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 attached dorsally to vertebral column and sternum on the two ends (b) X = 24, Y = 2 The true ribs are dorsally attached to vertebral column but are free on ventral side(c) X = 24, Y = 12True ribs are dorsally attached to vertebral column but are free on ventral side (d) X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum

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 attached dorsally to
vertebral column and sternum
on the two ends
(b) X = 24, Y = 2 The true ribs are dorsally attached
to vertebral column but are free
on ventral side
(c) X = 24, Y = 12True ribs are dorsally attached to
vertebral column but are free on
ventral side
(d) X = 12, Y = 7 True ribs are attached dorsally to
vertebral column and ventrally
to the sternum
by

1 Answer

Answer :

(d) X = 12, Y = 7 True ribs are attached dorsally to
vertebral column and ventrally
to the sternum
by

Related questions

Select the correct option. (a) There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs. (b) 8th, 9th and 10th pairs of ribs articulate directly with the sternum. (c) 11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage. (d) Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum

Description : Select the correct option. (a) There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs. (b) 8th, 9th and 10th pairs of ribs articulate ... bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum

Last Answer : (a) There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs.

Ribs are dorsally attacehd with ____whereas ventrally with_____

Description : Ribs are dorsally attacehd with ____whereas ventrally with_____

Last Answer : Ribs are dorsally attacehd with ____whereas ventrally with_____

Match the following columns and select the correct option. Column-I Column-II (A) Floating ribs (i) Located between second and seventh ribs (B) Acromion (ii) Head of the humerus (C) Scapula (iii) Clavicle (D) Glenoid cavity (iv) Do not connect with the sternum (A) (B) (C) (D) (a) (ii) (iv) (i) (iii) (b) (i) (iii) (ii) (iv) (c) (iii) (ii) (iv) (i) (d) (iv) (iii) (i) (ii)

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Last Answer : (d) (iv) (iii) (i) (ii)

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Last Answer : (b) Clavicle and glenoid Pelvic girdle cavity

In the given figure, identify vertebral column and sternum

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

Which of the following is NOT a component of the human axial skeleton? a) sternum b) vertebral column c) tarsals d) skull

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

Costal cartilage: a) attach the ribs to the sternum b) cover the ends of the femur c) is found in the pinna of the ear d) forms the intervertebral disks of the backbone

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Last Answer : ANSWER: A -- Attach the ribs to the sternum

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 decreased level of progesterone causes osteoporosis in old people. (d) Accumulation of uric acid crystals in joints causes their inflammation

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Last Answer : (d) Accumulation of uric acid crystals in joints causes their inflammation.

The skull, vertebral column ad ribs constitute the _____skeleton

Description : The skull, vertebral column ad ribs constitute the _____skeleton

Last Answer : The skull, vertebral column ad ribs constitute the _____skeleton

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

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

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.

Identify the tissue shown in the diagram and match with its characteristics and its location. (a) Smooth muscles, show branching, found in the wall of the heart(b) Cardiac muscles, unbranched muscles, found in the walls of the heart (c) Striated muscles, tapering at both-ends, attached with the bones of the ribs (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

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Last Answer : (d) Skeletal muscles show striations and are closely attached with the bones of the limbs

Correct combination for the parts of thorasic cavity and their position is :- `{:((A),"Ribs",(i),"Ventral"),((b),"Diaphragm",(ii),"Dorsal"),((c),"vert

Description : Correct combination for the parts of thorasic cavity and their position is :- `{:((A),"Ribs",(i),"Ventral"),((b),"Diaphragm",(ii),"Dorsal"),((c),"vert

Last Answer : Correct combination for the parts of thorasic cavity and their position is :- `{:((A),"Ribs",(i),"Ventral"),((b)," ... B-(iii), C-(ii), D-(i), E-(iv)

Match the following columns and select the correct option. Column-I Column-II (A) Organ of Corti (i) Connects middle ear and pharynx (B) Cochlea (ii) Coiled part of the labyrinth (C) Eustachian tube (iii) Attached to the oval window (D) Stapes (iv) Located on the basilar membrane

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Last Answer : (C) Eustachian tube (iii) Attached to the oval window

Joint of sternum and ribs is

Description : Joint of sternum and ribs is

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Last Answer : (a) Cartilaginous joint

Sternum is connected to ribs by (a) bony matter (b) white fibrous cartilage (c) hyaline cartilage (d) areolar tissue.

Description : Sternum is connected to ribs by (a) bony matter (b) white fibrous cartilage (c) hyaline cartilage (d) areolar tissue.

Last Answer : (c) hyaline cartilage

Which type of chest configuration is typical of the patient with COPD? a) Barrel chest “Barrel chest” results from fixation of the ribs in the inspiratory position. b) Pigeon chest Pigeon chest results from a displaced sternum. c) Flail chest Flail chest results when the ribs are fractured. d) Funnel chest Funnel chest occurs when there is a depression in the lower portion of the sternum and is associated with Mafan’s syndrome or rickets.

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Last Answer : a) Barrel chest “Barrel chest” results from fixation of the ribs in the inspiratory position.

Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes(A) (B) (C) (D) (a) (ii) (iii) (iv) (i) (b) (iii) (iv) (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Description : Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes ... (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Last Answer : (a) (ii) (iii) (iv) (i)

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Description : Select the correct statement from the ones given below with respect to Periplaneta americana. (a) Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal ... midgut and hindgut. (d) Grinding of food is carried out only by the mouth parts.

Last Answer : (b) Males bear a pair of short thread like anal styles.

Select the correct statement from the ones given below with respect to Periplaneta americana (1) Grinding of food is carried out only by the mouth parts (2) Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives (3) Males bear a pair of short thread like anal styles (4) There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut

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Last Answer : (3) Males bear a pair of short thread like anal styles

The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. (a) C : Arterial capillary - Passes oxygen to tissues (b) A : Alveolar cavity - Main site of exchange of respiratory gases (c) D : Capillary wall - Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly

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Last Answer : (b) A : Alveolar cavity - Main site of exchange of respiratory gases

Vertebral Column in human beings consists of how many vertebrae? A. 5 B. 10 C. 12 D. 33 (Answer)

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)

Flight muscles of bird are attached to (a) clavicle (b) keel of sternum (c) scapula (d) coracoid.

Description : Flight muscles of bird are attached to (a) clavicle (b) keel of sternum (c) scapula (d) coracoid.

Last Answer : (b) keel of sternum

Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (A) One end is fixed and other end is hinged (B) Both ends are hinged or pin jointed (C) One end is fixed and the other end entirely free (D) Both the ends are fixed

Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (A) One end is fixed and other end is hinged (B) Both ... (C) One end is fixed and the other end entirely free (D) Both the ends are fixed

Last Answer : (D) Both the ends are fixed

Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) Both ends are hinged or pin jointed (c) One end is fixed and the other end entirely free (d) Both the ends are fixed

Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (a) One end is fixed and other end is hinged (b) ... (c) One end is fixed and the other end entirely free (d) Both the ends are fixed

Last Answer : (d) Both the ends are fixed

The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and / or characteristic. (a) C - Alveoli - Thin walled vascular bag like structures for exchange of gases. (b) D - Lower end of lungs - Diaphragm pulls it down during inspiration. (c) A - Trachea - Long tube supported by complete cartilaginous rings for conducting inspired air. (d) B - Pleural membrane - Surround ribs on both sides to provide cushion against rubbing.

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Last Answer : (a) C - Alveoli - Thin walled vascular bag like structures for exchange of gases.

In male sharks, Claspers are found attached to (1) Anal fin (2) Pectoral fin (3) Pelvic fin (4) Ventral fin

Description : In male sharks, Claspers are found attached to (1) Anal fin (2) Pectoral fin (3) Pelvic fin (4) Ventral fin

Last Answer : Pelvic fin

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 discrimination is transmitted in the dorsal column d. hemisection results in contralateral loss of pain and temperature sense below the lesio

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

Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature? Animals Morphological features (a) Scorpion, spider, – Ventral solid central cockroach nervous system (b) Cockroach, locust, – Metameric Taenia segmentation(c) Liver fluke, – Bilateral symmetry sea anemone, sea cucumber (d) Centipede, prawn, – Jointed appendages sea urchin

Description : Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature? Animals Morphological features (a) Scorpion, spider, - Ventral solid ... symmetry sea anemone, sea cucumber (d) Centipede, prawn, - Jointed appendages sea urchin

Last Answer : (a) Scorpion, spider, – Ventral solid central cockroach nervous system

Figure 19 .1 7 shows human urinary system with structures labeled A-D. Select the option which correctly identifies them and gives their characteristi

Description : Figure 19 .1 7 shows human urinary system with structures labeled A-D. Select the option which correctly identifies them and gives their characteristi

Last Answer : Figure 19 .1 7 shows human urinary system with structures labeled A-D. Select ... kidney. Secretes catecholamine which stimulates glycogen breakdown.

Select the incorrect option : a) (101)10 = (1100101)2 b) G is valid in hexadecimal system. c) C represents 12 d) The base of a decimal number system is 10.

Description : Select the incorrect option : a) (101)10 = (1100101)2 b) G is valid in hexadecimal system. c) C represents 12 d) The base of a decimal number system is 10.

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Which one of the following animals is correctly matched with its one characteristic and the taxon? Animal Characteristic Taxon (a) Millipede Ventral nerve Arachnida cord (b) Sea anemone Triploblastic Cnidaria (c) Silver fish Pectoral and Chordata pelvic fins (d) Duckbilled Oviparous Mammalia platypus

Description : Which one of the following animals is correctly matched with its one characteristic and the taxon? Animal Characteristic Taxon (a) Millipede Ventral nerve Arachnida cord (b) Sea anemone ... Cnidaria (c) Silver fish Pectoral and Chordata pelvic fins (d) Duckbilled Oviparous Mammalia platypus

Last Answer : (d) Duckbilled Oviparous Mammalia platypus

Which one of the following animals is correctly matched with its one characteristic and the taxon? Animal Characteristic Taxon (a) Millipede Ventral nerve Arachnida cord (b) Sea anemone Triploblastic Cnidaria (c) Silver fish Pectoral and Chordata pelvic fins (d) Duckbilled Oviparous Mammalia platypus

Description : Which one of the following animals is correctly matched with its one characteristic and the taxon? Animal Characteristic Taxon (a) Millipede Ventral nerve Arachnida cord (b) Sea anemone ... Cnidaria (c) Silver fish Pectoral and Chordata pelvic fins (d) Duckbilled Oviparous Mammalia platypus

Last Answer : (d) Duckbilled Oviparous Mammalia platypus

which of the following is the smallest taxonomic grounp of animals having a cranium , vertabral column , ventral heart , pulmonary respiration and two

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Which of the following pairs are correctly matched? Irrigation Project State 1. Damanganga : Gujarat 2. Girna : Maharashtra 3. Pamba : Kerala Select the correct answer: (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

Description : Which of the following pairs are correctly matched? Irrigation Project State 1. Damanganga : Gujarat 2. Girna : Maharashtra 3. Pamba : Kerala Select the correct answer: (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

Last Answer : Ans: (d)

The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2 , the permissible maximum crippling load will be (A) 1.288 tonnes (B) 12.88 (C) 128.8 tonnes (D) 288.0

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Last Answer : (B) 12.88

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 pain in bones, bending of vertebral column (b) Gums spongy, swollen and bleed easily (c) Blurred vision, burning and dryness of eye and tongue, cracking of skin of angle of mouth (d) Extreme weakness, swelling and pain in legs, loss of appetite, headache

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)

Vertebral column is derived from

Description : Vertebral column is derived from

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Vertebral column is a modified

Description : Vertebral column is a modified

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At which level of vertebrae of the vertebral column trachea divides and forms bronchus ?

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Idenfity thhe labelling A,B,C,D,E and F in the given diagra of vertebral column

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

Match the following bones of vertebral column

Description : Match the following bones of vertebral column

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how many bones are found in human vertebral column?

Description : how many bones are found in human vertebral column?

Last Answer : how many bones are found in human vertebral column?

The skull region articulates with the superior region of the vertebral column with the help of two_____

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Last Answer : The skull region articulates with the superior region of the vertebral column with the help of two_____

Write the functions of the vertebral column

Description : Write the functions of the vertebral column

Last Answer : Write the functions of the vertebral column

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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

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.