281 Following possess bilateral symmetry as larva and radial symmetry as adult: Biology Medium Full question → A Chordata B Hydra C Echinodermata D Hemichordata
282 Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA_________________? Biology Medium Full question → A i & ii B iii & iv C i ii iii & iv D iv only
283 Adult birds normally possess only one functional____________? Biology Medium Full question → A Ureter B Ovary C Lung D Testis
284 Proteins comprise of ___________% of the total dry weight of a cell? Biology Medium Full question → A 40% B 50% C 60% D 70%
285 Double fertilization occurs in_________? Biology Medium Full question → A All plants B All seed plants C Gymnosperms D Angiosperms
286 The one which is incorrect pair? Biology Medium Full question → A Sori – Indusium B Arthrophytes – Jointed C Dichotomous – Vernation D Lycopods – Ground pries
287 The first eukarotes appeared about __________ years ago? Biology Medium Full question → A 1.5 billion B 2.5 billion C 3.5 billion D 4.5 billion
288 Which of the following category is most general with its members lest resembling with each other than the other categries_____________? Biology Medium Full question → A Species B Genus C Family D Order
289 According to Lamarch evolution occurred as the result of__________? Biology Medium Full question → A Natural selection B The theory of recapitulation C Inheritance of acquired characters D Over production
290 Allium cepa is the scientific name of______________? Biology Medium Full question → A Onion B Amaltas C Potato D Tomato
291 The one which can break open a plasmid ring is__________? Biology Medium Full question → A Ligase enzyme B Primase enzyme C Restriction endonuclease D ATP-ase enzyme
292 Which of the Euglenas (a Protoctista) character resembles that of animals______________? Biology Medium Full question → A They can move B They lack cell wall C They do not have chlorophyll D Both a and b
293 Organisms of which of the following kingdom have absorptive mode of nutrition______________? Biology Medium Full question → A Prokaryotae B Protoctista C Animalia D Fungi
294 Five kingdom classification was proposed by_____________? Biology Medium Full question → A Carlous Linnaeus B E-Chatton C Robert Whittaker D Lynn Margulis and Karlene Schwartz
295 The one which is a weed killer is___________? Biology Medium Full question → A IAA B NAA C 2 4-D D GA
296 The discease in which transmembrane carrier for the chloride ion is not produced is__________? Biology Medium Full question → A Hyperchloesterolemia B Cystic fibrosis C Severe combined immunodeficiency syndrome D AIDS
298 Which conjegated molecules play important role in gene expression___________? Biology Medium Full question → A Glycolipids B Glycoproteins C Nucleohistones D None of these
299 A genome is___________? Biology Medium Full question → A Appearance of an individual B Genetic basis of few characters C Full set of genes of an individual D All of these
300 rRNA constitutes ____________% of the total cellular RNA? Biology Medium Full question → A 3-4 % B 10-20% C 80% D 90%