**Description :** The length of the tooth is established by: A. Good undistorted pre-operative x ray B. Adequate coronal access to all canals C. Adjustable endo millimetre ruler D. Definite repeatable plane of reference to anatomical landmark on tooth E. All of the above

**Last Answer :** A. Good undistorted pre-operative x ray

**Description :** Frankfort plane extends from, A. horizontally from Sella to nasion B. Sagittal from …. C. Horizontally from point on superior aspect of external auditory meatus to orbitale

**Last Answer :** C. Horizontally from point on superior aspect of external auditory meatus to orbitale

**Description :** when probing for periodontal disease the tip of the probe will be, A. At the coronal end of junctional epithelium B. At the top of the gingival calculus

**Last Answer :** A. At the coronal end of junctional epithelium

**Description :** Probe pressure at the sulcus of pocket should not be more than enough to: A. Feel the top of the crestal bone B. Balance the pressure between fulcrum and grasp C. Define the location of ... and the calculus deposit D. Feel the coronal end of the attached tissues E. Limit the lateral pressure

**Last Answer :** D. Feel the coronal end of the attached tissues

**Description :** In the adjoining figure, ABCD is a parallelogram in which AB is produced to E so that BE = AB. Prove that ED bisects BC -Maths 9th

**Last Answer :** Given, ABCD is a parallelogram. BE = AB To show, ED bisects BC Proof: AB = BE (Given) AB = CD (Opposite sides of ||gm) ∴ BE = CD Let DE intersect BC at F. Now, In ΔCDO and ΔBEO, ∠DCO = ... CD (Proved) ΔCDO ≅ ΔBEO by AAS congruence condition. Thus, BF = FC (by CPCT) Therefore, ED bisects BC. Proved

**Description :** The given figure shows a circle with centre O in which a diameter AB bisects the chord PQ at the point R. If PR = RQ = 8 cm and RB = 4 cm, then find the radius of the circle. -Maths 9th

**Last Answer :** Let r be the radius, then OQ = OB = r and OR = (r - 4) ∴ OQ2 = OR2 + RO2 ⇒ r2 = 64 + (r-4)2 ⇒ r2 = 64 + r2 + 16 - 8r ⇒ 8r = 80 ⇒ r = 10 cm

**Description :** In the adjoining figure, ABCD is a parallelogram in which AB is produced to E so that BE = AB. Prove that ED bisects BC -Maths 9th

**Last Answer :** Given, ABCD is a parallelogram. BE = AB To show, ED bisects BC Proof: AB = BE (Given) AB = CD (Opposite sides of ||gm) ∴ BE = CD Let DE intersect BC at F. Now, In ΔCDO and ΔBEO, ∠DCO = ... CD (Proved) ΔCDO ≅ ΔBEO by AAS congruence condition. Thus, BF = FC (by CPCT) Therefore, ED bisects BC. Proved

**Description :** The given figure shows a circle with centre O in which a diameter AB bisects the chord PQ at the point R. If PR = RQ = 8 cm and RB = 4 cm, then find the radius of the circle. -Maths 9th

**Last Answer :** Let r be the radius, then OQ = OB = r and OR = (r - 4) ∴ OQ2 = OR2 + RO2 ⇒ r2 = 64 + (r-4)2 ⇒ r2 = 64 + r2 + 16 - 8r ⇒ 8r = 80 ⇒ r = 10 cm

**Description :** In the given figure, O is the centre of the circle. The radius OP bisects a rectangle ABCD at right angles. -Maths 9th

**Last Answer :** answer:

**Description :** Diagonal AC of a parallelogram ABCD bisects ∠A (see figure). Show that (i) it bisects ∠C also, (ii) ABCD is a rhombus -Maths 9th

**Last Answer :** (i) Here, ABCD is a parallelogram and diagonal AC bisects ∠A. ∴ ∠DAC=∠BAC ---- ( 1 ) Now, AB∥DC and AC as traversal, ∴ ∠BAC=∠DCA [ Alternate angles ] --- ( 2 ) AD∥BC and AAC as traversal, ∴ ∠DAC= ... ---- ( 2 ) From ( 1 ) and ( 2 ), ⇒ AB=BC=CD=DA Hence, ABCD is a rhombus.

**Description :** In the figure below, `bar(MN)` is the diameter of the circle with centre O. `bar(NP)` bisects the `/_ANM`. If `/_ NMA =33^(@)`, then find `/_ ANP`.

**Last Answer :** In the figure below, `bar(MN)` is the diameter of the circle with centre O. `bar(NP)` bisects the `/_ANM`. If `/_ NMA =33^(@)`, then find `/_ ANP`.

**Description :** A sagittal section of human brain is shown here. Identify at least two labels from A-D. (a) C-Midbrain, D-Cerebellum (b) A-Cerebrum, C-Pons (c) B-Corpus callosum, D-Medulla (d) A-Cerebral hemispheres, B-Cerebellum

**Last Answer :** (b) A-Cerebrum, C-Pons

**Description :** In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on (i) Bottom face near counterfort (ii) Top face near counterfort (iii) Bottom face near centre of span (iv) Top ... ) (B) Only (ii) (C) Both (i) and (iv) (D) Both (ii) and (iii)

**Last Answer :** Answer: Option C

**Description :** What is the Anatomical noun for back?

**Last Answer :** Need answer

**Description :** Should we rally to put the world to work hardening our electronics for the next great solar Coronal Mass Ejection?

**Last Answer :** answer:With this all I could find on preparations: Dr Fisher said precautions could be taken including creating back up systems for hospitals and power grids and allow development on satellite ... a complete outage of electricity supplies we had better prepare for life without power. Source

**Description :** Patient reported to you 30 min after trauma to central incisor. Patient is 10 yrs old and there is traumatic exposure of pulp. What will be the line of treatment- 1) coronal pulpotomy and Ca-hydr. ... 3) 1-2 mm. of coronal pulp extirpated and Ca hydroxide and then permanent filling 4) Pulpectomy

**Last Answer :** 3) 1-2 mm. of coronal pulp extirpated and Ca hydroxide and then permanent filling

**Description :** In severe periodontitis the probe: A. Gets stopped by calculus B. Goes beyond connective tissues of junctional epithelium C. Touches coronal end of junctional epithelium D. Touches the middle of junctional epithelium E. Touches sulculuar epithelium

**Last Answer :** B. Goes beyond connective tissues of junctional epithelium

**Description :** To achieve optimum cavity preparation, which of the following factors of internal anatomy must be considered in root canal treatment: A. Outline form B. The age and shape of pulp chamber; in ... root canals. C. Internal external relationship D. Intra-coronal preparation E. None of the above

**Last Answer :** B. The age and shape of pulp chamber; in addition to the direction of individual root canals.

**Description :** The objective of pulp capping is to: A. Preserve vitality of coronal pulp B. Preserve vitality of entire pulp C. Preserve vitality of radicular pulp D. Regenerate a degenerated and necrotic pulp E. None of the above

**Last Answer :** B. Preserve vitality of entire pulp

**Description :** When a rectangular beam is loaded longitudinally, shear develops on (A) Bottom fibre (B) Top fibre (C) Middle fibre (D) Every-horizontal plane

**Last Answer :** (D) Every-horizontal plane

**Description :** A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: w) all converted into heat x) equal to its ... kinetic energy at the top of the plane z) dependant on the materials of which the block is made

**Last Answer :** ANSWER: X -- EQUAL TO ITS POTENTIAL ENERGY (WITH RESPECT TO THE BOTTOM OF PLANE) WHEN IT WAS AT THE TOP OF THE PLANE.

**Description :** A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The ... , Plane, Concave (b) Plane, Convex, Concave (c) Concave, Plane, Convex (d) Convex, Concave, Plan

**Last Answer :** (c) Concave, Plane, Convex

**Description :** In a counterfort retaining wall, the main reinforcement is provided on the (i) Bottom face in front counterfort (ii) Inclined face in front counterfort (iii) Bottom face in back counterfort (iv) Inclined face in back counterfort ... (B) (ii) and (iii) (C) (i) and (iv) (D) (iii) and (iv)

**Last Answer :** Answer: Option C

**Description :** ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C. Show that: (i) ABCD is a square (ii) Diagonal BD bisects ∠B as well as ∠D. -Maths 9th

**Last Answer :** Solution: (i) ∠DAC = ∠DCA (AC bisects ∠A as well as ∠C) ⇒ AD = CD (Sides opposite to equal angles of a triangle are equal) also, CD = AB (Opposite sides of a rectangle) ,AB = BC = CD = AD Thus ... interior angles) ⇒ ∠CBD = ∠ABD Thus, BD bisects ∠B Now, ∠CBD = ∠ADB ⇒ ∠CDB = ∠ADB Thus, BD bisects ∠D

**Description :** Diagonal AC of a parallelogram ABCD bisects ∠A (see Fig. 8.19). Show that (i) it bisects ∠C also, (ii) ABCD is a rhombus. -Maths 9th

**Last Answer :** . Solution: (i) In ΔADC and ΔCBA, AD = CB (Opposite sides of a parallelogram) DC = BA (Opposite sides of a parallelogram) AC = CA (Common Side) , ΔADC ≅ ΔCBA [SSS congruency] Thus, ∠ACD = ∠CAB by ... are equal) Also, AB = BC = CD = DA (Opposite sides of a parallelogram) Thus, ABCD is a rhombus.

**Description :** ABC is an isosceles triangle in which AB=AC.AD bisects exterior angles PAC and CD parallel AB.Prove that-i)angle DAC=angle BAC ii)∆BCD is a parallelogram -Maths 9th

**Last Answer :** AB =AC(given) Angle ABC =angle ACB (angle opposite to equal sides) Angle PAC=Angle ABC +angle ACB (Exterior angle property) Angle PAC =2 angle ACB - - - - - - (1) AD BISECTS ANGLE PAC. ANGLE ... AND AC IS TRANSVERSAL BC||AD BA||CD (GIVEN ) THEREFORE ABCD IS A PARALLEGRAM. HENCE PROVED........

**Description :** ABCD is a rhombus in which altitude from D to side AB bisects AB. Find the angles of the rhombus. -Maths 9th

**Last Answer :** According to question altitude from D to side AB bisects AB. Find the angles of the rhombus.

**Description :** A diagonal of a parallelogram bisects one of its angles. Show that it is a rhombus. -Maths 9th

**Last Answer :** According to question parallelogram bisects one of its angles.

**Description :** ABC is an isosceles triangle in which AB=AC.AD bisects exterior angles PAC and CD parallel AB.Prove that-i)angle DAC=angle BAC ii)∆BCD is a parallelogram -Maths 9th

**Last Answer :** AB =AC(given) Angle ABC =angle ACB (angle opposite to equal sides) Angle PAC=Angle ABC +angle ACB (Exterior angle property) Angle PAC =2 angle ACB - - - - - - (1) AD BISECTS ANGLE PAC. ANGLE ... AND AC IS TRANSVERSAL BC||AD BA||CD (GIVEN ) THEREFORE ABCD IS A PARALLEGRAM. HENCE PROVED........

**Description :** ABCD is a rhombus in which altitude from D to side AB bisects AB. Find the angles of the rhombus. -Maths 9th

**Last Answer :** According to question altitude from D to side AB bisects AB. Find the angles of the rhombus.

**Description :** A diagonal of a parallelogram bisects one of its angles. Show that it is a rhombus. -Maths 9th

**Last Answer :** According to question parallelogram bisects one of its angles.

**Description :** In Fig. 7.19, AD and BC are equal perpendicular to a line segment AB. Show that CD bisects AB. -Maths 9th

**Last Answer :** Solution :-

**Description :** If the bisector of an angle of a triangle bisects the opposite side, prove that the triangle is isosceles. -Maths 9th

**Last Answer :** Solution :-

**Description :** ABCD is a rhombus in which altitude from D to side AB bisects AB. Find the angles of the rhombus. -Maths 9th

**Last Answer :** Solution :-

**Description :** ABCD is parallelogram . AB is produced to E so that BE = AB. Provethat ED bisects BC -Maths 9th

**Last Answer :** This answer was deleted by our moderators...

ABCD is a parallelogram. AB is produced to E such that BE = AB. Prove that ED bisects BC. -Maths 9th

**Description :** ABCD is a parallelogram. AB is produced to E such that BE = AB. Prove that ED bisects BC. -Maths 9th

**Last Answer :** answer:

**Description :** Which of the following statements about the striated muscles is ture ? In the centre of each I-Band is an elastic fiber(Z-line ) which bisects it M-li

**Last Answer :** Which of the following statements about the striated muscles is ture ? In the centre of each I-Band is an elastic ... C. `i and iii` D. `i and ii`

**Description :** If bc bisects the angle acd then b is the midpoint of ad?

**Last Answer :** That is not necessarily true.

**Description :** A graph is said to be ……………… if the vertices can be split into two sets V1 and V2 such there are no edges between two vertices of V1 or two vertices of V2. A) Partite B) Bipartite C) Rooted D) Bisects

**Last Answer :** B) Bipartite

**Description :** What special anatomical features are displayed by leaves of C4 plants? -Biology

**Last Answer :** answer:

**Description :** Explain anatomical dead space. -Biology

**Last Answer :** answer:

**Description :** Assertion `:-` The anatomical setup of lungs in thorax is such that any change in the volume of the thoracic cavity will be reflected in the lung cavi

**Last Answer :** Assertion `:-` The anatomical setup of lungs in thorax is such that any change in the volume of ... False. D. If both Assertion & Reason are false.

**Description :** Anatomical barrier to disease is

**Last Answer :** Anatomical barrier to disease is A. Skin B. Mucouse membrane C. Mucus and cilia D. All the above

**Description :** When correctly situated in anatomical position where ar your feet in relation to your knees?

**Last Answer :** distal

**Description :** What is Another anatomical term for a human that means the same as ventral?

**Last Answer :** What is the answer ?

**Description :** What is the average anatomical distance between the trachea and esophagus?

**Last Answer :** Need answer

**Description :** What is the anatomical makeup of the foot and what are the causes/symptoms of tendonitis in the foot?

**Last Answer :** Tendonitis is the result of irritation or inflammation of a tendon. Some of the common causes of tendonitis include: repetitive strain, injury, too much strain, or as a result Arthritis and/or ... and pain when under pressure. These symptoms can range from mild to severe pain and discomfort.

**Description :** Anatomical differences between adult and paediatric?

**Last Answer :** Why Children and Adults are Different Adult physicians often underestimate the differences between adults and children. Those who work with children seldom do. Although children are very different from ... direct treatment for this most vulnerable population. This may be defendable if children were

**Description :** Which of the following anatomical considerations is correct: A. optic chiasm lesions characteristically produce a bitemporal hemianopia B. central scotoma occurs early in papilloedema C. in ... hemianopia E. opticokinetic nystagmus is found with bilateral infarction of the parieto-occipital lobes

**Last Answer :** Ans: A

**Description :** Which of the following anatomical considerations is correct: A. optic chiasm lesions characteristically produce a bitemporal hemianopia B. central scotoma occurs early in papilloedema C. in ... hemianopia E. opticokinetic nystagmus is found with bilateral infarction of the parieto-occipital lobes

**Last Answer :** Ans: A