24277 + Interview Questions in Biology in Class 12 Page 279 InterviewSolution

13901.	Question : Its short arm resemble to man.
Answer» RAMAPITHECUS KENYAPITHECUS AUSTRALOPITHECUS PROPLIOPITHECUS Solution :Propliopithecus

Discussion

13902.	Question :Loss of water in its liquid phase from the margin of leaves is called
Answer» Guttation Cuticular TRANSPIRATION LENTICULAR transpiration Root PRESSURE ANSWER :A

Discussion

13903.	Question : Its secretionmakes sperms functional
Answer» PROSTATE GLAND Seminal vesicle Bulbourethral gland B and C both ANSWER :A

Discussion

13904.	Question : Its secretion acts as lubrication during coitus?
Answer» Seminal VESICLE BULBOURETHRAL GLAND Prostate gland Ovary Answer :B

Discussion

13905.	Question : Loss of water from aerial parts of plants in form of water vapour.
Answer» ANSWER :TRANSPIRATION

Discussion

13906.	Question : It.s secretion activate the sperm.
Answer» SEMINAL VESICLE Bulbo URETHRAL GLAND Prostate gland NONE of these Answer :C

Discussion

13907.	Question : Lorain dwarfs caused by hyposecretion of GH are …………. .
Answer» MENTALLY abnormal mentally normal physically tall retarded Answer :B

Discussion

13908.	Question : It.s secretion act as lubricant during copulation.
Answer» Bulbourethral GLAND Seminal vesicle Prostate gland Both (B) and (C ) ANSWER :A

Discussion

13909.	Question : Oozing out of water drops from injured edges or tips of leaves of herbaceous plants is called:
Answer» ANSWER :GUTTATION

Discussion

13910.	Question : Its fossil is collected from east Mrica.
Answer» RAMAPITHECUS KENYAPITHECUS AUSTRALOPITHECUS Dryopithecus Solution :Kenyapithecus

Discussion

13911.	Question : Loss of amino group from alanine forms an organic compound which can be used in respiration & this compounds is :-
Answer» a-Kelogutarate Asparatic acid OAA Pyruvic acid Answer :D

Discussion

13912.	Question : Its fossils are collected from India and Africa.
Answer» RAMAPITHECUS KENYAPITHECUS Australiopithecus Dryopithecus Solution :Ramapithecus

Discussion

13913.	Question : Loreal pit of Vipers is
Answer» Thermoreceptor Gustatoreceptor Photoreceptor Phonoreceptor Solution :N//A

Discussion

13914.	Question : Its dentition is more identical to dentition of man.
Answer» RAMAPITHECUS KENYAPITHECUS DRYOPITHECUS Propliopithecus Solution :Ramapithecus

Discussion

13915.	Question : What is the cancer occurring in the muscles , cartilages ,bones ,blood vessels and connective tissue called ?
Answer» Areolar Adipose Blood Ligament Answer :A

Discussion

13916.	Question : It were found as a distinct bodies in cell during molecular evolution
Answer» AMP ADP `CH_4` Both (A) and (B) SOLUTION :Both (A) and (B)

Discussion

13917.	Question : Loops of lampbrush chromosome are composed of
Answer» Protein and RNA DOUBLE helix DNA only Double helix DNA , protein and RNA SINGLE strandedDNA, protein and RNA Solution :Lampbrush chromosomes were first discovered by Flemming in amphibian oocytes

Discussion

13918.	Question : It was diagnosed by a specialist that the immune system of the body of a patient has been suppressed. Name the disease the patient is suffering from and its causative agent.
Answer» SOLUTION :AIDS, HIV

Discussion

13919.	Question : Loose and indistinct network of nucleoprotein fibres present in interphase nucleus is called
Answer» Chromosome Chromatin CHROMONEMATA CHROMATID ANSWER :B

Discussion

13920.	Question : It was 2 to 5 million years old.
Answer» RAMAPITHECUS KENYAPITHECUS Australiopithecus DRYOPITHECUS SOLUTION :Australiopithecus

Discussion

13921.	Question :Loop of Henle plays a significant role in the maintenance of
Answer» LOW osmolarity in MEDULLARY INTERSTITIAL fluid high osmolarity in cortical interstitial fluid low osmolarity in cortical interstitial fluid high osmolarity in medullary interstitial fluid ANSWER :D

Discussion

13922.	Question : It takes ………. For the entire blood to pass through glomerulus once.
Answer» 4 seconds 4 minutes 4 hours 40 minutes Answer :B

Discussion

13923.	Question : Loop of Henle lies in:
Answer» CORTEX Medulla Pelvis Ureter Answer :B

Discussion

13924.	Question : It shows correct chronological order of the events occurring during callus culture :-
Answer» Callus `to` Cell DIVISION `to` Explant `to` Addition of CYTOKININ `to` Acquire MERISTEMATIC property Explant `to` Callus `to` Cell division `to` Addition of cytokinin `to` Cell acquire meristamatic property Explant `to` Cell division `to` Callus `to` Addition of cytokinin `to` CELLS acquire meristematic property Callus `to` Explant `to` Cell division to Addition of cytokinin `to` Cells acquire meristematic property Answer :C

Discussion

13925.	Question : It lived during late Miocene and early Pliocene.
Answer» RAMAPITHECUS KENYAPITHECUS Australiopithecus DRYOPITHECUS SOLUTION :Ramapithecus

Discussion

13926.	Question : Looking at the deteriorating air quality because of air pollution in many cities of the country, the citizens are very much worried and concerned about their health. The doctors have declared health emergencyin the in cities where the air quality is very severely poor. (a) Mention any two major causes of air pollution. (b) Write any two harmful effects of air pollution to plants and humans. (c) As a caption of your school Eco-club, suggest any two programmes you would plan to organise in the school so as to bring awareness among the students on how to check air pollution in and around the school
Answer» SOLUTION :(a) AUTOMOBILES, INDUSTRIES. (B) N/A (C) N/A

Discussion

13927.	Question : Looking at deteriorating air quality because of air pollution in many cities of the country the citizen are very much worried and concerned about their helath .The doctors have declared health emergency in the cities where the air quality is very severley poor. (a) Mention any two major cuses of air pollution (b) Write any two harmful effect of air pollution to plants and humans.
Answer» SOLUTION :(a) Twocauses of air pollution: (i) Burning of fossil fuels (ii) smoke released from vehicles (iii) industrial effluents (iv) smoke stacks of thermal power plants (b) HARMFUL effects of air pollution : (i) It affects respiratory system of human and of ANIMALS (ii) It also reduces growht and yeild ofcrops and cause premature death of plants (c ) (i) Encouraging public transprot i.ebuses and USING CNG instead of diesel (ii) Planting more trees to CURB pollution

Discussion

13928.	Question : It makes the entry of sperm into oocytes possible.
Answer» PROGESTERON HYALURONIDASE Testosteron Both (A) and (C ) ANSWER :B

Discussion

13929.	Question : Look at the given diagram of events during muscle contraction, named as A,B,C. Identidy the diagram that shows gradual shortening of length of Sarcomere :-
Answer» Only A & B Only B& C Only B Only A & C Answer :C

Discussion

13930.	Question : It provides a temporary storage site for immature sperm.
Answer» SEMINIFEROUS tubules Vasa efferentia Vas deferens Epididymis ANSWER :D

Discussion

13931.	Question :Look at the given diagram of events during muscle contraction, named as A, B, C. Identify the diagram that shows gradual shortening of 'length of Sarcomere
Answer» Only A & B Only B & C Only B Only A & C Answer :C

Discussion

13932.	Question : It known that exposure to carbon monoxide is harmful to animals because
Answer» It REDUCES `CO_2`TRANSPORT It reduces `O_2`transport It INCREASES `CO_2`transport It increases `O_2`transport ANSWER :B

Discussion

13933.	Question : Longest visceral muscle occurs in :-
Answer» VAS defrens Uterus of PREGNANT lady Thigh Abdomen Answer :B

Discussion

13934.	Question :It is very important evolutionary trend.
Answer» Increase size of BRAIN and development of intelligence. CHANGE of arboreal life into terrestrial life. Loss of opposable TOES from hindlimbs. USE of forelimbs for non-locomotory PURPOSES. Solution :Change of arboreal life into terrestrial life.

Discussion

13935.	Question : Longest podomere of cockroach's leg is
Answer» Coxa femur Tibia Tarsus Answer :C

Discussion

13936.	Question : It is worlds problematic aquatic weed.
Answer» HYDRILLA EICHORNIA crassipes CHARA Wolffia Solution :Eichornia crassipes

Discussion

13937.	Question : Longest fibres are found in
Answer» JUTE Cotton SUN HEMP COIR Answer :A

Discussion

13938.	Question : The longest phase in meiotic division is:
Answer» Prophase-I Prophase-II Anaphase-i Metpase-II Answer :A

Discussion

13939.	Question : Longer toes and long prehensile tail indicate which adaptation ?
Answer» Solution :Longer toes and long PREHENSILE tail are the ADAPTATIONS for arboreal MODE of LIFE.

Discussion

13940.	Question : It is very important for formation oflife.
Answer» Organic NUCLEOPROTEIN Inorganic NUCLEIC ACID SOLUTION :Nucleoprotein

Discussion

13941.	Question : Long-term ecosytem experiments to study biodiversity wer conducted by:
Answer» DAVID Tilman MacArthur JANE Goodall Raymond F.Dasmann ANSWER :A

Discussion

13942.	Question : Long neck of giraffe is stabilized in its evolution by
Answer» CENTRIFUGAL SELECTION Centripetal selection ADAPTIVE radiation Directional selection Answer :B

Discussion

13943.	Question : Long exposure to dust can give rise to:
Answer» Answer :Inflammation leading to PROLIFERATION of FIBROUS TISSUES in LUNGS.

Discussion

13944.	Question : Long exposure to dust causes inflammation leading to
Answer» FIBROSIS DECREASING RESPIRATORY SURFACE area Accumulation of mucus Inflammation of bronchi Answer :A

Discussion

13945.	Question : Lomentum fruits are considered to be modified legumes but few lomentum fruitis internally resemble siliqua such a fruit is that of
Answer» rahanus sativus MIMOSA pudica ARACHIS hyupogea tamarindus INDICA ANSWER :A

Discussion

13946.	Question : Logistic growth model is more realistic than exponential growth model. Why?
Answer» Solution :SINCE RESOURCES for GROWTH for most animal populations are finite and become LIMITING sooner or LATER, the logistic growth model is more realistic.

Discussion

13947.	Question : Lohi is a breed of
Answer» SHEEP GOAT fowl geese ANSWER :A

Discussion

13948.	Question : log S = log C + Z log A equation indicates ……..
Answer» LOSS of biodiversity Biodiversity Species AREA relationships Latitudinal GRADIENT ANSWER :C

Discussion

13949.	Question : It is very difficult to get rid of Eichhornia from the water body. Give reasons.
Answer» Solution :Eichhornia is AQUATIC weed also CALLED as WATER hyacinth introduced in India for its beautiful flowers and SHAPE of leaf. It propagates vegetatively at a phenomenal rate. It spreads all over the water body in a short period of time. Propagating UNITS are called as offsets.

Discussion

13950.	Question : Log S = log C + Z log A (logarithmic formula for species - area relation). True about this formula is :
Answer» S = Species RICHNESS, A = AREA Z = Regression coefficient C = Y-intercept All of the above Solution :All of the above

Discussion

Explore topic-wise InterviewSolutions in .

Question : Its short arm resemble to man.

Question :Loss of water in its liquid phase from the margin of leaves is called

Question : Its secretionmakes sperms functional

Question : Its secretion acts as lubrication during coitus?

Question : Loss of water from aerial parts of plants in form of water vapour.

Question : It.s secretion activate the sperm.

Question : Lorain dwarfs caused by hyposecretion of GH are …………. .

Question : It.s secretion act as lubricant during copulation.

Question : Oozing out of water drops from injured edges or tips of leaves of herbaceous plants is called:

Question : Its fossil is collected from east Mrica.

Question : Loss of amino group from alanine forms an organic compound which can be used in respiration & this compounds is :-

Question : Its fossils are collected from India and Africa.

Question : Loreal pit of Vipers is

Question : Its dentition is more identical to dentition of man.

Question : What is the cancer occurring in the muscles , cartilages ,bones ,blood vessels and connective tissue called ?

Question : It were found as a distinct bodies in cell during molecular evolution

Question : Loops of lampbrush chromosome are composed of

Question : It was diagnosed by a specialist that the immune system of the body of a patient has been suppressed. Name the disease the patient is suffering from and its causative agent.

Question : Loose and indistinct network of nucleoprotein fibres present in interphase nucleus is called

Question : It was 2 to 5 million years old.

Question :Loop of Henle plays a significant role in the maintenance of

Question : It takes ………. For the entire blood to pass through glomerulus once.

Question : Loop of Henle lies in:

Question : It shows correct chronological order of the events occurring during callus culture :-

Question : It lived during late Miocene and early Pliocene.

Question : It makes the entry of sperm into oocytes possible.

Question : Look at the given diagram of events during muscle contraction, named as A,B,C. Identidy the diagram that shows gradual shortening of length of Sarcomere :-

Question : It provides a temporary storage site for immature sperm.

Question :Look at the given diagram of events during muscle contraction, named as A, B, C. Identify the diagram that shows gradual shortening of 'length of Sarcomere

Question : It known that exposure to carbon monoxide is harmful to animals because

Question : Longest visceral muscle occurs in :-

Question :It is very important evolutionary trend.

Question : Longest podomere of cockroach's leg is

Question : It is worlds problematic aquatic weed.

Question : Longest fibres are found in

Question : The longest phase in meiotic division is:

Question : Longer toes and long prehensile tail indicate which adaptation ?

Question : It is very important for formation oflife.

Question : Long-term ecosytem experiments to study biodiversity wer conducted by:

Question : Long neck of giraffe is stabilized in its evolution by

Question : Long exposure to dust can give rise to:

Question : Long exposure to dust causes inflammation leading to

Question : Lomentum fruits are considered to be modified legumes but few lomentum fruitis internally resemble siliqua such a fruit is that of

Question : Logistic growth model is more realistic than exponential growth model. Why?

Question : Lohi is a breed of

Question : log S = log C + Z log A equation indicates ……..

Question : It is very difficult to get rid of Eichhornia from the water body. Give reasons.

Question : Log S = log C + Z log A (logarithmic formula for species - area relation). True about this formula is :