What are the various types of adhesion of stamens? -Biology

What are the various types of adhesion of stamens? -Biology
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Describe adhesion of stamens

Description : Describe adhesion of stamens 

Last Answer : Ans: Fusion of stamens with other floral parts like sepals, petals, stamens and carpels is called as adhesion. It is of the following types. I. Epipetalous: Stamens are fused with the petals ... lobes. Ex: Asparagus IV. Gynostegium: Stamens fused with the stigma of gynoecium. Ex: Calotropis

What are the different types of cohesion of stamens? -Biology

Description : What are the different types of cohesion of stamens? -Biology

Last Answer : Cohesion of stamen : Usually following types of cohesion among stamens occur.

In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation. -Biology

Description : In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation. -Biology

Last Answer : Answer. Removal of stamens of a bisexual flower will not affect pollination of its intact pistil and formation of fruit. Cross-pollination has occurred leading to fertilisation.

What are monadelphous stamens? -Biology

Description : What are monadelphous stamens? -Biology

Last Answer : answer:

What are examples of polyandrous stamens? -Biology

Description : What are examples of polyandrous stamens? -Biology

Last Answer : answer:

What are examples of polyandrous stamens? -Biology

Description : What are examples of polyandrous stamens? -Biology

Last Answer : answer:

What is stamens ?

Description : What is stamens ?

Last Answer : : Each part of the stem is called stamen.

Stamens of Jowar are

Description : Stamens of Jowar are

Last Answer : Stamens of Jowar are A. Dorsifixed B. Versatile C. Basifixed D. Adnate

$ Diadelphous has two groups of epipetalous stamens. ! Dichogamy refers to unisexual flowers.

Description : $ Diadelphous has two groups of epipetalous stamens. ! Dichogamy refers to unisexual flowers.

Last Answer : $ Diadelphous has two groups of epipetalous stamens. ! Dichogamy refers to unisexual flowers. A. If both As ... wrong D. If both As and R are wrong.

How many stamens in jasmine?

Description : How many stamens in jasmine?

Last Answer : Need answer

Stamens are fused with each other by their anthers and also with the petals in (1) Leguminosae (2) Liliaceae (3) Compositae (4) Euphorbiaceae

Description : Stamens are fused with each other by their anthers and also with the petals in (1) Leguminosae (2) Liliaceae (3) Compositae (4) Euphorbiaceae

Last Answer : (3) Compositae Explanation: The loose union of structure of the same whorl is called cohesion, but the intimate histological union is called conflation. When anthers are fused with each other, the ... When there is fusion of stamens with petals, they are described as epipetalous e.g., Gamopetale.

A flower which has all the usual parts sepals, petals, stamens and carpel is called a. hermaphrodite b. Complete c. Pistilate d. Incomplete

Description : A flower which has all the usual parts sepals, petals, stamens and carpel is called a. hermaphrodite b. Complete c. Pistilate d. Incomplete

Last Answer : hermaphrodite

The terminal part of the pedicel bearing the sepals, petals, stamens and carpals is called a. Pedicel b. Inflorescence c. Thalamus d. Non of these

Description : The terminal part of the pedicel bearing the sepals, petals, stamens and carpals is called a. Pedicel b. Inflorescence c. Thalamus d. Non of these

Last Answer : Thalamus

The stamens are the male organs of flower which are also called a. Pistil b. Gynoecium c. Androecium d. Carpel

Description : The stamens are the male organs of flower which are also called a. Pistil b. Gynoecium c. Androecium d. Carpel

Last Answer : Androecium

Mango flower carries fertile stamens which are. a. One b. One or two c. Three d. One or three

Description : Mango flower carries fertile stamens which are. a. One b. One or two c. Three d. One or three

Last Answer : One

Unfertile stamens of mango are called. a. Sterile b. Indehiscent c. Staminoides d. Pistilloids

Description : Unfertile stamens of mango are called. a. Sterile b. Indehiscent c. Staminoides d. Pistilloids

Last Answer : Staminoides

Rice and wheat has how many stamens? a) 3,3 b) 6,3 c) 3,6 d) 6,6

Description : Rice and wheat has how many stamens? a) 3,3 b) 6,3 c) 3,6 d) 6,6

Last Answer : a) 3,3

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 originates from cells of pericycle at the time of secondary growth. (C) Stamens in flowers of Gloriosa and Petunia are polyandrous.(D) Symbiotic nitrogen fixers occur in free-living state also in soil.

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.

.Epipetalous and syngenesious stamens occur in (a) Solanaceae (b) Brassicaceae (c) Fabaceae (d) Asteraceae.

Description : .Epipetalous and syngenesious stamens occur in (a) Solanaceae (b) Brassicaceae (c) Fabaceae (d) Asteraceae.

Last Answer : (d) Asteraceae.

.Epipetalous stamens with free filaments and fused anthers occur in (a) Asteraceae (b) Solanaceae (c) Liliaceae (d) Poaceae.

Description : .Epipetalous stamens with free filaments and fused anthers occur in (a) Asteraceae (b) Solanaceae (c) Liliaceae (d) Poaceae.

Last Answer : (a) Asteraceae

How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers? (a) Three (b) Four (c) Five (d) Six

Description : How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers? (a) Three (b) Four (c) Five (d) Six

Last Answer : (b) Four

Stamens are fused with each other by their anthers and also with the petals in : (1) Leguminosae (2) Liliaceae (3) Compositae (4) Euphorbiaceae

Description : Stamens are fused with each other by their anthers and also with the petals in : (1) Leguminosae (2) Liliaceae (3) Compositae (4) Euphorbiaceae

Last Answer : Compositae

What is adhesion? -Biology

Description : What is adhesion? -Biology

Last Answer : answer:

Cohesion and adhesion in the ascent of xylem sap. -Biology

Description : Cohesion and adhesion in the ascent of xylem sap. -Biology

Last Answer : answer:

Foreskin Adhesion?

Description : How long is it considered normal for a little boy not to have his foreskin withdrawn yet?

Last Answer : The doctor said a few days ago that he didn’t have to deal with it until he was two years old, but as far as his skin would allow, he had to pull back while bathing.

How adhesion and cohesion and capillary action enable water to go from the roots to the top a tall tree?

Description : How adhesion and cohesion and capillary action enable water to go from the roots to the top a tall tree?

Last Answer : Water travels up a tree through small tubes called xylem. Aswater is released through the leaves of the tree, it creates anegative pressure at the top of the tree. Even though the weight ofall ... the width of thetube, which means that the xylem and stomata can draw water up andincredible distance.

What are cell adhesion molecules?

Description : What are cell adhesion molecules?

Last Answer : Nerve cell adhesion molecules refer to a class of membraneproteins that comprise the outer surfaces of cell membranes in thenervous system. They are thought to be involved in guidingdevelopment during embryonic life.

Adhesion?

Description : Adhesion?

Last Answer : DefinitionAdhesions are bands of scar-like tissue that form between two surfaces inside the body and cause them to stick together.As the body moves, tissues or organs inside are normally able to shift around each ... twist, pull out of position, or be unable to move as well.The risk of forming adh

Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of hypoxanthine and xanthene b. Oxygen free radicals such as the superoxide radical are involved in the expression of the proinflammatory phenotype of endothelial cells, macrophages and neutrophils c. The intracellular adhesion molecule-1 (ICAN-1) contributes to injury and disruption of the endothelial lining, with extensive capillary leak and resultant interstitial edema d. Animal models have demonstrated that passive immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury

Description : Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of ... immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury

Last Answer : Answer: a, b, c, d During the ischemia and hypoperfusion phase, degradation of ATP stores essential to maintain cell integrity and significant loss of diffusible ... either the neutrophil adhesive complex or the endothelial selectins dramatically lessens ischemia/reperfusion microvascular injury

Which of the following statements regarding endothelial cells in acute inflammation are true? a. Endothelial cells are characterized by phenotypic homogeneity b. Specific patterns of receptor expression regulate leukocyte adherence c. Endothelial cell nitric oxide generation regulates regional blood flow and leukocyte adhesion d. Endothelial cells may be capable of phagocytosis

Description : Which of the following statements regarding endothelial cells in acute inflammation are true? a. Endothelial cells are characterized by phenotypic homogeneity b. Specific patterns of receptor expression ... blood flow and leukocyte adhesion d. Endothelial cells may be capable of phagocytosis

Last Answer : Answer: b, c, d Endothelial cells are increasingly recognized to be phenotypically heterogeneous. Specific receptor molecules are expressed at various sites where they help to direct lymphocytes and ... rather, they possess the ability to direct and focus many aspects of an inflammatory event

Which of the following statements regarding IL-1 are correct? a. While IL-1 and TNFa share many biologic effects, IL-1 appears to be more potent b. IL-1 expression is in part autoregulated c. IL-1 inhibits prostaglandin production d. The ability of IL-1 to upregulate endothelial cell-neutrophil adhesion molecules is relatively limited

Description : Which of the following statements regarding IL-1 are correct? a. While IL-1 and TNFa share many biologic effects, IL-1 appears to be more potent b. IL-1 expression is in part ... production d. The ability of IL-1 to upregulate endothelial cell-neutrophil adhesion molecules is relatively limited

Last Answer : Answer: b IL-1 and TNFa share many biologic properties. In addition, each potentiates the effects of the other one when given concurrently. Overall, IL-1 alone probably has weaker effects than ... IL-1 provides a key step in the extravasation of leukocytes to sites of local inflammation and injury

Leukocyte activation and adhesion to vascular endothelial cells is a critical step in the inflammatory process. This process is regulated by which of the following molecules? a. The selectins b. The b5 integrins c. The immunoglobulin supergene family d. Nitric oxide e. IL-8

Description : Leukocyte activation and adhesion to vascular endothelial cells is a critical step in the inflammatory process. This process is regulated by which of the following molecules? a. The selectins b. The b5 integrins c. The immunoglobulin supergene family d. Nitric oxide e. IL-8

Last Answer : Answer: a, c, d, e The temporal events that initiate and propagate neutrophil recruitment and inflammation include endothelial cell activation and expression of endothelial-derived ... role in neutrophil recruitment and activation, and the continued propagation of the inflammatory response

Which of the following is an adhesion glycoprotein? A. Fibronectin. B. Tenascin. C. Laminin. D. Hyaluronic acid. E. Collagen type IV.

Description : Which of the following is an adhesion glycoprotein? A. Fibronectin. B. Tenascin. C. Laminin. D. Hyaluronic acid. E. Collagen type IV.

Last Answer : Answer: ABC DISCUSSION: Cell adhesion glycoproteins such as fibronectin, vitronectin, laminin, and tenascin provide a railroad track to facilitate epithelial and mesenchymal cell migration over the wound ... , and collagen type IV is a protein that is a crucial component of basement membrane

While dusting a carpet, we give a sudden jerk or beat it with a stick because _____. A. Inertia of rest keeps the dust in its position and the dirt is removed by the movement of carpet away B. Inertia of motion removes the dust C. The jerk compensates for the force of adhesion between the dust and the carpet and the dust is removed D. None of the these

Description : While dusting a carpet, we give a sudden jerk or beat it with a stick because _____. A. Inertia of rest keeps the dust in its position and the dirt is removed by the movement of carpet away B. ... the force of adhesion between the dust and the carpet and the dust is removed D. None of the these

Last Answer : ANSWER: B

On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because (a) Mercury is a metal (b) The density of mercury is greater than that of water (c) The cohesion of mercury is greater than its adhesion with glass (d) The cohesion of water is greater than its adhesion with glass

Description : On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because (a) Mercury is a metal (b) The density of mercury is greater ... is greater than its adhesion with glass (d) The cohesion of water is greater than its adhesion with glass

Last Answer : Ans:(c)

A solid needle placed horizontally on the surface of the water floats due to (a) Surface tension (b) Capillary action (c) Cohesion (d) Adhesion

Description : A solid needle placed horizontally on the surface of the water floats due to (a) Surface tension (b) Capillary action (c) Cohesion (d) Adhesion

Last Answer : Ans:(a)

Cell recognition and adhesion occur due to biochemicals of cell membrane named (a) Proteins (b) Lipids (c) Proteins and lipids (d) Glycoproteins and glycolipids

Description : Cell recognition and adhesion occur due to biochemicals of cell membrane named (a) Proteins (b) Lipids (c) Proteins and lipids (d) Glycoproteins and glycolipids

Last Answer : Ans:(d)

On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because (1) Mercury is a metal (2) Density of mercury is greater than that of water (3) Cohesion of mercury is greater than its adhesion with glass (4) Cohesion of water is greater than its adhesion with glass

Description : On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because (1) Mercury is a metal (2) Density of mercury is greater than that ... is greater than its adhesion with glass (4) Cohesion of water is greater than its adhesion with glass

Last Answer : (3) Cohesion of mercury is greater than its adhesion with glass Explanation: When liquid is placed on a smooth surface like glass plate, the relative strengths of the cohesive and adhesive forces acting on ... and a surface are stronger, they will pull the liquid down, causing it to wet the surface.

Nylon-6 as compared to nylon 66 has lower (A) Abrasion resistance (B) Thermal stability (C) Adhesion to rubber (D) Hardness

Description : Nylon-6 as compared to nylon 66 has lower (A) Abrasion resistance (B) Thermal stability (C) Adhesion to rubber (D) Hardness

Last Answer : (A) Abrasion resistance

What type of wear occurs due to an interaction of surfaces due to adhesion of the metals? a) Adhesive wear b) Abrasive wear c) Fretting wear d) Erosive wear

Description : What type of wear occurs due to an interaction of surfaces due to adhesion of the metals? a) Adhesive wear b) Abrasive wear c) Fretting wear d) Erosive wear

Last Answer : a) Adhesive wear

The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of (a) weak gravitational pull (b) transpiration pull (c) lignified thick walls (d) cohesion and adhesion

Description : The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of (a) weak gravitational pull (b) transpiration pull (c) lignified thick walls (d) cohesion and adhesion

Last Answer : (d) cohesion and adhesion.

Cell recognition and adhesion occur due to biochemicals of cell membranes named (a) proteins (b) lipids (c) proteins and lipids (d) glycoproteins and glycolipids.

Description : Cell recognition and adhesion occur due to biochemicals of cell membranes named (a) proteins (b) lipids (c) proteins and lipids (d) glycoproteins and glycolipids.

Last Answer : (d) glycoproteins and glycolipids.

The fluid property, due to which, mercury does not wet the glass is (A) Surface tension (B) Viscosity (C) Cohesion (D) Adhesion

Description : The fluid property, due to which, mercury does not wet the glass is (A) Surface tension (B) Viscosity (C) Cohesion (D) Adhesion

Last Answer : (A) Surface tension

The fluid property, due to which, mercury does not wet the glass is (A) Surface tension (B) Viscosity (C) Cohesion (D) Adhesion

Description : The fluid property, due to which, mercury does not wet the glass is (A) Surface tension (B) Viscosity (C) Cohesion (D) Adhesion

Last Answer : (A) Surface tension

Rise of liquid in a capillary tube is due to (A) Cohesion (B) Adhesion (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Rise of liquid in a capillary tube is due to (A) Cohesion (B) Adhesion (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B

The shear resistance of a soil is constituted basically of the following component. (A) The frictional resistance to translocation between the individual soil particles at their contact point (B) To the structural relation to displacement of the soil because of the interlocking of the particles (C) Cohesion and adhesion between the surfaces of the soil particles (D) All the above

Description : The shear resistance of a soil is constituted basically of the following component. (A) The frictional resistance to translocation between the individual soil particles at their contact point (B) To the ... (C) Cohesion and adhesion between the surfaces of the soil particles (D) All the above

Last Answer : Answer: Option D

Property responsible for the talcum powder to cling to the skin is the (A) Capillary action (B) Adhesion (C) Cohesion (D) Surface tension

Description : Property responsible for the talcum powder to cling to the skin is the (A) Capillary action (B) Adhesion (C) Cohesion (D) Surface tension

Last Answer : Option B

The mercury does not wet the glass. This is due to the property of the liquid known as (A) Cohesion (B) Adhesion (C) Viscosity (D) Surface tension

Description : The mercury does not wet the glass. This is due to the property of the liquid known as (A) Cohesion (B) Adhesion (C) Viscosity (D) Surface tension

Last Answer : Answer: Option D

Mercury does not wet glass. This is due to property of liquid known as (A) Adhesion (B) Cohesion (C) Surface tension (D) Viscosity

Description : Mercury does not wet glass. This is due to property of liquid known as (A) Adhesion (B) Cohesion (C) Surface tension (D) Viscosity

Last Answer : Answer: Option C