Description : Plants which produce characteristic pneumatophores and show vivipary belong to : (1) I-Ialophytes (2) Psammophytes (3) Hydrophytes (4) Mesophytes
Last Answer : (1) I-Ialophytes
Description : Root cap is not found n: (a) Mesophytes (c) Hydrophytes (b) Xerophytes (d) Halophytes
Last Answer : Ans. ((c))
Description : Reduction in vascular tissue, mechanical tissue and cuticle is characteristic of (a) mesophytes (b) epiphytes (c) hydrophytes (d) xerophytes.
Last Answer : (c) hydrophytes
Description : Pneumatophores occur in (a) halophytes (b) free-floating hydrophytes (c) carnivorous plants (d) submerged hydrophytes.
Last Answer : (a) halophytes
Description : Pneumatophores occur in (1) Halophytes (2) Free-floating hydrophytes (3) Carnivorous plants (4) Submerged hydrophytes
Last Answer : (1) Halophytes
Description : Thick cuticle, sunken stomates are found in leaves of: (a) Hydrophytes (c) Mesophytes (b) Xerophytes (d) Epiphytes
Last Answer : Ans. ((b))
Description : Air spaces are present in (a) Hydrophytes (b) Xerophytes (c) Mesophytes (d) Al1these
Last Answer : Ans. ((a))
Description : Define communities? Who classified plant communities into hydrophytes, mesophytes and xerophytes.
Last Answer : Ans: Community is a group of different species living under same climatic conditions. They are classified by Warming based on dependence on water
Description : Why is vivipary an undesirable character for annual crop plants? (a) It reduces the vigour of the plant. (b) It adversely affects the fertility of the plant. (c) The seeds exhibit long dormancy. (d) The seeds cannot be stored under normal conditions for the next season
Last Answer : (d) The seeds cannot be stored under normal conditions for the next season
Description : $ Halophytes are those plants which grow in salty soils. Heliophytes are those plants which grown in direct sunlight
Last Answer : $ Halophytes are those plants which grow in salty soils. Heliophytes are those plants which grown in direct ... wrong D. If both As and R are wrong.
Description : Most commonly grown crop plants are included in (a) halophytes (b) Glycophytes (c) Sciophytes (d) Xerophytes
Last Answer : (b) Glycophytes
Description : The presence of air cavities is an adaptation of - (1) Desert plants (2) Trees (3) Water plants (4) Mesophytes
Last Answer : (3) Water plants Explanation: Totally submerged plants are the true water plants or hydrophytes. Because they are truly aquatic they have the greatest number of adaptations to life in ... cavities often extend throughout the leaves and stems of aquatic plants, providing an internal atmosphere.
Description : The presence of air cavities is an adaptation of (1) Desert plants (2) Trees (3) Water plants (4) Mesophytes
Last Answer : Water plants
Description : Psammophytes grow on
Last Answer : Psammophytes grow on A. Rocks B. Sand C. Tree trunks D. Acidic soils
Description : What is Vivipary is
Last Answer : Vivipary is A. Seed germination with subterranean cotyedous B. Seed germination with epiterranean ... the fruit while attached to the plant
Description : Advantage of cleistogamy is (a) no dependence on pollinators (b) vivipary (c) higher genetic variability (d) more vigorous offspring
Last Answer : (a) no dependence on pollinators
Description : The situation in which a plant grows wild is called a. Habitat b. Halophytes c. Helicoids d. Haustorium’s
Last Answer : Habitat
Description : Write an example of Mesophytes?
Last Answer : Cassia fistula; China Rose; Sunflower
Description : Which one of the following is a well-developed tissue present in hydrophytes?
Last Answer : Which one of the following is a well-developed tissue present in hydrophytes? A. Aerenchyma B. Collenchyma C. Stomata D. Root system
Description : Write an example of Hydrophytes?
Last Answer : Hydrilla; Water lily; Lotus Wataediearsiiet
Description : Plant that grow on extremely dry soil are classified under : (A)Thalophytes (B) Hydrophytes (C)Xerophytes (D) Hydroponics
Last Answer : (A)Thalophytes
Description : Collenchyma occurs in the stem and petioles of (a) xerophytes (b) monocots (c) dicot herbs (d) hydrophytes.
Last Answer : (c) dicot herbs
Description : Enumerate the morphological adaptations of Hydrophytes.
Last Answer : Ans: 1. Roots are either absent (Wolffia, Ceratophyllum) or poorly developed (Hydrilla). Rooted hydrophytes have root caps but not others. Free floating hydrophytes may have Root pockets as ... upper surface in Nymphaea, Victoria, Nelumbo. Swollen and spongy petioles in Eichhornia and Trapa.
Description : Name two free floating hydrophytes with offsets.
Last Answer : Ans: Pistia, Eichhornia
Description : What are hydrophytes? Which type of tissue is responsible for buoyancy in hydrophytes?
Last Answer : Ans: Plants that live in water or water rich soils are called as hydrophytes. The tissue that helps in buoyancy is Aerenchyma.
Description : Where those pics belong to I cannot find pics downloaded from Google in gallery but those pics show up in recent files?
Last Answer : They are probably in the folder Downloads. You have to move them from there to where you want to keep them.
Description : Inconspicuous flowers, which produce enormous number of pollens are characteristic feature of
Last Answer : Inconspicuous flowers, which produce enormous number of pollens are characteristic feature of – Wind pollination.
Description : Two plants can be conclusively said to belong to the same species if they
Last Answer : Two plants can be conclusively said to belong to the same species if they A. Have ... D. Look similar and possess identical secondary metabolites
Description : 1. These plants belong to thallophyta and grow upto 100 meters in height.
Last Answer : Identify the following: 1. These plants belong to thallophyta and grow upto 100 meters ... to Chlorophyceae and shows cup-shaped chloroplast.
Description : Pine; fir; spruce; cedar; larch and cy- press are the famous timber-yielding plants of which several also occur widely in the hilly re- gions of India. All these belong to?
Last Answer : gymnosperms
Description : From thermodynamic point to which system the animals and plants belong?
Last Answer : Ans. Open system.
Description : Plants belong to the following category of trophic levels C A. Consumers B. Heterotrophs C. Autotrophs D. Primary consumers
Last Answer : Autotrophs
Description : Green manure plants used by farmers mainly belong to (a) compositae (b) leguminosae (c) solanaceae (d) poaceae
Last Answer : (b) leguminosae
Description : Two plants can be conclusively said to belong to the same species if they (a) have more than 90 percent similar genes (b) look similar and possess identical secondary metabolites (c) have same number of chromosomes (d) can reproduce freely with each other and form seeds.
Last Answer : (d) can reproduce freely with each other and form seeds
Description : In the three domain system, fungi would belong to the _____. a. Eukarya b. Bacteria c. plants d. Archaea
Last Answer : a. Eukarya
Description : To which family the petro plants belong and give an example.
Last Answer : Ans: Petro plants belong to family Euphorbiaceae. Example is Jatropa
Description : Green manure plants used by farmers mainly belong toa) Compositae b) Leguminosae c) Solanaceae d) Poaceae
Last Answer : b) Leguminosae
Description : Which one of the following statements is not characteristic of allosteric enzymes? (A) They frequently catalyze a committed step early in a metabolic pathway (B) They are often composed of subunits (C) They follow Michaelis-Menten kinetics (D) They frequently show cooperativity for substrate binding
Last Answer : Answer : C
Description : The figures (A - D) show four animals. Select the correct option with respect to a common characteristic of two of these animals. (A) (B) (C) (D) (a) (A) and (D) respire mainly through body wall. (b) ... . (c) (A) and (B) have cnidoblasts for self-defence. (d) (C) and (D) have a true coelom
Last Answer : (d) (C) and (D) have a true coelom.
Description : Which of the following is one characteristic of children having authoritarian parents? a. They are cheerful and happy b. They cope well with stress c. They show passive resistance d. They are self-controlled
Last Answer : c. They show passive resistance