The porous wood of angiosperms is called as

The porous wood of angiosperms is called as
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The porous wood of angiosperms is called as – Hard wood 
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Related questions

Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes

Description : Sporocarp is a reproductive structure of (a) Some algae (b) Some aquatic ferns (c) Angiosperms having spores (d) Bryophytes

Last Answer : Ans. ((b))

Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

Description : Double fertilization is found in: (a) Bryophytes (b) Angiosperms (c) Gymnosperms (d) Pteridophytes

Last Answer : Ans. ((b))

In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Description : In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Last Answer : Ans. ((d))

How do angiosperms differ from gymnosperms?

Description : How do angiosperms differ from gymnosperms?

Last Answer : First, the seeds of the angiosperms, a more recently evolved and highly successful division of the tracheophytes, are enclosed within a protective chamber, the ovary. A ripened ovary containing ... support. In conifers, the single xylem elements, the tracheids, represent a more primitive condition 

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

Double fertilization in Angiosperms was discovered by

Description : Double fertilization in Angiosperms was discovered by 

Last Answer : Double fertilization in Angiosperms was discovered by – Nawaschin

In Angiosperms, during pollination, the pollen grains are mostly

Description : In Angiosperms, during pollination, the pollen grains are mostly

Last Answer : In Angiosperms, during pollination, the pollen grains are mostly – Bicellular

The most common type of embryosac in Angiosperms is

Description : The most common type of embryosac in Angiosperms is

Last Answer : The most common type of embryosac in Angiosperms is – Polygonum type

Pollen grains of angiosperms are

Description : Pollen grains of angiosperms are

Last Answer : Pollen grains of angiosperms are – Partially developed male gametophyte

Male gametophyte in angiosperms consists of

Description : Male gametophyte in angiosperms consists of

Last Answer : Male gametophyte in angiosperms consists of – Pollen grains, pollen tube, tube nucleus and two male nuclei.

The Apical shoot meristem of Angiosperms consists of

Description : The Apical shoot meristem of Angiosperms consists of

Last Answer : The Apical shoot meristem of Angiosperms consists of – Tunica, Carpus and leaf primordium

Describe double fertilization in angiosperms.

Description : Describe double fertilization in angiosperms.

Last Answer : Ans: Occurrence of two types of fertilizations in the same embryosac is called as double fertilization. It was discovered by Nawaschin in Fritillaria and Lilium. It is a feature of angiosperms. ... . It was discovered by Nawaschin in Fritillaria and Lilium. PEN develops into endosperm. 

Durable part of the wood is called as

Description : Durable part of the wood is called as

Last Answer : Durable part of the wood is called as – Heartwood

Wood without xylem vessels are called as

Description : Wood without xylem vessels are called as

Last Answer : Wood without xylem vessels are called as – Soft wood

Which of the following is not a characteristic of coniferales........ a)pycnoxylic wood b)motile male gametes c)presence of resin canal d) fertilization siphonogamous

Description : Which of the following is not a characteristic of coniferales........ a)pycnoxylic wood b)motile male gametes c)presence of resin canal d) fertilization siphonogamous

Last Answer : b)motile male gametes

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

Soft wood is found in

Description : Soft wood is found in

Last Answer : Soft wood is found in – Gymnospersms

How do spring wood and autumn wood differ from one another.

Description : How do spring wood and autumn wood differ from one another. 

Last Answer : Ans: Spirng wood has more broad, thin walled tracheary elements and extensive and autumn wood has few, narrow and thick walled tracheary elements in a given annual ring.  

Explain the terms wood and Bast.

Description : Explain the terms wood and Bast. 

Last Answer : Ans: Wood is secondary xylem and Bast is secondary phloem formed from vascular cambium.  

Out of diffuse porous and ring porous woods, which is correct? (a) Ring porous wood carries more water for short period. (b) Diffuse porous wood carries more water. (c) Ring porous wood carries more water when need is higher. (d) Diffuse porous wood is less specialised but conducts water rapidly throughout.

Description : Out of diffuse porous and ring porous woods, which is correct? (a) Ring porous wood carries more water for short period. (b) Diffuse porous wood carries more water. (c) Ring porous wood ... when need is higher. (d) Diffuse porous wood is less specialised but conducts water rapidly throughout.

Last Answer : (c) Ring porous wood carries more water when need is higher.

What is the upper part of the embryonic root called ?

Description : What is the upper part of the embryonic root called ?

Last Answer : The upper part of the embryonic root is called the hypocotyl.

Why Insects Are Called A Means Of Pollination ?

Description : Why Insects Are Called A Means Of Pollination ?

Last Answer : A means of insect pollination. Insects swarm around to eat honey or attract beautiful colors. At this time the pollen sticks to the carrier. Whenever this carrier sits on another flower of the same species ... to the head of the next flower. This is why insects are called the medium of pollination.

Why is Chupri potato called Bulbil ?

Description : Why is Chupri potato called Bulbil ?

Last Answer : The desired buds of chupari potato do not grow properly but take the shape of a lump and after a while fall from the tree and fall to the ground and give birth to new tree. That is why chupari potato is called bulbil.

Why is polythene called impenetrable curtain ?

Description : Why is polythene called impenetrable curtain ?

Last Answer : The membrane through which the molecules of both solvent and solvent cannot move is called impermeable membrane. Both solvents and solvent molecules cannot move through polythene. That is why polythene is called impermeable screen.

Why is sweating called Necessary evil ?

Description : Why is sweating called Necessary evil ?

Last Answer : Perspiration is an inevitable process in plant life. As a result of perspiration, a lot of water evaporates from the body of the plant. It can also cause plant death. Therefore, perspiration seems to ... process in the life of plants. This is why perspiration is called a Necessary evil for plants .

Which of the following is called a brainstem ?

Description : Which of the following is called a brainstem ?

Last Answer : The medulla is called the bota of the brain.

Where is the hormone called florigen produced ?

Description : Where is the hormone called florigen produced ?

Last Answer : A hormone called florigen is produced in the leaves.

What is salt solution called ?

Description : What is salt solution called ?

Last Answer : Salt solution is called saline , salty , salty etc.

What is the upper part of the embryo called ?

Description : What is the upper part of the embryo called ?

Last Answer : : It is called epicotyl.

What is the lower part of the embryo called ?

Description : What is the lower part of the embryo called ?

Last Answer : The lower part of the embryonic stem is called epicotyle.

A mature ligule, having prominent basal portion, is called: (a) Glossopodium (b) Rhizhore (c) Trichome (d) None of these

Description : A mature ligule, having prominent basal portion, is called: (a) Glossopodium (b) Rhizhore (c) Trichome (d) None of these

Last Answer : Ans. ((a))

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))

In moss, the middle sterile part of capsule is called: (a) Foot (b) Protonema (c) Columella (d) Spore sac

Description : In moss, the middle sterile part of capsule is called: (a) Foot (b) Protonema (c) Columella (d) Spore sac

Last Answer : Ans. ((c))

The study of interelationship between species and its environment of a forest is called: (a) Autecology (b) Syneocology (c) Forest ecology (d) Co-operation

Description : The study of interelationship between species and its environment of a forest is called: (a) Autecology (b) Syneocology (c) Forest ecology (d) Co-operation

Last Answer : Ans. ((a))

Development of saprophyte from gametophyte, is called (a) Apomixis (b) Apospory (c) Apogamy (d) Dip1ospory

Description : Development of saprophyte from gametophyte, is called (a) Apomixis (b) Apospory (c) Apogamy (d) Dip1ospory

Last Answer : Ans. ((c))

A substance unrelated to substrate but capable of reversibly changing activity of enzyme by binding to a site other than active site is called (a) Competitive inhibitor (b) Non-competitive inhibitor (c) Catalytic inhibitor (d) Allosteric modulator/inhibitor

Description : A substance unrelated to substrate but capable of reversibly changing activity of enzyme by binding to a site other than active site is called (a) Competitive inhibitor (b) Non-competitive inhibitor (c) Catalytic inhibitor (d) Allosteric modulator/inhibitor

Last Answer : Ans. ((d))

A chain of amino acids joined by peptide bonds is called as (a) Peptide chain (b) Polypeptide chain (c) Polyamino acid chain (d) Nucleotide chain

Description : A chain of amino acids joined by peptide bonds is called as (a) Peptide chain (b) Polypeptide chain (c) Polyamino acid chain (d) Nucleotide chain

Last Answer : Ans. ((b))

If a sporangium derived from a single cell is called (a) Leptosporangiate (b) Eusporangiate (c) Heterosporangiate (d) None of the above

Description : If a sporangium derived from a single cell is called (a) Leptosporangiate (b) Eusporangiate (c) Heterosporangiate (d) None of the above

Last Answer : Ans. ((a))

In bryoph4tes the female sex organ is called: (a) Archegonium (b) Antheridium (c) Carpogonium (d) Ascogonium

Description : In bryoph4tes the female sex organ is called: (a) Archegonium (b) Antheridium (c) Carpogonium (d) Ascogonium

Last Answer : Ans. ((a))

Formation of diploid embryosac from diploid vegetative structure, e.g., nucellus or integument etc., without meiosis is called: (a) Apospory (b) Apomixis (c) Diplospory (d) Adventives polyembryony

Description : Formation of diploid embryosac from diploid vegetative structure, e.g., nucellus or integument etc., without meiosis is called: (a) Apospory (b) Apomixis (c) Diplospory (d) Adventives polyembryony

Last Answer : Ans. ((a))

Root of L.oldhamia is called as…. a) Sphenopteris hoeninghausii b)Kaloxylon hookeri c)Lagenostoma lomaxii d)Rachiopteris aspera

Description : Root of L.oldhamia is called as…. a) Sphenopteris hoeninghausii b)Kaloxylon hookeri c)Lagenostoma lomaxii d)Rachiopteris aspera

Last Answer : b)Kaloxylon hookeri

The study of past geological plant life is done in branch called as ….. a)Botany b)Paleobotany c)History d)Anthropology

Description : The study of past geological plant life is done in branch called as ….. a)Botany b)Paleobotany c)History d)Anthropology

Last Answer : b)Paleobotany

Treatment of the hazardous substances in the environment with the help of living organisms is called as a. Bioremediation b. Waste management c. Waste control d. Biodegradation

Description : Treatment of the hazardous substances in the environment with the help of living organisms is called as a. Bioremediation b. Waste management c. Waste control d. Biodegradation

Last Answer : a. Bioremediation

ATP is called a. A nucleoside b. Physiological currency c. An amino acid d. Polynucleotide

Description : ATP is called a. A nucleoside b. Physiological currency c. An amino acid d. Polynucleotide

Last Answer : b. Physiological currency

Who is called father of plant physiology? a. K.M.Thimann b. Stephen Hales c. M. Calvin d.E. Robinowich

Description : Who is called father of plant physiology? a. K.M.Thimann b. Stephen Hales c. M. Calvin d.E. Robinowich

Last Answer : b. Stephen Hales

Presence of two layers of phloem, one above xylem and another below xylem is called as

Description : Presence of two layers of phloem, one above xylem and another below xylem is called as

Last Answer : Presence of two layers of phloem, one above xylem and another below xylem is called as – Bicollateral arrangement

The process involving emasculation of the flower before anthesis and depositing pollen grains on the cut end of the ovary is called as

Description : The process involving emasculation of the flower before anthesis and depositing pollen grains on the cut end of the ovary is called as

Last Answer : The process involving emasculation of the flower before anthesis and depositing pollen grains on the cut end of the ovary is called as – Intra-ovarian pollination

When the embryo develops from haploid egg cell without fertilization, the phenomenon is called as

Description : When the embryo develops from haploid egg cell without fertilization, the phenomenon is called as

Last Answer : When the embryo develops from haploid egg cell without fertilization, the phenomenon is called as – Haploid parthenogenesis

When a diploid embryosac is formed from a megaspore mother cell without meiosis, it is called as

Description : When a diploid embryosac is formed from a megaspore mother cell without meiosis, it is called as

Last Answer : When a diploid embryosac is formed from a megaspore mother cell without meiosis, it is called as – Diplospory

When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as

Description : When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as

Last Answer : When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as – Adventive embryony