Cycadeoidea is also known as…. a)Lyginopteris b)Bennettites c) Pinus d)Gnetum

Cycadeoidea is also known as….
a)Lyginopteris b)Bennettites c) Pinus d)Gnetum
by

1 Answer

Answer :

b)Bennettites
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Related questions

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 apical meristem (c) Absence of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

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

In spite of several angiospermic features Gnetum is a gymnosperm because…. a) polyembryony is a common features b) prothallial cell is present in the male gametophyte c) seed is naked d) stem exhibit anomalous secondary growth

Description : In spite of several angiospermic features Gnetum is a gymnosperm because…. a) polyembryony is a common features b) prothallial cell is present in the male gametophyte c) seed is naked d) stem exhibit anomalous secondary growth

Last Answer : c) seed is naked

Female gametophyte of Gnetum follows the developmental pattern of ..... a) tetrasporic type b) bisporic type c) monosporic type d) none of the above.

Description : Female gametophyte of Gnetum follows the developmental pattern of ..... a) tetrasporic type b) bisporic type c) monosporic type d) none of the above.

Last Answer : a) tetrasporic type

Gnetum, when not in flowering can be easily mistaken for a .............. a) tree fern b) dicot plant c) monocot plant d) thalloid plant

Description : Gnetum, when not in flowering can be easily mistaken for a .............. a) tree fern b) dicot plant c) monocot plant d) thalloid plant

Last Answer : b) dicot plant

The fused bracts in the male flowers of Gnetum are comparable to ....... a) leaves of angiosperms b) bracteoles of angiosperms c) bracts of angiosperms d) perianth of angiosperms

Description : The fused bracts in the male flowers of Gnetum are comparable to ....... a) leaves of angiosperms b) bracteoles of angiosperms c) bracts of angiosperms d) perianth of angiosperms

Last Answer : b) bracteoles of angiosperms

The abortive female flower in the male cone of Gnetum can be distinguished from the normal ovules of the female cone apart from its function by the presence of …. a) no envelops b) single envelope c) two envelopes d) several envelops.

Description : The abortive female flower in the male cone of Gnetum can be distinguished from the normal ovules of the female cone apart from its function by the presence of …. a) no envelops b) single envelope c) two envelopes d) several envelops.

Last Answer : b) single envelope

Which of the following species of Pinus is commonly known as chir pine ......... a) P. roxburghii b) P. wallichiana c) P. insularis d) P. gerardiana

Description : Which of the following species of Pinus is commonly known as chir pine ......... a) P. roxburghii b) P. wallichiana c) P. insularis d) P. gerardiana

Last Answer : a) P. roxburghii

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

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))

The species of Pinus, seeds of which are edible is/ chilgoza comes from: (a) P. roxburghii (b) P. gerardiand (c) P. monophylla (d) P. sylvestris

Description : The species of Pinus, seeds of which are edible is/ chilgoza comes from: (a) P. roxburghii (b) P. gerardiand (c) P. monophylla (d) P. sylvestris

Last Answer : Ans. ((b))

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))

Rubber is commercially obtained from: (a) Euphorbia (b) Betula (c) Hibiscus (d) Pinus

Description : Rubber is commercially obtained from: (a) Euphorbia (b) Betula (c) Hibiscus (d) Pinus

Last Answer : Ans. ((a))

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

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))

The ovuliferous scale of Pinus is a part of ........... a) megasporophyll b) microsporophyll c) ovule d) dwarf shoot.

Description : The ovuliferous scale of Pinus is a part of ........... a) megasporophyll b) microsporophyll c) ovule d) dwarf shoot.

Last Answer : c) ovule

Which of the following species of Pinus has trifoliar spur…. a) P. sylvestris b) P. merkusii c) P. gerardiana ' d) P. wallichiana

Description : Which of the following species of Pinus has trifoliar spur…. a) P. sylvestris b) P. merkusii c) P. gerardiana ' d) P. wallichiana

Last Answer : c) P. gerardiana '

Which of the following species of Pinus is not found in India ............. a) Pinus merkusii b) P. gerardiana c) P. wallichiana d) P. maritima.

Description : Which of the following species of Pinus is not found in India ............. a) Pinus merkusii b) P. gerardiana c) P. wallichiana d) P. maritima.

Last Answer : d) P. maritima.

The resin duct in Pinus stem represents a................ a)large vacuole b)intercellular space c)lysigenous cavity d)schizogenous cavity.

Description : The resin duct in Pinus stem represents a................ a)large vacuole b)intercellular space c)lysigenous cavity d)schizogenous cavity.

Last Answer : d)schizogenous cavity.

In Pinus pollination is........... a)anemophilous b)hydrophilons c)zoophilons d)cheriopterous.

Description : In Pinus pollination is........... a)anemophilous b)hydrophilons c)zoophilons d)cheriopterous.

Last Answer : a)anemophilous

$ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also called hypnospores.

Description : $ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also called hypnospores.

Last Answer : $ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also ... wrong D. If both As and R are wrong.

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

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

Last Answer : (d) Cycas.

Formation of 8-nucleate embryosac by pollen grains is also called as

Description : Formation of 8-nucleate embryosac by pollen grains is also called as

Last Answer : Formation of 8-nucleate embryosac by pollen grains is also called as – Nemec phenomenon 

Classical taxonomy is also termed a) Beta taxonomy b) Systematic c) Descriptive taxonomy d) Experimental taxonomy

Description : Classical taxonomy is also termed a) Beta taxonomy b) Systematic c) Descriptive taxonomy d) Experimental taxonomy

Last Answer : a) Beta taxonomy

Chlorenchyma is known to develop in the (a) cytoplasm of Chlorella (b) mycelium of a green mould such as Aspergillus (c) spore capsule of a moss (d) pollen tube of Pinus.

Description : Chlorenchyma is known to develop in the (a) cytoplasm of Chlorella (b) mycelium of a green mould such as Aspergillus (c) spore capsule of a moss (d) pollen tube of Pinus.

Last Answer : (c) spore capsule of a moss

Chlorenchyma is known to develop in the (a) cytoplasm of Chlorella (b) mycelium of a green mould such as Aspergillus (c) spore capsule of a moss (d) pollen tube of Pinus.

Description : Chlorenchyma is known to develop in the (a) cytoplasm of Chlorella (b) mycelium of a green mould such as Aspergillus (c) spore capsule of a moss (d) pollen tube of Pinus.

Last Answer : (c) spore capsule of a moss

Which of the following is known as a urine factory ?

Description : Which of the following is known as a urine factory ?

Last Answer : It is called as a tree making factory.

The process through which the amount of DNA, RNA and protein can be known at a time is called (a) Autoradiography (b) Tissue culture (c) Cellular fractioning (d) Phase contrast microscopy

Description : The process through which the amount of DNA, RNA and protein can be known at a time is called (a) Autoradiography (b) Tissue culture (c) Cellular fractioning (d) Phase contrast microscopy

Last Answer : Ans. ((c))

The process by which the amount of DNA, RNA and protein can be known at a time is: (a) Cell fractionation (b) Autoradiography (c) Phase-contrast microscopy (d) Tissue culture

Description : The process by which the amount of DNA, RNA and protein can be known at a time is: (a) Cell fractionation (b) Autoradiography (c) Phase-contrast microscopy (d) Tissue culture

Last Answer : Ans. ((b))

Various fungi are known to accumulate considerable quantities of divalent metals, e.g. (a) Cd (b) Zn (d) All of these (c) Pb

Description : Various fungi are known to accumulate considerable quantities of divalent metals, e.g. (a) Cd (b) Zn (d) All of these (c) Pb

Last Answer : Ans. ((d))

A plant having two types of haploid structures in its life cycle is known as: (a) Haplobiontic (b) Diplobiontic (c) Haplontic (d) Diplontic

Description : A plant having two types of haploid structures in its life cycle is known as: (a) Haplobiontic (b) Diplobiontic (c) Haplontic (d) Diplontic

Last Answer : Ans. ((a))

Pmcess of water exudation through hydathodes is known as: (a) Guttation (b) Transpiration (c) Evaporation (d) Bleeding

Description : Pmcess of water exudation through hydathodes is known as: (a) Guttation (b) Transpiration (c) Evaporation (d) Bleeding

Last Answer : Ans. ((a))

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

The living cells having thickening at the corners due to deposition of pectin are known as

Description : The living cells having thickening at the corners due to deposition of pectin are known as

Last Answer : The living cells having thickening at the corners due to deposition of pectin are known as – Collenchyma cells.

When the diploid embryosac is formed from the cells of nucellus, it is known as

Description : When the diploid embryosac is formed from the cells of nucellus, it is known as

Last Answer : When the diploid embryosac is formed from the cells of nucellus, it is known as – Apospory

My pinus nigra is loosing a lot of interior needles. Is it sick

Description : My pinus nigra is loosing a lot of interior needles. Is it sick

Last Answer : Need Answer

Give the economic importance of Cycas and Pinus.

Description : Give the economic importance of Cycas and Pinus.

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

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

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

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

Give a detailed note on Pinus?

Description : Give a detailed note on Pinus? 

Last Answer : Habitat: - Pinus is found growing at an altitude of 5000-8000 feet. Structure: - i) It is sporophyte, evergreen and quite tall tree. ii) It consists of extensive root system and strong ... the plant. iv) When it matures the cones open and seeds are set free and dispersed. 

Which of the following tree is commonly used in the landscape of arid zone? a. Ficus benjamina b. Pethocelobium dulce c. Pinus longifolia d. Prosopis juliflora

Description : Which of the following tree is commonly used in the landscape of arid zone? a. Ficus benjamina b. Pethocelobium dulce c. Pinus longifolia d. Prosopis juliflora

Last Answer : Prosopis juliflora

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

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

Last Answer : (d) Pinus.

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

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

Last Answer : (a) Pinus

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

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

Last Answer : (c) Pinus

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

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

Last Answer : (b) maize

.Consider the following four statements whether they are correct or wrong. A. The sporophyte in liverworts is more elaborate than that in mosses. B. Salvinia is heterosporous. C. The life-cycle in all seed-bearing plants is diplontic. D. In Pinus, male and female cones are borne on different trees. The two wrong statements together are (a) A and C (b) A and D (c) B and C (d) A and B

Description : .Consider the following four statements whether they are correct or wrong. A. The sporophyte in liverworts is more elaborate than that in mosses. B. Salvinia is heterosporous. C. The life-cycle in all seed-bearing plants is diplontic ... are (a) A and C (b) A and D (c) B and C (d) A and B

Last Answer : (b) A and D

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

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

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

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

Last Answer : (b) Cycas

Which of the following plants produces seeds but not flowers? (a) Maize (b) Mint (c) Peepal (d) Pinus

Description : Which of the following plants produces seeds but not flowers? (a) Maize (b) Mint (c) Peepal (d) Pinus

Last Answer : (d) Pinus

.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

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

.Male and female gametophytes are independent and free-living in (a) mustard (b) castor (c) Pinus (d) Sphagnum.

Description : .Male and female gametophytes are independent and free-living in (a) mustard (b) castor (c) Pinus (d) Sphagnum.

Last Answer : (d) Sphagnum.

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

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

Last Answer : (b) haploid

n Pinus/gymnosperms, the haploid structure are (a) megaspore, endosperm and embryo (b) megaspore, pollen grain and endosperm (c) megaspore, integument and root (d) pollen grain, leaf and root.

Description : n Pinus/gymnosperms, the haploid structure are (a) megaspore, endosperm and embryo (b) megaspore, pollen grain and endosperm (c) megaspore, integument and root (d) pollen grain, leaf and root.

Last Answer : (b) megaspore, pollen grain and endosperm

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

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

Last Answer : (c) Chlamydomonas