Nucellar polyembryony is reported in species of (a) Citrus (b) Gossypium (c) Triticum (d) Brassica.

Nucellar polyembryony is reported in species of
(a) Citrus (b) Gossypium
(c) Triticum (d) Brassica.
by

1 Answer

Answer :

(a) Citrus
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Related questions

Nucellar polyembryony is reported in species of:a) Citrusb) Gossypiumc) Triticumd) Brassica

Description : Nucellar polyembryony is reported in species of:a) Citrusb) Gossypiumc) Triticumd) Brassica

Last Answer : a) Citrus

Which one of the following generates new genetic combinations leading to variation? (a) Vegetative reproduction (b) Parthenogenesis (c) Sexual reproduction (d) Nucellar polyembryony

Description : Which one of the following generates new genetic combinations leading to variation? (a) Vegetative reproduction (b) Parthenogenesis (c) Sexual reproduction (d) Nucellar polyembryony

Last Answer : (c) Sexual reproduction

The best example of Polyembryony is (1) Cocoa (2) Capsicum (3) Citrus (4) Cycas

Description : The best example of Polyembryony is (1) Cocoa (2) Capsicum (3) Citrus (4) Cycas

Last Answer : (3) Citrus Explanation: In citrus fruits such as oranges, the nuclear cells that surround the embryo start dividing and protrude into the embryo sac. These develop into embryos; thus resulting in the presence of more than one embryo inside each ovule. This condition is known as polyembryony.

The polyembryony commonly occurs in (a) tomato (b) potato (c) Citrus (d) turmeric.

Description : The polyembryony commonly occurs in (a) tomato (b) potato (c) Citrus (d) turmeric.

Last Answer : (c) Citrus

The best example of Polyembryony is (1) Cocoa (2) Capsicum (3) Citrus (4) Cycas

Description : The best example of Polyembryony is (1) Cocoa (2) Capsicum (3) Citrus (4) Cycas 

Last Answer : Citrus

Free central placentation is found in (a) Dianthus (b) Argemone (c) Brassica (d) Citrus.

Description : Free central placentation is found in (a) Dianthus (b) Argemone (c) Brassica (d) Citrus.

Last Answer : (a) Dianthus

In India maximum area under wheat is occupied by the Species? (A)Triticum aestivum (B) Triticum dicoccum (C) Triticum durum (D) Triticum vulgare

Description : In India maximum area under wheat is occupied by the Species? (A)Triticum aestivum (B) Triticum dicoccum (C) Triticum durum (D) Triticum vulgare

Last Answer : (A)Triticum aestivum

Apomictic seedlings are also called as: a. Nucellar seedlings b. Sexual seedlings c. Embryonic seedlings d. None

Description : Apomictic seedlings are also called as: a. Nucellar seedlings b. Sexual seedlings c. Embryonic seedlings d. None

Last Answer : Nucellar seedling

.Nucellar embryo is (a) amphimictic haploid(b) amphimictic diploid (c) apomictic haploid (d) apomictic diploid.

Description : .Nucellar embryo is (a) amphimictic haploid(b) amphimictic diploid (c) apomictic haploid (d) apomictic diploid.

Last Answer : ) apomictic diploid.

Filiform apparatus is characteristic feature of (a) aleurone cell (b) synergids (c) generative cell (d) nucellar embryo.

Description : Filiform apparatus is characteristic feature of (a) aleurone cell (b) synergids (c) generative cell (d) nucellar embryo.

Last Answer : (b) synergids

Polyploidy level in endosperm of Triticum aestivum

Description : Polyploidy level in endosperm of Triticum aestivum

Last Answer : Ans. 63

Haploid no. of Triticum aestivum

Description : Haploid no. of Triticum aestivum

Last Answer : Ans. n = 21

The centre of origin of Triticum aestivum is (A)Chilean centre (B) South Mexican centre (C) Mediterranean centre (D) Near eastern region

Description : The centre of origin of Triticum aestivum is (A)Chilean centre (B) South Mexican centre (C) Mediterranean centre (D) Near eastern region

Last Answer : (C) Mediterranean centre

Triticum aestivum is a (A) Border irrigation (B) Check basin irrigation (A) Hexaploid (B) Diploid (C) Tetraploid (D) Euploid

Description : Triticum aestivum is a (A) Border irrigation (B) Check basin irrigation (A) Hexaploid (B) Diploid (C) Tetraploid (D) Euploid

Last Answer : (A) Hexaploid

What is the scientific name of wheat? a. Zea mays b. Solanum melongana c. Sorghum vulgare d. Triticum e. None of these

Description : What is the scientific name of wheat? a. Zea mays b. Solanum melongana c. Sorghum vulgare d. Triticum e. None of these

Last Answer : c. Sorghum vulgare

Triticum aestivum, the common bread wheat is – a) Tetraploid b) Hexaploid c) Haploid d) Diploid

Description : Triticum aestivum, the common bread wheat is – a) Tetraploid b) Hexaploid c) Haploid d) Diploid

Last Answer : b) Hexaploid

.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

Which species of citrus produces seedless fruits?

Description : Which species of citrus produces seedless fruits?

Last Answer : Ans. Tahiti lime

Polyembryonic species of citrus

Description : Polyembryonic species of citrus

Last Answer : Ans. Acid lime

Monoembryonic species of citrus

Description : Monoembryonic species of citrus

Last Answer : Ans. Pumelo

Thornless species of citrus

Description : Thornless species of citrus

Last Answer : Ans. Tahiti lime (C. latifolia)

Which citrus species is known as Fancy fruit?

Description : Which citrus species is known as Fancy fruit?

Last Answer : Ans. C. reticulate

Out of 900 reported species of living gym- nosperms; conifers are represented by about 500 species; About 2;50;000 species of an- giosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe; Asia; North America and mountains such as Himalayas are wooded with?

Description : Out of 900 reported species of living gym- nosperms; conifers are represented by about 500 species; About 2;50;000 species of an- giosperms (flowering plants) have also been reported in the ... and dominant woodlands in Europe; Asia; North America and mountains such as Himalayas are wooded with?

Last Answer : only conifers

Following species of citrus can be propagated through layering. a. Sweet orange b. Sweet lime c. Kaghzi lime d. None of above

Description : Following species of citrus can be propagated through layering. a. Sweet orange b. Sweet lime c. Kaghzi lime d. None of above

Last Answer : Kaghzi lime

Following species of citrus can be propagated through cutting. a. Sweet orange b. Sweet lime c. Kaghzi lime d. Non of above

Description : Following species of citrus can be propagated through cutting. a. Sweet orange b. Sweet lime c. Kaghzi lime d. Non of above

Last Answer : Sweet lime

Hodgson divided genus citrus into: a. 16 species b. 26 species c. 36 species d. More than 36 species

Description : Hodgson divided genus citrus into: a. 16 species b. 26 species c. 36 species d. More than 36 species

Last Answer : 36 species

Which of the following statements is not correct? (a) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil. (b) Some reptiles have also been reported as pollinators in some plant species. (c) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style. (d) Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Description : Which of the following statements is not correct? (a) Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil. (b) ... Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Last Answer : (c) Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.

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))

What is polyembryony ?

Description : What is polyembryony ?

Last Answer : Polyembryony is the phenomenon in which a single embryo in its initial embryonic stage divides itself forming many new individuals of the same sex and genetically identical. This is the way, for ... place in armadillos of the genus Dasypus. Polyembryony is an example of natural cloning .

Nuceller seedlings are also called as: a. Monoembryony b. Zygotic seedling c. Polyembryony d. None of them

Description : Nuceller seedlings are also called as: a. Monoembryony b. Zygotic seedling c. Polyembryony d. None of them

Last Answer : Polyembryony

The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy

Description : The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy

Last Answer : Parthenocarpy

Polyembryony means a. One embryo b. Two embryo c. More than two embryo d. More than three embryo

Description : Polyembryony means a. One embryo b. Two embryo c. More than two embryo d. More than three embryo

Last Answer : More than three embryo

Development of an organism from female gamete/ egg without involving fertilization is (a) adventitive embryony (b) polyembryony (c) parthenocarpy (d) parthenogenesis.

Description : Development of an organism from female gamete/ egg without involving fertilization is (a) adventitive embryony (b) polyembryony (c) parthenocarpy (d) parthenogenesis.

Last Answer : (d) parthenogenesis.

Occurrence of more than one embryo in a seed is known as: a) Polyembryony b) parthenocarpy c) Apomixis d) Embryogeny

Description : Occurrence of more than one embryo in a seed is known as: a) Polyembryony b) parthenocarpy c) Apomixis d) Embryogeny

Last Answer : Ans: a) Polyembryony

The transfer of pollen grains from anther to stigma is called; a) Fertilization b) pollination c) Microsporogenesis d) Polyembryony

Description : The transfer of pollen grains from anther to stigma is called; a) Fertilization b) pollination c) Microsporogenesis d) Polyembryony

Last Answer : Ans. b) Pollination

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

The seeds of Pinus plant show a. Polyembryony b. One embryo c. No embryo d. Redundant embryo

Description : The seeds of Pinus plant show a. Polyembryony b. One embryo c. No embryo d. Redundant embryo

Last Answer : a. Polyembryony

The chemicals which induce artificial polyembryony are

Description : The chemicals which induce artificial polyembryony are

Last Answer : The chemicals which induce artificial polyembryony are – 2,4 D; 2,4,5, T, and NAA

When polyembryony is due to activation of some sporophytic cells of ovule, it is called as

Description : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as

Last Answer : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as – Adventive polyembryony

What is the importance of the Brassica rapa plant in Canada?

Description : What is the importance of the Brassica rapa plant in Canada?

Last Answer : Need Answer

A codon specifies the same amino acid in Brassica and homo because codons are

Description : A codon specifies the same amino acid in Brassica and homo because codons are

Last Answer : A codon specifies the same amino acid in Brassica and homo because codons are A. Non-overlapping B. Commaless C. Universal D. Nonambiguous

Gingerly oil (till) is got from: (a) Linus usitatissimum (b) Cocos nucifera (c) Sesamum indicum (d) Brassica rapa

Description : Gingerly oil (till) is got from: (a) Linus usitatissimum (b) Cocos nucifera (c) Sesamum indicum (d) Brassica rapa

Last Answer : Ans. ((c))

Brassica juncia was evolved from

Description : Brassica juncia was evolved from

Last Answer : Ans. B. compestris x B. nigra

Brassica nigra was evolved from

Description : Brassica nigra was evolved from

Last Answer : Ans. B. compestris x B. oleracia

which of these plants open its mouth when insect sit on its lid? A. Sunflower B. Pitcher plant (Answer) C. Brassica Plant D. None of these

Description : which of these plants open its mouth when insect sit on its lid? A. Sunflower B. Pitcher plant (Answer) C. Brassica Plant D. None of these

Last Answer : B. Pitcher plant (Answer)

Describe the various parts of Brassica Campestris?

Description : Describe the various parts of Brassica Campestris?  

Last Answer : Flower is reproductive part of plant. It has following parts: - Calyx: - This is the outermost whorl. It consists of four free sepals. They are green in colour. With the passage of ... less swollen part is called stigma. In ovary many ovules are present which ripens into seeds. 

Give internal Structure of root of Brassica Campestris?

Description : Give internal Structure of root of Brassica Campestris?

Last Answer : A) Morphology: - It is an underground part of plant. It arises from radical of seed. It has following types: - i) The root which arises from radical of seed is called primary root. ... iii) Phloem is present in bundles and its function is the transportation of food in different parts of plant. 

Which one of the following is an example of carrying out biological control of pests/diseases using microbes? (a) Trichoderma sp. against certain plant pathogens. (b) Nucleopolyhedrovirus against white rust in Brassica. (c) Bt-cotton to increase cotton yield. (d) Lady bird beetle against aphids in mustard.

Description : Which one of the following is an example of carrying out biological control of pests/diseases using microbes? (a) Trichoderma sp. against certain plant pathogens. (b) Nucleopolyhedrovirus against white rust ... c) Bt-cotton to increase cotton yield. (d) Lady bird beetle against aphids in mustard.

Last Answer : (a) Trichoderma sp. against certain plant pathogens.

is the floral formula of (a) Petunia (b) Brassica (c) Allium (d) Sesbania.

Description : is the floral formula of (a) Petunia (b) Brassica (c) Allium (d) Sesbania.

Last Answer : (a) Petunia

Radial symmetry is found in the flowers of (a) Brassica (b) Trifolium (c) Pisum (d) Cassia.

Description : Radial symmetry is found in the flowers of (a) Brassica (b) Trifolium (c) Pisum (d) Cassia.

Last Answer : (a) Brassica