4951 + Interview Questions in Biology in Class 10 Page 36 InterviewSolution

1751.	Question : The abdominal passage, which connects the abdominal cavity with the scrotal sac in mammals, is known as
Answer» SPERMATIC CANAL neurenteric canal inguinal canal HAVERSIAN canal Answer :C

Discussion

1752.	Question : The ability of a cell to divide into several cells during reproduction in Plasmodium is called
Answer» reduction division. budding binary FISSION multiple fission. SOLUTION :Reduction division occurs during meiosis. Budding is seen in yeast and hydra while AMOEBA reproduces asexually by binary fission.

Discussion

1753.	Question : The 3R approach such as .......... and ................ may be followed to effective waste management.
Answer» SOLUTION :REDUCE, REUSE and RECYCLE

Discussion

1754.	Question : That the cell wall is permeable can be best deduced from the passage of water and mineral salts
Answer» ROOT HAIRS into cortical cells pericyle cells into tracheal elements cortical cells into the pericycle soil into root hairs ANSWER :D

Discussion

1755.	Question : Testosterone, the male sex hormone, is synthe-sised in the
Answer» SEMINIFEROUS tubules interstitial cells vas deferens prostate gland Answer :B

Discussion

1756.	Question : Testosterone is secreted by which endocrine part of testis?
Answer» CELLS of LEYDIG SEMINIFEROUS tubules tunica albugenia Sertoli cells Answer :A

Discussion

1757.	Question : Testosterone initiates the process of .............
Answer» SOLUTION :SPERMATOGENESIS

Discussion

1758.	Question : Testes are masses of coiled
Answer» uriniferous tubules malpighian tubules vasa efferentia seminiferous tubules Answer :D

Discussion

1759.	Question : Testes are located inside the abdomen in a sac called scrotum.
Answer» SOLUTION :FALSE - Testes are LOCATED OUTSIDE the abdomen in SCROTUM.

Discussion

1760.	Question : Tertian malaria is caused by
Answer» PLASMODIUM ovale Plasmodium falciparum Plasmodium vivax Plasmodium MALARIAE ANSWER :B

Discussion

1761.	Question : Termination of chain growth in protein synthesis is brought about by the codons
Answer» UAA, UAG and UGA UCG, ACC and GCG UUG, UAG and UGA UGA, UAG and AUG Answer :A

Discussion

1762.	Question : Terracing is an effective method of soil conservation in
Answer» DESERT areas plain areas hill areas NONE of these ANSWER :C

Discussion

1763.	Question : Term hybridoma implies
Answer» DNA-RNA hybrid recombination of DNA molecules somatic hybridisation gametic fusion Answer :C

Discussion

1764.	Question : Tendons are made up of:
Answer» loose CONNECTIVE tissue yellow elastic tissue white FIBROUS tissue epithelial tissue Answer :C

Discussion

1765.	Question : Tendon is made up of
Answer» mainly collagen FIBRES INELASTIC CONNECTIVE TISSUE fibres elastic connective tissue fibres inelastic and elastic connective tissue fibres Answer :A

Discussion

1766.	Question : Tendon connects
Answer» CARTILAGE with muscles bone with muscles ligament with muscles bone with bone Answer :B

Discussion

1767.	Question : Ten per cent law of energy transfer in a food chain was enunciated by
Answer» LINDEMAN HAECKEL Schimper Zemicke ANSWER :A

Discussion

1768.	Question : Technique for detecting and screening the nutritional mutants in Neurospora crassa was developed by
Answer» BEADLE and Tatum Bateson and Punnet Luria Dulbecco Knoll and Ruska Answer :A

Discussion

1769.	Question : Teats or Nipples, Hairs, Claws, Nails
Answer» SOLUTION :TEATS or NIPPLES

Discussion

1770.	Question :"Taxonomy without phylogeny is similar to bones without flesh” is a statement
Answer» OSWALD Tippo John Hutchinson Takhtajan Bentham and Hooker Answer :C

Discussion

1771.	Question : Taking the exaple of heart beat, justify the antagonistic action of the sympathetic and the parasympathetic nerves.
Answer» Solution :SYMPATHETIC system INCREASES contraction and reythm and parasympathetic system DECREASES contraction and rhythm with respect to heart BEAT.

Discussion

1772.	Question : Taj Mahal marble is affected by
Answer» `SO_(2)` `O_(2)` `O_(3)` `NO_(2)` ANSWER :A

Discussion

1773.	Question : Systole causes
Answer» ENTRY of BLOOD into lungs entry of blood into heart exit of blood from heart exit of blood from VENTRICLES ANSWER :D

Discussion

1774.	Question : Syphilis is a STD.
Answer» ANSWER :1

Discussion

1775.	Question : Syngamy resultsin theformationof _______.
Answer» ZOOSPORES CONIDIA ZYGOTE Chlamydospores SOLUTION :Zygote

Discussion

1776.	Question :Syngamy refers to
Answer» fusion of ONE of the sperms with secondary nucleus fusion of one of the sperms with the egg fusion of one of the sperms with the egg and other with the secondary nucleus fusion of one of the sperms with synergid Answer :B

Discussion

1777.	Question : Sympathetic nervous system is a part of central nervous system.
Answer» SOLUTION :SYMPATHETIC nervous sysetm is a PART of autonomic nervous system

Discussion

1778.	Question : Sustainable development implies a change in all aspects of life. Justify
Answer» Solution :The concept of sustainable development implies a change in all aspects of LIFE. This can be depicted by the following: `implies`It encourages various forms of growth that meet CURRENT basic needs. `implies` It preserves the resources for the needs of future generation. `implies`It takes into account the environment conservation, while not IGNORING economic development. This depends UPON the willingness of the people to change their perceptions of the socioeconomic and environmental CONDITIONS around them.

Discussion

1779.	Question : Susan's father feels very tired and frequently urinates. After clinical diagnosis he was advised to take an injection daily to maintain his blood glucose level. What would be the possible cause for this? Suggest preventive measures.
Answer» Solution :The deficiency of insulin causes Diabetes mellitus. He has Diabetes mellitus. INCREASE in blood sugar level (Hyperglycemia). He was advised to take an injection, Insulin, which helps in the conversion of glucose into GLYCOGEN, which is stored in liver. It DECREASES the concentration of gucose in blood. Preventive measures: (a) MANAGE the weight (b) Exercise regularly ( c) Eat a balanced healthy diet (d) Limit alcohol intake (e ) Quit smoking CONTROL the blood pressure

Discussion

1780.	Question : Survival of the fittest' was used by
Answer» CHARLES Darwin Jean BAPTISTE Lamarck Hugo DE Vries Herbert Spencer Answer :D

Discussion

1781.	Question : Surgical removal of both the kidneys would result in deth because
Answer» WATER will ACCUMULATE in blood urea will not be excreted immune RESPONSE will be suppressed glucose will be LOST from the body Answer :B

Discussion

1782.	Question : Sugicalmethodsof contraceptionpreventgamete formation .
Answer» ANSWER :1

Discussion

1783.	Question : Surgery can be used for removal of unwanted pregnancies.
Answer» ANSWER :T

Discussion

1784.	Question : Surface appendages used by bacteria to attach to one another, and to host organisms, are called
Answer» pili thylakoids spirilla Desmosomes Answer :A

Discussion

1785.	Question : Suppose you felt an earthquake, which of the following sense organs would you think was involved in this feeling?
Answer» EYES SKIN of your soles proprioceptors ears Answer :D

Discussion

1786.	Question : Suppose a person wears convex glasses for proper vision. Where you think the image of the object is formed in his eyes when he is not using the glasses?
Answer» on the YELLOW spot behind the retina in front of the retina on the BLIND spot Answer :B

Discussion

1787.	Question : Sunken stomata are found in,
Answer» Xerophytes Hydrophytes Mesophytes Opsanophytes Burzoo Answer :A

Discussion

1788.	Question : Suman purchased a number of earthen flower pots (gamle) and planted beautiful plants in them by adding proper fertiliser to the soil. She started watering these plants everyday by putting lots of water in the earthen flower pots. After about one month, Suman noticed that though most of the potted plants were growing well and appeared to be healthy, but one of the plants was on the verge of dying (though it was being watered dailyalongwith other potted plants). Suman told about this problem to her friend Geeta. Geeta examinedthe earthen flower pot of this dying plant carefully including its bottom and immediately understood what the problem was. She adivsed Suman to change the earthen pot of this plant. Suman then shifted this plant to another earthen potand watered it. The same plant now started growing normally and became a healthy plant after some time. (a) What defect do you think could have been observed by Geeta at the bottom of earthen pot of this plant ? How was this defect affecting the growth of plant and making it almost die ? (c ) Which life process could not be performed efficiently by the roots of this plant under these conditions ? (d) What special term is used for the condition which existed in this particular earthen flower pot ? (e) Why did Suman use another earthen pot for this plant ? (f) What values are displayed by Geeta in this incident ?
Answer» Solution :(a) Geeta COULD have observed that there was no hole at the bottom of this earthen flower pot (gamla) for the excess water to be drained out. (b) Since there was no hole at the bottom of this earthen pot, too much water collected in it. This too much water expelled all the AIR from in-between the soil particles in the earthen flower pot. Due to this, oxygen was not available to the roots of this plant for aerobic respiration. Under these conditions, the roots respire anaerobically, producing alcohol. And this was killing the plant gradually. (c )Aerobic respiration. (d) Waterlogging. (E) Suman used another earthen pot for this plant which had a hole at its bottom (to drain off the excess water). (f)The values displayed by Geeta in this incident are (i) Awareness (or KNOWLEDGE) that plant roots require air for respiration (ii) Curiosity to get at the bottom of the PROBLEM, and (iii) Helping nature.

Discussion

1789.	Question : Sulphur shower is related to
Answer» CYCAS Pinus both none of the above Answer :B

Discussion

1790.	Question : Suggest three contraceptive methods to control the size of human population which is essential for the health and prosperity of a country. State the basic principle involved in each.
Answer» Solution :The methods of contraception are: (i) Barrier METHOD or mechanical method (Condom/Diaphragm): Prevents the meeting of sperms and ova. (ii) Chemical method (Oral pills): Changes the hormonal balance of the female partner so that the eggs are not released. (iii) Surgical method: The vas DEFERENS in males is blocked (vasectomy) or the fallopian tube (oviduct) in females (tubectomy) is blocked to prevent the TRANSFER of sperms or egg and hence no fertilisation TAKES place. (IV) IUCDs/Loop or the copper-T is placed in the uterus to prevent pregnancy.

Discussion

1791.	Question : Suggest some measures at individual level, a person can follow to protect the environment.
Answer» Solution :On an individual level, a person can take certain measures: (i) Use eco-friendly materials at home instead of SYNTHETIC materials. (ii) RAIN water harvesting at dimestic level should be UNDERTAKEN. (iii) ELECTRICAL appliances can be switched offwhen not in use. Switch off fans, AC.s,while leaving the room. (IV) Dry and wet garbage should be kept and disposed off separately. (v) Use eco-friendly fuel and renewable energy sources.

Discussion

1792.	Question : Suggest some approaches towards conservation of forests.
Answer» Solution :Approaches towards conservation of forests are: ( 1 ) Indiscriminate felling of trees for the purpose of timber must be reduced. (2) The forest ecosystem must be protected from fuel starved villages, fodder-starved cattles and commercial EXPLOITATION. (3) Replantation of trees and also plantation of indiginous species to develop forests in all AVAILABLE land. ( 4 ) PARTICIPATION of local people and VILLAGERS must be taken in conservation of forests. (5) Scientific research, MONITORING and spreading awareness about conservation of forests through education.

Discussion

1793.	Question : Suggest measures to overcome the problems of an alcoholic.
Answer» Solution :(a) Education and Counselling: Education and PROPER counselling will help the alcoholics to overcome their problems and stress, to accept failures in their life. (b) Physical activity: Individuals undergoing Rehabilitation measures should be guided into healthy activities like reading, music, SPORTS, yoga and meditation. (c) Seeking help from parents and peers: The affected individuals should seek help and guidance from parents and peers. This would help them to share their feeling of anxiety of wrong doing and get rid of the habit. (d) MEDICAL assistance: Individuals should seek help from PSYCHOLOGISTS, and psychiatrists, to get relieved from this condition and to lead a relaxed and peaceful life.

Discussion

1794.	Question : Suggest four methods to manage the garbage.
Answer» Solution :Methods to manage garbage : (a) As biodegradable and non-biodegradable wastes are to be treated DIFFERENTLY, they should be collected differently. (B) Non-biodegradable waste should be sent for recycling. (c) Hazardous waste LIKE SURGICAL waste and ELECTRONIC parts should not be thrown in the open ground. (d) Disposal should be carried out at specified centres only.

Discussion

1795.	Question : Suggest any four activities in daily life which are eco-friendly.
Answer» Solution :Eco-friendly activities are those activities that are beneficial for the environment. Four activities in daily life which are eco-friendly are as follows (i) Separation of bio-degradable and non-biodegradable wastes. (ii) Use of cloth/paper bags in place of polythene/plastic bags. (iii) USING public TRANSPORT for commuting, walking or using cycle for short distances. (iv) Harvesting rain water. (V) Swithching off light/fans in UNOCCUPIED rooms. (vi) Use of compost and VERMICOMPOST in place of fertilisers.

Discussion

1796.	Question : Ganga Action Plan for controlling pollution in Ganges started in
Answer» Solution :1) In the neighbourhood we have a tank. 2. The water of the tank get polluted due to various reasons. 3) Dumping of the garbage, fertilisers and pesticides used in surrounding AGRICULTURAL lands and INDUSTRIAL discharge from two industries are the main reasons. 4) We can have an action plan to reduce the level of pollution in that tank. 5) It include to take PREVENTIVE measures to stop those pollutants. 6) The discharges should be treated and recycied, if not used in production of alternate energy. 7) Farmers should stop the usage of fertilizers and pesticides. 8) Instead they can ADAPT to MANURE, vermi compost and organic fertilizers, and use neem seed powder, garlic juice with water can be used as pesticides.

Discussion

1797.	Question : Suggest a few steps for controlling carbon dioxide levels in the atmosphere.
Answer» Solution :Steps for controlling carbon DIOXIDE level in the atmosphere are as FOLLOWS: (1) Reduce the consumption of fossil fuels such as petrol, diesel automobiles. USING public transport helps in reduction of petrol usage. (2) USE alternative fuels such as CNG instead of fossil fuels. ( 3 ) Instead of burning litter, prepare MANURE out of it. (4) Planting of large number of trees. (5) The smoke coming out of thermal power stations and other industries should be well treated to remove harmful gases, before discharging it into atmosphere.

Discussion

1798.	Question : Substances that are not broken down by biological processes are said to be biodegradable .
Answer» SOLUTION :FALSE- They are non-biodegradable.

Discussion

1799.	Question : Substances that are broken down by biological processes are said to be biodegradable. This is due to
Answer» HIGH pressure. high temperature consumption by PRIMARY and SECONDARY consumers. ENZYME ACTION. Solution :enzyme action.

Discussion

1800.	Question : Submerged vegetation rots under anaerobic condition producing large amounts of methane.
Answer» ANSWER :1

Discussion

Explore topic-wise InterviewSolutions in .

Question : The abdominal passage, which connects the abdominal cavity with the scrotal sac in mammals, is known as

Question : The ability of a cell to divide into several cells during reproduction in Plasmodium is called

Question : The 3R approach such as .......... and ................ may be followed to effective waste management.

Question : That the cell wall is permeable can be best deduced from the passage of water and mineral salts

Question : Testosterone, the male sex hormone, is synthe-sised in the

Question : Testosterone is secreted by which endocrine part of testis?

Question : Testosterone initiates the process of .............

Question : Testes are masses of coiled

Question : Testes are located inside the abdomen in a sac called scrotum.

Question : Tertian malaria is caused by

Question : Termination of chain growth in protein synthesis is brought about by the codons

Question : Terracing is an effective method of soil conservation in

Question : Term hybridoma implies

Question : Tendons are made up of:

Question : Tendon is made up of

Question : Tendon connects

Question : Ten per cent law of energy transfer in a food chain was enunciated by

Question : Technique for detecting and screening the nutritional mutants in Neurospora crassa was developed by

Question : Teats or Nipples, Hairs, Claws, Nails

Question :"Taxonomy without phylogeny is similar to bones without flesh” is a statement

Question : Taking the exaple of heart beat, justify the antagonistic action of the sympathetic and the parasympathetic nerves.

Question : Taj Mahal marble is affected by

Question : Systole causes

Question : Syphilis is a STD.

Question : Syngamy resultsin theformationof _______.

Question :Syngamy refers to

Question : Sympathetic nervous system is a part of central nervous system.

Question : Sustainable development implies a change in all aspects of life. Justify

Question : Susan's father feels very tired and frequently urinates. After clinical diagnosis he was advised to take an injection daily to maintain his blood glucose level. What would be the possible cause for this? Suggest preventive measures.

Question : Survival of the fittest' was used by

Question : Surgical removal of both the kidneys would result in deth because

Question : Sugicalmethodsof contraceptionpreventgamete formation .

Question : Surgery can be used for removal of unwanted pregnancies.

Question : Surface appendages used by bacteria to attach to one another, and to host organisms, are called

Question : Suppose you felt an earthquake, which of the following sense organs would you think was involved in this feeling?

Question : Suppose a person wears convex glasses for proper vision. Where you think the image of the object is formed in his eyes when he is not using the glasses?

Question : Sunken stomata are found in,

Question : Sulphur shower is related to

Question : Suggest three contraceptive methods to control the size of human population which is essential for the health and prosperity of a country. State the basic principle involved in each.

Question : Suggest some measures at individual level, a person can follow to protect the environment.

Question : Suggest some approaches towards conservation of forests.

Question : Suggest measures to overcome the problems of an alcoholic.

Question : Suggest four methods to manage the garbage.

Question : Suggest any four activities in daily life which are eco-friendly.

Question : Ganga Action Plan for controlling pollution in Ganges started in

Question : Suggest a few steps for controlling carbon dioxide levels in the atmosphere.

Question : Substances that are not broken down by biological processes are said to be biodegradable .

Question : Substances that are broken down by biological processes are said to be biodegradable. This is due to

Question : Submerged vegetation rots under anaerobic condition producing large amounts of methane.