Description : Which of the following species of Pinus has trifoliar spur…. a) P. sylvestris b) P. merkusii c) P. gerardiana ' d) P. wallichiana
Last Answer : c) P. gerardiana '
Description : Which of the following species of Pinus is not found in India ............. a) Pinus merkusii b) P. gerardiana c) P. wallichiana d) P. maritima.
Last Answer : d) P. maritima.
Description : The species of Pinus, seeds of which are edible is/ chilgoza comes from: (a) P. roxburghii (b) P. gerardiand (c) P. monophylla (d) P. sylvestris
Last Answer : Ans. ((b))
Description : Cycadeoidea is also known as…. a)Lyginopteris b)Bennettites c) Pinus d)Gnetum
Last Answer : b)Bennettites
Description : Which of the following trees yields hard wood? (A) Deodar (B) Chir (C) Shishum (D) Pine
Last Answer : Answer: Option C
Description : Which of the following trees yields hardwood a) Deodar b) Sheesham*/ c) Chir d) Pine
Last Answer : b) Sheesham*/
Description : Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................----- ... - PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera
Last Answer : Ans. ((a))
Description : What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays
Description : Rubber is commercially obtained from: (a) Euphorbia (b) Betula (c) Hibiscus (d) Pinus
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 : The ovuliferous scale of Pinus is a part of ........... a) megasporophyll b) microsporophyll c) ovule d) dwarf shoot.
Last Answer : c) ovule
Description : The resin duct in Pinus stem represents a................ a)large vacuole b)intercellular space c)lysigenous cavity d)schizogenous cavity.
Last Answer : d)schizogenous cavity.
Description : In Pinus pollination is........... a)anemophilous b)hydrophilons c)zoophilons d)cheriopterous.
Last Answer : a)anemophilous
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 : In certain parts of India, muscular dystrophy is commonly found amongst the poor people because they eat cheap pulse from the plant (a) Pisum satiuvm (b) Lathyrus sativus (c) Cicer arietmum (d) Phaseolus mungo
Description : What is Chakra Species ?
Last Answer : In this figure , the interbreeding populations are represented by colored blocks. Variation can form a circle by bending in front of Klein. In nature some populations are observed ... becomes impossible. The interbreeding populations of this circle were then collectively called chakra species.
Description : The study of interelationship between species and its environment of a forest is called: (a) Autecology (b) Syneocology (c) Forest ecology (d) Co-operation
Description : Individuals of species which occur in a particular area constitute: (a) Flora (b) Fauna (c) Population (d) Flora and fauna
Last Answer : Ans. ((c))
Description : Mary’s biological concept of species is mainly based on: (a) Morphological traits (b) Reproductive isolation (c) Modes of reproduction (d) Morphology and reproduction
Description : In which stage of cell does crossing over occur? What is its role in the origin of species?
Last Answer : Ans: Pachytene of Meiosis. It brings about variations in the off spring. Continuation of these variations for several generations leads to origin of new species.
Description : Basic taxonomic unit is a) Kingdom b) Genus c) Species d) Order
Last Answer : c) Species
Description : For successful grafting, stock and scion shall be a) Of different species b) Of same species c) Of similar groups d) Of different classA
Last Answer : b) Of same species
Description : Roses can grow successfully if stock and scion are a) Of related species b)Of different species c) Of different groups d) Of similar class
Last Answer : a) Of related species
Description : Best wood for wooden sleepers is A. Sal B. Teak C. Deodar D. Chir
Last Answer : B [Teak]
Description : The most valuable timber may be obtained from (A) Chir (B) Shishum (C) Sal (D) Teak
Last Answer : Answer: Option D
Description : The timber having maximum resistance against white ants, is obtained from (A) Chir (B) Shishum (C) Sal (D) Teak
Last Answer : Answer: Option B
Description : In which of the following pairs both trees yield soft wood? (A) Deodar and Shishum (B) Chir and sal (C) Sal and teak (D) Chir and deodar
Description : imber having maximum resistance against white ants is obtained from a) Chir b) Sheesham c) Sal d) Teak*
Last Answer : d) Teak*
Description : Cell ‘A’ with O.P = 10 atm and T.P =5 atm is in contact with cell ‘B’ having O.P = 15 atm and T.P = 12 atm. The flow of water will be: (a) From A to B (b) Equal flow (c) From B to A (d) No flow
Description : The common tree species in Nilgiri hills is – (1) Sal (2) Pine (3) Eucalyptus (4) Teak
Last Answer : (3) Eucalyptus Explanation: Nilgiri mountains are a range of mountains with at least 24 peaks above 2,000 metres (6,600 ft), in the westernmost part of Tamil Nadu state at the ... larger Western Ghats mountain chain making up the southwestern edge of the Deccan Plateau. Eucalyptus is common.
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 : Which of the following is known as a urine factory ?
Last Answer : It is called as a tree making factory.
Description : The process through which the amount of DNA, RNA and protein can be known at a time is called (a) Autoradiography (b) Tissue culture (c) Cellular fractioning (d) Phase contrast microscopy
Description : The process by which the amount of DNA, RNA and protein can be known at a time is: (a) Cell fractionation (b) Autoradiography (c) Phase-contrast microscopy (d) Tissue culture
Description : Various fungi are known to accumulate considerable quantities of divalent metals, e.g. (a) Cd (b) Zn (d) All of these (c) Pb
Last Answer : Ans. ((d))
Description : A plant having two types of haploid structures in its life cycle is known as: (a) Haplobiontic (b) Diplobiontic (c) Haplontic (d) Diplontic
Description : Pmcess of water exudation through hydathodes is known as: (a) Guttation (b) Transpiration (c) Evaporation (d) Bleeding
Description : When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as
Last Answer : When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as – Included phloem
Description : The living cells having thickening at the corners due to deposition of pectin are known as
Last Answer : The living cells having thickening at the corners due to deposition of pectin are known as – Collenchyma cells.
Description : When the diploid embryosac is formed from the cells of nucellus, it is known as
Last Answer : When the diploid embryosac is formed from the cells of nucellus, it is known as – Apospory
Description : The Washington Convention which came into force in 1975 tries to ensure that trade does not endanger the survival of any species. By what acronym is the treaty commonly known?
Last Answer : CITES (Convention on International Trade in Endangered Species)
Description : My pinus nigra is loosing a lot of interior needles. Is it sick
Last Answer : Need Answer
Description : $ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also called hypnospores.
Last Answer : $ Hypnospores are the thick walled resting spores produced in some Algae. ! The megaspores of Pinus are also ... wrong D. If both As and R are wrong.
Description : Give the economic importance of Cycas and Pinus.
Last Answer : Give the economic importance of Cycas and Pinus.
Description : Classify the following into gymnosperms and angiosperms. Wheat, pinus, bean, Cycas
Last Answer : Pinus, Cycas – Gymnosperms Wheat, bean – Angiosperms
Description : Give a detailed note on Pinus?
Last Answer : Habitat: - Pinus is found growing at an altitude of 5000-8000 feet. Structure: - i) It is sporophyte, evergreen and quite tall tree. ii) It consists of extensive root system and strong ... the plant. iv) When it matures the cones open and seeds are set free and dispersed.
Description : Besides paddy fields, cyanobacteria are also found inside vegetative part of (a) Equisetum (b) Psilotum (c) Pinus (d) Cycas
Last Answer : (d) Cycas.
Description : Winged pollen grains are present in (a) mustard (b) Cycas (c) mango (d) Pinus
Last Answer : (d) Pinus.
Description : Which one of the following plants is monoecious? (a) Pinus (b) Cycas (c) Papaya (d) Marchantia
Last Answer : (a) Pinus