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
Description : 82. Closed vascular bundles lack (1) Pith (2) Ground tissue (3) Conjunctive tissue (4) Cambium
Last Answer : Cambium
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
Description : Differentiate between fascicular cambium and interfascicular cambium.
Last Answer : Ans: Cambium present between xylem and Phloem of primary dicot stem bundles is called as fascicular cambium and the cambium dedifferentiated from medullary rays region present between ... as interfascicular cambium. Fascicualr cambium is primary meristem and interfascicular is secondary meristem.
Description : How do I prune my Dracaena marginata?
Last Answer : Need Answer
Description : how do I know when to transplant my dracaena
Description : why yellow leaves and burn marks on dracaena
Description : how to prune a dracaena
Description : The leaves in my indoor dracaena plant are turning yellow. Why?
Last Answer : Nina, without seeing the plant I can just mention a few things I have found with my own plants here. Most of them do shed off the bottom leaves as they grow however if all of the leaves are ... . If the tips are brown that indicates to much drying out. Hope you find some answers in this Bonniejo
Description : what to do with dracaena that tips are browning
Last Answer : Browned tips are very common in house plants. It's due to the salts in the tap water. It's hard to avoid unless you are willing to use filtered water. You can trim the brown portion off with a pair of scissors.
Description : Best growing conditions for a Lemon Lime Dracaena?
Description : What can you tell me about care of Dracaena plant?
Description : how to care for a Corn Stalk Dracaena
Description : Abnormal/anomalous secondary growth occurs in (a) Dracaena (b) ginger (c) wheat (d) sunflower.
Last Answer : (a) Dracaena
Description : What is the law of evaporation of water from plant cells ?
Last Answer : Perspiration is the process by which water evaporates from a plant cell.
Description : What are the totiptent stem cells of plants ?
Last Answer : : Totiptent stem is the type of cell from which it is possible to produce plant seedlings directly.
Description : How many types of cells ?
Last Answer : There are two main types of cells based on the type of nucleus. Namely: (1) stem cell. (2) The actual cell.
Description : Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus
Last Answer : Ans. ((a))
Description : With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae
Description : Nucleotide found free in the cells is: (a) CAMP (b) AMP (c) ADP (d) ATP
Last Answer : Ans. ((d))
Description : Retort cells are found in: (a) Funaria (b) Pogonatum (c) Sphagnum (d) Porella
Last Answer : Ans. ((c))
Description : Abscission layer developed during leaf fall is made of: (a) Cork cells (b) Sclerenchymatous cells (c) Sclerenchymatous cells (d) Parenchymatous cells
Description : The specific characters of C4 plant is: (a) Bulliform cells (b) Kranz anatomy (c) Parallel venation (d) Isobilateral leaf
Last Answer : Ans. ((b))
Description : Haploid cells belong to: (a) Integument, pollen grain, endosperm (b) Embryo, endosperm and pollen grain (c) Megaspore, pollen grain, antipodal (d) Integument, pollen grain and antipodal
Description : Golgi apparatus is absent in (a) Higher plants (b) Yeast (c) Bacteria and blue-green algae (d) Liver cells
Description : Rod-shaped elongated thick-walled lignified dead cells found in seed coat of pulses (Legumes) are (a) Macrosciereids (b) Astrosclereids (c) Brachysclereids (d) Osteosclereids
Description : Tyloses are: (a) Lactiferous channels (b) Secretory cells (c) Sieve plates (d) Tracheal plugs plugging the lumen of vessels and tracheids
Description : In the secondary culture, cells are obtained from a. primary culture b. the organism c. organ culture d. phenotypic culture
Last Answer : a. primary culture
Description : Callus is a. Tissue that forms embryo b. An insoluble carbohydrate c. Tissue that grows to form embryoid d. Unorganized actively dividing mass of cells maintained in cultured
Last Answer : d. Unorganized actively dividing mass of cells maintained in cultured
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.
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
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
Description : Cells of aleurone layer function for
Last Answer : Cells of aleurone layer function for – hydrolyzing the food material of seeds
Description : In cereals, the layer containing specialized cells filled with starch are called
Last Answer : In cereals, the layer containing specialized cells filled with starch are called – Aleuron layer
Description : Whent the subsidiary or neighboring cells have a common origin with the guard cells such type of stomata ontogeny is called as –
Last Answer : Whent the subsidiary or neighboring cells have a common origin with the guard cells such type of stomata ontogeny is called as – Mesogenous development
Description : In roots, mitotically and metabolically inactive cells that are positioned just behind the root cap are called as
Last Answer : In roots, mitotically and metabolically inactive cells that are positioned just behind the root cap are called as – Quiescent center
Description : Differentiate laticiferous vessels and cells.
Last Answer : Ans: laticiferous cell is smaller, less efficient and coenocyte. Laticiferous vessel is formed by the union of latex cells. It is more efficient and called as syncytium.
Description : What are bulliform cells? What is their role?
Last Answer : Ans: Specialised larger epidermal cells seen in the upper epidermis of grass leaves which store water are called as bulliform cells or motor cells. They help in rolling and unrolling of lamina.
Description : What are the cells found in the egg apparatus of matured embryosac?
Last Answer : Ans: Two synergids and one egg cell
Description : Who discovered living cells? Name the first discovered living organism
Last Answer : Ans: Leeuwenhoek, Bacteria
Description : Inter fascicular cambium develops from the cells -Biology
Last Answer : answer:
Description : Inter-fascicular cambium is formed from the cells of
Last Answer : Inter-fascicular cambium is formed from the cells of A. Cortex B. Pith C. Pericycle D. Medullary rays
Description : Read the following four statements (A - D). (A) Both photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane. (B) In dicot stems, a new cambium ... Petunia are polyandrous. (D) Symbiotic nitrogen fixers occur in free-living state also in soil.
Last Answer : (A) Both photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane.
Description : Interfascicular cambium develops from the cells of (a) endodermis (b) pericycle (c) medullary rays (d) xylem parenchyma.
Last Answer : (c) medullary rays
Description : A narrow layer of thin walled cells found between phloem/bark and wood of a dicot is (a) cork cambium (b) vascular cambium (c) endodermis (d) pericycle.
Last Answer : (b) vascular cambium
Description : The only plant cells without nuclei among the following are : (1) Cambium cells (2) Root hairs (3) Companion cells (4) Tracheid cells
Last Answer : Cambium cells
Description : Who proposed that cells always arises from pre-existing cells?
Last Answer : Rudolf Virchow
Description : The thyroid gland: a. secretes clacitonin b. arises from the base of the pharynx c. contains about 100,000 follicles d. has follicles lines a single layer of cells
Last Answer : has follicles lines a single layer of cells
Description : How do you care for an orchid?
Last Answer : I have two, and they require almost no care except water. It is the time of year they shed their blossoms so don’t worry. In the spring they will come right back.
Description : Where's can I buy one of those new "Jumbo" Venus Flytrap's?
Last Answer : You can buy them at The Little Shop of Horrors.