Description : Photoperiodism affects – (1) All of these (2) Flowering (3) Vegetative growth (4) Fruiting
Last Answer : (1) All of these Explanation: Photoperiodism is the developmental responses of plants to the relative lengths of light and dark periods. It affects the vegetative growth as well as ... period, while in yet other species the plant may continue vegetative development indefinitely without flowering.
Description : Importance of day length in flowering of plants was first shown in (a) cotton (b) Petunia (c) Lemna (d) tobacco.
Last Answer : (d) tobacco.
Description : Plants response to the relative length of daylight or darkness is known as: a. long day b. Short day c. Neutral d. Photoperiodism
Last Answer : Photoperiodism
Description : Critical day length photoperiodism. -Biology
Last Answer : answer:
Description : Which of the following is true for photoperiodic? (1) It occurs only in plants (2) It is related to flowering in plants (3) It is related to feathers of animals (4) It is the reaction of organisms to the length of day or night
Last Answer : (4) It is the reaction of organisms to the length of day or night Explanation: Photoperiodism is the physiological reaction of organisms to the length of day or night. The term " ... Because flowers produce seeds, flowering is crucially important for the plant to complete its life cycle.
Description : In short day plants, flowering is induced by (a) photoperiod less than 12 hours (b) photoperiod below a critical length and uninterrupted long night (c) long night (d) short photoperiod and interrupted long night
Last Answer : (b) photoperiod below a critical length and uninterrupted long night
Description : Which of the following is true for photoperiodic ? (1) It occurs only in plants (2) It is related to flowering in plants (3) It is related to feathers of animals (4) It is the reaction of organisms to the length of day or night
Last Answer : It is the reaction of organisms to the length of day or night
Description : What is photoperiodism in plants? -Biology
Description : Movements due to light are shown by (a) Flowering plants (b) Lower plants (c) All land plants (d) All the plants
Last Answer : Ans:(a)
Description : Photoperiodism was first char acterised in
Last Answer : Photoperiodism was first char acterised in A. Tabacco B. Potato C. Tomato D. Cotton
Description : Photoperiodism was first characterised in (a) tobacco (b) potato (c) tomato (d) cotton.
Last Answer : (a) tobacco
Description : Difference between photoperiodism and vernalization. -Biology
Description : Is photoperiodism a tropism? -Biology
Description : Photoperiodism is probably due to synthesis of
Last Answer : Photoperiodism is probably due to synthesis of A. Cytokinins B. Gibberellins C. Auxin D. Florigen
Description : Growth of plant towards light is called? (A)Phototropism (B) Photorespiration (C) Photocromatism (D) Photoperiodism
Last Answer : (D) Photoperiodism
Description : When we migrate from dark to light, we fail to see for sometime but after a time visibility becomes normal. It is example of (a) accomodation (b) adaptation (c) mutation (d) photoperiodism.
Last Answer : (b) adaptation
Description : Phytochrome is involved in (a) phototropism (b) photorespiration (c) photoperiodism (d) geotropism
Last Answer : (c) photoperiodism
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
Description : In plant cells, peroxisomes are associated with (a) photorespiration (b) phototropism (c) photoperiodism (d) photosynthesis.
Last Answer : (a) photorespiration
Description : Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below?
Last Answer : Which is the particular type of drug that is obtained from the plant whose one flowering branch ... -killer B. Hallucinogen C. Depressant D. Stimulant
Description : Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown here? (a) Hallucinogen (b) Depressant (c) Stimulant (d) Pain killer
Last Answer : (a) Hallucinogen
Description : Gibberellic acid induces flowering (a) in short day plants under long day conditions (b) in day-neutral plants under dark conditions (c) in some gymnospermic plants only (d) in long day plants under short day conditions
Last Answer : (d) in long day plants under short day conditions.
Description : What are the small orange spiders on my flowering plants?
Last Answer : Need Answer
Description : Please help me find a list of scientific names for flowering plants?
Last Answer : on your internet browser ask this question List of scientific names for garden plants that have flowers.
Description : I have beautiful large, flowering zuc and pumpkin plants but they wont start fruit? anyway to make that happen?
Last Answer : You probably have male flowers and few if any female flowers. Female flowers have what appears to be the beginnings of the fruit back behind the flower. Male flowers have pointy protrusion in the ... take the sticky pollen from the male flower and deposit it in the center of the female flower.
Description : What are some pretty flowering plants for my yard, to be planted now in Northern Utah?
Description : tips of leaves on my flowering plants are black, too much water?
Description : What is the best weed killer to use for veggies and flowers/flowering plants?
Last Answer : No, what you are asking for does not yet exist. But you can try a weed barrier cloth for your flower beds, but it is not recommended for your garden. -Birdy
Description : What flowering plants will thrive in clay soil?
Description : What are the various types of placentation in flowering plants? -Biology
Description : What is triple fusion in flowering plants? -Biology
Description : Name the male and female gametophytes in flowering plants -Biology
Description : Which component of plants receives stimulus for flowering? -Do You Know?
Description : what are the functions of pistil and stamon in flowering plants?
Last Answer : school is boring and $h#++y
Description : Name two monocarpic plants which show gregarious flowering.
Last Answer : Answer: Bambusa tulda, Melocanna bambusoides.
Description : Why Artificial Organisms Are Reproduced in Non-Flowering Plants ?
Last Answer : As the sexual reproduction of non-flowering plants is not complete, artificial reproduction is done.
Description : Where does meiosis occur in flowering plants ?
Last Answer : Miosis occurs in pollen plants in flowering plants.
Description : Are some flowering plants normally a color other than green If so do these plants contain chlorophyll?
Last Answer : Need answer
Description : How are flowering plants and nonflowering plants alike?
Last Answer : Nonflowering Spore Plants. Mosses and ferns are the other two major types of plants that do not grow flowers. Mosses and ferns reproduce by spores instead of seeds.
Description : In flowering plants the fertilized egg cell becomes a .?
Last Answer : What is the answer ?
Description : A condition in which either pollen is absent or non functional in flowering plants.
Last Answer : Ans. Male Sterility
Description : The effect of light on flowering plants is mediated through a photoreceptor compound. Which of the following is such a compound? (a) Cytochrome (b) Cryptochrome (c) Phytochrome (d) Phycoerythrin
Last Answer : Ans:(c)
Description : Consider the following statements about pollination. 1. Transfer of pollen grains from the anther to ovules in the same flower or a different f lower is called pollination. 2. The pollination by wind is called anemophily. 3. Pollination is a ... 1 and 3 (b) 1, 2 and 4 (c) Only 2 (d) 1, 2, 3 and 4
Description : Our major foods, fibres, spices, fruits and beverage crops are (a) Flowering plants (b) Gymnospermous plants (c) Pteridophytes (d) Bryophytes
Description : Out of 900 reported species of living gym- nosperms; conifers are represented by about 500 species; About 2;50;000 species of an- giosperms (flowering plants) have also been reported in the ... and dominant woodlands in Europe; Asia; North America and mountains such as Himalayas are wooded with?
Last Answer : only conifers
Description : What are the two classes of flowering plants?
Last Answer : They are Monocotyledons or Monocots and Di- cotyledons or Dicots CELL