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651.

What are ligaments?

Answer» Ligaments are structures which connect bone to bone
652.

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in -A. NailsB. Ear ossiclesC. Tip off the noseD. Vertebrae

Answer» Correct Answer - C
653.

Cardiac muscle cells differ from striated muscle cells in havingA. a certrally located nucleusB. differeny myofibrilsC. fewer mitochondriaD. no sarcoplasmic reticulum

Answer» Correct Answer - A
The cardiac muscle fibres are uninucleate and their nuclei are centrally placed. Striated muscle fibres are multinucleate and their nuclei lie at irregular intervals.
654.

Match column `I` with column `II` and select the correct option from the codes given below `{:(,"Column I",,"Column II"),("A.","Hyaline cartilage","(i)","Pectoral girdle of frog"),("B.","Fibrous cartilage","(ii)","Long bones, sternum,ribs"),("C.","Elastic cartilage","(iii)","Pubic symphysis"),("D.","Calcified cartilage","(iv)","Eustachian tube, epiglottis"):}`A. A-(i),B-(ii),C-(iii),D-(iv)B. A-(ii),B-(iii),C-(iv),D-(i)C. A-(ii),B-(ic),C-(iii),D-(i)D. A-(iv),B-(iii),C-(ii),D-(i)

Answer» Correct Answer - B
655.

Supportive connective tissue meansA. TendonB. Cartilage and boneC. LigamentD. Blood and lymph.

Answer» Correct Answer - B
656.

Ossification is the process by whichA. Cartilage is formedB. Bone is formedC. Connective tissue is formedD. None of the above.

Answer» Correct Answer - B
657.

Epithelial tissue are arise from :A. EctodermB. EndodermC. MesodermD. All the above

Answer» Correct Answer - D
658.

Hyaline cartilage is present atA. The ends of digitsB. Tip of the noseC. Epiglottis of mammalsD. Articular ends of long bones .

Answer» Correct Answer - D
659.

The process of bone formation is calledA. OssificationB. CalcificationC. CalcinationD. None of these.

Answer» Correct Answer - A
660.

Calcified cartilage is present inA. PinnaB. Supra scapula of pectoral girdle of frogC. Ends of bonesD. Intervertebral discs.

Answer» Correct Answer - B
661.

Unstriped muscles are present in theA. Wall of intestineB. Leg musclesC. Muscles of fore limbD. Heart wall.

Answer» Correct Answer - A
662.

Muscle fibres having rounded ends areA. Unstriped musclesB. Smooth musclesC. Striped musclesD. All the above .

Answer» Correct Answer - C
663.

Ossification of connective tissue results inA. CartilageB. Sesamoid boneC. Membrane boneD. None of the above.

Answer» Correct Answer - C
664.

Bone formed by ossification of tendon is A. Membrane boneB. Sesamoid boneC. Dermal boneD. Cartilage

Answer» Correct Answer - B
665.

Name the protein fibres which occur in tendons

Answer» Correct Answer - Collagen fibres
666.

What used to be described as Nissl granules in a nerve cell are now identified asA. Cell metabolitesB. Fat granulesC. RibosomesD. Mitrochondria.

Answer» Correct Answer - C
667.

In frog, two phalanges occur inA. pollexB. hallexC. third fingerD. third toe

Answer» Correct Answer - B
668.

Which of the following is enucleateA. Squamous epithelial cellB. Mature human erythrocyteC. Mature human leukocyteD. Mature frog erythrocyte

Answer» Correct Answer - B
669.

Antennae of cockroach function asA. auditory receptorB. gustatory receptorC. olfactory receptorD. tactile sensory receptor

Answer»

Correct Answer - D

The antennae of Cockroach are the organs of touch and smell i.e. they are tactile and sensory receptor.

670.

Cell junctions will be frequent inA. ThrombocytesB. TendonC. Hyaline cartilageD. Ciliated epithelium.

Answer» Correct Answer - D
671.

Which is not phagocyticA. MonocyteB. Lymphocyte/BasophilC. NeutrophilD. Histiocyte.

Answer» Correct Answer - B
672.

Most active phagocytic white blood cells areA. neutrophils and eosinophilsB. lymphocytes and macrophagesC. eosinophils and lymphocytesD. neutrophils and monocytes

Answer» Correct Answer - d
Neutrophils and monocytes are phagocytic white blood cells. Monocytes are largest of all teucocytes and generally change into macrophages after entering tissue spaces. Neutrophils are most numerous of all leucocytes, and have many lobed nucleus.
Eosinophils are granular white blood cells. Their number increases in people with allergic conditions such as asthma or hay fever. They are non-phagocytic and seem to play part in immune system.
Lymphocytes are non-motile and non-phagocytic. These are found as B and T-lymphocytes. B-lymphocytes secrete antibodies to destroy microbes. T-lymphocytes either directly attack the antigens or stimulate B-lymphocytes to produce antibodies.
673.

Neuroglia cells areA. AstrocytesB. OligodendrocytesC. MicrogliaD. All the above .

Answer» Correct Answer - D
674.

Nervous tissue originates fromA. EndodermB. EctodermC. MesodermD. Mesoderm and ectoderm.

Answer» Correct Answer - B
675.

Multipolar nerve cells are present inA. CochleaB. Dorsal root ganglia of spinal cordC. Retina of eyeD. Brain.

Answer» Correct Answer - D
676.

Unipolar nerve cell meansA. Nerve cell with one dendronB. Nerve cell with many dendronsC. Nerve cell without dendronD. None of the above.

Answer» Correct Answer - c
677.

Multipolar neuron meansA. With one dendron and one axonB. With many dendrons and one axonC. With one dendron and no axonsD. With many dendrons and no axons.

Answer» Correct Answer - B
678.

`60%` inorganic components are present inA. CartilageB. BoneC. Connective tissueD. None of these.

Answer» Correct Answer - B
679.

The main difference between bone and cartilage is ofA. Mineral saltsB. Blood vesselsC. Lymph vesselsD. Haversian canals.

Answer» Correct Answer - B
680.

Matrix of cartilage is secreted byA. ChondrocytesB. ChondroblastsC. OsteocytesD. Histiocytes.

Answer» Correct Answer - B
681.

Ecdyoson is secreted byA. prothoracic glandsB. corpora allataC. corpora cardiacaD. cerebral-neuro-secretory cells.

Answer» Correct Answer - A
682.

Earthworm possesses heartsA. one pairB. 12 (six pairs)C. 8 (four pairs)D. 6 (three pairs)

Answer» Correct Answer - C
683.

Four pairs of hearts in earthworm occur in segmentsA. 6, 7 and 9, 10B. 9, 10 and 14, 15C. 7, 9 and 12, 13D. none of these.

Answer» Correct Answer - C
684.

What external changes are visible after the last moult of a cockroach nymphA. Both fore wings & hind wings developB. Labium developsC. Mandibles become harderD. Anal cerci develops

Answer» Correct Answer - A
685.

The lateral hearts in earthwormA. are situated in segments 7 and 9B. are situated in segments 6 and 8C. are situated in segments 8 and 10D. are situated in segments 6 and 11

Answer» Correct Answer - A
A pair of large, thick and muscular vertical vessels, called hearts are present in each of the segments 7, 9, 12 and 13 in earthworm. Heats of `7^(th)` and `9^(th)` segment are called lateral hearts that connect dorsal and ventral vessels only.
686.

In Pheretima, clitellum is primarily meant forA. BurrowingB. FertilizationC. Producing cocoonsD. Locomotion

Answer» Correct Answer - C
687.

The main function of clitellum isA. cocoon formationB. locomotionC. excretionD. copulation

Answer» Correct Answer - A
cocoon formation
688.

Lateral oesophageal hearts in earthworm connectA. Supra-oesophageal and dorsal essel to ventral vesselB. Dorsal vessel to sub-oesophageal vesselC. Lateral oesophageal vessel to subneural vesselD. Dorsal vessel to subneural vessel

Answer» Correct Answer - A
Supra-oesophageal and dorsal essel to ventral vessel
689.

In Pheretima, clitellum is primarily meant forA. BurrowingB. FertilisationC. Producing cocoonsD. Locomotion

Answer» Correct Answer - C
Producing cocoons
690.

Consider the following four statements `(A-D)` related to the common frog rane tigrina and select the correct option stating which ones are true (T) and which ones are false (F) Statements : (A) On dry land it would die due to lack of `O_(2)` of its mouth is farcibly kept closed for a few days (B) It has four-chambered heart (C) ON dry land it turns uricotelic from ureotelic (D) Its life-history is carried out in pond waterA. A-F,B-F,C-T,D-TB. A-F,B-T,C-T,D-FC. A-T,B-F,C-F,D-TD. A-T,B-T,C-F,D-F

Answer» Correct Answer - C
A-T,B-F,C-F,D-T
691.

What do you mean by peurometabolous type of development?

Answer» In cockroach, development occurs through series of of nymphal stages and is known as paurometabolous.
692.

Which one of the following correctly describes the location of some body parts in the earthworm PheretimaA. Four pairs of spermathecae in 4-7 segmentsB. One paiir of ovaries attached at intersegmental septum of 14th and 15th segmentsC. Two pairs of testes in 10th and 11th segmentsD. Two pairs of accessory glands in 16th-18th segments.

Answer» Correct Answer - C
Two pairs of testes in 10th and 11th segments
693.

Which one of the following structures in Pheretima is correctly matched with its functionA. Setae _ Defence against predatorsB. Typhlosole - Storage of extra nutrientsC. Clitellum _ Secretes cocoonD. Gizzard - Absorbs digested food

Answer» Correct Answer - C
Clitellum _ Secretes cocoon
694.

What do you mean by aestivation.

Answer» It is the summer sleep, which is undergone by frogs during hot summers.
695.

Write a function of hindlimbs in frogs.

Answer» They assist in swimming as they have five digits connected by broad thn webs.
696.

Name the various excretory organs present in cockroach.

Answer» Malpighian tubules, fat bodies, nephrocytes and urecose glands.
697.

Name the two parts of central nervous system in frog.

Answer» Brain and spinal cord.
698.

Uric acid is the chief nitrogenous component of the excretory products of `:`A. EarthwormB. CockroachC. FrogD. Man

Answer» Correct Answer - B
Cockroach
699.

Stomach in frogs containsA. Calciferous glandsB. Hepatic caecaeC. Collaterial glandsD. Oxyntic and gastric glands

Answer» Correct Answer - D
Oxyntic and gastric glands
700.

Which hormone is required for metamorphosis in frogs?

Answer» Correct Answer - Thyroxine