Question 11 MarkWrite the names of any two insectivorous plants.Answer1. Bladderwort, 2. Venus Flytrap.View full question & answer→
Question 21 MarkWrite the names of two non-cellular organisms.Answer1. Virus, 2. Viroid.View full question & answer→
Question 31 MarkIn which area lichens do not grow?AnswerLichens do not grow in polluted areas.View full question & answer→
Question 41 MarkLichens are very good indicators of what?AnswerLichens are very good indicators of pollution.View full question & answer→
Question 51 MarkWhat are the most notable diseases caused by prions in cattle?AnswerThe most notable diseases caused by prions are bovine spongiform encephalopathy (BSE) commonly called mad cow disease in cattle.View full question & answer→
Question 61 MarkWrite the names of any two virus caused diseases.Answer1. Influenza, 2. AIDS.View full question & answer→
Question 71 MarkViruses did not find a place in classification since they are not considered truly 'living'.AnswerThe genetic material found in viruses can be RNA or DNA.View full question & answer→
Question 81 MarkWhy is the name of the virus not in the classification?AnswerViruses did not find a place in classification since they are not considered truly 'living'.View full question & answer→
Question 91 MarkWhy are deuteromycetes called imperfect fungi?AnswerDeuteromycetes are known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.View full question & answer→
Question 111 MarkWrite the name of the most notorious species of Sporozoa group.AnswerPlasmodium (malaria) is the most notorious parasite species of the Sporozoans.View full question & answer→
Question 121 MarkHow many flagella are found in dinoflagellates?AnswerTwo flagella are found in dinoflagellates.View full question & answer→
Question 131 MarkWrite the names of any two diseases caused by bacteria.Answer1. Typhoid, 2. Cholera.View full question & answer→
Question 141 MarkBy which specific cells can Nostoc and Anabaena fix environmental nitrogen?AnswerNostoc and Anabaena can fix environmental nitrogen by specialised cells called heterocysts.View full question & answer→
Question 151 MarkWhich gas is produced from the dung of ruminant animals?AnswerMethane (biogas) is produced from the dung of ruminant animals.View full question & answer→
Question 161 MarkUnder which kingdom do all bacteria come?AnswerAll bacteria come under the kingdom Monera.View full question & answer→
Question 171 MarkThe word virus is taken from Latin language, which means?AnswerThe word virus is derived from Latin, which means "venom or poisonous fluid",View full question & answer→
Question 181 Mark"Viruses viruses could be crystallised." Whose statement is this?AnswerThis statement was made by W.M. Stanley.View full question & answer→
Question 191 MarkScientists who first name the virus.AnswerDmitri Ivanovsky (1892) first named virus.View full question & answer→
Question 201 MarkTwo distinct stages are found in the life cycle of a plant. Write the names of the stages.Answer(1) Diploid sporophyte, (2) Haploid gametophyte.View full question & answer→
Question 211 MarkIn which experiments Neurospora is used?AnswerNeurospora is used in biochemical and genetic experiments.View full question & answer→
Question 221 MarkWhich class of fungi are called sac fungi ?AnswerFungi of Ascomycetes class are called sac fungiView full question & answer→
Question 231 MarkWhite spots on mustard leaves are caused by which parasitic fungus?AnswerWhite spots on mustard leaves are caused by the parasitic fungus Albugo.View full question & answer→
Question 241 MarkWhat is the cell wall of fungi made of?AnswerFungi cell wall is made of chitin and polysaccharide.View full question & answer→
Question 251 MarkWrite any one use of diatom soil.AnswerDiatom soil is used in polishing.View full question & answer→
Question 261 MarkWrite the name of the element found in the cell wall of diatom.AnswerThe name of the element found in the cell wall of diatom is silica.View full question & answer→
Question 271 MarkWrite the name of such living organisms in which cell wall is not found at all.AnswerMycoplasmas are organisms in which cell wall is not found at all.View full question & answer→
Question 281 MarkWhich type of chlorophyll is found in cyanobacteria (blue green algae)?AnswerChlorophyll 'a' is found in cyanobacteria (blue green algae).View full question & answer→
Question 291 MarkWhat are specific types of bacteria called?AnswerSpecific types of bacteria are called archaebacteriaView full question & answer→
Question 301 MarkWhat are comma-shaped bacteria called?AnswerComma shaped bacteria are called Vibrio.View full question & answer→
Question 311 MarkBy which scientist was the method of classification of five kingdoms proposed?AnswerR.H. Whittaker proposed the method of five kingdom classificationView full question & answer→
Question 321 MarkWhich method was developed for classification of all plants and animals during the time of Linnacus?AnswerIn the time of Linnaeus, the two-kingdom system was developed for the classification of all plants and animals.View full question & answer→