4951 + Interview Questions in Biology in Class 10 Page 39 InterviewSolution

1901.	Question : Stanley Miller conducted an experiment to demonstrate that simple organic molecules like amino acids could be produced if an electric discharge is passed through a mixture of such gases as might have been present in the atmosphere of early earth. The gaseous mixture he used in the experiment comprised
Answer» METHANE, ammonia, HYDROGEN, WATER vapours methane, NITROGEN, hydrogen, water vapours ammonia, CARBON dioxide, nitrogen, water vapours methane, ammonia, nitrogen, water vapours Answer :A

Discussion

1902.	Question : Stamen in flower:a.They produce new seeds.b.They produce new fruit.c.They produce pollen grains.d.They develops fertilised ovum.
Answer» They PRODUCE NEW seeds. They produce new FRUIT. They produce pollen grains. They develops fertilised ovum. Answer :A::C::D

Discussion

1903.	Question : Stalkof theovuleis calledpedicel.
Answer» SOLUTION :CORRECT STATEMENT: STALK of the OVULE is called funiculus.

Discussion

1904.	Question : Stage in a woman when menstrual cycle ceases,
Answer» Menarch Puberty Menopause Ovulation Answer :C

Discussion

1905.	Question : Spraying of oil upon stagnant water controls mosquito population, because
Answer» mosquito larvae cannot breathe water becomes IMPURE for mosquitoes oil KILLS MALARIAL parasites in mosquitoes specific gravity of water INCREASES Answer :A

Discussion

1906.	Question : Spores play an important role in reproduction only.
Answer» SOLUTION :FALSE - In REPRODUCTION as WELL as PERENNATION.

Discussion

1907.	Question : Spore producing sori are located on the under - surface of levels of
Answer» MONOCOT sporophytes ferm sporophytes liverwot gametophyte ferm gametophyte Answer :B

Discussion

1908.	Question : Spirogyra is commonly known as pond silk due to its
Answer» filamentous STRUCTURE silklike texture spiral CHLOROPLAST presence in ponds ANSWER :B

Discussion

1909.	Question : Spirogyra is commonly called Pond Silk be cause
Answer» SILK is MANUFACTURED from it it looks like a silk thread it is SLIMY to touch all the above Answer :C

Discussion

1910.	Question : Spinal cord passes through
Answer» OBTURATOR FORAMEN CONDYLAR CANAL SPHENOPALATINE foramen foramen magnum Answer :D

Discussion

1911.	Question : Sphagnum has a lot of economic importance. Justify
Answer» Solution :PROVIDE peat used as FUEL : used as PACKING MATERIAL for trans-shipment of LIVING material.

Discussion

1912.	Question : Sperms of Ascaris are
Answer» amoeboid ciliated flagellar multiflagellar Answer :A

Discussion

1913.	Question : Sperms are produced by:
Answer» SEMINAL vesicle Prostate gland Scrotum None of these Answer :C

Discussion

1914.	Question : Sperms are produced in
Answer» Penis Testis Epididymis Vas deferens Answer :B

Discussion

1915.	Question : Sperm are produced in the
Answer» SEMINIFEROUS tubules interstitial cells vas DEFERENS PROSTATE gland Answer :A

Discussion

1916.	Question : Specify the location of the pituitary gland.
Answer» SOLUTION :ATTACHED to the DIENCEPHALON in CEREBRUM

Discussion

1917.	Question : Define species diversity.
Answer» Solution :INNUMERABLE SPECIES of organisms occuring in nature is called species DIVERSITY.

Discussion

1918.	Question : Species A shares ten characteristics with B species, species C shares fifteen characteristics with D. Which of the two pairs share closer relation ?
Answer» Solution :Since more characteristics are SHARED between C and D, therefore they are more CLOSELY RELATED

Discussion

1919.	Question : Speciation takes place when variation occurs with
Answer» MOOD changes death of an organism changes DUE to ACCIDENTS GEOGRAPHICAL isolation Answer :D

Discussion

1920.	Question : Speciation is the evolutionary process by which
Answer» a new gene pool is FORMED evolutionary paths of species converge hybrids species form SHOWS up differences in physical TRAITS ANSWER :A

Discussion

1921.	Question : Sounds above which level are considered hazardous noise pollution?
Answer» Above 80 dB Above 30 dB Above 150 dB Above 120 dB Answer :A

Discussion

1922.	Question : Sound Pollution Control and Prevention Rule was established in 2011.
Answer» Solution :False. Sound pollution CONTROL and Prevention RULE was ESTABLISHED in the year 2000

Discussion

1923.	Question : Sound becomes a hazardous noise pollution if its level is above
Answer» 30 dB 120 dB 80 dB 150 dB ANSWER :C

Discussion

1924.	Question : Sometimes after vigorous exercise you feel cramps in musclesdue to
Answer» non conversion of glucose to PYRUVATE conversion of glucose to pyruvate conversion of pyruvate to ethanol conversion of pyruvate to lactic acid Solution :DUE to LACK of oxygen during exercise anaerobic respiration occurs in MUSCLES, lactic acid produced duringit causes pain and CRAMPS.

Discussion

1925.	Question : Some people say that if we start living as our ancestors, this would conserve energy and our ecosystem. Do you think this idea is feasible ?
Answer» SOLUTION :If we start to live like our ancestors then it would save energy and protect our ECOSYSTEM. For that we should minimise our requirements and we should start living with nature. But this idea is not feasible in present era, because new inventions make the life FASTER and more comfortable. It is difficult to live without such COMFORTS.

Discussion

1926.	Question : Some organisms like plants and animals , but not microorganisms , interact with each other and their physical surroundings.
Answer» Solution :FALSE- All organisms INCLUDING microorganisms interact with each other and their physical SURROUNDINGS.

Discussion

1927.	Question : Some of the importantfossils which have been studied are those of organismsX, Y and Z. X were marine arthropodswhich were commonbetween 400 to 600 million years ago. Y were the invertebrate animals (molluscs)with a flat, coiled, spiralshell which lived in the sea about 180 million years ago. Z are the extinct carnivorousor herbivorous reptiles which appeared on the earth about 250 million years ago and became extinct about 65 million years ago. What are X, Y and Z ?
Answer» ANSWER :X : TRILOBITES ; Y : Ammonites ; Z : Dinosaurs

Discussion

1928.	Question : Some of the chromosomes have an elongated knob-like appendage known as telomere.
Answer» SOLUTION :Some of the CHROMOSOMES have an ELONGATED knob-like appendages KNOWN as SATELLITE.

Discussion

1929.	Question : Some hunters are roaming in the plush green forest of Africa. They spot a deer and kill it. They decide to roast the deer there and them and eat it. When the hunters had just finished enjoying the feast of roasted deer, a lion attacks them. The lion kills one of the hunters and eats his flesh. (a) Write a food chain which provides food to lion in this case. (b)Which animal (other than deer)the lion could look for food if he did not get the hunter as prey ? (c) Which other animal in the forest could have been in place of lion ? (d) How does the above food chain differ from the food chain such as : plants to goat to man ?
Answer» Answer :(a) Plants `to` Deer `to` MAN `to` LION (b) Rabbit (c) Tiger (d) In the above CASE, man is not at the end of food chain but in the case of plants `to` GOAT `to` man, the man is at the end of food chain.

Discussion

1930.	Question : Some effects of SO_(2) and its transformation products on plants include
Answer» CHLOROPHYLL destruction PLASMOLYSIS GOLGI BODY destruction exosmosis Answer :A

Discussion

1931.	Question : Some dinosaurs had feather but could not fly using these feathers. Why ?
Answer» Solution :a) DINOSAURS have HEAVY bones that do not allow them lift their body. b] Their FEATHERS are meant for INSULATION against COLD and not adapted for flight.

Discussion

1932.	Question : Some dinosaurs had fathers althought they could not fly but birds have feathers that help them to fly. In the context of evolutin this means that
Answer» REPTILES have EVOLVED from birds there is no evolutionary connection between reptiles and birds FEATHERS are homologous structure in both the organisms birds have evolved from reptiles Answer :D

Discussion

1933.	Question : Some chemosynthetic bacteria obtain energy by oxidising
Answer» `N_(2)` `CO_(2)` `H_(2)S` `S` ANSWER :C

Discussion

1934.	Question : Some bacteria are not easily killed because of
Answer» chitinous wall capsule and ENDOSPORE formation mesosomes their TOLERANT power ANSWER :B

Discussion

1935.	Question : Sole member of kingdom monera are
Answer» Bacteria Fungi B.G.A Eubacteria Answer :A

Discussion

1936.	Question : Solar energy is a renewable energy. How?
Answer» SOLUTION :Solar ENERGY is RENEWABLE, free SOURCE of energy, that is SUSTAINABLE and totally inexhaustible.

Discussion

1937.	Question : Solar cells convert sunlight directly into .............
Answer» SOLUTION :ELECTRICITY

Discussion

1938.	Question : Soil erosion is more where there is ............
Answer» no RAIN FALL low rainfall rain fall is HIGH none of these Solution : rain fall is high

Discussion

1939.	Question : Soil erosion can be prevented by
Answer» deforestation AFFORESTATION over growing removal of vegetation Solution :Afforestation

Discussion

1940.	Question : Smooth ER is welldeveloped in cellsthat synthesize
Answer» STEROIDS and LIPIDS PROTEINS CARBOHYDRATES all of the above SOLUTION :N/A

Discussion

1941.	Question : Smooth muscle fibres are
Answer» SPINDLE - shaped,UNBRANCHED, non straited multinucleated and involuntary spindleshaped, unbranched, UNSTRIATED, uninucleate and involuntary cylindrical, straited, unbranched, multinucleate and voluntary cylindrical , unbranched, non - STRIATED, multinucleate and involuntary Answer :B

Discussion

1942.	Question : Smog is a combination of
Answer» FIRE and WATER smoke and FOG water and smoke air and waler Answer :B

Discussion

1943.	Question : Smallest energy transfer: secondary consumers to tertiary consumers: largest energy transfer ........
Answer» SOLUTION :PRODUCERS LEVEL

Discussion

1944.	Question : Small piece of root tissue was taken from the rose plant and placed in a nutrient medium. Each root tissue produced a new rose plant. Name the reproductive process involved. What type of genes will be possessed by new rose plant ?
Answer» Solution :This process is called Tissue CULTURE, Genes possessed by new PLANTS will be same as that of PARENT PLANT, resulting in formation of clones.

Discussion

1945.	Question : Small fragments of ____ filament grow into new individuals.
Answer» SOLUTION :SPIROGYRA

Discussion

1946.	Question : Sleeping sickness is transmitted by,
Answer» GLOSSINA SP. PHLEBOTOMUS sp. Aedes sp. Anopheles sp. Answer :A

Discussion

1947.	Question : Skull of man is made up is
Answer» 10 bones 22 bones 30 bones 24 bones Answer :B

Discussion

1948.	Question : Site of respiration in bacteria is
Answer» EPISOME MESOSOME RIBOSOME MITOCHONDRIA SOLUTION :N/A

Discussion

1949.	Question : Site for processing of vision,hearing memory,specech,intelligence and throught is____
Answer» kidney ear brain lungs Answer :C

Discussion

1950.	Question : Sinuses are the body cavities which are called ........................ .
Answer» SOLUTION :HAEMOCOEL

Discussion

Explore topic-wise InterviewSolutions in .

Question : Stamen in flower:a.They produce new seeds.b.They produce new fruit.c.They produce pollen grains.d.They develops fertilised ovum.

Question : Stalkof theovuleis calledpedicel.

Question : Stage in a woman when menstrual cycle ceases,

Question : Spraying of oil upon stagnant water controls mosquito population, because

Question : Spores play an important role in reproduction only.

Question : Spore producing sori are located on the under - surface of levels of

Question : Spirogyra is commonly known as pond silk due to its

Question : Spirogyra is commonly called Pond Silk be cause

Question : Spinal cord passes through

Question : Sphagnum has a lot of economic importance. Justify

Question : Sperms of Ascaris are

Question : Sperms are produced by:

Question : Sperms are produced in

Question : Sperm are produced in the

Question : Specify the location of the pituitary gland.

Question : Define species diversity.

Question : Species A shares ten characteristics with B species, species C shares fifteen characteristics with D. Which of the two pairs share closer relation ?

Question : Speciation takes place when variation occurs with

Question : Speciation is the evolutionary process by which

Question : Sounds above which level are considered hazardous noise pollution?

Question : Sound Pollution Control and Prevention Rule was established in 2011.

Question : Sound becomes a hazardous noise pollution if its level is above

Question : Sometimes after vigorous exercise you feel cramps in musclesdue to

Question : Some people say that if we start living as our ancestors, this would conserve energy and our ecosystem. Do you think this idea is feasible ?

Question : Some organisms like plants and animals , but not microorganisms , interact with each other and their physical surroundings.

Question : Some of the chromosomes have an elongated knob-like appendage known as telomere.

Question : Some effects of SO_(2) and its transformation products on plants include

Question : Some dinosaurs had feather but could not fly using these feathers. Why ?

Question : Some dinosaurs had fathers althought they could not fly but birds have feathers that help them to fly. In the context of evolutin this means that

Question : Some chemosynthetic bacteria obtain energy by oxidising

Question : Some bacteria are not easily killed because of

Question : Sole member of kingdom monera are

Question : Solar energy is a renewable energy. How?

Question : Solar cells convert sunlight directly into .............

Question : Soil erosion is more where there is ............

Question : Soil erosion can be prevented by

Question : Smooth ER is welldeveloped in cellsthat synthesize

Question : Smooth muscle fibres are

Question : Smog is a combination of

Question : Smallest energy transfer: secondary consumers to tertiary consumers: largest energy transfer ........

Question : Small piece of root tissue was taken from the rose plant and placed in a nutrient medium. Each root tissue produced a new rose plant. Name the reproductive process involved. What type of genes will be possessed by new rose plant ?

Question : Small fragments of ____ filament grow into new individuals.

Question : Sleeping sickness is transmitted by,

Question : Skull of man is made up is

Question : Site of respiration in bacteria is

Question : Site for processing of vision,hearing memory,specech,intelligence and throught is____

Question : Sinuses are the body cavities which are called ........................ .