Description : In the dicot root the vascular cambium originates from (a) tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem (b) cortical region (c) parenchyma between endodermis and pericycle (d) intrafascicular and interfascicular tissue in a ring.
Last Answer : (a) tissue located below the phloem bundles and a portion of pericycle tissue above protoxylem
Description : Decot root having more than six vascular bundles are found in (a) Pea (b) Sunflower (c) Ficus (d) Ranunculus
Last Answer : Ans. ((c))
Description : Medullary vascular bundles are found in
Last Answer : 3
Description : In monocots showing secondary growth, the secondary vascular bundles are found embedded in
Last Answer : In monocots showing secondary growth, the secondary vascular bundles are found embedded in – Conjunctive tissue
Description : scattered vascular bundles embedded in the ground tissue with no definite arrangement is found in
Last Answer : scattered vascular bundles embedded in the ground tissue with no definite arrangement is found in – Stem of monocots
Description : In fern, vascular bundles are: (a) Radial (b) Hadrocentric (c) Open (d) Leptocentric
Last Answer : Ans. ((b))
Description : 82. Closed vascular bundles lack (1) Pith (2) Ground tissue (3) Conjunctive tissue (4) Cambium
Last Answer : Cambium
Description : Pyramid of number in a grassland/true ecosystem is: (a) Always inverted (b) Always upright (c) Both (a) and (b) (d) Spindle-shaped
Description : Pond ecosystem shows (a) Inverted pyramid of number (b) Inverted pyramid of biomass (c) Upright pyramid of biomass (d) Inverted pyramid of energy
Description : Water containing cavities in vascular bundles are found in (a) sunflower (b) maize (c) Cycas (d) Pinus.
Last Answer : (b) maize
Description : In which plants vascular bundles are closed? -Biology
Last Answer : answer:
Description : Why are the vascular bundles of dicots called open bundles? -Biology
Description : Where are the vascular bundles in a plant? -Biology
Last Answer : The vascular bundles are arranged near the edge of the stem, with the phloem on the outside and the xylem on the inside.
Description : Examples of radial vascular bundles -Biology
Description : $ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by intrafascicular cambium.
Last Answer : $ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by ... D. If both As and R are wrong.
Description : $ Biosphere is a closed system ! Closed vascular bundles are having intrafascicular cambium.
Last Answer : $ Biosphere is a closed system ! Closed vascular bundles are having intrafascicular cambium. A. If both As ... wrong D. If both As and R are wrong.
Description : When in plant leaves, chloroplast containing bundle sheath cells surrounds vascular bundles in several layers that anatomy is known as
Last Answer : When in plant leaves, chloroplast containing bundle sheath cells surrounds vascular bundles in several layers that anatomy is known as
Description : Monocot root differs from dicot root in having (a) Open vascular bundles (b) Scattered vascular bundles (c) Well developed pith (d) Radially arranged vascular bundles
Last Answer : Ans:(c)
Description : Dicot root having more than six vascular bundles is (a) Pea (b) Sunflower (c) Ficus (d) Ranunculus
Last Answer : Ans:(a)
Description : Radical vascular bundles are those in which?
Last Answer : xylem and phloem occur on the different radii
Description : Why are xylem and phloem called vascular bundles?
Last Answer : Since xylem and phloem occur together they are called vascular bundles.
Description : Which one of the following organisms is correctly matched with its three characteristics? (a) Pea: C3 pathway, endospermic seed, vexillary aestivation (b) Tomato: twisted aestivation, axile ... imbricate aestivation, axile placentation (d) Maize: C3 pathway, closed vascular bundles, scutellum
Last Answer : (c) Onion: bulb, imbricate aestivation, axile placentation
Description : Pericycle of roots produces (a) mechanical support (b) lateral roots (c) vascular bundles (d) adventitious buds.
Last Answer : b) lateral roots
Description : A major characteristic of monocot root is the presence of (a) vasculature without cambium (b) cambium sandwiched between phloem and xylem along the radius (c) open vascular bundles (d) scattered vascular bundles
Last Answer : (a) vasculature without cambium
Description : The transverse section of a plant shows following anatomical features : (i) Large number of scattered vascular bundles surrounded by bundle sheath (ii) Large conspicuous parenchymatous ground ... (a) Monocotyledonous stem (b) Monocotyledonous root (c) Dicotyledonous stem (d) Dicotyledonous root
Last Answer : (a) Monocotyledonous stem
Description : In barley stem vascular bundles are (a) closed and scattered (b) open and in a ring (c) closed and radial (d) open and scattered.
Last Answer : (a) closed and scattered (
Description : Some vascular bundles are described as open because these (a) are surrounded by pericycle but no endodermis (b) are capable of producing secondary xylem and phloem (c) possess conjunctive tissue between xylem and phloem (d) are not surrounded by pericycle.
Last Answer : (b) are capable of producing secondary xylem and phloem
Description : Ground tissue includes (a) all tissues external to endodermis (b) all tissues except epidermis and vascular bundles (c) epidermis and cortex (d) all tissues internal to endodermis.
Last Answer : b) all tissues except epidermis and vascular bundles
Description : Closed vascular bundles lack (a) ground tissue (b) conjunctive tissue (c) cambium (d) pith.
Last Answer : (c) cambium
Description : Vascular bundles in monocotyledons are considered closed because (a) there are no vessels with perforations (b) xylem is surrounded all around by phloem (c) a bundle sheath surrounds each bundle (d) cambium is absent.
Last Answer : (d) cambium is absent.
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 : Bowman’s glands are found in (a) juxtamedullary nephrons (b) olfactory epithelium (c) external auditory canal (d) cortical nephrons only
Last Answer : (b) olfactory epithelium
Description : Which is the smallest cortical nerve ?
Last Answer : The strongest carotid nerve abscess
Description : Assertion `:-` In cortical nephrone, the loop of Henle is too short and extends only very little into medulla. Reason `:-` Vasa recta is absent or hig
Last Answer : Assertion `:-` In cortical nephrone, the loop of Henle is too short and extends only very little into ... . D. If both Assertion & Reason are false.
Description : Adrneal cortical response is poor in (A) Kwashiorkor (B) Marasmus (C) Fatty liver (D) Atherosclerosis HORMONE METABOLISM 229
Last Answer : Answer : A
Description : In binocular vision: a. only points on the horopter fall on the corresponding retinal point b. points in front of the horopter will stimulate binasal retina c. points outside the horopter ... the periphery e. sensory fusion refers to the cortical integration of images perceived by the two eyes
Last Answer : only points on the horopter fall on the corresponding retinal point
Description : You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two? (a) Secondary xylem (b) Secondary phloem (c) Protoxylem (d) Cortical cells
Last Answer : (c) Protoxylem
Description : At maturity, which of the following is non-nucleated? (a) Palisade cell (b) Cortical cell (c) Sieve cell (d) Companion cel
Last Answer : c) Sieve cell
Last Answer : (c) Sieve cell
Description : Which of the following terms refers to the shaft of the long bone? a) Diaphysis The diaphysis is primarily cortical bone. b) Epiphysis An epiphysis is an end of a long bone. c) Lordosis ... an increase in lumbar curvature of spine. d) Scoliosis Scoliosis refers to lateral curving of the spine.
Last Answer : a) Diaphysis The diaphysis is primarily cortical bone.
Description : Lamina dura is actually: A. Cortical bone B. Spongy bone C. Immature bone D. Cribriform plate perforated by nutrition canals
Last Answer : D. Cribriform plate perforated by nutrition canals
Description : The primary site of action of thiazide diuretics is: A. Proximal tubule B. Ascending limb of loop of Henle C. Cortical diluting segment D. Collecting ducts
Last Answer : C. Cortical diluting segment
Description : The Na+ retaining action of aldosterone is exerted on the: A. Proximal convoluted tubule B. Ascending limb of loop of Henle C. Cortical diluting segment D. Distal convoluted tubul
Last Answer : D. Distal convoluted tubule
Description : Topical steroids are contraindicated in a case of viral corneal ulcer for fear of: a. Secondary glaucoma b. Cortical cataract. c. Corneal perforation d. Secondary viral infection.
Last Answer : ANSWER: C
Description : Which hormone is found in fruits, flowers, seeds, leaves and roots ?
Last Answer : Ethylene hormone is found in fruits, flowers, seeds, leaves and roots.
Description : Inain is found in which tree ?
Last Answer : : Inain is obtained from cinchona tree.
Description : Consider the following statements: The genetic code said to be degenerate and universal which means that, (1) Amino afids may have more than one codon (2) All amino acids have mo than one codon (3) Codons are common for higher and lower organism (4) Codons are not found in bacteria
Last Answer : Ans. ((d))