The oat coleoptiles of the seedlings above have been modified: either cut or placed in a light-blocking tube. Which ones will stills bend toward a directional light source?

Q: Close the box, tape it, and place it in a sunny window. In about 4 or 5 days open the box and notice…

A: Plant research enhances our cognitive lives and expands our understanding of other living systems.…

Q: Compare the following situations of seed germination of monggo seeds within five days: - exposed to…

A: Mango trees require heavy nutrients, sunlight, and water for growth and development. the plants…

Q: What part of a grass coleoptile senseslight, and how is the signal transmitted?

A: Phototropism is one of the important responses in plants. It is the directional response that allows…

Q: What type of flowers does -Pistia stratiotes -Calotropis gigantea -Gloriosa superba -Ficus…

A: The reproductive structure found in flowering plants i.e angiosperms is called flowers, blooms, or…

Q: Which of the following pairs is mismatched? Select one: o A. Sepal : part of sporophyte o B. Style :…

A: Anatomy is the branch of science that deals with the study of structure and parts of a body. Plant…

Q: If green plants require light in order to produce food needed for growth, why are seedlings that are…

A: Plant hormones involve auxin, abscisic acid, ethylene, gibberellins, cytokinins, salicylic acid,…

Q: What are the advantages and disadvantages of wind pollination? What are the advantages and…

A: Step 1 Both the male gamete and female gamete are non-motile. Fertilization can occur only when the…

Q: Identify and explain what environmental factors influence the timing and coordination of the…

A: The process of the development of a seed into a plant after the period of dormancy is called…

Q: How is seed dispersal effected in coconut

A:

Q: Differentiate the following treatments based on the effect of light on monggo (Vigna radiata) seed…

A: Monggo (Vigna radiata) is also called as Mung bean. For its edible seeds and sprouts, the mung bean…

Q: What is the mechanism of pollination in gymnosperms and how the size and presence of wings on each…

A: Since you have asked multiple parts of the same question, we are eligible to answer only the first…

Q: is ovule the floral origin of the pericarp

A: Fruit refers to the mature ovary of a flower. Angiosperm plants produce fruit because their seeds…

Q: The researcher presented her findings to her colleagues. They noted that this experiment falled to…

A: The researcher experimented by exposing the plants to a flash of light during the periods of…

Q: Why is seed dispersal important in the life of plants? What would be the consequences of having…

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: Which of the given plants do not show any correlation between exposure to light duration and…

A: Answer is a.) tomato.

Q: When the roots of a corn (Zea mays) seedling grow downward, is this a negative response to light or…

A: Gravitropism is defined as the growth of plants in response to gravity.  The response is also seen…

Q: Bougainvillea, Sunflower, and hibiscus are Perfect or imperfect? If imperfect, specific type of…

A: Flower with four principal parts namely sepal, petal, pistil or stamen is known as a complete…

Q: How does the order of red and farred illumination affect seed germination?

A: The phytochromes are a family of chromo proteins with a linear tetrapyrrole chromophore, similar to…

Q: What advantage does the hibiscus flower gain by clustering its stamens around the pistil?

A: Hibiscus has bright and showy flowers and both male (anthers) and female parts (pistil) of the…

Q: What are the external factors on seedling growth? and what are their effects in seed growth and…

A: External factors and their effect on seedling growth and germination. 1. Water- there are enzymes…

Q: Grass plants elevate their leaves to compete for light without exposing their shoot apical meristems…

A: 1. growing their leaves from persistent Meristematic zones at the leaf base.

Q: in a soaked seed of corn, can you locate a hilum or raphe?

A: A hilum is a scar or mark left on a seed coat by the former attachment to the ovary wall or to the…

Q: Do Radish seeds germinate better in the dark or in sunlight? How does this affect the color of their…

A: Radishes are edible root, fast-growing, annual, and cool-season crops. Their seed germinates in…

Q: What type of stem modification does -Phoenix sylvestris -Cassia obtusifolia -Bauhinia anguina…

A: A bulb is a stem alteration with expanded fleshy leaves that emerge from the stem or encircle the…

Q: What would the roots look like if GLABRA-2 wererendered dysfunctional by a mutation?

A: Step 1 Glabra-2 is a homeotic gene that is required for appropriate root hair distribution. A…

Q: Investigations > Make a list of all possible stimuli that the seedlings could be responding to when…

A: The development of an organism in reaction to a light stimulation is known as phototropism.

Q: Examine different parts of a shoot,draw labelled diagrams (only one diagram indicating all parts)and…

A: Introduction:- Shoot is the part of plant that arise from the plumule of the seed. It is the part…

Q: What kind of stem does -Phoenix sylvestris -Cassia obtusifolia -Bauhinia anguina -Pistia…

A: In botany, the stem is that the plant axis that carries buds shoots with leaves, and roots at its…

Q: Why is seed dispersal important in the life of plants? What would be the consequences of having…

A: * Seed dispersal is the mechanism in which plant seeds are transported to new places carried by…

Q: The oat coleoptiles on the left have been modified: either cut or placed in a light-blocking tube.…

A: Introduction  Plants shows different types of movements in response to stimuli. These responses are…

Q: Most wind pollinated flowering plants have incospicuous non-fragrant flowers. How might nature be…

A: Pollination means transferring pollen grains from one plant to the other to the stigma part of the…

Q: Which (look at figure) is an accessory pigment in red flowers?

A: The most common accessory pigment present in the red flowers are Carotenoids. These carotenoids are…

Q: Explain: Internally, cycad stems are similar to those of seed ferns— a thick cortex containing…

A: Cycads- Cycads are source of food, fiber and gum .cycads like other gymnosperms ,also have a medical…

Q: How and from where do cotyledons develop from for a bean seed?

A: Plants reproduce through formation of seeds or spores. Cotyledon is the significant part of the…

Q: on the shoot system of grass plants, can you clearly see the nodes and internodes?

A: The stem is the structure that provides support to all the structures of the plant such as flowers,…

Q: Why when peas place on a hand towel in a cup for sunlight, water and oxygen. It does not germinate?

A: Peas (Pisum sativum) are members of the legume family and are small, round seeds that are present…

Q: Which of the following is true regarding germination?     a. Imbibition of water is the first step…

A: Germination is defined as the process of seeds developing into new plants. A fully developed seed…

Q: Describe how photoperiod affects the flowering of the following group of plants : i) day-neutral

A: Photoperiodism is the process that plant measure its length of  photoperiod. In 1920 HA Allard first…

Q: What are the three phases of seed development? When does the peak of ABA concentration take place?…

A: Crop breeders place a high priority on seed development since it is linked to grain output. MiRNAs…

Q: In flowers that are pollinated by wind or water, which of the parts is often missing?

A: The process of transferring pollen from the anther (male part of a flower) to the stigma (female…

Q: Find the incorrect match from the following (with 1. respect to the structures involved in…

A: Vegetative reproduction is any type of asexual reproduction that occurs in plants and results in the…

Q: What are the advantages of reduced gametophyte? What is an ovule and what are integuments? What is…

A: As per Bartleby guidelines, when multiple sub part questions are posted we are allowed to answer…

Q: in fruits of wild daisy, what role can the pappus play in seed dispersal?

A: The movement, spread, or transportation of seeds away from the parent plant is referred to as seed…

Q: Which of the following phrases best explains how differing maturity levels of the pistil and stamen…

A: Stamen is the male reproductive organ of a flower and Pistil is the female reproductive organ.…

Q: Does closing of the leaves of the Makahiya plant once touched considered as thigmotropism? Why or…

A: Thigmotropism is directional  plant growth movement where particular part of  plant body move or…