At maturity, which of the following is non-nucleated?
(a) Palisade cell (b) Cortical cell
(c) Sieve cell (d) Companion cel

1 Answer

Answer :

(c) Sieve cell

Related questions

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

Description : Identify the two components of Phloem tissue that help in transportation of food in plants (a) Phloem parenchyma & sieve tubes (b) Sieve tubes & companion cell. (c) Phloem parenchyma & companion cell. (d) Phloem fibres and sieve tubes

Last Answer : (b) Sieve tubes & companion cell.

Description : State the function of a) sieve tubes b) sieve plate c) companion cells d) phloem fibres.

Last Answer : a) Sieve tubes: They play an important role in the conduction of food. b) Sieve plate: It allows the food to pass through the pores. c) Companion cells: They control the passage of food through the phloem. d) Phloem fibres: They provide tensile strength to the plant body.

Description : Bordered pits are found in (a) sieve cells (b) vessel wall (c) companion cells (d) sieve tube wall.

Last Answer : (b) vessel wall

Description : Transport of food material in higher plants takes place through (a) companion cells (b) transfusion tissue (c) tracheids (d) sieve elements.

Last Answer : (d) sieve elements.

Description : Function of companion cells is (a) providing energy to sieve elements for active transport (b) providing water to phloem (c) loading of sucrose into sieve elements by passive transport (d) loading of sucrose into sieve elements.

Last Answer : (d) loading of sucrose into sieve elements.

Description : Companion cells are closely associated with (a) sieve elements (b) vessel elements (c) trichomes (d) guard cells.

Last Answer : a) sieve elements

Description : Phloem in gymnosperms lacks (a) both sieve tubes and companion cells (b) albuminous cells and sieve cells (c) sieve tubes only (d) companion cells only.

Last Answer : (a) both sieve tubes and companion cells

Description : Bordered pits are found in (a) sieve cells (b) vessel wall (c) companion cells (d) sieve tube wall

Last Answer : (b) vessel wall

Description : Transport of food material in higher plants takes place through (a) companion cells (b) transfusion tissue (c) tracheids (d) sieve elements.

Last Answer : d) sieve elements.

Description : Function of companion cells is (a) providing energy to sieve elements for active transport (b) providing water to phloem (c) loading of sucrose into sieve elements by passive transport (d) loading of sucrose into sieve elements.

Last Answer : (d) loading of sucrose into sieve elements.

Description : Companion cells are closely associated with (a) sieve elements (b) vessel elements (c) trichomes (d) guard cells.

Last Answer : (a) sieve elements

Description : Phloem in gymnosperms lacks (a) both sieve tubes and companion cells (b) albuminous cells and sieve cells (c) sieve tubes only (d) companion cells only

Last Answer : (a) both sieve tubes and companion cells

Description : Companion cells are closely associated with (1) Guard cells (2) Sieve elements (3) Vessel elements (4) Trichomes

Last Answer : (2) Sieve elements

Description : Assertion :- Yeast can progress through the cell cycle in only about 90 minutes. Reason :- Duration of cel cycle can vary from organism to organism

Last Answer : Assertion :- Yeast can progress through the cell cycle in only about 90 minutes. Reason :- Duration of ... . D. If both Assertion & Reason are false.

Description : A cell supplies a current `i_(1)` trhough a resistnace `R_(1)` and a current `i_(2)` through a resistance `R_(2)`. The internal resistance of this cel

Last Answer : A cell supplies a current `i_(1)` trhough a resistnace `R_(1)` and a current `i_(2)` through a resistance `R_(2 ... ))/(i_(1)-i_(2)))sqrt(R_(1)R_(2))`

Description : In which process does the cell use a vesicle to move molecules into the cel?

Last Answer : What is the answer ?

Description : If you are asked to classify the various algae into distinct groups, which of the following characters you should choose? (a) Nature of stored food materials in the cell (b) Structural organization of thallus (c) Chemical composition of the cell wall (d) Types of pigments present in the cel

Last Answer : (d) Types of pigments present in the cel

Description : Which statement is true for WBC? (a) Non-nucleated (b) In deficiency, cancer is caused (c) Manufactured in thymus (d) Can squeeze through blood capillaries

Last Answer : (d) Can squeeze through blood capillaries

Description : How about a cel phone signal booster?

Last Answer : I’ve heard cell phone repeater antenna systems work, but have no first-hand experience with them.

Description : $ Seive tubes in plants are formed of enucleated cells called seive members. ! All the activities of a seive cell are controlled by nucleated parenchy

Last Answer : $ Seive tubes in plants are formed of enucleated cells called seive members. ! All the activities of a seive ... wrong D. If both As and R are wrong.

Description : Is a llma have red nucleated cell?

Last Answer : llamas are camelids. Camelids can have a small number of nucleated red blood cells. But their red blood cells are elliptical rather than round.

Description : Why do palisade mesophyll cell contains high density in a plant cell?

Last Answer : Need answer

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 : 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

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 : 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 : 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 : 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 : 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 : Inverted cortical vascular bundles are found in

Last Answer : Inverted cortical vascular bundles are found in – Nyctanthes stem

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 : Write the important features of Nucleated settlements. -Geography

Last Answer : Nucleated settlements: (i) These settlements are those in which large number of houses are built very close to each other. (ii) These settlements develop along river valleys and in fertile plains. (iii) Here, communities are closely knit and share common occupation.

Description : Examination of blood of a person suspected of having anaemia, shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his die

Last Answer : Examination of blood of a person suspected of having anaemia, shows large, immature, nucleated ... and cobalamine C. Riboflavin D. Iron compounds

Description : RBCs are nucleated in

Last Answer : RBCs are nucleated in A. Man B. Rabbit C. Rat D. Frog

Description : Are camel red blood cells nucleated?

Last Answer : The red blood cells of all mammals, without exception, are anucleated (lacking a nucleus). Mammal RBCs are nucleated only during embryonic stages. The red blood cells of camels are oval instead of round so they can withstand the effects of water deprivation better.

Description : Are camel red blood cells nucleated?

Last Answer : The red blood cells of all mammals, without exception, are anucleated (lacking a nucleus). Mammal RBCs are nucleated only during embryonic stages. The red blood cells of camels are oval instead of round so they can withstand the effects of water deprivation better.

Description : The appearance of markedly vacuolated, nucleated red cells in the marrow, anemia, and reticulocytopenia are characteristic dose-dependent side effects of (a) Azithromycin (b) Chloramphenicol (c) Clindamycin (d) Doxycycline (e) Linezolid

Last Answer : Ans: C

Description : With regard to HLA class 1 antigen: a. they are expressed on all nucleated cells b. they are essential for viral antigen recognition by cytotoxic cells c. the genes for HLA class 1 molecules are located on chromosome 6 and 15 d. all above

Last Answer : all above

Description : Eight nucleated embryo sac is (a) only monosporic (b) only bisporic (c) only tetrasporic (d) any of these.

Last Answer : (d) any of these.

Description : Which one of the following characteristics is common both in humans and adult frogs? (a) Four chambered heart (b) Internal fertilisation (c) Nucleated RBCs (d) Ureotelic mode of excretion

Last Answer : (c) Nucleated RBCs

Description : Examination of blood of a person suspected of having anaemia shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms? (a) Iron compounds (b) Thiamine (c) Folic acid and cobalamine (d) Riboflavin

Last Answer : (c) Folic acid and cobalamine

Description : Frogs differ from humans in possessing (a) paired cerebral hemispheres (b) hepatic portal system (c) nucleated red blood cells (d) thyroid as well as parathyroid

Last Answer : (c) nucleated red blood cells

Description : Compared to those of humans, the erythrocytes in frog are (a) without nucleus but with haemoglobin (b) nucleated and with haemoglobin (c) very much smaller and fewer (d) nucleated and without haemoglobin.

Last Answer : (b) nucleated and with haemoglobin