Description : Which of the following statements is correct? (a) Ovules are not enclosed by ovary wall in gymnosperms. (b) Selaginella is heterosporous, while Salvinia is homosporous. (c) Horsetails are gymnosperms. (d) Stems are usually unbranched in both Cycas and Cedrus.
Last Answer : (a) Ovules are not enclosed by ovary wall in gymnosperms.
Description : Which of the following statement is correct ? (1) Ovules are not enclosed by ovary wall in gymnosperms (2) Selaginella is heterosporous, while Salvinia is homosporous (3) Horsetails are gymnosperms (4) Stems are usually unbranched in both Cycas and Cedrus
Last Answer : (1) Ovules are not enclosed by ovary wall in gymnosperms
Description : The tissue which attaches the ovules inside the ovary is
Last Answer : The tissue which attaches the ovules inside the ovary is A. Funicle B. Hilum C. Placenta D. Chalaza
Description : The floral part that receives pollen grains during pollination is - (1 ovary (2) style (3) stigma (4) ovules
Last Answer : (3) stigma Explanation: The stigma is the receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower. The stigma receives pollen at pollination and it is on the stigma that the pollen grain germinates. The style connects the stigma to the ovary.
Description : Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm
Last Answer : (a) Ovules develop into embryo sac.
Description : Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is (a) free central (b) basal (c) axile (d) parietal.
Last Answer : (d) parietal.
Description : The floral part that receives pollen-grains during pollination is (1) ovary (2) style (3) stigma (4) ovules
Last Answer : stigma
Description : A circuit breaker differs from a fuse in that a circuit breaker _____________. A. melts and must be replaced B. is enclosed in a tube of insulating material with metal ferrules at each end C. gives no visual indication of having opened the circuit D. trips to break the circuit and may be reset
Last Answer : Answer: D
Description : Winged pollen grains are present in (a) mustard (b) Cycas (c) mango (d) Pinus
Last Answer : (d) Pinus.
Description : 2.Which of the following organism shows zygotic meiosis? (a) Nephrolepis, b)Pinus, c) Spirogyra d) mango)
Last Answer : c) Spirogyra
Description : Winged pollen grains are present in (1) Mustard (2) Cycas (3) Mango (4) Pinus
Last Answer : (4) Pinus
Description : what fruit looks like a dark green tomatoe with small seeds and is enclosed in what looks like wilted leaves?
Last Answer : Sounds like tomatillo
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 : Plants with ovaries having only one or a few ovules, are generally pollinated by (a) bees (b) butterflies (c) birds (d) wind.
Last Answer : d) wind.
Description : Plants with ovaries having only one or a few ovules, are generally pollinated by:a) Birdsb) Windc) Beesd) Butterflies
Last Answer : b) Wind
Description : Bearing habit of mango is
Last Answer : Ans. Terminal
Description : Bearing habit of mango is a. Terminal b. Lateral c. Axillary d. Basal
Last Answer : Terminal
Description : sweet gum tree with dried brown leaves and a spot on the trunk where it's bleeding sap, wood still green.
Last Answer : Need Answer
Description : Chlorenchyma is known to develop in the (a) cytoplasm of Chlorella (b) mycelium of a green mould such as Aspergillus (c) spore capsule of a moss (d) pollen tube of Pinus.
Last Answer : (c) spore capsule of a moss
Description : is it possible for me to grow a green mango tree?
Last Answer : At 40 degrees it will go dormant.......................at 32 degrees it will freeze & die. This is a tropical tree that is grafted. You might be able to grow it in a sunny closed porch that does not freeze, or a sun room or greenhouse. Oregon is too cold & snow & ice would kill it.
Description : Which of the following tree is commonly used in the landscape of arid zone? a. Ficus benjamina b. Pethocelobium dulce c. Pinus longifolia d. Prosopis juliflora
Last Answer : Prosopis juliflora
Description : What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays
Last Answer : Ans. ((a))
Description : Transfusion tissue is present in the leaves of (a) Pinus (b) Dryopteris (c) Cycas (d) both (a) and (c).
Last Answer : (d) both (a) and (c).
Description : Select the correct statement. (a) Sequoia is one of the tallest trees. (b) The leaves of gymnosperms are not well adapted to extremes of climate. (c) Gymnosperms are both homosporous and heterosporous. (d) Salvinia, Ginkgo and Pinus all are gymnosperms.
Last Answer : (a) Sequoia is one of the tallest trees.
Description : Which one of the following is a fact about Pinus leaves? a. Leaf dimorphism b. Dorsi-ventrally flat leaves c. Succulent leaves d. Broad lamina
Last Answer : a. Leaf dimorphism
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 : Self fertility refers to the ability of a variety to produce fruits with viable ___: a. Pollens b. Seeds c. Ovules d. Ovaries
Last Answer : Seeds
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 : The abortive female flower in the male cone of Gnetum can be distinguished from the normal ovules of the female cone apart from its function by the presence of …. a) no envelops b) single envelope c) two envelopes d) several envelops.
Last Answer : b) single envelope
Description : The ovules in gymnosperms are.... a)ategmic b)unitegmic c)bitegmic d)(b)or(c)
Last Answer : d)(b)or(c)
Description : why are the new leaves on my mango tree is curling and the edges turning brown then became dried
Description : Some one gave me a mango tree and it is growing red leaves. Is that a mango tree?
Description : How could adyeing mango tree saved after the leaves and brances turn brown?
Last Answer : Sounds like frost hit it..............it goes dormant at 40 and at 32 it will die. This is a tropical plant.
Description : I am considering having my remaining ovary removed due to painful cysts and going on hormone replacement therapy- has anyone been in a similar situation and how did it go?
Last Answer : If you do hormone replacement do bio identical hormones. Premarin made me crazy!
Description : Please help identify- Sprawling habit, pairs oval leaves, pink 1" sgle blooms , bracts
Last Answer : I looking for the name of a shrub with very tiny clumps of berries, it grows in the mountains of the okanagan. about 4 ft. high larger green leaves.
Description : Suppose a student is a chain smoker and generally he leaves the period or comes late due to smoking, How would you like to compromise with such a student in the class? Options: A) Applying ... him on assembly ground C) Expelling him from the school D) Sharing the habit and become friendly
Last Answer : A) Applying suggestive measures in a isolator conditions
Description : How would you change the behaviour of a tobacco addict student in the class? Options: A) You will counsel him for few weeks and provide the literature having harmful impacts of it on one's health B) ... ) You report to his parents D) You do not take any action as you your self have this habit
Last Answer : You will counsel him for few weeks and provide the literature having harmful impacts of it on one's health
Description : Male Ascaris differs from female in having
Last Answer : Male Ascaris differs from female in having A. Lips B. Amphids C. Pineal spicules D. Tail
Description : Pulmonary artery differs from pulmonary vein in having
Last Answer : Pulmonary artery differs from pulmonary vein in having A. Thick wall B. Thin wall C. Valves D. Both (2) and (3)
Description : The venous system of frog differs from that of rabbit in having
Last Answer : The venous system of frog differs from that of rabbit in having A. Renal portal system B. ... system C. Three superior venacava D. hepatic vein
Description : Sperm differs from egg in having :-
Last Answer : Sperm differs from egg in having :- A. Power of motility B. No stored food C. More in numbers D. All of the above
Description : Periplaneta americana differs from Blatta orientalis in having
Last Answer : Periplaneta americana differs from Blatta orientalis in having A. Well developed wings B. Wings ... wings develped D. Second pair wing developed
Description : The primary dentition in human differs from permanent dentition in not having one of the following type of teeth
Last Answer : The primary dentition in human differs from permanent dentition in not having one of the following type ... Incisors B. Canine C. Premolars D. Molars
Description : Monocot root differs from dicot root in having (a) Open vascular bundles (b) Scattered vascular bundles (c) Well developed pith (d) Radially arranged vascular bundles
Description : Monocot root differs from dicot root in having?
Last Answer : well developed pith
Description : Deuterium differs from Hydrogen in having: A. Different atomic number but same atomic weight B. Different atomic number and different atomic weight C. Same atomic number and different atomic weight (Answer) D. None
Last Answer : C. Same atomic number and different atomic weight (Answer)
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 : The primary dentition in human differs from permanent dentition in not having one of the following type of teeth. (a) Molars (b) Incisors (c) Canines (d) Premolars
Last Answer : (d) Premolars
Description : Heartwood differs from sapwood in (a) presence of rays and fibres (b) absence of vessels and parenchyma (c) having dead and non-conducting elements (d) being susceptible to pests and pathogens.
Last Answer : (c) having dead and non-conducting elements