Transfusion tissue is present in the leaves of
(a) Pinus (b) Dryopteris
(c) Cycas (d) both (a) and (c).

1 Answer

Answer :

(d) both (a) and (c).

Related questions

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))

Description : Flagellated male gametes are present in all the three of which one of the following sets? (a) Zygnema, Saprolegnia and Hydrilla (b) Fucus, Marsilea and Calotropis (c) Riccia, Dryopteris and Cycas (d) Anthoceros, Funaria and Spirogyra

Last Answer : (c) Riccia, Dryopteris and Cycas

Description : A plant in which sporophytic generation is represented by zygote is (a) Pinus (b) Selaginella (c) Chlamydomonas (d) Dryopteris

Last Answer : (c) Chlamydomonas

Description : Winged pollen grains are present in (a) mustard (b) Cycas (c) mango (d) Pinus

Last Answer : (d) Pinus.

Description : Winged pollen grains are present in (1) Mustard (2) Cycas (3) Mango (4) Pinus

Last Answer : (4) Pinus

Description : Give the economic importance of Cycas and Pinus.

Last Answer : Give the economic importance of Cycas and Pinus.

Description : Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................----- ... - PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera

Last Answer : Ans. ((a))

Description : Number of cotyledons in Zea mays, Cycas and Pinus respectively are: (a) 1, 2, 4 (b) 1, 2, many (c) 2, 2, many (d) 2, 1, 4

Last Answer : Ans. ((b))

Description : Classify the following into gymnosperms and angiosperms. Wheat, pinus, bean, Cycas

Last Answer : Pinus, Cycas – Gymnosperms Wheat, bean – Angiosperms

Description : Besides paddy fields, cyanobacteria are also found inside vegetative part of (a) Equisetum (b) Psilotum (c) Pinus (d) Cycas

Last Answer : (d) Cycas.

Description : Which one of the following plants is monoecious? (a) Pinus (b) Cycas (c) Papaya (d) Marchantia

Last Answer : (a) Pinus

Description : Which one of the following is monoecious? (a) Marchantia (b) Cycas (c) Pinus (d) Date palm

Last Answer : (c) Pinus

Description : Water containing cavities in vascular bundles are found in (a) sunflower (b) maize (c) Cycas (d) Pinus.

Last Answer : (b) maize

Description : Largest sperms in the plants world are found in (a) Banyan (b) Cycas (c) Thuja (d) Pinus.

Last Answer : (b) Cycas

Description : .Which one pair of examples will correctly represent the grouping spermatophyta according to one of the schemes of classifying plants? (a) Acacia, sugarcane (b) Pinus, Cycas (c) Rhizopus, Triticum (d) Ginkgo, Pisum

Last Answer : (d) Ginkgo, Pisum

Description : Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. (a) Perianth and two integuments (b) Embryo development and ... of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

Last Answer : (d) Presence of vessel elements and absence of archegonia

Description : .In Pinus/Cycas/gymnosperms, the endosperm is (a) triploid (b) haploid (c) diploid (d) tetraploid.

Last Answer : (b) haploid

Description : Resin and turpentine are obtained from (a) Cycas (b) Pinus (c) Cedrus (d) Abies.

Last Answer : (b) Pinus

Description : Which one of the following is categorised under living fossils? (a) Pinus (b) Cycas (c) Selaginella (d) Metasequoia

Last Answer : (b) Cycas

Description : Select the mismatch. (a) Cycas – Dioecious (b) Salvinia – Heterosporous (c) Equisetum – Homosporous (d) Pinus – Dioecious

Last Answer : (d) Pinus – Dioecious

Description : Select the mismatch (1) Cycas – Dioecious (2) Salvinia – Heterosporous (3) Equisetum – Homosporous (4) Pinus – Dioecious

Last Answer : (4) Pinus – Dioecious

Description : The cells which are closely associated and interacting with guard cells are - (1) Transfusion tissue (2) Complementary cells (3) Subsidiary cells (4) Hypodermal cells

Last Answer : (3) Subsidiary cells Explanation: Guard cells interact physiologically and mechanically with subsidiary cells. Guard cells are those which have chloroplasts and control the opening of stomata. But, subsidiary cells are those which support the guard cells and they do not have chloroplasts.

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 : The chief water conducting elements of xylem in gymnosperms are (a) vessels (b) fibres (c) transfusion tissue (d) tracheids.

Last Answer : (d) tracheids.

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 : The chief water conducting elements of xylem in gymnosperms are (a) vessels (b) fibres (c) transfusion tissue (d) tracheids

Last Answer : d) tracheids.

Description : The cells which are colsely associated and interacting with guard cells are (1) Transfusion tissue (2) Complementary cells (3) Subsidiary cells (4) Hypodermal cells

Last Answer : Subsidiary cells

Description : dryopteris and pteris -Biology

Last Answer : answer:

Description : dryopteris and pteris -Biology

Last Answer : answer:

Description : What is common in all the three, Funaria, Dryopteris and Ginkgo? (a) Presence of archegonia (b) Well developed vascular tissues (c) Independent gametophyte (d) Independent sporophyte

Last Answer : (a) Presence of archegonia

Description : Which one of the following is heterosporous? (a) Adiantum (b) Equisetum (c) Dryopteris (d) Salvinia

Last Answer : (d) Salvinia

Description : Select the correct statement. (a) Sequoia is one of the tallest trees. (b) The leaves of gymnosperms are not well adapted to extremes of climate. (c) Gymnosperms are both homosporous and heterosporous. (d) Salvinia, Ginkgo and Pinus all are gymnosperms.

Last Answer : (a) Sequoia is one of the tallest trees.

Description : Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas ... D and E (b) B, C and E (c) A, C and D (d) B, C and D

Last Answer : (a) A, D and E

Description : In Pinus plant, stomata are a. Sunken b. Bulged out c. Absent d. Rarely present

Last Answer : a. Sunken

Description : Cycas has two cotyledons but not included in angiosperms because of (a) naked ovules (b) seems like monocot (c) circinate ptyxis (d) compound leaves.

Last Answer : (a) naked ovules

Description : .Pinus differs from mango in having (a) tree habit (b) green leaves (c) ovules not enclosed in ovary (d) wood.

Last Answer : (c) ovules not enclosed in ovary

Description : Which one of the following is a fact about Pinus leaves? a. Leaf dimorphism b. Dorsi-ventrally flat leaves c. Succulent leaves d. Broad lamina

Last Answer : a. Leaf dimorphism

Description : gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Last Answer : answer:

Description : gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Last Answer : answer:

Description : The problem, due to Rh– factor arises when the blood of two (Rh+ and Rh–) mix up (a) during pregnancy (b) in a test tube (c) through transfusion (d) both (a) and (c)

Last Answer : (d) both (a) and (c)

Description : Which of the following statements is correct? (a) Ovules are not enclosed by ovary wall in gymnosperms. (b) Selaginella is heterosporous, while Salvinia is homosporous. (c) Horsetails are gymnosperms. (d) Stems are usually unbranched in both Cycas and Cedrus.

Last Answer : (a) Ovules are not enclosed by ovary wall in gymnosperms.

Description : Which of the following statement is correct ? (1) Ovules are not enclosed by ovary wall in gymnosperms (2) Selaginella is heterosporous, while Salvinia is homosporous (3) Horsetails are gymnosperms (4) Stems are usually unbranched in both Cycas and Cedrus

Last Answer : (1) Ovules are not enclosed by ovary wall in gymnosperms

Description : Read the following statements (A - E) and answer the question which follows them. (A) In liverworts, mosses and ferns gametophytes are free-living. (B) Gymnosperms and some ferns are heterosporous. (C) Sexual ... How many of the above statements are correct? (a) Three (b) Four (c) One (d) Two

Last Answer : (a) Three

Description : Can one store their blood with a hospital in case you need a transfusion?

Last Answer : I have heard of people banking a bit of their own blood,when they are due to have surgery,but I don’t know how true that is,all you can do is ask your Doctor.

Description : Why is it possible to get a disease from a blood transfusion?

Last Answer : answer:Bloodborne infections Blood banks screen donors for risk factors and test donated blood to reduce the risk of transfusion-related infections, but they occasionally still occur. It can take ... in 1 million transfusions. http://www.mayoclinic.com/health/blood-transfusion/MY01054/DSECTION=risks

Description : Between which set of blood groups, is the blood transfusion possible? -Do You Know?

Last Answer : answer:

Description : What is Blood Transfusion English ?

Last Answer : English Blood transfusion.

Last Answer : AIDS (Acquired Immuno Deficiency Syndrome) The bacterium is called HIV (Human Immuno Deficiency Virus). People living with HIV can stay healthy for many days. Due to the gradual loss of immunity in the body of ... virus enters the body, there is a flu-like fever , headache , and a slight body ache.

Description : Assertion `:-` Rh factor is considered in blood transfusion. Reason `:-` Rh antigen may leads agglutination of blood.

Last Answer : Assertion `:-` Rh factor is considered in blood transfusion. Reason `:-` Rh antigen may leads ... . D. If both Assertion & Reason are false.