Description : Which of the following techniques ar used to create transgenic crops? a. Budding and Grafting in fruit plants b. Cytoplasmic male sterility c. Gene slicing d. Only 1 e. Both 1 and 2 f. Both 2 and 3 g. Both 1 and 3
Last Answer : f. Both 2 and 3
Description : Failure of a viable pollen to grow down the style of the flower of the same variety is called ___________: a. Self sterility b. Self incompatibility c. Self unfruitfulness d. Sterility
Last Answer : Self incompatibility
Description : In pollen development Gametocides induces a problem of: a. Sterility b. Viability c. Fertility d. Mobility
Last Answer : Sterility
Description : The vector of sterility mosaic of pigeonpea
Last Answer : Ans. Mite (Aceria cajani) (5) Groundnut
Description : An important male sterility source of sorghum
Last Answer : Ans. Tift 60
Description : Anther or pollen culture technique is used to obtained
Last Answer : Ans. Haploid plants
Description : A condition in which either pollen is absent or non functional in flowering plants.
Last Answer : Ans. Male Sterility
Description : Removal of the entire tassel (male inflorescence of maize) from the plant before pollen to initiate cross hybridization
Last Answer : Ans. Detasseling
Description : Pollen from a flower of one plant falls on the stigmas of other flowers of the same plant.
Last Answer : Ans. Geitonogamy
Description : When pollen grains from flower of one plant transferred to receptive stigmas of flowers of another plant
Last Answer : Ans. Cross pollination/Allogamy
Description : When pollen grains from an another falls on receptive stigma of the same flowers
Last Answer : Ans. Self pollination
Description : Polyploidy level of testa and pollen mother cell of seed
Last Answer : Ans. 2n
Description : Bt genes are introduced in cotton against the pest
Last Answer : Ans. Cotton Bollworm
Description : Map of genome showing relative positions of genes and or markers on chromosomes
Last Answer : Ans. Genetic map
Description : Characters which are governed/controlled by several genes each having small individual effect.
Last Answer : Ans. Polygenic Traits
Description : A method in which desirable scattered favourable genes are selected in different plants in each generation
Last Answer : Ans. Recurrent selection
Description : Genes for sex-linked traits are located on
Last Answer : Ans. “Y” chromosome
Description : The study of the way in which genes operate and the way in which they are transmitted (heredity) from parents to offsprings
Last Answer : Ans. Genetics
Description : The anti-sterility or anti-reproductory vitamin is:
Last Answer : The anti-sterility or anti-reproductory vitamin is: A. Vitamin `B_(12)` B. Vitamin D C. Vitamin D D. Vitamin A
Description : Anti sterility Vitamin is (A) Vitamin B1 (B) Vitamin B2 (C) Vitamin E (D) Vitamin K
Last Answer : Answer : C
Description : In human beings, vitamin E prevents (A) Sterility (B) Hepatic necrosis (C) Muscular dystrophy (D) None of these
Last Answer : Answer : D
Description : Sterility mosaic and wilt resistant variety of pigeonpea
Last Answer : Ans.Amar, Narendra Arhar 1, Azad
Description : Male sterility promotes: a. Autogamy b. Allogamy c. Homogamy d. Chasmogamy
Last Answer : Chasmogamy
Description : Which of the following is incorrect regarding vasectomy? (a) No sperm occurs in seminal fluid (b) No sperm occurs in epididymis (c) Vasa deferentia is cut and tied (d) Irreversible sterility
Last Answer : (b) No sperm occurs in epididymis
Description : In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result (a) there is high degree of sterility (b) one can conclude that the plant is apomictic (c) self fertilization is prevented (d) there is no change in success rate of fertilization.
Last Answer : (c) self fertilization is prevented
Description : Salpingitis is associated with_______ and can lead to___________ a. Syphilis; Gumma Formation b. Gonorrhea; Sterility c. Chlamydia; Ophthalmia d. Chancroid; Soft Chancre
Last Answer : b. Gonorrhea; Sterility
Description : Which of the following is vector for sterility mosaic of Red gram a. Aphid b. Erophyid mite c. White fly d. Thrips
Last Answer : b. Erophyid mite
Description : Inability of a hybrid to produce viable offsprings is known as a. Hybrid b. sterility c. Hybrid inviability d. Hybrid breakdown e. All of these
Last Answer : a. Hybrid
Description : 17. Deficiency of vitamin B1 causes the disease (1) Sterility (2) Convulsions (3) Beri-Beri (4) Cheilosis
Last Answer : Beri-Beri
Description : What is the principle behind sterility testing? Describe Membrane filtration method for sterility testing.
Last Answer : Principle: Basic principle of sterility test is that if bacteria or fungi are placed in a medium which provides the nutritive material and water and kept at favourable temperature the organism will grow and their presence can be indicated by the turbidity in the clear medium.
Description : Which combination is incorrect (a)Niacin-Pellagra (b)Thiamin-Beriberi (c) Vitamin K-Sterility (d) Vitamin D-Rickets
Last Answer : (c) Vitamin K-Sterility
Description : What is aseptic technique? List the various sources of contamination and explain the sterility test.
Last Answer : Aseptic technique: The method which is used to prevent the access of microorganism during the preparation of parenteral product and their testing are called Aseptic Technique . Sources of contamination: 1) ... the sample is declared to have pass the test and same test is repeated for two times.
Description : Define self sterility. Give an example
Last Answer : Ans: It is failure of germination of pollen grains on the stigma of the same flower. Ex: Orchids, Passiflorea, Abutilon
Description : Is cytoplasmic movement the same as cyclosis? -Biology
Last Answer : answer:
Description : Which cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells? -General Knowledge
Last Answer : The answer is 'Glyoxysomes'
Description : What is meant by cytoplasmic respiration ?
Last Answer : The process of respiration inside the cytoplasm is called cytoplasmic respiration.
Description : What is Hyaloprazum / Cytoplasmic Matrix ?
Last Answer : The semi- liquid , translucent , granular and homogeneous colloidal substance of cytoplasm is called cytoplasm matrix or hyaloplasm .
Description : What is cytoplasmic streaming ?
Last Answer : : The movement of cytoplasm around the cell cavity in plant cells is called cytoplasmic streaming.
Description : $ Inheritance of Kappa particles in Paramecium is type of extra-nuclear inheritance. ! The above process is also called Cytoplasmic inheritance.
Last Answer : $ Inheritance of Kappa particles in Paramecium is type of extra-nuclear inheritance. ! The above process is ... wrong D. If both As and R are wrong.
Description : Assertion : Nucleocytoplasmic ratio decreases in cleavage . Reason : During cleavage , cytoplasmic synthesis is faster than DNA synthesis.
Last Answer : Assertion : Nucleocytoplasmic ratio decreases in cleavage . Reason : During cleavage , cytoplasmic synthesis ... If both Assertion & Reason are False.
Description : Thin cytoplasmic layer is present in middle part of sperm is called :-
Last Answer : Thin cytoplasmic layer is present in middle part of sperm is called :- A. Nebenkern B. Manchette C. Axial filament D. Zensen ring
Description : Eicosanoids mediate inflammation in a variety of ways. Of the following statements, which are true with regard to this? a. Eicosanoids are stored in cytoplasmic granules ... include vasodilatation, vasoconstriction, increased vascular permeability and both chemotaxis and chemoattractant inhibition
Last Answer : Answer: b, d The eicosanoids are derived from arachidonic acid (eicosatetraenoic acid) and consist of prostaglandins, thromboxanes, leukotrienes and lipoxins. The eicosanoids are not ... nervous system d. Mononuclear phagocytes release a variety of proinflammatory cytokines and growth factors
Description : Which of the following statement(s) is/are true concerning the cell function of phagocytosis? a. Phagocytosis is a mechanistically distinct process of endocytosis performed by special cells to take ... known as clathrin d. Phagocytosis is performed only by white blood cells and tissue macrophages
Last Answer : Answer: a Phagocytosis is a specialized form of endocytosis by which large particles are internalized by specialized cells primarily macrophages and neutrophils. To be phagocytosed, particles ... the lumen of the thyroid follicle, thereby releasing the thyroid hormones, thyroxine triiodothyronine
Description : The transport of proteins out of the cell is termed exocytosis. Which of the following statement(s) is/are true concerning this process? a. Secretory vesicles fuse with the plasma membrane b. ... or a neurotransmitter d. A decrease in cytoplasmic calcium occurs as part of the secretion process
Last Answer : Answer: a, b, c Transport vesicles that bud off the Golgi network carry both material to be secreted from the cell and protein destined to become components of the plasma ... but may also involve generation of diacylglycerol or production of cyclic AMP which activate kinases or phosphatases
Description : If therapy with multiple drugs causes induction of drug metabolism in your asthma patient, it will (a) Result in increased smooth endoplasmic reticulum (b) Result in increased rough endoplasmic reticulum ... soluble cytoplasmic fraction (d) Require 3-4 months to reach completion (e) Be irreversible
Last Answer : Ans: A
Description : The mechanism of action of cyclosporine involves (a) Activation of calcineurin (b) Binding to cyclophilin to cause inhibition of a cytoplasmic phosphatase (c) Blockade of interleukin – 2- receptors (d) Inhibition of phospholipase A2 (e) Suppression of bone marrow progenitors
Last Answer : Ans: B
Description : The primary mechanism underlying the resistance of gram-positive organisms to macrolide antibiotics is (a) Methylation of binding sites on the 50S ribosomal subunit (b) Formation of ... ) Formation of drug-inactivating acetyltranferases (e) Decreased drug permeability of the cytoplasmic membrane