Knowledge of photoperiodism can be helpful for (a) Laying out orchards in a particular area (b) Flower growers to regulate flowering as per demand (c) Farmers to shorten the period between germination and flowering a.a only b.b only c.a and b d.a and c

Q: The orientation of plant growth in the direction of light is called: a. Thigmotropism b.…

A: Plants are multicellular living entities that can be found practically anywhere on the planet. They…

Q: If you exposed seeds to a series of red light versus far-red light treatments, which of the…

A: Introduction: To absorb light, plants have specific pigments called phototropin and phytochrome.…

Q: Vernalization induces flowering following exposure to a. water. b. drought. c. cold. d. heat

A: The process that includes enhancement of seed production or stimulation of flowering by exposing a…

Q: Four of the following are steps occur in the earliest stages of seed germination. Choose the fifth…

A: Germination of seeds is a complex process that involves various physiological, biochemical, and…

Q: In a flower after fertilization, the following tissues are diploid: a. carpel, integuments, and…

A: Fertilization can be defined as the process in which a fusion of the male gamete with the female…

Q: Which of the following are found in gymnosperms, as well as in angiosperms?   a. Fruits   b.…

A: Gymnosperms are the seed-producing plants which include conifers, cycads etc.  Angiosperms are the…

Q: Which region of the embryo elongates during epigeal germination to bring the shoot above ground? C.…

A: Germination is the method through which a living being develops from a seed or similar structure. In…

Q: The arrival of pollen grains on a receptive stigma is called_____ . a. germination c. pollination b.…

A: Step 1 Pollen grains represent the male reproductive propagule or young male gametophyte which is…

Q: Key features of seed plants facilitating life on land include three of the following four traits.…

A: The cuticle is found on all terrestrial plants, even mosses, and it serves as a barrier against UV…

Q: A seed protects thea. embryo. b. ovule.  c. ovary.d. pollen grain.

A: Plant morphology deals with the study of external forms and features of different plant organs. Seed…

Q: For a plant colonixing a remote island, describe one advantage and one disadvantage of: a.)…

A: Cross-pollination and self-pollination are two different methods of pollination used by plants to…

Q: Find out the incorrect one for vernalisation. a.Stimulus of vernalisation is perceived by embryo…

A: Incorrect option : Helps to grow more than one crop in a year. Vernalisation enables biennial plants…

Q: The alternation of generations life cycle applies to gymosperms in that: A. the gametophyte stage…

A: Gymnosperms are vascular plants that produce seeds but not flowers.

Q: What is the tropic response called when a plant grows around an external object like a stake or…

A: We know that when a seed germinates in the soil its root and shoot keep growing if the developing…

Q: Which of the following adaptations allows plants to pause their life cycle until environmental…

A: To identify: To identify the correct option that allows plants to pause their life cycle until…

Q: How would a loss-of-function mutation in the α-amylase gene affect seed germination? a. The seed…

A: α-amylase: It is an enzyme that hydrolyses alpha bonds of alpha linked polysaccharides, such as…

Q: In the Philippines, owners and managers of plant nurseries have to plan lighting schedules for a…

A: In long day plant to be grown in the shorter days light has to be made available.The light needs to…

Q: Ethylene respond synergistically with another plant hormone ‘X’ for promoting shedding of leaves,…

A: Ethylene is the gaseous plant hormone and is synthesized by many plant organs.  It is later released…

Q: Which of the following is True?a. Ethylene stimulates abscission layers to form.b. Abscisic acid…

A: Plant hormones are also known as phytomones which are responsible for several functions of the…

Q: Angiosperms are the most diverse group of plants on the planet, by far. However, using flowers for…

A: Angiosperms are the most diverse group of plants on the planet, by far. However, using flowersfor…

Q: In flowers, the structures that produce male gametophytes are called______ ; the structures that…

A: Flower can be defined as the organ present in the plant which participates in reproduction. The…

Q: Which of the following is considered essential for germination? Select one: a. Abscisin b.…

A: Germination is vital event in plants, in which plantlet are arise from seed on the onset of…

Q: 7. Which of the following statements is/are true? I. Pistil is a male reproductive part of plants…

A: There are four distinct wholrs of flower -  Calyx Corolla Androecium Gynoecium

Q: Flower shape, scent, color, and the presence of nectar in the flowers of some angiosperms function…

A: Angiosperms are vascular plants with stems, roots, and leaves. The seeds of the angiosperm are found…

Q: The following are the nutritional requirements of xeromorphic leaves except

A: Xeromorphic leaves are well adapted to thrive in an environment having dry atmospheric climate.

Q: If the VIN3 gene had a loss-of-function mutation, how do youthink that would affect the phenotypes…

A: Gene is a functional unit of heredity. A gene is a sequence of nucleotides in genome that codes for…

Q: Match the dietary elements provided by plants to the most accurate description of them (role in…

A: Cells have several molecules called biomolecules.

Q: The sporophyte of nonvascular plants A. possesses anthers and archegonia O B. produces spores C. is…

A: Thank you for the question  Answer :- The correct option is B( The sporophytes of non vascular…

Q: How would plant development change if the functions of the genes SHOOTMERISTEMLESS (STM) and…

A: In the intricate process of plant development, certain genes play pivotal roles in determining the…

Q: Compare and contrast the characteristics of a somatic embryo and a shoot grown directly from a leaf…

A: Most important step in somatic embryogenesis is the transition of cell fate from a somatic cell to…

Q: 1.  What might be the direct consequence to liverworts if the gene for the expression of elaters is…

A: Liverworts These are land plants that lack a vascular system. As they do not have a vascular system…

Q: Which is common to the life cycles of both flowering and non-flowering plants? a) produce fruit b)…

A: Some plants don't produce flowers and seeds. Plants such as ferns and mosses are called nonflowering…

Q: 1. Select the correct mode of reproduction that fit the following condition.  "An individual…

A: Answer-  Sequential hermaphroditism is a phenomena that happens in some fishes, amphibians and…

Q: Which of the following is false? A. Oak trees have flowers B. Gymnosperms make pollen C. Ferns…

A: Oak trees produce both male and female flowers is true. Gymnosperms have pollens but no flowers,…

Q: Pin and thrum flowers are designed to: O a. Prevent the flower being fertilised by its own pollen. O…

A: Pin flowers have long styles and short stigma. Thrum flowers have short styles and long stigma. Some…

Q: Ethylene promotes A. production of female flowers B. fruit ripening C. promotion of abscission of…

A: Ethylene is a gaseous hormone which is present in plants. It is produced by all higher plants. It is…

Q: True or false. 1.) The ovary becomes the seed when matures 2.) Pollination is the transfer of pollen…

A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…

Q: Which of the following is NOT regulated by Gibberellins? seed germination b. fruit growth O.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Please answer the following parts: (a) Explain what Florigen is. (b) Explain how the floral…

A: In plants, all aspects of plant growth and development are controlled by the signal molecules. The…

Q: Type of spore formed by heterosporous species which give rise to female gametophytes. A. Hetrospores…

A: Spores are a type of reproductive cells that are produced as a result of asexual reproduction.…

Q: Exposure to______ can trigger seed germination. a. light c. smoke b. cold d. all can be triggers

A: Seed germination is the process in which dormant embryo of seed resumes metabolic activities and…

Q: The pollen lands on which part of the flower? a. stigma b. style c. ovule d. integument

A: Plants are multicellular and mostly green colored organisms belonging to kingdom Plantae. They…

Q: In producing seeds, what specific method is being done?

A: Seed is the reproductive organ of both angiosperms (flowering plants) and gymnosperms (woody plants)…

Q: 4. A) Identify which type of light (Red or Far-Red) simulates seed germination. B) Identify which…

A: A seed is a structure formed in plants after fertilization and has embryonic plant surrounded by a…

Q: Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several…

A: Plantae is the kingdom of eukaryotic and multicellular organisms that grow indefinitely in their…

Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.