (b) and (c) only