24277 + Interview Questions in Biology in Class 12 Page 93 InterviewSolution

4601.	Question : The species diversity is maximum in
Answer» WESTERN GHATS EASTERN Ghats Alpine meadows wetlands. Answer :A

Discussion

4602.	Question : The special structure of urinary bladder helps to store about one litre of urine at a time. Describe this structure of urinary bladder and mention the difference in the length of urethra in man and woman. (Diagram not required)
Answer» SOLUTION :(1) Urinary bladder is pear shaped bag with thick muscular walls. The walls are lined with transitional epithelium and thus it can expand. There is thick layer of muscles called detrusor muscles. It is located in the pelvic cavity. (2) The ureters open into urinary bladder in oblique way, thus backflow of urine is prevented. (3) Bladder leads to urethra. The urethral openings are guarded by sphincters. (4) Urinary bladder stores about 500 ml to 1 litre of urine temporarily. (5) The emptying of bladder is under VOLUNTARY control. (6) FEMALE urethra is short about 4 cm, and it opens in front of vaginal opening in vestibule. MALE urethra is long about 20 cm. It passes through the penis. Urethra in male is common for sperms as well as urine.

Discussion

4603.	Question : The specialized event which facilitates the transfer of pollen grains to the stigma is known as?
Answer» SOLUTION :POLLINATION

Discussion

4604.	Question : The specialized absorbing organ of parasitic fungi by which theydraw their nutrition is known as _____ .
Answer» ANSWER :HAUSTORIUM

Discussion

4605.	Question : The special type of cells that from the visceral layer of bowman's capsules are_____.
Answer» ANSWER :PODOCYTES

Discussion

4606.	Question : The special structure of urinary bladder helps to store about one litre of urine at a time. Describe this structure of urinary bladder and mention the difference in the length of urethra in man and woman.
Answer» Solution :(1) Urinary bladder is pear shaped bag with thick muscular WALLS. The walls are lined with transitional epithelium and thus it can expand. There is thick layer of muscles called detrusor muscles. It is located in the pelvic cavity. (2) The ureters OPEN into urinary bladder in oblique way, thus backflow of urine is prevented. (3) Bladder leads to urethra. The urethral openings are guarded by sphincters. (4) Urinary bladder stores about 500 ml to 1 litre of urine temporarily. (5) The emptying of bladder is under voluntary control. (6) Female urethra is short about 4 CM, and it opens in front of vaginal opening in vestibule. Male urethra is long about 20 cm. It passes through the penis. Urethra in male is common for sperms as well as urine.

Discussion

4607.	Question : The spark discharge apparatus that was used by miller contains
Answer» `CH_4,O_2,H_2,NH_3` and WATER VAPOUR `CH_4,O_2,NH_3` and water vapour `CH_4,O_2,NH_3` and `H_2` `CH_4,H_2,NH_3` and water vapour Answer :D

Discussion

4608.	Question : The space within the cochlear duct is
Answer» SCAL tympani SCALA vestibuli scala media organ of corti Answer :C

Discussion

4609.	Question : The source of Taq polymerase used in PCR technique is a(A) Thermophilic bacteria(B) Thermophilic fungus(C) Mesophilic bacteria(D) Mesophilic fungus
Answer» THERMOPHILIC BACTERIA Thermophilic fungus MESOPHILIC bacteria Mesophilic fungus Solution :Thermophilic bacteria

Discussion

4610.	Question : The space between cornea and lens is
Answer» AQUEOUS chamber fovea VITREOUS chamber blind SPOT ANSWER :A

Discussion

4611.	Question : The source of Taq polymerase enzyme.
Answer» SOLUTION :Thermus aquaticus.

Discussion

4612.	Question : The source of oxygen liberated during photosynthesis is:
Answer» `CO_2` `H_2O` `O_2` Photosynthate Answer :B

Discussion

4613.	Question : The source of mineral to growing parts of the plants is /are (A) Roots (B)Mature leaves (c ) Old and senescent parts
Answer» A,B and C B and C A and C A only Answer :A

Discussion

4614.	Question : The source of hydrogen atoms for the synthesis of glucose is
Answer» `H_2O` `FADH_2` `NADPH_2` ATP Answer :C

Discussion

4615.	Question : The source of hydrogen for carbon assimilation is
Answer» NADPH `FADH_2` RUBP `CO_2` ANSWER :A

Discussion

4616.	Question : The source of food for developing embryo is
Answer» Nucellus Ovule Endosperm Anther Answer :C

Discussion

4617.	Question : The source of Eco RI
Answer» SOLUTION :ESCHERICHIA COLI RY13

Discussion

4618.	Question : The somatic nervous system controls
Answer» Smooth muslces Skeletal muscles CARDIAC muscles GLANDS ANSWER :B

Discussion

4619.	Question : "The soldiers of a country kill their own king". Similar situation takes place in our body. Find out that process.
Answer» SOLUTION :AUTO IMMUNE DISEASE

Discussion

4620.	Question : The solid despersion of aerosisols is called dust.
Answer»

Discussion

4621.	Question : The solar system was created by the collapse of solar nebula. Solar nebula was the
Answer» Gaseous cloud SOLID ball of SOIL Liquid of water and MINERALS Solid iron Answer :A

Discussion

4622.	Question : The solar system was created approximately
Answer» 4.5 BILLION YEARS AGO 3.3 billion years ago 2.3 billion years ago 2.0 billion years ago ANSWER :A

Discussion

4623.	Question : The soil pollutants that affectthe foodchainand food webby killingmicroorganismsand plants are
Answer» NITROGEN oxide PATHOGENS CHEMICAL FERTILIZERS AGRICULTURAL waste pesticides Answer :D

Discussion

4624.	Question : The soil zone is known as.......
Answer» PEDOSPHERE ATMOSPHERE HYDROSPHERE STRATOSPHERE SOLUTION : Pedosphere

Discussion

4625.	Question : The soil water available for absorption by plant roots is
Answer» RAIN water Capillary water Chemically BOUND water Gravitational water Answer :B

Discussion

4626.	Question : The soil pollutants that affect the food chain and food web by killingmicroorganisms and plants are .
Answer» NITROGEN OXIDES PATHOGENS AGRICULTURAL waste PESTICIDES

Discussion

4627.	Question : The soil, which is transported by wind is known as
Answer» Colluvial EOLIAN ALLUVIAL GLACIAL ANSWER :B

Discussion

4628.	Question : The soil bacteria that breaks down proteins into ammonia is:
Answer» Nitrosomonas Pseudomonas Nitrobacter Azotobacter Answer :B

Discussion

4629.	Question : The soil characteristic that determine ease of moving water into the soil is referred to as :
Answer» SOIL WATER Soil permeability Soil temperature porosity Answer :B

Discussion

4630.	Question : The smallest unit of genetic material, which when mutated produces a phenotypic effect, is
Answer» recon muton NUCLEIC acid cistron Answer :B

Discussion

4631.	Question : The smallest organisms which cause diseases among plants are
Answer» VIRUSES Fungi Bacteria Mycoplasma. Solution :viruses are not CONSIDERED to be ORGANISMS.

Discussion

4632.	Question : The smallest RNA segment capable of causing diseases is called____________.
Answer» ANSWER :RNA

Discussion

4633.	Question : The smallest part of gene is called as ___________
Answer» RECON MUTON EXON Cistron Answer :B

Discussion

4634.	Question : The smallest element or sub division of a gene, which can be affected by a mutation is
Answer» MUTON RECON INTERFERON Cistron Answer :A

Discussion

4635.	Question : The smallest eggs belong to
Answer» MAMMALS FISHES AMPHIBIANS Reptilies . ANSWER :A

Discussion

4636.	Question : The smallest bone of the face is
Answer» LACRIMAL Work Palatines Vomer Mandible ANSWER :A

Discussion

4637.	Question : The smallest bone in the body helps in
Answer» Haemopoiesis Protection to delicate parts TRANSMISSION of SCUND waves Providing surface for ATTACHMENT of muscles Answer :C

Discussion

4638.	Question : The smallest animal egg is that of
Answer» OSTRICH HUMAN FEMALE DUCK Hen Answer :B

Discussion

4639.	Question : The smaller animals have a larger surface area,so they tend to loss body heat very fast when it is to cold outside .This result in spending
Answer» muchengergy for CATABOLISM MUCH ENGERY for catabolism and anabolism LOW engery for catabolism much engery for anabolism Answer :B

Discussion

4640.	Question : The small pore present above the hilum at one end of the seed is called
Answer» ANSWER :2

Discussion

4641.	Question : The slow rate of decomposition of fallen logs in nature is due to their:
Answer» anaerobic environment AROUND them low CELLULOSE content low MOISTURE content poor NITROGEN content Answer :D

Discussion

4642.	Question : The skull region articulates with the superior region of the vertebral column with the help of
Answer» OCCIPITAL condyles Odontoid fossa Odentoid process Axis vertebrae Answer :A

Discussion

4643.	Question : The skull of human is composed of two sets of bones which are.
Answer» CRANIAL and facial Facial and hyoid Cranial and EAR ossicles Facial and ear ossicles Answer :A

Discussion

4644.	Question : The size of the clay particle is less than
Answer» 0.02 MM 0.002 mm 0.2 mm 2.0 mm ANSWER :B

Discussion

4645.	Question : The size of a population is not static.Which of the following leads to decrease in population?
Answer» NATALITY and Mortality Moertality and Emigration Mortality and immigration Natality and Immigration Answer :B

Discussion

4646.	Question : The six carbon containing acid formed in krebs cycle is:
Answer» Oxaloacetic acid Citric acid Ketoglutaric acid Succinic acid Answer :B

Discussion

4647.	Question : The site of production of ADA in the body is:
Answer» BONE marrow Lymphocytes Blood plasma Monocytes Answer :A

Discussion

4648.	Question : The site of production of ADA in the body is
Answer» erythrocytes lymphocytes blood plasma osteocytes Solution :Lymphocytes are a kind of WHITE blood cells PRESENT in bone marrow ADA (ADENOSINE DEAMINASE) is an enzyme that is present in lymphocytes and is very important for the immune system to function.

Discussion

4649.	Question : The site of production of ADA in the body is(A) Erythrocytes(B) Lymphocytes(D) Blood plasma(D) Osteocytes
Answer» ERYTHROCYTES Lymphocytes Blood plasma Osteocytes SOLUTION :The SITE of production of ADA in the body is lymphocytes.

Discussion

4650.	Question : The site of production of ADA in the body is :
Answer» BONE MARROW lymphocytes Blood plasma Monocytes Answer :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : The species diversity is maximum in

Question : The special structure of urinary bladder helps to store about one litre of urine at a time. Describe this structure of urinary bladder and mention the difference in the length of urethra in man and woman. (Diagram not required)

Question : The specialized event which facilitates the transfer of pollen grains to the stigma is known as?

Question : The specialized absorbing organ of parasitic fungi by which theydraw their nutrition is known as _____ .

Question : The special type of cells that from the visceral layer of bowman's capsules are_____.

Question : The special structure of urinary bladder helps to store about one litre of urine at a time. Describe this structure of urinary bladder and mention the difference in the length of urethra in man and woman.

Question : The spark discharge apparatus that was used by miller contains

Question : The space within the cochlear duct is

Question : The source of Taq polymerase used in PCR technique is a(A) Thermophilic bacteria(B) Thermophilic fungus(C) Mesophilic bacteria(D) Mesophilic fungus

Question : The space between cornea and lens is

Question : The source of Taq polymerase enzyme.

Question : The source of oxygen liberated during photosynthesis is:

Question : The source of mineral to growing parts of the plants is /are (A) Roots (B)Mature leaves (c ) Old and senescent parts

Question : The source of hydrogen atoms for the synthesis of glucose is

Question : The source of hydrogen for carbon assimilation is

Question : The source of food for developing embryo is

Question : The source of Eco RI

Question : The somatic nervous system controls

Question : "The soldiers of a country kill their own king". Similar situation takes place in our body. Find out that process.

Question : The solid despersion of aerosisols is called dust.

Question : The solar system was created by the collapse of solar nebula. Solar nebula was the

Question : The solar system was created approximately

Question : The soil pollutants that affectthe foodchainand food webby killingmicroorganismsand plants are

Question : The soil zone is known as.......

Question : The soil water available for absorption by plant roots is

Question : The soil pollutants that affect the food chain and food web by killingmicroorganisms and plants are .

Question : The soil, which is transported by wind is known as

Question : The soil bacteria that breaks down proteins into ammonia is:

Question : The soil characteristic that determine ease of moving water into the soil is referred to as :

Question : The smallest unit of genetic material, which when mutated produces a phenotypic effect, is

Question : The smallest organisms which cause diseases among plants are

Question : The smallest RNA segment capable of causing diseases is called____________.

Question : The smallest part of gene is called as ___________

Question : The smallest element or sub division of a gene, which can be affected by a mutation is

Question : The smallest eggs belong to

Question : The smallest bone of the face is

Question : The smallest bone in the body helps in

Question : The smallest animal egg is that of

Question : The smaller animals have a larger surface area,so they tend to loss body heat very fast when it is to cold outside .This result in spending

Question : The small pore present above the hilum at one end of the seed is called

Question : The slow rate of decomposition of fallen logs in nature is due to their:

Question : The skull region articulates with the superior region of the vertebral column with the help of

Question : The skull of human is composed of two sets of bones which are.

Question : The size of the clay particle is less than

Question : The size of a population is not static.Which of the following leads to decrease in population?

Question : The six carbon containing acid formed in krebs cycle is:

Question : The site of production of ADA in the body is:

Question : The site of production of ADA in the body is

Question : The site of production of ADA in the body is(A) Erythrocytes(B) Lymphocytes(D) Blood plasma(D) Osteocytes

Question : The site of production of ADA in the body is :