4951 + Interview Questions in Biology in Class 10 Page 27 InterviewSolution

1301.	Question : The pH values of four solutions A, B, C and D are 5, 12, 8 and 9 respectively. Arrange them in the increasing order of their hydroxyl ion concentration, Which solution among them has strong acidic property? Explain what happens if our mouth contains the pH of solution 'A'
Answer» Solution :i) 12 >9>8> 5 or B>D>C>A ii) In solution .A. has strong acidic property. iii) When the pH in the mouth is 5(A) tooth decay STARTS. Bacteria present in the mouth produces acid by degradation of SUGAR and food particles which remain in the mouth after eating. This can lead to tooth decay. THEREFORE we should brush our TEETH with toothpaste because it contain BASE.

Discussion

1302.	Question : The person lived near a forest. Make a list of four items which he can get from the forest to meet his daily needs.
Answer» SOLUTION :FIRE wood, fodder, FRUITS, VEGETABLES, medicines.

Discussion

1303.	Question : The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about
Answer» `1%` `5%` `8%` `10%` Solution :The green PLANTS capture about `1%` of the energy of sunlight that falls on their LEAVES for the process of photosynthesis. This energy is convertes into chemical energy as food. At the subsequent LEVEL, `10%`energy is AVAILABLE.

Discussion

1304.	Question : The percentage of alcohol in rectified spirit is,
Answer» `40%` `70%` `60%` `100%` ANSWER :A

Discussion

1305.	Question : The path of water in sponge is
Answer» pinacoyetes `RARR` choanocytesenteron `rarr` osculum dermal OSTIA `rarr`gastral ostia `rarr`SPONGOCOEL `rarr`osculum dermal ostia `rarr`spongocoel `rarr` gastral ostia `rarr` osculum osculum `rarr` spongocoel `rarr`CHOANOCYTES `rarr`ostia Answer :B

Discussion

1306.	Question : The parts of neurons that perform basic cellular functions, such as protein synthesis, are the
Answer» somas axons dendrites synaptic knobs Answer :A

Discussion

1307.	Question : The part of the sperm which contains the nucleus is
Answer» Head Middle piece Tail Neck Answer :A

Discussion

1308.	Question : Thepartof thepistilwhichservesas areceptivestructurefor thepollen is calledasstyle.
Answer» Solution :CORRECT STATEMENT: The PART of the pistil which serves as a receptive STRUCTURE for the POLLEN is called as stigma.

Discussion

1309.	Question : The part of the fallopian tube which is closer to the ovary possess finger like projections called
Answer» Infundibulum Isthmus Ampulla Fimbriae Answer :D

Discussion

1310.	Question : The part of the flower which develops into a fruit is
Answer» Ovule Ovary Pistil Style Answer :B

Discussion

1311.	Question : The part of seed which grows and develops into root on germination is :
Answer» COTYLEDON PLUMULE follicle radicle Solution :N//A

Discussion

1312.	Question : The part of mushroom that is visible above the ground is a
Answer» zygospore basidiocarp ascocarp ascogonium ANSWER :B

Discussion

1313.	Question : The part of humnan brain which acts as relay centre is______.
Answer» SOLUTION :THALAMUS

Discussion

1314.	Question : The part of food that is not digested in the body is
Answer» starch cellulose proteins fat Answer :B

Discussion

1315.	Question : The part of digestive system where no digestion occurs
Answer» duodenum oesophagus stomach mouth ANSWER :B

Discussion

1316.	Question : The part of a neuron that contains a nucleus and other organelles typical of cells is the
Answer» axon dendrite Schwann cell cell body Answer :D

Discussion

1317.	Question :The .................... pane also contains two additional tabs like costumes and sounds.
Answer» left RIGHT center bottom Solution :right

Discussion

1318.	Question : The pain of testes is enclosed by a sac called ................... .
Answer» SOLUTION :SCROTAL SAC

Discussion

1319.	Question : The oxygen liberated during photosynthesis by green plants comes from :
Answer» glucose water carbon dioxide chlorophyll Answer :B

Discussion

1320.	Question : The output we get from any application is commonly referred as ________.
Answer» FILE folder hardware software Solution :file

Discussion

1321.	Question : The ovaries contain thousands of immature eggs in newborn girl.
Answer» ANSWER :1

Discussion

1322.	Question : The outer most of the three cranial menings is______
Answer» ARACHNOID membrane piamater duramater myelin sheath Answer :C

Discussion

1323.	Question : The other name for voice box is .................and the other name for the wind pipe is………………. .
Answer» SOLUTION :LARYNX, TRACHEA

Discussion

1324.	Question : Theothernameof redbloodcorpusclesis _____.
Answer» SOLUTION :ERYTHROCYTES

Discussion

1325.	Question : The other name for pituitary gland is ……
Answer» SOLUTION :Hyppphysis

Discussion

1326.	Question : The other name for genetic engineering is .....
Answer» SOLUTION :RECOMBINANT DNA TECHNOLOGY

Discussion

1327.	Question : The other name for cyton is cell body or………………….
Answer» SOLUTION :PERIKARYON

Discussion

1328.	Question : The other name for continuous variation is. . . . .. . . . .
Answer» GERMINAL VARIATION SOMATIC variation DISCONTINUOUS variation fluctuation variation ANSWER :D

Discussion

1329.	Question : The other name for Biogas is..........
Answer» NATURAL GAS Nitrogen gas GOBAR gas Shale gas Solution :Gobar gas

Discussion

1330.	Question : The other name for adrenal gland is …….
Answer» SOLUTION :SUPRA RENAL

Discussion

1331.	Question : The original function of the vertebrate stomach was
Answer» storage digestion enzyme secretion Absorption Answer :A

Discussion

1332.	Question : The organs, which give response to external and internal stimuli, are known as
Answer» chemoreceptors receptors photoreceptors tactile receptors Answer :B

Discussion

1333.	Question : The organs P and Q of two animals have different structures but similar functions. On the other hand, the two organs R and S of two other animals have the same basic structure but different functions. (a) What are the organs like P and Q known as ? (b) Name the organs like P and Q. Also name the animals which have such organs. (c) What are the organs like R and S called ? (d) Name the organs like R and S. Also name the animals which have such organs.
Answer» Answer : (a) Analogous organs(b) Wings ; INSECT and Bird(C) HOMOLOGOUS organs(d) Forelimbs ; LIZARD and Frog

Discussion

1334.	Question : The organs which perform different functions but have the same basic structure are knowna.Homologous organsb.Analogous organsc.Homolytic organd.Analytic organ
Answer» HOMOLOGOUS ORGANS ANALOGOUS organs Homolytic ORGAN ANALYTIC organ Answer :A

Discussion

1335.	Question : The organs of reproductive system are divided into ...........and .............(accessory) sex organs.
Answer» SOLUTION :PRIMARY: SECONDARY

Discussion

1336.	Question : The Organisms which make break down complex organic substances into simpler inorganic substances and mix them in soil :
Answer» Producers Decomposers HERBIVORES Carnivores Answer :B

Discussion

1337.	Question : The Organisms which make organic compounds from inorganic substances using energy of sun and in the presence of chlorophyll are called :
Answer» DECOMPOSERS PRODUCERS HERBIVORES Carnivores Answer :B

Discussion

1338.	Question : The organisms, which live in extreme environmental conditions on Earth are called . . . . . .. .
Answer» ANSWER :EXTREMOPHILES

Discussion

1339.	Question : The organisms formed by asexual reproduction are considered as clones. Why ? State the advantages of sexual reproduction over asexual reproduction.
Answer» Solution :Organisms PRODUCED by asexual reproduction contain exactly the same chromosomes as the PARENT cells have. Hence, they LOOK like clones because the traits remain preserved. Sexual reproduction results in the mixing of GAMETES of two individuals, hence variation occurs in offsprings leading to evolution.

Discussion

1340.	Question : The organism which undergoes mutation is called a ............. And mutations are ................
Answer» SOLUTION :MUTANT, MUTAGENIC AGENTS

Discussion

1341.	Question : The organ of Corti in man is concerned with the sense of
Answer» SMELL hearing taste equilibrium Answer :B

Discussion

1342.	Question : The orchid plants, which are found growing on the trees, are
Answer» PARASITES EPIPHYTES SAPROPHYTES lithophytes ANSWER :B

Discussion

1343.	Question : The opening of the pulmonary artery and Aorta are guarded by three .......... valves.
Answer» SOLUTION :SEMILUNAR

Discussion

1344.	Question : The opening and closing of the stomatal pores depends upon :
Answer» oxygen water in GUARD cells temperature concentration of `CO_(2)` in stomata Answer :B

Discussion

1345.	Question : The opening and closing of stomata isthe functioning of _________.
Answer» SOLUTION :GUARD CELLS

Discussion

1346.	Question : The opening and closing of stomata is regulated by
Answer» oxygen concentration in stomata water in GUARD cells temperature `CO_(2)`concentration in stomata Solution :When water enters guard cells, stomata OPEN and when water leaves guard cells, stomata close. The degree ofopening of stomatal APERTURE depends on TURGIDITY of guard cells.

Discussion

1347.	Question : The only cell organelle seen in prokaryotic cell
Answer» mitochondria ribosomes plastids lysosomes Answer :B

Discussion

1348.	Question : The oil of turpentine is principally used in varnish industry as a thinning agent due to its properties as a solvent. It is obtained from
Answer» Pinus Cycas Gnetum Equisetum Answer :A

Discussion

1349.	Question : The offspring resulting from a cross between two pure homozygous recessives would be
Answer» 50 % homozygous RECESSIVE and 50% homozygous DOMINANT 75 % homozygous recessive and 25% heterozygous dominant 75 % homozygous recessive and 25% homozygous dominant 100% homozygous recessive Answer :D

Discussion

1350.	Question : The oestrous or menstrual cycle begins with a breaking down of the womb wall. The ovum or egg is released
Answer» at the BEGINNING of the cycle about half way through the cycle about 20 DAYS through the cycle at the end of the cycle Answer :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : The pH values of four solutions A, B, C and D are 5, 12, 8 and 9 respectively. Arrange them in the increasing order of their hydroxyl ion concentration, Which solution among them has strong acidic property? Explain what happens if our mouth contains the pH of solution 'A'

Question : The person lived near a forest. Make a list of four items which he can get from the forest to meet his daily needs.

Question : The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about

Question : The percentage of alcohol in rectified spirit is,

Question : The path of water in sponge is

Question : The parts of neurons that perform basic cellular functions, such as protein synthesis, are the

Question : The part of the sperm which contains the nucleus is

Question : Thepartof thepistilwhichservesas areceptivestructurefor thepollen is calledasstyle.

Question : The part of the fallopian tube which is closer to the ovary possess finger like projections called

Question : The part of the flower which develops into a fruit is

Question : The part of seed which grows and develops into root on germination is :

Question : The part of mushroom that is visible above the ground is a

Question : The part of humnan brain which acts as relay centre is______.

Question : The part of food that is not digested in the body is

Question : The part of digestive system where no digestion occurs

Question : The part of a neuron that contains a nucleus and other organelles typical of cells is the

Question :The .................... pane also contains two additional tabs like costumes and sounds.

Question : The pain of testes is enclosed by a sac called ................... .

Question : The oxygen liberated during photosynthesis by green plants comes from :

Question : The output we get from any application is commonly referred as ________.

Question : The ovaries contain thousands of immature eggs in newborn girl.

Question : The outer most of the three cranial menings is______

Question : The other name for voice box is .................and the other name for the wind pipe is………………. .

Question : Theothernameof redbloodcorpusclesis _____.

Question : The other name for pituitary gland is ……

Question : The other name for genetic engineering is .....

Question : The other name for cyton is cell body or………………….

Question : The other name for continuous variation is. . . . .. . . . .

Question : The other name for Biogas is..........

Question : The other name for adrenal gland is …….

Question : The original function of the vertebrate stomach was

Question : The organs, which give response to external and internal stimuli, are known as

Question : The organs which perform different functions but have the same basic structure are knowna.Homologous organsb.Analogous organsc.Homolytic organd.Analytic organ

Question : The organs of reproductive system are divided into ...........and .............(accessory) sex organs.

Question : The Organisms which make break down complex organic substances into simpler inorganic substances and mix them in soil :

Question : The Organisms which make organic compounds from inorganic substances using energy of sun and in the presence of chlorophyll are called :

Question : The organisms, which live in extreme environmental conditions on Earth are called . . . . . .. .

Question : The organisms formed by asexual reproduction are considered as clones. Why ? State the advantages of sexual reproduction over asexual reproduction.

Question : The organism which undergoes mutation is called a ............. And mutations are ................

Question : The organ of Corti in man is concerned with the sense of

Question : The orchid plants, which are found growing on the trees, are

Question : The opening of the pulmonary artery and Aorta are guarded by three .......... valves.

Question : The opening and closing of the stomatal pores depends upon :

Question : The opening and closing of stomata isthe functioning of _________.

Question : The opening and closing of stomata is regulated by

Question : The only cell organelle seen in prokaryotic cell

Question : The oil of turpentine is principally used in varnish industry as a thinning agent due to its properties as a solvent. It is obtained from

Question : The offspring resulting from a cross between two pure homozygous recessives would be

Question : The oestrous or menstrual cycle begins with a breaking down of the womb wall. The ovum or egg is released