Which hormones are responsible for phototropism? -Biology

Question

Which hormones are responsible for phototropism? -Biology

asked Feb 2, 2022 by anonymous

1 Answer

Answer :

Growth curvature response of plants towards light is known as phototropism which is mediated by auxins in plants.

answered Feb 2, 2022 by anonymous

Related questions

How does phototropism occur in plants? -Biology-10

Description : How does phototropism occur in plants? -Biology-10

Last Answer : Phototropism is a growth movement induced by a light stimulus. Growth towards a source of light is called positive phototropism, that away from the source is termed negative phototropism. The tips of shoots ... that the tip was, in some way, communicating with the cells of the region of elongation.

How does phototropism occur in plants ? -Biology-10

Description : How does phototropism occur in plants ? -Biology-10

Last Answer : The movement in any part of a plant due to light is called phototropism. The shoot of plant shows positive phototropism and roots show negative phototropism. Phototropism in plants occurs due to the hormone ... in length of the cells in shady part. So, the plant appears to bend towards light.

Which plant hormone is related to phototropism? -Biology

Description : Which plant hormone is related to phototropism? -Biology

Last Answer : answer:

Which plant hormone is related to phototropism? -Biology

Description : Which plant hormone is related to phototropism? -Biology

Last Answer : answer:

Name the stimulus involved in each of the following phenomenon: (i) Phototropism (ii) Geotropism. -Science

Description : Name the stimulus involved in each of the following phenomenon: (i) Phototropism (ii) Geotropism. -Science

Last Answer : (i) Light (ii) Gravity.

What is Negative Phototropism ?

Description : What is Negative Phototropism ?

Last Answer : : Phototropism is a type of curvature of plants. The stems and branches of the plant always move towards the ala and the roots always move in the opposite direction to the ala. In contrast to Ala, the movement of the root is called negative phototropic pism .

Cholodny-Went theory is connected with: (1) Photo morphogenesis (2) Phototropism (3) Nastic movement (4) Geotropism

Description : Cholodny-Went theory is connected with: (1) Photo morphogenesis (2) Phototropism (3) Nastic movement (4) Geotropism

Last Answer : Ans. ((c))

Define the following. a) Phototropism

Description : Define the following. a) Phototropism

Last Answer : a) Phototropism - The response of plants towards light b) Geotropism - The response of plants towards gravity c) Hydrotropism - The response of plants towards water d) Thigmotropism - The ... The response of plants towards temperature/heat f) Chemotropism - The response of plants towards chemicals

What are auxins? What is affect of auxins on phototropism and geotropism?

Description : What are auxins? What is affect of auxins on phototropism and geotropism?

Last Answer : Auxins are plants hormones. Geotropism and phototropism are caused by unequal growth of plant parts and controlled by auxins. Effect on phototropism: - From shoot, auxins pass down to the growing ... of root towards force of gravity. So roots grow in earth and show positive geotropic response.

Growth of plant towards light is called? (A)Phototropism (B) Photorespiration (C) Photocromatism (D) Photoperiodism

Description : Growth of plant towards light is called? (A)Phototropism (B) Photorespiration (C) Photocromatism (D) Photoperiodism

Last Answer : (D) Photoperiodism

Bending of plants towards light is called— (A) Phototropism (B) Vernalisation (C) Photo-respiration (D) None of these

Description : Bending of plants towards light is called— (A) Phototropism (B) Vernalisation (C) Photo-respiration (D) None of these

Last Answer : (A) Phototropism

Phytochrome is involved in (a) phototropism (b) photorespiration (c) photoperiodism (d) geotropism

Description : Phytochrome is involved in (a) phototropism (b) photorespiration (c) photoperiodism (d) geotropism

Last Answer : (c) photoperiodism

The response of different organisms to the environmental rhythms of light and darkness is called (a) vernalization (b) photoperiodism (c) phototaxis (d) phototropism.

Description : The response of different organisms to the environmental rhythms of light and darkness is called (a) vernalization (b) photoperiodism (c) phototaxis (d) phototropism.

Last Answer : b) photoperiodism

In plant cells, peroxisomes are associated with (a) photorespiration (b) phototropism (c) photoperiodism (d) photosynthesis.

Description : In plant cells, peroxisomes are associated with (a) photorespiration (b) phototropism (c) photoperiodism (d) photosynthesis.

Last Answer : (a) photorespiration

What is the process of growth of a plant toward a light stimulus is called? a. Geotropism b. Chemotropism c. Phototropism d. Hydrotropism

Description : What is the process of growth of a plant toward a light stimulus is called? a. Geotropism b. Chemotropism c. Phototropism d. Hydrotropism

Last Answer : c. Phototropism

The tendency of a plant to grow toward light is called: a) photosynthesis b) photoinduction c) phototropism (pron: fo-tot-row-piz-em) d) photolysis (pron: fo-tol-eh-sis)

Description : The tendency of a plant to grow toward light is called: a) photosynthesis b) photoinduction c) phototropism (pron: fo-tot-row-piz-em) d) photolysis (pron: fo-tol-eh-sis)

Last Answer : ANSWER: C -- PHOTOTROPISM

Which one of the following hormones is responsible for uterine contraction during parturition?

Description : Which one of the following hormones is responsible for uterine contraction during parturition?

Last Answer : Which one of the following hormones is responsible for uterine contraction during parturition? A. Relaxin B. Vasopressin C. Oxytocin D. Prolactin.

Which one of the following hormones is responsible for uterine contraction during parturition?

Description : Which one of the following hormones is responsible for uterine contraction during parturition?

Last Answer : Which one of the following hormones is responsible for uterine contraction during parturition? A. Oxytocine B. LH C. Estrogen D. Relaxin

What is the name of system responsible for transporting and delivering materials needed by the body's organs such as oxygen nutrients and hormones through the blood as it is pumped around the body by?

Description : What is the name of system responsible for transporting and delivering materials needed by the body's organs such as oxygen nutrients and hormones through the blood as it is pumped around the body by?

Last Answer : What is the answer ?

Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true concerning acute phase protein response to surgical stress? a. Glucocorticoid hormones inhibit this response b. Proteins such as albumin and transferrin which serve in serum transport are generally increased in this response c. Examples of acute phase proteins include fibrinogen and C-reactive protein d. In general, the physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage

Description : Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true ... physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage

Last Answer : Answer: c, d IL-6 is now recognized at the cytokine primarily responsible for the alteration in hepatic synthesis recognized as the acute phase response. Glucocorticoid hormones augment ... that generally inhibit the tissue destruction that is associated with the local initiation of inflammation

Which one of the following glands is responsible for secretion of sex hormones? (1) Adrenal gland (2) Thyroid gland (3) Pituitary gland (4) Sebaceous gland

Description : Which one of the following glands is responsible for secretion of sex hormones? (1) Adrenal gland (2) Thyroid gland (3) Pituitary gland (4) Sebaceous gland

Last Answer : (3) Pituitary gland Explanation: The pituitary is sometimes referred to as the "master gland" as it controls hormone functions such as our temperature, thyroid activity, growth during childhood, urine production, testosterone production in males and ovulation and estrogen production' in females.

Which of the following hormones is primarily responsible for stimulating the production of progesterone? a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland. b) Follicle-stimulating hormone Follicle-stimulating hormone is responsible for stimulating the ovaries to secrete estrogen. c) Estrogen Estrogens are responsible for developing and maintaining the female reproductive tract. d) Androgen Androgens, secreted in small amounts by the ovaries, are involved in early development of the follicle and also affect the female libido.

Description : Which of the following hormones is primarily responsible for stimulating the production of progesterone? a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland. b) Follicle-stimulating ... , are involved in early development of the follicle and also affect the female libido.

Last Answer : a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland.

Which one of the following glands is responsible for secretion of sex hormones ? (1) Adrenal gland (2) Thyroid gland (3) Pituitary gland (4) Sebaceous gland

Description : Which one of the following glands is responsible for secretion of sex hormones ? (1) Adrenal gland (2) Thyroid gland (3) Pituitary gland (4) Sebaceous gland

Last Answer : Pituitary gland

(a) What are plant hormones ? Give one example each of a plant hormone that -Biology-10

Description : (a) What are plant hormones ? Give one example each of a plant hormone that -Biology-10

Last Answer : Plant Hormones: Phytohormones are chemical substances other than nutrients produced naturally in plants which regulate growth, development, differentiation and a number of physiological ... , respiratory centre. C-Cerebellum Function: Maintains equilibrium and coordinates muscular activities

What are the hormones involved in providing milk to the suckling infant ? -Biology-10

Description : What are the hormones involved in providing milk to the suckling infant ? -Biology-10

Last Answer : Prolactin (Maternity Hormone). Production of milk. 2. Oxytocin Ejection of milk

What are plant hormones ? -Biology-10

Description : What are plant hormones ? -Biology-10

Last Answer : Plant hormones are also called phytohormones. Plant hormones are the chemical substances which help in controlling growth, flowering, height, development of plants and their response to the ... types of phytohormones are – auxins, gibberllins, cytokinins, abscisic acid and ethylene.

Study the flow chart given below. Name the hormones involved at each stage and explain their role. -Biology

Description : Study the flow chart given below. Name the hormones involved at each stage and explain their role. -Biology

Last Answer : Ovulation Induced by LH secreted from anterior pituitary. LH also stimulates the formation of corpus luteum and secretion of progesterone from it. Pregnancy Progesterone is necessary for ... secretion of oxytocin which induces stronger contractions of uterine muscles leading to parturition.

Study the flow chart given below. Name the hormones involved at each stage and explain their function. -Biology

Description : Study the flow chart given below. Name the hormones involved at each stage and explain their function. -Biology

Last Answer : Hypothalamus Gonadotropin Releasing Hormones (GnRH) are released by the hypothalamus. Pituitary GnRH stimulates pituitary to release FSH and LH. Ovary FSH and LH act on ovary. LH ... ruptured follicle and secretion of progesterone by the corpus luteum. Pregnancy Progesterone maintains pregnancy.

(i) How is placenta formed in human female? (ii) Name any two hormones which are secreted by it and are also present in a non-pregnant woman. [ -Biology

Description : (i) How is placenta formed in human female? (ii) Name any two hormones which are secreted by it and are also present in a non-pregnant woman. [ -Biology

Last Answer : i)After implantation of blastocyst, the finger-like projections called chorionic villi, appear on the trophoblast and is surrounded by uterine tissue and maternal blood which become interdigitated with each ... by placenta that are also present in a non-pregnant women are oestrogen and progesterone.

Name the hormones produced only during pregnancy in human female. Mention their source organ. -Biology

Description : Name the hormones produced only during pregnancy in human female. Mention their source organ. -Biology

Last Answer : The hormones produced only during pregnancy in human female are human Chorionic Gonadotropin (hCG), human Placental Lactogen (hPL) and relaxin. The source of hCG and hPL — Placenta, and Relaxin — Ovary.

What are the hormones secreted by Pituitary gland? -Biology

Description : What are the hormones secreted by Pituitary gland? -Biology

Last Answer : answer:

What are the hormones secreted by Thyroid? -Biology

Description : What are the hormones secreted by Thyroid? -Biology

Last Answer : answer:

What are the hormones secreted by Gonads (Testes, Ovaries)? -Biology

Description : What are the hormones secreted by Gonads (Testes, Ovaries)? -Biology

Last Answer : answer:

What are the hormones secreted by Hypothalamus? -Biology

Description : What are the hormones secreted by Hypothalamus? -Biology

Last Answer : answer:

What are the hormones secreted by Parathyroid? -Biology

Description : What are the hormones secreted by Parathyroid? -Biology

Last Answer : answer:

What are the hormones secreted by Adrenal gland (Adrenal cortex, Adrenal medulla)? What are the chief functions of these hormones. -Biology

Description : What are the hormones secreted by Adrenal gland (Adrenal cortex, Adrenal medulla)? What are the chief functions of these hormones. -Biology

Last Answer : answer:

What are the hormones secreted by Pancreas? -Biology

Description : What are the hormones secreted by Pancreas? -Biology

Last Answer : answer:

What are the hormones secreted by Thymus? -Biology

Description : What are the hormones secreted by Thymus? -Biology

Last Answer : answer:

What are the functions of the sex hormones? -Biology

Description : What are the functions of the sex hormones? -Biology

Last Answer : answer:

What is the function of growth hormones? -Biology

Description : What is the function of growth hormones? -Biology

Last Answer : answer:

Explain the hormones of the pituitary gland and functions. -Biology

Description : Explain the hormones of the pituitary gland and functions. -Biology

Last Answer : answer:

What are the hormones that prevent water loss at the kidneys? -Biology

Description : What are the hormones that prevent water loss at the kidneys? -Biology

Last Answer : Direct control of water excretion in the kidneys is exercised by vasopressin, or anti-diuretic hormone (ADH), a peptide hormone secreted by the hypothalamus. ADH causes the insertion of water channels into the membranes of cells lining the collecting ducts, allowing water reabsorption to occur.

What hormones are directly involved in the onset of puberty? -Biology

Description : What hormones are directly involved in the onset of puberty? -Biology

Last Answer : answer:

What is the difference between mineralocorticoid and glucocorticoid hormones? -Biology

Description : What is the difference between mineralocorticoid and glucocorticoid hormones? -Biology

Last Answer : answer:

How the hormones of the thyroid gland influence the metabolic rate? -Biology

Description : How the hormones of the thyroid gland influence the metabolic rate? -Biology

Last Answer : answer:

What is the role of luteinizing hormones in both males and females? -Biology

Description : What is the role of luteinizing hormones in both males and females? -Biology

Last Answer : answer: