Description : 102.Perisperm differs from endosperm in (a) being a diploid tissue (b) its formation by fusion of secondary nucleus with several sperms (c) being a haploid tissue (d) having no reserve food.
Last Answer : (a) being a diploid tissue
Description : 2. Perisperm and endosperm differ in a. Being a diploid tissue b. Being a haploid tissue c. Having no reserve food d. Formation of perisperm by fusion of the secondary nucleus with many sperms
Last Answer : d. Formation of perisperm by fusion of the secondary nucleus with many sperms
Description : Perisperm differs from endosperm in :a)Being a diploid tissueb)Its formation by fusion of secondary nucleus with several sperms c)Being a haploid tissued)Having no reserve food
Last Answer : 3Being a diploid tissue
Description : In groundnut the food/oil reserve is present in (a) epicarp (b) mesocarp (c) endosperm (d) cotyledons.
Last Answer : (d) cotyledons.
Description : The nutritive tissue in the seeds of higher plants is known as - (1) hypocotyl (2) embryo (3) endosperm (4) nucellus
Last Answer : (3) endosperm Explanation: The seed includes three primary regions: the embryo, nutritive tissue, and seed coat. Endosperm is a nutritive tissue that sustains the embryo and seedling. The endosperm may ... the embryo as in many legumes, which use the cotyledons as a food source during germination.
Description : The nutritive tissue in the seeds of higher plants is known as (1) hypocotyl (2) embryo (3) endosperm (4) nucellus
Last Answer : endosperm
Description : Oil reserve of groundnut is present in (a) embryo (b) cotyledons (c) endosperm (d) underground tubers
Last Answer : (b) cotyledons
Description : The portion of axis below the cotyledons in seed is: a. Micropyl b. Hypocotyl c. Epicotyl d. None of above
Last Answer : Hypocotyl
Description : Endosperm like tissue (2n) in seed developing from nucellus is : c. Endospem d. Cotyledom e. Perisperm f. Mericar
Last Answer : Perisperm
Description : Perisperm is (a) remnant of endosperm (b) persistent nucellus (c) peripheral part of endosperm (d) disintegrated secondary nucleus.
Last Answer : (b) persistent nucellus
Description : An example of a seed with endosperm, perisperm, and caruncle is (a) coffee (b) lily (c) castor (d) cotton
Last Answer : (c) castor
Description : The morphological nature of the edible part of coconut is (a) cotyledon (b) endosperm (c) pericarp (d) perisperm.
Last Answer : (b) endosperm
Description : The morphological nature of the edible part of coconut is: (1) Cotyledon (2) Endosperm (3) Pericarp (4) Perisperm
Last Answer : (2) Endosperm
Description : If there are 16 chromosomes in the cell of an angiospermic plant, how many chromosomes are there in the perisperm and endosperm cell
Last Answer : Ans: 16 in perisperm as it is diploid and 24 in endosperm as it is triploid
Description : The role of double fertilisation in angiosperms is to produce (a) cotyledons (b) endocarp (c) endosperm (d) integuments.
Last Answer : (c) endosperm
Description : In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the ... green cotyledons (c) Only wrinkled seeds with yellow cotyledons (d) Only wrinkled seeds with green cotyledons
Last Answer : (d) Only wrinkled seeds with green cotyledons
Description : $ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is triploid in Angiospherms
Last Answer : $ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is ... D. If both As and R are wrong.
Description : The seeds which have separate endosperm: (1) Maize (2) Onion (3) Rice (4) Bean
Last Answer : Ans. ((a))
Description : Which one of the following statements is correct? (a) In tomato, fruit is a capsule. (b) Seeds of orchids have oil-rich endosperm. (c) Placentation in primose is basal. (d) Flower of tulip is a modified shoot.
Last Answer : (d) Flower of tulip is a modified shoot.
Description : Conifers differ from grasses in the (a) formation of endosperm before fertilization (b) production of seeds from ovules (c) lack of xylem tracheids (d) absence of pollen tubes.
Last Answer : (a) formation of endosperm before fertilization
Description : Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because (a) female gametophyte is free and gets dispersed like seeds (b) female gametophyte ... by seed coat (d) embryo develops in female gametophyte which is retained on parent sporophyte.
Last Answer : (b) female gametophyte lacks archegonia
Description : Difference between hypocotyl and epicotyl? -Biology
Last Answer : answer:
Description : Auxin can be bioassayed by (a) potometer (b) lettuce hypocotyl elongation (c) Avena coleoptile curvature (d) hydroponics.
Last Answer : (c) Avena coleoptile curvature
Description : Differentiate between hypocotyl and epicotyl.
Last Answer : Ans: The part of embryonal axis below the cotyledon is known as hypocotyl whereas the part of embryonal axis above the cotyledon is known as epicotyl.
Description : Dry seeds endure higher temperature than germinating seeds as (A) Hydration is essential for making enzymes sensitive to temperature (B) Dry seeds have a hard covering (C) Dry seeds have more reserve food (D) Seedlings are tender
Last Answer : Answer : A
Description : $ Sieve tubes have "P" proteins. ! In gymnosperms, sieve tubes are associated with albuminous cells.
Last Answer : $ Sieve tubes have "P" proteins. ! In gymnosperms, sieve tubes are associated with albuminous cells. A. If ... is wrong D. If both As and R are wrong.
Description : Consider the following statements: (1) The seed of pea is exalbuminous (2) The fruit of peach is drupe (3) The seed of tomato is albuminous (4) The fruit of coconut is berry
Last Answer : Ans. ((b))
Description : Non-albuminous seed is produced in (a) maize (b) castor (c) wheat (d) pea.
Last Answer : d) pea.
Description : Phloem in gymnosperms lacks (a) both sieve tubes and companion cells (b) albuminous cells and sieve cells (c) sieve tubes only (d) companion cells only.
Last Answer : (a) both sieve tubes and companion cells
Description : Phloem in gymnosperms lacks (a) both sieve tubes and companion cells (b) albuminous cells and sieve cells (c) sieve tubes only (d) companion cells only
Description : Which of the following is dicotyledonous albuminous seed — a. Soybean b. Cotton c. Sweet pea d. Castor
Last Answer : d. Castor
Description : Pasteurisation of milk means (A) Removal of fatty and albuminous substance from it (B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics (C) Inhibiting the growth of micro-organisms without killing them (D) None of these
Last Answer : (B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics
Description : Difference between perisperm and pericarp? -Biology
Description : Persistent nucellus in the seed is known as (a) tegmen (b) chalaza (c) perisperm (d) hilum.
Last Answer : (c) perisperm
Description : 1. Perisperm is (a) Ovule wall (b) Ovule coat (c) Persistent nucellus in seed (d) Cotyledon of seed
Last Answer : (c)Persistent nucellus in seed
Description : WHAT IS PERISPERM ?
Last Answer : ANS. THE RESIDUAL NUCELLUS, WHICH PERSISTS IN THE SEEDS IS CALLED AS PERISPERM.
Description : Common functions that cotyledons and nucellus perform? -Biology
Description : $ Cuscuta is dicot plant. ! In cuscuta the cotyledons are absent.
Last Answer : $ Cuscuta is dicot plant. ! In cuscuta the cotyledons are absent. A. If both As and R are correct and R ... R is wrong D. If both As and R are wrong.
Description : Number of cotyledons in Zea mays, Cycas and Pinus respectively are: (a) 1, 2, 4 (b) 1, 2, many (c) 2, 2, many (d) 2, 1, 4
Description : Embryo with two cotyledons are called?
Last Answer : Dicotyledons
Description : The germination of seed in which cotyledons come above ground is a. Epigeal b. Hypogeal c. Epigynous d. Epipetalous
Last Answer : Epigeal
Description : The embryo in sunflower has (a) two cotyledons (b) many cotyledons (c) no cotyledon (d) one cotyledon
Last Answer : a) two cotyledons
Description : Which is correct pair for edible part? (a) Tomato-thalamus (b) Maize-cotyledons (c) Guava-mesocarp (d) Date palm-mesocarp
Last Answer : (d) Date palm-mesocarp
Description : Cotyledons and testa respectively are edible parts in (a) walnut and tamarind (b) french bean and coconut (c) cashew nut and litchi (d) groundnut and pomegranate.
Last Answer : (d) groundnut and pomegranate.
Description : Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characterised features of (a) cycads (b) conifers (c) polypetalous angiosperms (d) gamopetalous angiosperms.
Last Answer : (a) cycads
Description : Cycas has two cotyledons but not included in angiosperms because of (a) naked ovules (b) seems like monocot (c) circinate ptyxis (d) compound leaves.
Last Answer : (a) naked ovules
Description : You find a herbaceous flowering plant growing in your school garden having leaves with parallel venation. Choose the correct additional features the given plant would be possessing. (I) It has no secondary vascular tissues. (II) Its flower ... (2) (I) and (III) (3) (II) and (IV) (4) (III) and (IV)
Last Answer : 1) (I) and (II)
Description : Study the following statements: 1. Tea plants thrive best in alkaline soils with rainfall above 150 cm and temperature between 20 - 30°C 2. The most important stimulant both in tea and coffee is caffeine 3. Wine, a popular alcoholic drink ... true? (a) 1, 3, and 4 (b) 2 and 4 (c) 1 and 4 (d) Only 2
Last Answer : Ans:(a)
Description : Who will keep reserve stock of stamp and stationery a. PSD b. Security Press Nasik c. Central Stamp Store
Last Answer : c. Central Stamp Store
Description : Explain endosperm development in angiosperms. -Biology