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 : I sleep by day, I fly by night. I have no feathers to aid my flight.What am I? -Riddles
Last Answer : I am a Bat.
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 : Impotance of day length ( photoperiodism ) in flowering of plants was first shown in
Last Answer : Impotance of day length ( photoperiodism ) in flowering of plants was first shown in A. Cotton B. Petunia C. Lemna D. Tobacco
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 : In wild life Forensics, identification of animals done by (a). Grouping (b). Feathers (c). Twigs (d). Pug marks
Last Answer : Ans: (d). Pug marks
Description : Flowering in water melon is unaffected by light duration as it is: a. Short day long night plant b. Long day short night plant c. Day neutral plant d. None of the above
Last Answer : Long day short night plant
Description : Flowering in water melon is unaffected by light duration as it is: a. Short day long night plant b. Long day short night plant c. Day neutral plant d. None of the abov
Description : I have feathers that help me fly; with head and body but I'm not alive. Very skinny and a fixed length, how far I go depends on.
Last Answer : Arrow
Description : An Equinox is when: (1) Day and night are of equal length (2) Day is of the shortest duration during the year (3) Day is of the longest duration in the year (4) Day when maximum rainfall of the year occurs
Last Answer : (1) Day and night are of equal length Explanation: An equinox is an astronomical event in which the plane of Earth's equator passes through the center of the Sun, which occurs twice each year, ... . They are not exactly equal, however, due to the angular size of the sun and atmospheric refraction.
Last Answer : Day and night are of equal length
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 : In the mesophyll cells of CAM plants, `CO_(2)` fixation during the night day occurs through
Last Answer : In the mesophyll cells of CAM plants, `CO_(2)` fixation during the night day occurs ... carboxylase D. Both RuBP carboxylase and PEP carboxylase
Description : How much time would it take to grow enough plants on Mars so that it would create enough oxygen for animals, organisms and humans breath without the aid of an enclosed ecosystem?
Last Answer : The bigger problem is the lack of water on Mars. Hard to grow plants with no water. Yes, there’s some water on Mars, but not anywhere near enough to grow and sustain sufficient plant life.
Description : Man can maintain an ecological balance in the biosphere by- (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms
Last Answer : (4) understanding the delicate balance in the relative number of organisms Explanation: Ecological balance is a state of dynamic equilibrium within a community of organisms in which genetic ... this balance, the delicate balance between the organisms constituting and ecosystem should be understood.
Description : Biosphere refers to - (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans ... land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms
Last Answer : (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms Explanation: The biosphere is the global ecological system integrating all living beings ... up of the parts of Earth where life exists. It is the worldwide sum of all ecosystems.
Description : Saprophytes are the organisms which depend for food on – (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds
Last Answer : (3) dead and decaying material Explanation: Saprophytes are the organisms which depend for food on dead and decaying material.
Description : The natural environment refers to - (1) The living organisms and non-living objects or factors in an area undisturbed by human activity (2) The atmosphere in a forest (3) The plants and animals in a forest (4) The atmosphere of an area-a forest, lake or an ocean
Last Answer : (1) The living organisms and non-living objects or factors in an area undisturbed by human activity
Description : Saprophytes are the organisms which depend for food on (1) living plants (2) living animals (3) dead and decaying material (4) inorganic chemical compounds
Last Answer : dead and decaying material
Description : Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms
Last Answer : the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms
Description : Man can maintain an ecological balance in the biosphere by (1) deforestation (2) developing new breeds of cultivated plants and domesticated animals (3) using insecticides and pesticides (4) understanding the delicate balance in the relative number of organisms
Last Answer : understanding the delicate balance in the relative number of organisms
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
Last Answer : Ans:(c)
Description : What is common between vegetative reproduction and apomixis? (a) Both are applicable to only dicot plants. (b) Both bypass the flowering phase. (c) Both occur round the year. (d) Both produce progeny identical to the parent.
Last Answer : (d) Both produce progeny identical to the parent
Description : .A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises (a) gymnosperms and flowering plants (b) pteridophytes and gymnosperms (c) gymnosperms only (d) bryophytes and pteridophytes
Last Answer : d) bryophytes and pteridophytes.
Description : Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening carbon dioxide diffuses into the plant during photosynthesis. Reason out the above ... Both processes can happen together because the diffusion coefficient of water and CO2 is different
Last Answer : (d) Both processes can happen together because the diffusion coefficient of water and CO2 is different
Description : Assertion : Dark acidification of cytoplasm occurs in CAM plants. Reaon : Orgnaic acids are decarboxylated during night.
Last Answer : Assertion : Dark acidification of cytoplasm occurs in CAM plants. Reaon : Orgnaic acids are ... . If both Assertion and Reason are false.
Description : Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (1) Darwin's Finches of Galapagos islands. (2) Herbicide resistant weeds. (3) Drug ... ) (b) (1) and (3) (c) (2), (3) and (4) (d) only (4)
Last Answer : (c) (2), (3) and (4)
Description : 104 Nitrogen occurs in plants and animals in the form of_____. A. Minerals B. Fats C. Carbohydrates D. Proteins
Last Answer : ANSWER: D
Description : Plants Nitrogen occurs in plants and animals in the form of_____. A. Minerals B. Fats C. Carbohydrates D. Proteins
Description : Nitrogen Nitrogen occurs in plants and animals in the form of_____. A. Minerals B. Fats C. Carbohydrates D. Proteins
Description : Nitrogen occurs in plants and animals in the form of_____. A. Minerals B. Fats C. Carbohydrates D. Proteins
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
Last Answer : answer:
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 : 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