The age of a tree can be known by examining (A) Cambium layer (B) Annular rings (C) Medullary rays (D) Heart wood

The age of a tree can be known by examining
(A) Cambium layer
(B) Annular rings
(C) Medullary rays
(D) Heart wood
by

1 Answer

Answer :

Answer: Option B
by

Related questions

Sapwood consists of (A) Innermost annular rings around the pith (B) Portion of timber between heartwood and cambium layer (C) Thin layers below the bark (D) Thin fibre which extends from the pith outwards and holds the annular rings together

Description : Sapwood consists of (A) Innermost annular rings around the pith (B) Portion of timber between heartwood and cambium layer (C) Thin layers below the bark (D) Thin fibre which extends from the pith outwards and holds the annular rings together

Last Answer : Answer: Option B

Pick up the correct statement from the following: Method of sawing timber (A) Tangentially to annual rings, is known as tangential method (B) In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method (C) Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing (D) All the above

Description : Pick up the correct statement from the following: Method of sawing timber (A) Tangentially to annual rings, is known as tangential method (B) In four quarters such that each board cuts annual rings ... medullary rays and perpendicular to annual rings, is known as radial sawing (D) All the above

Last Answer : Answer: Option D

Interfascicular cambium develops from the cells of (a) endodermis (b) pericycle (c) medullary rays (d) xylem parenchyma.

Description : Interfascicular cambium develops from the cells of (a) endodermis (b) pericycle (c) medullary rays (d) xylem parenchyma.

Last Answer : (c) medullary rays

Inner part of a timber log surrounding the pitch, is called (A) Sapwood (B) Cambium layer (C) Heart wood (D) None to these

Description : Inner part of a timber log surrounding the pitch, is called (A) Sapwood (B) Cambium layer (C) Heart wood (D) None to these

Last Answer : Answer: Option C

Which of the statements given below is not true about formation of annual rings in trees? (a) Annual rings are not prominent in trees of temperate region. (b) Annual ring is a combination of spring wood and autumn wood produced in a year. (c) Differential activity of cambium causes light and dark bands of tissue-early and late wood respectively. (d) Activity of cambium depends upon variation in climate.

Description : Which of the statements given below is not true about formation of annual rings in trees? (a) Annual rings are not prominent in trees of temperate region. (b) Annual ring is a combination ... of tissue-early and late wood respectively. (d) Activity of cambium depends upon variation in climate.

Last Answer : a) Annual rings are not prominent in trees of temperate region

A narrow layer of thin walled cells found between phloem/bark and wood of a dicot is (a) cork cambium (b) vascular cambium (c) endodermis (d) pericycle.

Description : A narrow layer of thin walled cells found between phloem/bark and wood of a dicot is (a) cork cambium (b) vascular cambium (c) endodermis (d) pericycle.

Last Answer : (b) vascular cambium

What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Description : What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Last Answer : Ans. ((a))

Ray Whitcombe is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Barbara Whitcombe, Ray's wife; Mr. Jason McCubbins, Ray's business partner; and Mr. Harold Nichols, Ray's best friend. All three visited Mr. Whitcombe the day of his murder, but all three provide the police with stories of explanation as to the reason for their visit. Police found Mr. Whitcombe with his wrist watch still on his right arm, a torn up picture of his wife laying on the floor beside the trash can, and an ink pen in his right hand. On the desk, the police found a name plate, a telephone that was off the hook, and a personal calendar turned to the July 5th page with 7B91011 written on it. After examining this evidence, the police knew their suspect. Who was it?

Description : Ray Whitcombe is found dead in his office at his desk. The police have narrowed the suspects down to three people: Mrs. Barbara Whitcombe, Ray's wife; Mr. Jason McCubbins, Ray's business partner; ... written on it. After examining this evidence, the police knew their suspect. Who was it? -Riddles

Last Answer : Jason McCubbins, Ray's business partner. The calendar is the clue to solving this murder. The police realized that since Mr. Whitcombe was wearing his watch on his right arm, he must be left handed. But ... September, October, November. Use the first letter of each month and it spells J-A-S-O-N.

__________ is used for examining the macro-structure of a material. (A) Metallurgical microscope (B) Optical microscope (C) X-rays (D) Visual inspection by naked eye

Description : __________ is used for examining the macro-structure of a material. (A) Metallurgical microscope (B) Optical microscope (C) X-rays (D) Visual inspection by naked eye

Last Answer : (D) Visual inspection by naked eye

When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as

Description : When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as

Last Answer : When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as – Included phloem

Age of a tree may be ascertained by (A) Radius of its stem (B) Circumference of its stem (C) Number of branches (D) Number of annual rings

Description : Age of a tree may be ascertained by (A) Radius of its stem (B) Circumference of its stem (C) Number of branches (D) Number of annual rings

Last Answer : Answer: Option D

Gymnosperms are also called soft wood spermatophytes because they lack (a) cambium (b) phloem fibres (c) thick-walled tracheids(d) xylem fibres

Description : Gymnosperms are also called soft wood spermatophytes because they lack (a) cambium (b) phloem fibres (c) thick-walled tracheids(d) xylem fibres

Last Answer : (d) xylem fibres.

Gymnosperms are also called soft wood spermatophytes because they lack (1) Xylem fibres (2) Cambium (3) Phloem fibres (4) Thick-walled tracheids

Description : Gymnosperms are also called soft wood spermatophytes because they lack (1) Xylem fibres (2) Cambium (3) Phloem fibres (4) Thick-walled tracheids

Last Answer : (4) Thick-walled tracheids

What is an endoscope? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularize the irregular heart beats (3) It is an instrument used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles

Description : What is an endoscope? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularize the ... used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles

Last Answer : (1) It is an optical instrument used to see inside the alimentary canal Explanation: Endoscopymeans looking inside and typically refers to looking inside the body for medical reasons using ... : breathing disorders; chronic diarrhea; internal bleeding; irritable bowel syndrome; stomach ulcers, etc.

What is an endoscope ? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularise the irregular heart beats (3) It is an instrument used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles

Description : What is an endoscope ? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularise the ... used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles

Last Answer :  It is an optical instrument used to see inside the alimentary canal

In a plant, the layer of persistently meristematic tissue, giving rise to secondary tissues, resulting in growth in diameter is which of the following? a) bark b) cambium c) capsule

Description : In a plant, the layer of persistently meristematic tissue, giving rise to secondary tissues, resulting in growth in diameter is which of the following? a) bark b) cambium c) capsule

Last Answer : ANSWER: B -- CAMBIUM

The cracks which extend from bark towards the sap wood in the cross section of a tree, are called (A) Radial shakes (B) Star shakes (C) Heart shakes (D) Cup shakes

Description : The cracks which extend from bark towards the sap wood in the cross section of a tree, are called (A) Radial shakes (B) Star shakes (C) Heart shakes (D) Cup shakes

Last Answer : Answer: Option B

Annular pancreas?

Description : Annular pancreas?

Last Answer : DefinitionAn annular pancreas is a ring of pancreatic tissue that encircles the duodenum (the first part of the small intestine). Normally, the pancreas sits next ... that may be associated with annular pancreas include:Down syndromeOther congenital gastrointestinal problemsPancreatitisExce

In 'annular' pattern, rivers flow – (1) from West to East (2) from North to South (3) like a ring (4) in transverse direction

Description : In 'annular' pattern, rivers flow – (1) from West to East (2) from North to South (3) like a ring (4) in transverse direction

Last Answer : (3) like a ring Explanation: Annular pattern refers to a ringshaped drainage system. Over circular underground rock structures such as batholiths, the drainage network may develop into a series of concentric rings.

Rivers in “annular” pattern flow in which direction

Description : Rivers in “annular” pattern flow in which direction

Last Answer : like a ring

A __________ evaporator employs an annular downtake.(A) Basket type (B) Horizontal (C) Long tube vertical (D) None of these

Description : A __________ evaporator employs an annular downtake. (A) Basket type (B) Horizontal (C) Long tube vertical (D) None of these

Last Answer : (A) Basket type

The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is (a) elongating (b) widening (c) differentiating (d) maturing.

Description : The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is (a) elongating (b) widening (c) differentiating (d) maturing.

Last Answer : (c) differentiating

Two concentric circles have radii of 23 cm and 9 cm. A rectangle has an area equal to the annular space between the above two circles. If the breadth of the rectangle is 22 cm then find its length. 1 : 32 cm 2 : 48 cm 3 : 76 cm 4 : 64 cm 5 : None of these

Description : Two concentric circles have radii of 23 cm and 9 cm. A rectangle has an area equal to the annular space between the above two circles. If the breadth of the rectangle is 22 cm then find its length. 1 : 32 cm 2 : 48 cm 3 : 76 cm 4 : 64 cm 5 : None of these

Last Answer : 4 : 64 cm

target lesion are found in erythema: a-annular b-marginatom c-multiform d-nodosum _______________

Description : target lesion are found in erythema: a-annular b-marginatom c-multiform d-nodosum _______________

Last Answer : multiform

In ‘annular’ pattern, rivers flow (1) from West to East (2) from North to South (3) like a ring (4) in transverse direction

Description : In ‘annular’ pattern, rivers flow (1) from West to East (2) from North to South (3) like a ring (4) in transverse direction

Last Answer : like a ring

The problem-solving agent with several immediate options of unknown value can decide what to do by just examining different possible sequences of actions that lead to states of known value, and then choosing the best sequence. This process of looking for such a sequence is called Search. a) True b) False

Description : The problem-solving agent with several immediate options of unknown value can decide what to do by just examining different possible sequences of actions that lead to states of known value, and then choosing the ... . This process of looking for such a sequence is called Search. a) True b) False

Last Answer : a) True

Why in Newton’s rings setup, the beam splitter (mirror) is kept at 450? (a) It allows light rays to incident at 450over the top surface of Plano convex lens (b) It allows light rays to incident uniformly over the top surface of Plano convex lens (c) It allows light rays to incident parallel over the top surface of Plano convex lens (d) It allows light rays to incident at 900over the top surface of Plano convex lens

Description : Why in Newton's rings setup, the beam splitter (mirror) is kept at 450? (a) It allows light rays to incident at 450over the top surface of Plano convex lens (b) It allows light rays to ... Plano convex lens (d) It allows light rays to incident at 900over the top surface of Plano convex lens

Last Answer : (d) It allows light rays to incident at 900over the top surface of Plano convex lens

Age of a tree can be determined (a) By counting the number of rings (b) By thickness of the bark (c) By bulk of the tree (d) By number of leaves

Description : Age of a tree can be determined (a) By counting the number of rings (b) By thickness of the bark (c) By bulk of the tree (d) By number of leaves

Last Answer : Ans:(a)

The age of a tree can be determined more or less accurately by - (1) counting the number of branches (2) measuring the height of the tree (3) measuring the diameter of the trunk (4) counting the number of rings in the trunk

Description : The age of a tree can be determined more or less accurately by - (1) counting the number of branches (2) measuring the height of the tree (3) measuring the diameter of the trunk (4) counting the number of rings in the trunk

Last Answer : (4) counting the number of rings in the trunk Explanation: When a tree has been cut down or felled, then it is relatively easy to work out its age by counting the growth or annual rings that can be ... a tree is a special tissue (called the cambium) which forms new cells so that the tree can grow.

The cross-section of a stem of tree has fifty rings, what is the age of the tree? (1) 50 months (2) 5 years (3) 25 years (4) 50 years

Description : The cross-section of a stem of tree has fifty rings, what is the age of the tree? (1) 50 months (2) 5 years (3) 25 years (4) 50 years

Last Answer : (4) 50 years Explanation: Dendrochronology or tree-ring dating is the scientific method of dating based on the analysis of patterns of tree rings, also known as growth rings. Dendrochronology can date ... the vascular cambium, a layer of cells near the bark that is classified as a lateral meristem.

Age of a tree can be estimated by (a) number of annual rings (b) diameter of its heartwood (c) its height and girth (d) biomass.

Description : Age of a tree can be estimated by (a) number of annual rings (b) diameter of its heartwood (c) its height and girth (d) biomass.

Last Answer : (a) number of annual rings

The age of a tree can be determined more or less accurately by (1) counting the number of branches (2) measuring the height of the tree (3) measuring the diameter of the trunk (4) counting the number of rings in the trunk

Description : The age of a tree can be determined more or less accurately by (1) counting the number of branches (2) measuring the height of the tree (3) measuring the diameter of the trunk (4) counting the number of rings in the trunk

Last Answer : counting the number of rings in the trunk

The cross-section of a stem of tree has fifty rings, what is the age of the tree ? (1) 50 months (2) 5 years (3) 25 years (4) 50 years

Description : The cross-section of a stem of tree has fifty rings, what is the age of the tree ? (1) 50 months (2) 5 years (3) 25 years (4) 50 years

Last Answer :  50 years

Will Pledge remove water rings from wood?

Description : Will Pledge remove water rings from wood?

Last Answer : Pledge will remove water stains from wood as well as apply a protective layer to help keep new stains from forming.

Which of the following statements represents the FIRST step in seating new brushes on slip rings? A. Wrap sandpaper around the slip rings and slide it back and forth between the brushes and the slip rings. B. Press the brushes against the slip ring with a wood block. C. Increase brush pressure and run at no load for 3 to 4 hours. D. Apply seating compound under the brushes and run at no load for 2 hours.

Description : Which of the following statements represents the FIRST step in seating new brushes on slip rings? A. Wrap sandpaper around the slip rings and slide it back and forth between the brushes and the slip rings. B. ... to 4 hours. D. Apply seating compound under the brushes and run at no load for 2 hours.

Last Answer : Answer: A

The manoxylic wood refers to........... a)single ring of xylem b)hard and compressed c)loose and soft d)many rings of xylem.

Description : The manoxylic wood refers to........... a)single ring of xylem b)hard and compressed c)loose and soft d)many rings of xylem.

Last Answer : c)loose and soft

Projection of cortex between medullary pyramids is called_____

Description : Projection of cortex between medullary pyramids is called_____

Last Answer : Projection of cortex between medullary pyramids is called_____

Projection of cortex between medullary pyramids is called_____

Description : Projection of cortex between medullary pyramids is called_____

Last Answer : Projection of cortex between medullary pyramids is called_____

Which of the following is incorrect about juxta medullary nephrons?

Description : Which of the following is incorrect about juxta medullary nephrons?

Last Answer : Which of the following is incorrect about juxta medullary nephrons? A. Vasa recta is prominent B. `Na^( ... limb of Henle D. Loop of Henle is long

Which feature enables the mammalian kidney to concentrate urine in the medullary region?

Description : Which feature enables the mammalian kidney to concentrate urine in the medullary region?

Last Answer : Which feature enables the mammalian kidney to concentrate urine in the medullary region? A. Rapid ... . Rapid flow of blood through the medulla.

What Cells that holow out the medullary cavity?

Description : What Cells that holow out the medullary cavity?

Last Answer : Feel Free to Answer

Medullary carcinoma of thyroid?

Description : Medullary carcinoma of thyroid?

Last Answer : DefinitionMedullary carcinoma of the thyroid is cancer of the thyroid gland that starts in cells that release a hormone called calcitonin. Such cells are called "C" cells.Alternative NamesThyroid - ... type of cancer if you have:A family history of MTCA family history of multiple endocrine

The emetic action of morphine is due to (a) Irritation of gastrointestinal tract (b) Stimulation of cerebral cortex (c) Stimulation of medullary vomiting center (d) Stimulation of emetic chemoreceptor trigger zone (e) None of the above

Description : The emetic action of morphine is due to (a) Irritation of gastrointestinal tract (b) Stimulation of cerebral cortex (c) Stimulation of medullary vomiting center (d) Stimulation of emetic chemoreceptor trigger zone (e) None of the above

Last Answer : Ans: D

Which of the following factors is responsible for the formation of concentrated urine? (a) Hydrostatic pressure during glomerular filtration. (b) Low levels of antidiuretic hormone. (c) Maintaining hyperosmolarity towards the medullary interstitium in the kidneys. (d) Secretion of erythropoietin by Juxtaglomerular complex.

Description : Which of the following factors is responsible for the formation of concentrated urine? (a) Hydrostatic pressure during glomerular filtration. (b) Low levels of antidiuretic hormone. (c) ... the medullary interstitium in the kidneys. (d) Secretion of erythropoietin by Juxtaglomerular complex.

Last Answer : (c) Maintaining hyperosmolarity towards the medullary interstitium in the kidneys.

Which one of the following pairs of structures distinguishes a nerve cell from other types of cell? (a) Vacuoles and fibres (b) Flagellum and medullary sheath (c) Nucleus and mitochondria (d) Perikaryon and dendrites

Description : Which one of the following pairs of structures distinguishes a nerve cell from other types of cell? (a) Vacuoles and fibres (b) Flagellum and medullary sheath (c) Nucleus and mitochondria (d) Perikaryon and dendrites

Last Answer : d) Perikaryon and dendrites

Which stage of anesthesia is termed surgical anesthesia? a) III With proper administration of the anesthetic, this stage may be maintained for hours. b) I Stage I is beginning anesthesia, as the patient breathes in the anesthetic mixture and experiences warmth, dizziness, and a feeling of detachment. c) II Stage II is the excitement stage, which may be characterized by struggling, singing, laughing, or crying. d) IV Stage IV is a stage of medullary depression and is reached when too much anesthesia has been administered.

Description : Which stage of anesthesia is termed surgical anesthesia? a) III With proper administration of the anesthetic, this stage may be maintained for hours. b) I Stage I is beginning anesthesia, as the ... IV is a stage of medullary depression and is reached when too much anesthesia has been administered.

Last Answer : a) III With proper administration of the anesthetic, this stage may be maintained for hours.

Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings

Description : Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings

Last Answer : D. Blockade of muscarinic autoreceptors on vagal nerve endings

Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings

Description : Initial bradycardia caused by intramuscular injection of atropine is believed to be caused by: A. Stimulation of medullary vagal centre B. Stimulation of vagal ganglia C. Blockade of M2 receptors on SA nodal cells D. Blockade of muscarinic autoreceptors on vagal nerve endings

Last Answer : D. Blockade of muscarinic autoreceptors on vagal nerve endings

Medullary Thyroid Cancer

Description : Medullary Thyroid Cancer

Last Answer : Medullary thyroid cancer is the third most common of all thyroid cancers. It accounts for 5 to 8 percent of the entire thyroid cancer cases. It is completely different from all the other thyroid ... remove the lymph nodes and fatty tissues within the side of the neck that harbors the cancer.

Medullary vascular bundles are found in

Description : Medullary vascular bundles are found in

Last Answer : 3