Why do leaves appear green in the spring and summer and then turnto red or yellow in the fall?

Q: What is the process in the plant life cycle that occurs within sporangium and results in spores?

A: Spores formed inside the sporangia disperse and give rise to Gametophyte upon growth. These…

Q: How Long Can Seeds Remain Viable in Dormancy?

A: The phase of an organism's lifespan in which processes, such as physical activities, development,…

Q: Are ligules found in the dicot plant leaves only and are monocot and dicot plants higher plants?…

A: Flowering plants has two groups- Monocots and dicots groups Monocot plants: These have one…

Q: Which pigment in plants absorbs violet and blue - green light?

A: Absorption of light by the specific pigments depends upon specific patterns and range of wavelengths…

Q: fashort-day plant is kept under conditions of long nights and short days, it flowered. But if there…

A: In this question, we have to answer the flowering pattern in short day plants

Q: Why is the endosperm being digested?

A: Endosperm is the most common nutritive tissue for the developing embryo in angiosperms. In…

Q: What is phototropism?

A: Introduction  In this question we have to explain phtototropism.

Q: why is pressure higher in parts of the phloem Where sugar is being loaded than in parts were sugars…

A: Movement of water and minerals through the xylem is driven by negative pressure and movement through…

Q: Why pineapple is considered CAM plant?

A: The pineapple (scientific name: Ananas comosus (L.) Merr.) is an important tropical fruit and the…

Q: What is a possible explanation for the leaf color shown below?

A: The shown plant is a trifoliate having three veins. Such plants belong to angiosperms. This type of…

Q: Why must seeds absorb water before germinating?

A: Germination is the process by which a plant grows either from a seed or a spore and its most common…

Q: What advantages do seeds provide over spores?

A: Every living species has two types of cells, somatic cells that undergo mitotic cell division to…

Q: What is the importance oflignin for the xylemformation?

A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…

Q: What happen to leaves when its xylem vessels are blocked with wax?

A: The vascular tissue of the plants which is responsible for providing the entire plant with water and…

Q: What process begins endosperm formation? How is the endospermimportant to plants?

A: The endosperm is the tissue which is produced inside the seeds in most of the flowering plants. It…

Q: n a microscopic field of Allium cepa root tip, how many number of cells undergo prophase, metaphase,…

A: Microscopic field refers to the maximum visible area when looked through the eyepiece of the…

Q: Why dry seeds donot germinate?

A: Seed is fertilized ovule which has capacity to form new plant from it. A typical seed has radicle…

Q: In which specific area in the leaf does the dark reaction occur? In what area do the light reactions…

A: Sun is the source of all energy on earth. The energy of the Sun is used in all possible ways by  the…

Q: Photoperiodism is effected by which color of light?

A: Photoperiodism is the duration of light required by plants for photosynthesis.

Q: What would happen if you gave these plants a brief exposure to darkness in the middle of the…

A: Phytochrome is a receptor in a plant that accepts the red and far-red light coming from the sun. It…

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: Explain why leaves appear green ?

A: Leaves are the aerial parts of a plant.

Q: What are cotyledons?

A: Spermatophytes are the seed-producing plants and produce seeds which in turn are dispersed and…

Q: Ginger undergoes three (3) stages of Growth. Name and describe the these stages from Germinating…

A: Introduction:- Ginger is a perennial herb. It is used as a spice in many dishes. In Ginger…

Q: What color is the gametophyte?

A: Gametophytes is haploid multicellular organism.It develops from spore.It is the sexual phase in life…

Q: Does lemon have endosperm?

A: Please follow step 2 for detailed explanation.

Q: Why green leaves are thin and broad?

A: Leaves are the important food producing and storage organ of the plant.The green color of the leaf…

Q: What is the habit of growth of stem of (a.) carrots (b.) ginger?

A: The parts of plants are classified as root system and shoot system. Stems are a part of the shoot…

Q: Why do you think collechyma is not present in the root?

A: Collenchyma cells are long cylindrical shaped cells with thick cell walls which is not uniform…

Q: Why do some trees lose their green color in the autumn?

A: Plants are multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. They have…

Q: What is endosperm?

A: The embryonic plants enclosed by an outer covering is called seeds. The outer covering protects the…

Q: What compound gives color to leaves at different stages of the leaf cycle?

A: The leaf color is determined by the presence of specific treatment molecules within the plastids.…

Q: What is the cuttin covering on the leaves?

A: Leaves are the aerial parts of plants. The uppermost surface of the leaves is called the epidermis.…

Q: What plant is this?

A: Aglaonema - Commonly know as Chinese evergreen.It's  genus of flowering plants  and belongs to arum…

Q: When you cut open the plant (Celery) , which regions of the plant did you see the food coloring?…

A: When celery is placed in colored water , the small vessels in the celery stalks carry the water and…

Q: What causes water bloom?

A: Eutrophication is a natural process that occurs gradually over time but can be accelerated by the…

Q: Why is light important in the production of new plants from cuttings?

A: Plants are mainly multicellular organisms that are predominantly eukaryotic and photosynthetic and…

Q: Why do deciduous plants lose their leaves in the fall?

A: Deciduous trees lose their leaves before winter to conserve water loss.

Q: What is pericarp?

A: The fruit is the characteristics feature of the flowering plants. It is a mature or ripened ovary,…

Q: Why some plants flower in winter while some flower in winter?

A: Flowers growing at a particular time in a year are known as seasonal flowers. These are annual…

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: Why do some seeds undergo a period of dormancy, and how do they break dormancy?

A: Introduction: Seeds germinate at a favorable time and location to develop and survive as seedlings.…

Q: what do the seeds of prickly poppy look like

A: Prickly poppy is also known as Argemone mexicana which belongs to the family of papaveraceae. It is…

Q: What part of the cacao seed is used to produce chocolate liquor?

A: Cacao bean is the entire seed after removing the seed coat.  It is a complex process with delicious…