4951 + Interview Questions in Biology in Class 10 Page 86 InterviewSolution

4251.	Question : Auxanometer is meant for
Answer» PHOTOSYNTHETIC ACTIVITY GROWTH activity the AMOUNT of auxins respiratory activity Answer :B

Discussion

4252.	Question : What are autotrophs?
Answer» SOLUTION :The organisms which produce thir own FOOD are CALLED autotrophs.

Discussion

4253.	Question : Autotrophic organisms include
Answer» BACTERIA and virus green PLANTS and all bacteria bacteria and fungi green plants and some bacteria Answer :D

Discussion

4254.	Question : Autotrophs
Answer» SOLUTION :ALGAE,FERN

Discussion

4255.	Question : Autosomes in humans are
Answer» 22 PAIRS 23 pairs 43 pairs 11 pairs Answer :A

Discussion

4256.	Question : The autonomic nervous system comprises of sympathetic and _________ nerves.
Answer» SOLUTION :SYMPATHETIC, PARA sympathetic

Discussion

4257.	Question :A.T.P. full expanded name is :
Answer» ACID triphosphate Adenosine triphosphate Acid TRI GASES PHOSPHATE Adeno tri phosphate. Answer :B

Discussion

4258.	Question : ATP formation during photosynthesis is known as
Answer» PHOSPHORYLATION photophosphorylation oxidative phosphorylation substrate LEVEL phosphorylation ANSWER :B

Discussion

4259.	Question : At the stage of puberty in boy there are secondary sexual changes. Which of the following is these?a.Increase in height and weightb.Hair growth in armpitsc.Hair growth in genital aread.Larger and erect penis
Answer» INCREASE in HEIGHT and weight Hair growth in armpits Hair growth in genital area LARGER and erect penis ANSWER :A::C::D

Discussion

4260.	Question : At present we encounter the problem of water shortage, as rainfall is less than average in past three years. Chairman of your society informed the members to reduce the water consumption. He also suggested to make percoting well in the society. How can you store rainwater in any alternative way that protects the water against contamination ?
Answer» SOLUTION :In CLOSE TANK and UNDERGROUND tank.

Discussion

4261.	Question : At present we encounter the problem of water shortage, as rainfall is less than average in past three years. Chairman of your society informed the members to reduce the water consumption. He also suggested to make percoting well in the society. What value does the chairman of society have?
Answer» SOLUTION :The chairman shows RESPONSIBILITY to environment, ESPECIALLY save the water and STORE the water.

Discussion

4262.	Question : At present we encounter the problem of water shortage, as rainfall is less than average in past three years. Chairman of your society informed the members to reduce the water consumption. He also suggested to make percoting well in the society. What are the benefits of percoting well ?
Answer» SOLUTION :The BENEFITS of percoting WELL are: it RECHARGES the underground water, it does not ALLOW the evaporation, it is protected from contamination.

Discussion

4263.	Question : At least a half of the total CO_(2) fixation on earth is carried out through photosynthesis by
Answer» angiosperms gymnosperms algae bryophytes. Answer :C

Discussion

4264.	Question : At higher levels of atmosphere , a layer of methane protects the earth's surface from harmful UV radiations from the sun.
Answer» SOLUTION :FALSE- LAYER of ozone protects the earth.s SURFACE from UV

Discussion

4265.	Question : At high altitude, RBCs of human blood will
Answer» INCREASE in number decrease in number decrease in SIZE increase in size ANSWER :A

Discussion

4266.	Question : Asthma is a respiration disease caused due to
Answer» infection of trachea infection of LUNGS BLEEDING into pleura cavity spasm in bronchial MUSCLES Answer :D

Discussion

4267.	Question : Assertion:RBCplaysan importantrolein the transportof respiratory gases. Reason: RBCdo nothave cell organellsandnucleus .
Answer» If both A and R are TRUE and R is CORRECT EXPLANATION of A If both A and R are true but R is not the correct explanation of A A is true but R is false Both A and R are false Solution : If both A and R are true and R is correct explanation of A

Discussion

4268.	Question : Assertion: Rainwater harvesting is to collect and store rain water. Reason: Rain water can be directed to recharge the underground water source.
Answer» Both ASSERTION and REASON are TRUE and reason is CORRECT EXPLANATION of assertion. Both assertion and reason are true but reason is not the correct explanation of assertion. Assertion is true but reason is false. Both assertion and reason are false. Answer :A

Discussion

4269.	Question : Assertion: Persons with AB blood group are called an universal recipients, because they can receive blood from all groups. Reason: Antibodies are absent in persons with AB blood group.
Answer» If both A and R are TRUE and R is CORRECT EXPLANATION of A If both A and R are true but R is not the correct explanation of A A is true but R is false Both A and R are false Solution : If both A and R are true and R is correct explanation of A

Discussion

4270.	Question : Asseration :Hybrid is superior than either of its parents. Reasons : vigour is lost upon inbreeding.
Answer» ASSERTION is CORRECT and REASON is WRONG Reason is correct and the assertion is wrong Both assertion and reason is correct Both assertion and reason is wrong Answer :A

Discussion

4271.	Question : Assertion: Excretion of excess glucose in urine is observed in a person with diabetes mellitus. Reason: Pancreas is unable to produce sufficient quantity of insulin.
Answer» If both ASSERTION and Reason are true and Reason is the CORRECT explanation of Assertion If both Assertion and Reason are true that Reason is not the correct explanation of Assertion Assertion is true but Reason is FALSE Both Assertion and Reason are false ANSWER :B

Discussion

4272.	Question : Assertion: Energy efficient bulbs like CFL must be used to save electric energy. Reason: CFL bulbs are costlier than ordinary bulbs, hence using ordinary bulbs can save our money.
Answer» Both assertion and reason are TRUE and reason is correct EXPLANATION of assertion. Both assertion and reason are true but reason is not the correct explanation of assertion. Assertion is true but reason is false. Both assertion and reason are false. Answer :C

Discussion

4273.	Question : Assertion(A): rDNA is superior over hybridisation techniques. Reason(R): Desired genes are inserted without introducing the undesirable genes in target organisms.
Answer» ASSERTION is CORRECT and REASON is WRONG Reason is correct and the assertion is wrong Both assertion and reason is correct Both assertion and reason is wrong Answer :C

Discussion

4274.	Question : Assertion:Corpus callosum is present in space between the duramater and piamater. Reason:It serves to maintain the constant intracanial pressure.
Answer» ASSERTION is CORRECT and REASON is wrong Reason is correct and the assertion is wrong Both assertion and reason are correct Both assertion and reason are wrong Answer :D

Discussion

4275.	Question : Assertion:Colchicine reduces the chromosome number. Reason:It promotes the movment of sister chromatids to the opposite poles.
Answer» ASSERTION is CORRECT and REASON is WRONG Reason is correct and the assertion is wrong Both assertion and reason is correct Both assertion and reason is wrong Answer :D

Discussion

4276.	Question : Asseration : cerebrospinal fluid is present throughtout the central nervoussystem . Reasons : cerebrospinal fluid has no such functions.
Answer» ASSERTION is CORRECT and REASON is wrong Reason is correct and the assertion is wrong Both assertion and reason are correct Both assertion and reason are wrong Answer :A

Discussion

4277.	Question : Assertion: All drugs act on the brain. Reason : Drugs disturb the functioning of the body and mind.
Answer» If both ASSERTION and Reason are TRUE and Reason is the CORRECT explanation of Assertion If both Assertion and Reason are true that Reason is not the correct explanation of Assertion Assertion is true but Reason is false Both Assertion and Reason are false ANSWER :A

Discussion

4278.	Question : Assertion (A) : Veins have thinner walls compared to arteries.Reason (R) : Veins carry deoxygenated blood.
Answer» Both (A) and (R) are TRUE and (R) is correct explanation of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false. (A) is false BU (R) is true. Solution :Veins carryblood at lower PRESSURE, back to the heart and HENCE to not have thick walls.

Discussion

4279.	Question : Assertion (A): Variation is minimum in asexual reproduction. Reason (R) : All variations in a species have equal chance of survival.
Answer» Both (A) and (R) are true and (R) is CORRECT explanation of the ASSERTION. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false. (A) is false but (R) is true. Solution :All VARIATIONS not necessarily have EQUAL chance of survival.

Discussion

4280.	Question : Assertion (A) : The disposal of waste we generate is causing serious environmental problems. Reason (R) : We should reduce the waste generated.
Answer» Both (A) and (R) are TRUE and (R) is correct explanation of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false (A) is false but (R) is true. Solution :We should segregate our WASTE into biodegradable and non-biodegradable and then dispose each correctly.

Discussion

4281.	Question :Assertion (A) : Plants have low energy needs compared to animals.Reason (R) : Plants do not show locomotion and not all cells in their body are living.
Answer» Both (A) and (R) are true and (R) is correct explanation of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false. (A) is false BU (R) is true. Solution :Both are TURE

Discussion

4282.	Question : Assertion (A) : Planaria when cut vertically into two halves will not regenerate into new individuals. Reason (R) : It does not posses powers of regeneration
Answer» Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true but (R) is not the correct explanation of the assertion (A) is true but (R) is false. (A) is false but (R) is true. Solution :Both are false. Planaria has great property of REGENERATION and when cut in any PLANE, canregenerate to form new INDIVIDUALS

Discussion

4283.	Question : Assertion (A) : On a cloudy day, the rateof photosynthesis will decreases .Reason (R) : The stomata close, leading to reduced transpiration.
Answer» Both (A) and (R) are TRUE and (R) is correct EXPLANATION of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is FALSE. (A) is false bu (R) is true. Solution :Bothstatementsare correct but not thecorrectreason . On a cloudy DAY the SUNLIGHT islimited,reducingthe rateof photosynthesis .

Discussion

4284.	Question : Assertion (A) : In tobacco plant, the male gametes have twenty four chromosomes. Reason (R) : The number of chromosomes in its zygote are forty eight.
Answer» Both (A) and (R) are TRUE and (R) is CORRECT explanation of the assertion Both (A) and (R) are true but (R) is not the correct explanation of the assertion (A) is true but (R) is false. (A) is false but (R) is true. Solution :The CELLS in the stamen undergo meiosis resulting in half the number of CHROMOSOMES in MALE gamete.

Discussion

4285.	Question : Assertion (A) : In individuals of a given species, a specific gene is located on a particular chromosome. Reason (R ) : A gene does not code for a protein.
Answer» Both (A) and (R) are true and (R) is correct explanation of the ASSERTION. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false. (A) is false but (R) is true. Solution :A GENE codes for a polypeptide. All individuals of a SPECIES will have same genetic makeup - regarding the location of a gene on a CHROMOSOME.

Discussion

4286.	Question : Assertion (A) : In human beings, the statistical probability of getting either a male or a female child is 50 : 50. Reason (R ) : The gametes of the male parents are of two types, and decide the sex of the child.
Answer» Both (A) and (R) are TRUE and (R) is CORRECT EXPLANATION of the ASSERTION. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false. (A) is false but (R) is true. Solution :Both are true

Discussion

4287.	Question : Assertion (A) : HIV/AIDS is a sexually transmitted disease. Reason (R) : Condoms can prevent STDs.
Answer» Both (A) and (R) are true and (R) is correct explanation of the assertion Both (A) and (R) are true but (R) is not the correct explanation of the assertion (A) is true but (R) is false. (A) is false but (R) is true. Solution :HIV/AIDS can also SPREAD SEXUALLY through an INFECTED PARTNER.

Discussion

4288.	Question : Assertion (A) : Food chains can be as long as any number of trophic levels. Reason (R) : There are number of organisms interdependent an each other.
Answer» Both (A) and (R) are TRUE and (R) is correct explanation of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false (A) is false but (R) is true. Solution :There are FOOD webs. Food chains can.t be more than 4 - 5 trophic levels long as the amount of ENERGY available for further transfer gets reduced at each successive LEVEL.

Discussion

4289.	Question : Assertion (A): Budding, fragmentation and regeneration are all considered as asexual types of reproduction. Reason (R) : They involve only one parent.
Answer» Both (A) and (R) are true and (R) is CORRECT EXPLANATION of the ASSERTION Both (A) and (R) are true but (R) is not the correct explanation of the assertion (A) is true but (R) is FALSE. (A) is false but (R) is true. Solution : Both are true.

Discussion

4290.	Question : Assertion (A) : Blood circulation in fish heart is called double circulation.Reason (R) : Oxygenated and deoxygenated blood are not kept separated in fishes heart.
Answer» Both (A) and (R) are true and (R) is CORRECT EXPLANATION of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false. (A) is false bu (R) is true. Solution :Fishes have single CIRCULATION and hencethere is mixing of oxygenated and de-oxygenated blood .

Discussion

4291.	Question : Assertion (A) : All consumers depend on producers either directly or indirectly for their nutrition. Reason (R) : Consumers are heterotrophs.
Answer» Both (A) and (R) are true and (R) is correct explanation of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is false (A) is false but (R) is true. Solution :Consumers cannot CAPTURE energy from sunlight to PRODUCE their FOOD as they lack CHLOROPHYLL.

Discussion

4292.	Question : Assertion (A): All green plants and certain blue-green algae can produce food by photosynthesis. Reason (R) : Presence of chlorophyll in these organisms, enable them to do so.
Answer» Both (A) and (R) are TRUE and (R) is correct explanation of the assertion. Both (A) and (R) are true but (R) is not the correct explanation of the assertion. (A) is true but (R) is FALSE (A) is false but (R) is true. Solution :Both are correct.

Discussion

4293.	Question : Assertion (A): Abortion cannot be considered as a type of contraception. Reason (R) : Abortion is done by medical practioner only.
Answer» Both (A) and (R) are true and (R) is correct EXPLANATION of the ASSERTION Both (A) and (R) are true but (R) is not the correct explanation of the assertion (A) is true but (R) is FALSE. (A) is false but (R) is true. Solution :Abortion RESULTS in killing of foetus it does not PREVENT fertilisation.

Discussion

4294.	Question : Asiatic cheetah, himalayan wolf, giant squirrel, pink headed duck.
Answer»

Discussion

4295.	Question : Asexual reproduction takes place through budding in
Answer» Amoeba YEAST Plasmodium Leishmania Solution :Yeast

Discussion

4296.	Question : Asexual reproduction takes place through budding inA) AmoebaB)YeastC) PlasmodiumD) Leishmania
Answer» Amoeba Yeast Plasmodium Leishmania Answer :B

Discussion

4297.	Question : Asexual reproduction takes place through budding in ……………..
Answer» AMOEBA YEAST plasmodium leishmania ANSWER :A

Discussion

4298.	Question : Asexual reproduction takes place through budding in _____
Answer» Amoeba YEAST Plasmodium Bacteria Solution :Yeast

Discussion

4299.	Question : Asexual reproduction in yeast is a boon to food industry. Justify.
Answer» Solution :In a short period of time a large NUMBER of YEAST cells are produced. These yeast cells actively PARTICIPATE in FERMENTATION reaction during which carbon dioxide is produced that makes CERTAIN foods soft and spongy. Also during the fermentation reaction ethanol is produced which adds to the taste and flavor of the food.

Discussion

4300.	Question : Asexual reproduction by budding is seen in
Answer» BRYOPHYLLUM Hydra Planaria Sponge Solution :This is the CORRECT ANSWER.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Auxanometer is meant for

Question : What are autotrophs?

Question : Autotrophic organisms include

Question : Autotrophs

Question : Autosomes in humans are

Question : The autonomic nervous system comprises of sympathetic and _________ nerves.

Question :A.T.P. full expanded name is :

Question : ATP formation during photosynthesis is known as

Question : At the stage of puberty in boy there are secondary sexual changes. Which of the following is these?a.Increase in height and weightb.Hair growth in armpitsc.Hair growth in genital aread.Larger and erect penis

Question : At present we encounter the problem of water shortage, as rainfall is less than average in past three years. Chairman of your society informed the members to reduce the water consumption. He also suggested to make percoting well in the society. What are the benefits of percoting well ?

Question : At least a half of the total CO_(2) fixation on earth is carried out through photosynthesis by

Question : At higher levels of atmosphere , a layer of methane protects the earth's surface from harmful UV radiations from the sun.

Question : At high altitude, RBCs of human blood will

Question : Asthma is a respiration disease caused due to

Question : Assertion:RBCplaysan importantrolein the transportof respiratory gases. Reason: RBCdo nothave cell organellsandnucleus .

Question : Assertion: Rainwater harvesting is to collect and store rain water. Reason: Rain water can be directed to recharge the underground water source.

Question : Assertion: Persons with AB blood group are called an universal recipients, because they can receive blood from all groups. Reason: Antibodies are absent in persons with AB blood group.

Question : Asseration :Hybrid is superior than either of its parents. Reasons : vigour is lost upon inbreeding.

Question : Assertion: Excretion of excess glucose in urine is observed in a person with diabetes mellitus. Reason: Pancreas is unable to produce sufficient quantity of insulin.

Question : Assertion: Energy efficient bulbs like CFL must be used to save electric energy. Reason: CFL bulbs are costlier than ordinary bulbs, hence using ordinary bulbs can save our money.

Question : Assertion(A): rDNA is superior over hybridisation techniques. Reason(R): Desired genes are inserted without introducing the undesirable genes in target organisms.

Question : Assertion:Corpus callosum is present in space between the duramater and piamater. Reason:It serves to maintain the constant intracanial pressure.

Question : Assertion:Colchicine reduces the chromosome number. Reason:It promotes the movment of sister chromatids to the opposite poles.

Question : Asseration : cerebrospinal fluid is present throughtout the central nervoussystem . Reasons : cerebrospinal fluid has no such functions.

Question : Assertion: All drugs act on the brain. Reason : Drugs disturb the functioning of the body and mind.

Question : Assertion (A) : Veins have thinner walls compared to arteries.Reason (R) : Veins carry deoxygenated blood.

Question : Assertion (A): Variation is minimum in asexual reproduction. Reason (R) : All variations in a species have equal chance of survival.

Question : Assertion (A) : The disposal of waste we generate is causing serious environmental problems. Reason (R) : We should reduce the waste generated.

Question :Assertion (A) : Plants have low energy needs compared to animals.Reason (R) : Plants do not show locomotion and not all cells in their body are living.

Question : Assertion (A) : Planaria when cut vertically into two halves will not regenerate into new individuals. Reason (R) : It does not posses powers of regeneration

Question : Assertion (A) : On a cloudy day, the rateof photosynthesis will decreases .Reason (R) : The stomata close, leading to reduced transpiration.

Question : Assertion (A) : In tobacco plant, the male gametes have twenty four chromosomes. Reason (R) : The number of chromosomes in its zygote are forty eight.

Question : Assertion (A) : In individuals of a given species, a specific gene is located on a particular chromosome. Reason (R ) : A gene does not code for a protein.

Question : Assertion (A) : In human beings, the statistical probability of getting either a male or a female child is 50 : 50. Reason (R ) : The gametes of the male parents are of two types, and decide the sex of the child.

Question : Assertion (A) : HIV/AIDS is a sexually transmitted disease. Reason (R) : Condoms can prevent STDs.

Question : Assertion (A) : Food chains can be as long as any number of trophic levels. Reason (R) : There are number of organisms interdependent an each other.

Question : Assertion (A): Budding, fragmentation and regeneration are all considered as asexual types of reproduction. Reason (R) : They involve only one parent.

Question : Assertion (A) : Blood circulation in fish heart is called double circulation.Reason (R) : Oxygenated and deoxygenated blood are not kept separated in fishes heart.

Question : Assertion (A) : All consumers depend on producers either directly or indirectly for their nutrition. Reason (R) : Consumers are heterotrophs.

Question : Assertion (A): All green plants and certain blue-green algae can produce food by photosynthesis. Reason (R) : Presence of chlorophyll in these organisms, enable them to do so.

Question : Assertion (A): Abortion cannot be considered as a type of contraception. Reason (R) : Abortion is done by medical practioner only.

Question : Asiatic cheetah, himalayan wolf, giant squirrel, pink headed duck.

Question : Asexual reproduction takes place through budding in

Question : Asexual reproduction takes place through budding inA) AmoebaB)YeastC) PlasmodiumD) Leishmania

Question : Asexual reproduction takes place through budding in ……………..

Question : Asexual reproduction takes place through budding in _____

Question : Asexual reproduction in yeast is a boon to food industry. Justify.

Question : Asexual reproduction by budding is seen in