262 + Interview Questions in Biology in Class 8 Page 5 InterviewSolution

201.	Question : What is crop rotation?
Answer» ANSWER :CROP rotatio is the method of REPLENISHING the soil with nutrients by growing different crops alternately.

Discussion

202.	Question : what is combine?
Answer» ANSWER :Combine is a MACHINE used for both THRESHING and HARVESTING.

Discussion

203.	Question : What is chromosome?
Answer» Answer :A thread-like STRUCTURE in NUCLEUS which carry GENES is called CHROMOSOME.

Discussion

204.	Question : What is budding?
Answer» ANSWER :A KIND of asexual REPRODUCTION in which a new individual DEVELOPES from bud, i.e. the small bulges that grow out ofthe parent body is called budding.

Discussion

205.	Question : What is biosphere?
Answer» Answer :Biosphere is that part of the EARTH in which living ORGANISMS EXIST or which supports life.8. What is BIODIVERSITY?

Discussion

206.	Question : What is asexual reproduction?
Answer» Answer :The REPRODUCTION in which only a single PARENT is INVOLVED is CALLED asexual reproduction.

Discussion

207.	Question : What is adolescence ?
Answer» Answer :The period of human life when the body undergoes changes, LEADING to reporductive MATURITY is called adolescence. It begins around the age of 11 and lasts upto 18 or 19 YEARS of age.

Discussion

208.	Question : What is Adam's apple ?
Answer» ANSWER :At puberty, the growing voice BOX in boys can be seen as PROTRUDING PART of the throat is called Adam's apple.

Discussion

209.	Question : What is a plank?
Answer» Answer :A PLANK is an AGRICULTURAL IMPLEMENT used for breaking crumbs in the PLOUGHED field.

Discussion

210.	Question : What is a leveller ?
Answer» ANSWER :A LEVELLER is an agricultural tool used for levelling the soil before SOWING and irrigating the PLOUGHED field.

Discussion

211.	Question : What do you mean by good quality seeds?
Answer» Answer :Good QUALITY SEEDS are CLEAN and healthy seeds of a good variety which give a high YIELD to the farmers.

Discussion

212.	Question : What do you mean by flora ?
Answer» Answer :Flora refers to the plant SPECIES, i.e. trees, plants, HERBS, etc. found in a PARTICULAR AREA.

Discussion

213.	Question : What do you mean by fauna ?
Answer» Answer :Fauna refers to the WILDLIFE, i.e. tiger, ELEPHANT, RHINOCEROS, etc. FOUND in a PARTICULAR area.

Discussion

214.	Question : What do we get from fish?
Answer» Answer :We GET cod liver OIL from FISH which is RICH in vitamin D.

Discussion

215.	Question : What change does deforestation bring about in the soil properties ?
Answer» ANSWER :Due to deforestation, the water HOLDING CAPACITY of the soil REDUCES along with its texture, nutrient, content, ETC.

Discussion

216.	Question : What are weedicides?
Answer» ANSWER :Weedicides are the chemicals that kill the weeds WITHOUT damaging the crops. For EXAMPLE: 2, 4-D etc.

Discussion

217.	Question : What are weeds?
Answer» ANSWER :Unwanted or undesirable plants that grow naturally along with CROPS in the FIELD are called WEEDS.

Discussion

218.	Question : What are viviparous animals?
Answer» Answer :The animals which GIVE BIRTH to YOUNG ones are called viviparous animals. For example, cat, dog,etc

Discussion

219.	Question : What are vacuoles?
Answer» Answer :The blank/space surrounded by a MEMBRANE PRESENT in the cytoplasm are CALLED VACUOLES.

Discussion

220.	Question :What are unicellular organisms?
Answer» Answer :The single-celled ORGANISMS CARRYING out all the metabolic FUNCTIONS are called unicellularorganisms. For EXAMPLE, amoeba, ETC.

Discussion

221.	Question :What are three basic components of a cell?
Answer» Answer :Three BASIC COMPONENTS of a CELL are cell MEMBRANE, CYTOPLASM and nucleus.

Discussion

222.	Question : What are Rabi crops?
Answer» Answer :Crops which are grown in the winter season ,i.e GENERALLY from october to MARCH are CALLED Rabi crops. For EXAMPLE: Wheat,GUM,mustard, etc.

Discussion

223.	Question : What are oviparous animals?
Answer» Answer :The ANIMALS which lay EGGS are called oviparous animals. For example, hen, duck, etc.

Discussion

224.	Question : What are ova?
Answer» ANSWER :The FEMALE GAMETE PRODUCED by the ovum is KNOWN as ova(eggs).

Discussion

225.	Question : What are organelles?
Answer» ANSWER :ORGANELLES are SMALLER COMPONENTS of CYTOPLASM.

Discussion

226.	Question : What are multicellular organisms?
Answer» ANSWER :Organisms made of more than ONE CELL are CALLED muIticellular organisms.For example, HIGHER organisms.

Discussion

227.	Question : What are migratory birds?
Answer» Answer :BIRDS which cover LONG distances to reach another land in search of suitable climatic CONDITIONS are known as migratory birds.

Discussion

228.	Question : What are microorganisms?
Answer» Answer :The LIVING organisms which are very small in size and are unable to be seen with NAKED eye are called microorganisms,For example, bacteria,FUNGI,ETC.

Discussion

229.	Question : What are Kharif crops?
Answer» ANSWER :Crops which are sown in rainy season, generally from JUNE to september are called KHARIF crops . For example: PADDY,MAIZE,cotton, etc.

Discussion

230.	Question : What are growth hormones ?
Answer» ANSWER :Growth harmones are the harmones necessary for the NORMAL growth of a PERSON and it is secreated by the pituitary GLAND,

Discussion

231.	Question : What are fertilisers?
Answer» Answer :Fertilisers are chemical substances RICH in a particular NUTRIENT. For example: urea, suerphosphate, NPK, ETC.

Discussion

232.	Question : What are crumbs?
Answer» ANSWER :The big PIECES of soil in the ploughed field are CALLED CRUMBS.

Discussion

233.	Question : What are chloroplasts?
Answer» ANSWER :The green- COLOURED plastids are KNOWN as chloroplasts.

Discussion

234.	Question : What are buds?
Answer» ANSWER :Buds are the SMALL BULGES which glow out of the body of parent organism anddevelop into new individuals. For example,hydra develops buds for REPRODUCTION.

Discussion

235.	Question : What are agricultural practices ?
Answer» ANSWER :The several activities UNDERTAKE by farmers to cultivate the crops overperiod of TIME

Discussion

236.	Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. Is thete any difference in the nutritional value of fertilised and unfertilised eggs?
Answer» ANSWER :No, there is no DIFFERENCE in the nutritional value of FERTILISED and UNFERTILISED eggs.

Discussion

237.	Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. Can you consume fertilised eggs?
Answer» Answer :Yes, We can consume FERTILISED EGGS,but it is ALWAYS better to CHECK whether the foetus has grown or not.

Discussion

238.	Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. Are the eggs that we get in the stores fertilised or unfetilised?
Answer» ANSWER :The EGGS we GET in the STORES are UNFERTILISED.

Discussion

239.	Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. How can you obtain fertilised and unfertilised eggs?
Answer» Answer :We can OBTAIN unfertiliserd EGGS from market. One can GET fertilised eggs from the POULTRY, or the HATCHERY or the farmer.

Discussion

240.	Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. Do hens lay unfertilised egg?
Answer» ANSWER :Yes,HENS LAY UNFERTILISED egg.

Discussion

241.	Question : Try to recall reproduction in plants which you studied in class VII. You will remember that plants that reproduce sexually have male and female reproductive parts. Can you name these parts?
Answer» ANSWER :The MALE reproductive part is androecium and the FEMALE reproductive part is GYNOECIUM

Discussion

242.	Question : Tick the correct answer Yeast is used in the production of
Answer» Sugar Alcohol hydrochloric acid Oxygen Answer :A::C

Discussion

243.	Question : Tick the correct answer Carrier of malaria-causing protozoan is
Answer» FEMALE ANOPHELES mosquito cockroach housefly butterfly Answer :A

Discussion

244.	Question : Tick the correct answer The process of conversion of sugar into alcohol is called
Answer» NITROGEN fixation moulding fermentation infection Answer :A

Discussion

245.	Question : Tick the correct answer The most common carrier of communicable diseases is
Answer» ant housefly dragonfly spider

Discussion

246.	Question : Tick the correct answer The bread or idli dough rises because of
Answer» heat grinding growth of YEAST cells kneading Answer :A::C

Discussion

247.	Question : Tick the correct answer The following is an antibiotic
Answer» SODIUM bicarbonate Streptomycin Alcohol Yeast Answer :C

Discussion

248.	Question : Though sperms are very small in size, each has a head, a middle piece and a tail. Does it appear to be a single cell?
Answer» ANSWER :Yes, each sperm is a SINGLE CELL COMPRISING all the essential components of a cell.

Discussion

249.	Question : The zygote divides repeatedly to give rise to _____
Answer» embryo foetus a BALL of cells ova Answer :C

Discussion

250.	Question :The records of_______ are kept in Red Data Book.
Answer» EXTINCT SPECIES threatened species endemic species endangered species ANSWER :D

Discussion

Explore topic-wise InterviewSolutions in .

Question : What is crop rotation?

Question : what is combine?

Question : What is chromosome?

Question : What is budding?

Question : What is biosphere?

Question : What is asexual reproduction?

Question : What is adolescence ?

Question : What is Adam's apple ?

Question : What is a plank?

Question : What is a leveller ?

Question : What do you mean by good quality seeds?

Question : What do you mean by flora ?

Question : What do you mean by fauna ?

Question : What do we get from fish?

Question : What change does deforestation bring about in the soil properties ?

Question : What are weedicides?

Question : What are weeds?

Question : What are viviparous animals?

Question : What are vacuoles?

Question :What are unicellular organisms?

Question :What are three basic components of a cell?

Question : What are Rabi crops?

Question : What are oviparous animals?

Question : What are ova?

Question : What are organelles?

Question : What are multicellular organisms?

Question : What are migratory birds?

Question : What are microorganisms?

Question : What are Kharif crops?

Question : What are growth hormones ?

Question : What are fertilisers?

Question : What are crumbs?

Question : What are chloroplasts?

Question : What are buds?

Question : What are agricultural practices ?

Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. Is thete any difference in the nutritional value of fertilised and unfertilised eggs?

Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. Can you consume fertilised eggs?

Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. Are the eggs that we get in the stores fertilised or unfetilised?

Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. How can you obtain fertilised and unfertilised eggs?

Question : Visit a poultry farm. Talk to the manager of the farm and try to find out the answers to the following. Do hens lay unfertilised egg?

Question : Try to recall reproduction in plants which you studied in class VII. You will remember that plants that reproduce sexually have male and female reproductive parts. Can you name these parts?

Question : Tick the correct answer Yeast is used in the production of

Question : Tick the correct answer Carrier of malaria-causing protozoan is

Question : Tick the correct answer The process of conversion of sugar into alcohol is called

Question : Tick the correct answer The most common carrier of communicable diseases is

Question : Tick the correct answer The bread or idli dough rises because of

Question : Tick the correct answer The following is an antibiotic

Question : Though sperms are very small in size, each has a head, a middle piece and a tail. Does it appear to be a single cell?

Question : The zygote divides repeatedly to give rise to _____

Question :The records of_______ are kept in Red Data Book.