24277 + Interview Questions in Biology in Class 12 Page 118 InterviewSolution

5851.	Question : The human male never passes on the gene for haemophilia to his son.
Answer» SOLUTION :The gene for HAEMOPHILIA is present on X-chromosome. A male has only one X-chromosome which he receives from his mother and Y-chromosome from father. The HUMAN male passes the X-chromosome to his DAUGHTERS but not to the male progeny (SON).

Discussion

5852.	Question : The last common ancestor between the african apes and hominids lived during_____epoch:
Answer» Oligocene Pliocene Miocene Pleistocene Answer :B

Discussion

5853.	Question : The human hind brain comprises three parts one of which is
Answer» Cerebellum HYPOTHALAMUS Spinal CORPUS CALLOSUM Answer :A

Discussion

5854.	Question : The human heart is situated in a space called ………. .
Answer» ABDOMINAL cavity mediastinum cranium sacrum Answer :B

Discussion

5855.	Question : thelarvaor embryopresentin onchosphere of Tapeworm is called
Answer» CYSTICERCUS RADIA HEXACANTH Matacercaria ANSWER :d

Discussion

5856.	Question : The human genome project was started in
Answer» OCTOBER, 1990. September, 1986 April, 2003 AUGUST, 1991 Answer :A

Discussion

5857.	Question : The largest ovules, largest male and female gametes and largest plants are found among
Answer» angiosperms tree ferns and some monocots gymnosperms dicotyledonous plants Solution :(C) Cycas with LARGEST antherozoids and ovule and the largest plant Sequoia belong to gymnosperms.Gymnosperm is a group of naked seeded plants, i.e. their ovules are not ENCLOSED by ovary walls.Ovules of gymnosperms are DIRECTLY BORNE on the megasporophyll.

Discussion

5858.	Question : The largest part of the foregut of cockroach is
Answer» Oesophagus Crop Gizzard Pharynx Answer :B

Discussion

5859.	Question : The human genome has______base pairs.
Answer» 3 billion 3 million 30million 30 billion Answer :B::C

Discussion

5860.	Question : The largest numberof sweat glands are present in _____of human body.
Answer» ANSWER :PALM

Discussion

5861.	Question : The largest number of buffaloes in the world are found in
Answer» USA russia australia INDIA ANSWER :D

Discussion

5862.	Question : The human genome project was completed in
Answer» 2002 1990 2003 1986 Answer :C

Discussion

5863.	Question :The largest National Park of the world is :
Answer» Yellowstone National PARK JIM Corbett National Park NORTHEAST Greenland National Park Royal National Park Answer :C

Discussion

5864.	Question : The humanchromosome with the highest and least number of genes in them are re- spectively
Answer» CHROMOSOME 21 and Y chromosome 1 and X chromosome 1 and Y chromosome X and Y Answer :c

Discussion

5865.	Question : The human chromosome with the highest and least number of genes in them are respectively :
Answer» Chromosome 21 and Y Chromosome 1 and X Chromosome 1 and Y Chromosome X and Y Answer :B

Discussion

5866.	Question : The human chromosome with the highest and least number of genes in them are respectively
Answer» CHROMOSOME 21 and Y Chromosome 1 and X Chromosome 1 and Y Chromosome X and Y Solution :Chromosome 1 and Y Chromosome one have 2968 genes (highest) Chromosome Y have 231 genes (LOWEST)

Discussion

5867.	Question : The horse (Equus caballus) has a diploid complement of 64 chromosomes including 36 acrocentic autosomes, the ass (Equus asinus) has 62 chromosomes including 22 acrocentic autosomes. Predict the number of chromosomes to be found in the hybrid offspring (mule) produced by mating ass (jack) to a female horse (mare):
Answer» 33 63 36 64 Answer :B

Discussion

5868.	Question : Thehormones which are foundto be moreeffectivein inducingparthenocarpy are
Answer» Cytokinis AUXINS ETHYLENE Ethephon Answer :B

Discussion

5869.	Question :The ' hot spots ' of India include :
Answer» WESTERN GHATS and SriLanka Indo - Burma Himalaya and NEIGHBOURING countries All of these Answer :D

Discussion

5870.	Question : The hormone widely used as antitranspirant
Answer» PMA ABA Silicon gels GA Answer :B

Discussion

5871.	Question : The hormone which regulates homeostasis of minerals is secreted by
Answer» ZONA reticularis of ADRENAL cortex Zone glomerulosa of adrenal cortex Zona fasciculata of adrenal cortex Adrenal medulla Answer :B

Discussion

5872.	Question : The hormone releasing intrauterine divices such as Progestasert specificially
Answer» Suppress sperm motility INCREASE phagocytosis of SPERMS Make uterus unsuitable for IMPLANTATION Suppress fertilizing capacity of sperms SOLUTION :The hormone releasing intrauterine divices such as Progetasert SPECIFICALLY make uterus unsuitable for implantation.

Discussion

5873.	Question : The hormone responsible for bolting is _____
Answer» ANSWER :GIBBERELLIN

Discussion

5874.	Question : Thehormonecapableof replacingthe requirmentof longphotoperiodsfor floweringis
Answer» ETHYLENE Auxin Gibberellin Cytokinin Answer :C

Discussion

5875.	Question : The hominid primate, whose fossil bones were discovered along with Australopithecus, but with different features and existed about 2 million years ago
Answer» HOMO erectus Homo sapiens Cro-Magnon man Homo habilis Answer :D

Discussion

5876.	Question : The hormone ACTH is secreted by:
Answer» ADRENAL cortex Adrenal mendulla Pituitary gland Thymus gland Answer :C

Discussion

5877.	Question : The hole present in the interventricular septum is called
Answer» ASD HOLE VSD hole PDA None of these Answer :B

Discussion

5878.	Question : The historic convention on Biological Diversityheld in Rio de Janeiro in 1992 is known as :
Answer» CITES Convention The EARTH SUMMIT G - 16 Summit MAB Programme ANSWER :C

Discussion

5879.	Question :The historic convention on biological diversity ( The earth summit ' ) was held in ( A ) In a follow - up , ' The World Summit ' on sustainable development was held in ( B )
Answer» A = Rio de Janeiro ( BRAZIL ) 1992 B= Johannesberg ( South Africa ) 2002 A = Johannesberg ( South Africa ) 2002 B = Rio de Janeiro ( Brazil ) 1992 A = GLAND ( Switzerland ) 1992 B = MORGES ( switzerland ) 2002 A = Morges ( Switzerland ) 2002 B = Gland ( Switzerland ) 1992 Answer :A

Discussion

5880.	Question : The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as
Answer» CITES Convention The Earth SUMMIT G-16 Summit MAB Programme Solution :The Earth Summit The Earth Summit : This historical convention on biological DIVERSITY HELD in Rio-de-Janeiro, BRAZIL in 1992. Participating nations TAKE appropriate measure for conservation of biodiversity and sustainable utilization of its benefits.

Discussion

5881.	Question : The hilum and micropyle lie side by side very close to each other in :
Answer» ANATROPOUS OVULE Campylotropous ovule Amphitropous ovule Circinotropous ovule Answer :A

Discussion

5882.	Question : The histiocytes of the connective tissue are involved in
Answer» HEPARIN secretion Phagocytosis Inflammation Absorption Answer :B

Discussion

5883.	Question : The highly structured three-dimensional network of protein fibrils in cytoplasmic matrix is called.
Answer» ANSWER :CYTOSKELETON

Discussion

5884.	Question : The highly degraded organic matter rich in nitrogen and potassium in particulas, resulting from the activity of earthworms is called:
Answer» WORM CASTINGS VERMI compost Compost bedding Humus Answer :B

Discussion

5885.	Question : The highest no of species in the world is represented by
Answer» Fungi Mosses Algae Lichens Answer :A

Discussion

5886.	Question : The highest DDT concentration in aquatic food chain shall occur in
Answer» phytoplankton seagull crab eel ANSWER :B

Discussion

5887.	Question : The highest cranial capacity is/was present in
Answer» JAVA MAN Peking man HANDY man MODEM man SOLUTION :Modem man

Discussion

5888.	Question : The high yeilding hybrid crop varieties to exploit hybrid vigour,the farmers need to purchase fresh hybrid seed every year because
Answer» hybridvigour is not long standing DUE to inbreeding depreession they are not allowed to GROW their own it is always associated with increased heterozygosity always associated ANSWER :C

Discussion

5889.	Question : The heterotrophic hypothesis helps us to understand
Answer» Definition of the term LIFE DIFFERENCE between living and non-living Increasing complexity moving from the atom to the simple MOLECULE to complex proteins to living organisms, populations, societies and communities All of the above ANSWER :D

Discussion

5890.	Question : The hereditary material present in the bacterium E. coli is
Answer» SINGLE STRANDED DNA RNA DOUBLE stranded DNA protein ANSWER :C

Discussion

5891.	Question : The heritable mutations observed in a population at high frequency is referred to as
Answer» DNA polymorphism Genetic RECOMBINATIONS RNA polymorphism None of these Answer :A

Discussion

5892.	Question : The herbarium sheet carry label on the right hand side at lower corner. it does not carry information on
Answer» NAME of the collector lifespan of the plant family of the specimen date of collection Answer :B

Discussion

5893.	Question : The hepatopancreatic duct guarded by a sphincter called
Answer» PYLORIC sphincter Sphincter of Oddi Sphincter of Boyden Cardiac sphincter Answer :D

Discussion

5894.	Question : The hepatic portal vein carries blood from A to Bbefore it is delivered to systemic circulation. Choose the option which gives the correct description for A and B ?
Answer» LIVER (A) INTESTINE (B) Intstine (A) Liver (B) Liver (A) HEART (B) Intestine (A) Heart (B) ANSWER :B

Discussion

5895.	Question : "The heart which beats throughout life does not become bigger" this statement draw back of theory of ……….
Answer» HUGO -de - VRIES DARWIN Lamark Both (A) and (B) SOLUTION :Lamark

Discussion

5896.	Question : The heart of cockroach is
Answer» Myogenic Neurogenic Neuro-myogenic None of the above Answer :B

Discussion

5897.	Question : The heart is ......... chambered in Periplaneta
Answer» 4 9 11 13 Answer :D

Discussion

5898.	Question :The headquarter of IUCN - Red list is in
Answer» USA UK Switzerland India Answer :B

Discussion

5899.	Question : The headquarter of NBPGR is situated at________________.
Answer» ANSWER :IARI, NEW DELHI

Discussion

5900.	Question : The Hardy-Weinberg principle cannot operate if
Answer» a population does not MIGRATE for a longtime to a new habitat frequent MUTATIONS occur in the population the population has no change of INTERACTION with other populations free INTERBREEDING occurs among all membres of the population. Solution :Refer to ANSWER 70.

Discussion

Explore topic-wise InterviewSolutions in .

Question : The human male never passes on the gene for haemophilia to his son.

Question : The last common ancestor between the african apes and hominids lived during_____epoch:

Question : The human hind brain comprises three parts one of which is

Question : The human heart is situated in a space called ………. .

Question : thelarvaor embryopresentin onchosphere of Tapeworm is called

Question : The human genome project was started in

Question : The largest ovules, largest male and female gametes and largest plants are found among

Question : The largest part of the foregut of cockroach is

Question : The human genome has______base pairs.

Question : The largest numberof sweat glands are present in _____of human body.

Question : The largest number of buffaloes in the world are found in

Question : The human genome project was completed in

Question :The largest National Park of the world is :

Question : The humanchromosome with the highest and least number of genes in them are re- spectively

Question : The human chromosome with the highest and least number of genes in them are respectively :

Question : The human chromosome with the highest and least number of genes in them are respectively

Question : Thehormones which are foundto be moreeffectivein inducingparthenocarpy are

Question :The ' hot spots ' of India include :

Question : The hormone widely used as antitranspirant

Question : The hormone which regulates homeostasis of minerals is secreted by

Question : The hormone releasing intrauterine divices such as Progestasert specificially

Question : The hormone responsible for bolting is _____

Question : Thehormonecapableof replacingthe requirmentof longphotoperiodsfor floweringis

Question : The hominid primate, whose fossil bones were discovered along with Australopithecus, but with different features and existed about 2 million years ago

Question : The hormone ACTH is secreted by:

Question : The hole present in the interventricular septum is called

Question : The historic convention on Biological Diversityheld in Rio de Janeiro in 1992 is known as :

Question :The historic convention on biological diversity ( The earth summit ' ) was held in ( A ) In a follow - up , ' The World Summit ' on sustainable development was held in ( B )

Question : The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as

Question : The hilum and micropyle lie side by side very close to each other in :

Question : The histiocytes of the connective tissue are involved in

Question : The highly structured three-dimensional network of protein fibrils in cytoplasmic matrix is called.

Question : The highly degraded organic matter rich in nitrogen and potassium in particulas, resulting from the activity of earthworms is called:

Question : The highest no of species in the world is represented by

Question : The highest DDT concentration in aquatic food chain shall occur in

Question : The highest cranial capacity is/was present in

Question : The high yeilding hybrid crop varieties to exploit hybrid vigour,the farmers need to purchase fresh hybrid seed every year because

Question : The heterotrophic hypothesis helps us to understand

Question : The hereditary material present in the bacterium E. coli is

Question : The heritable mutations observed in a population at high frequency is referred to as

Question : The herbarium sheet carry label on the right hand side at lower corner. it does not carry information on

Question : The hepatopancreatic duct guarded by a sphincter called

Question : The hepatic portal vein carries blood from A to Bbefore it is delivered to systemic circulation. Choose the option which gives the correct description for A and B ?

Question : "The heart which beats throughout life does not become bigger" this statement draw back of theory of ……….

Question : The heart of cockroach is

Question : The heart is ......... chambered in Periplaneta

Question :The headquarter of IUCN - Red list is in

Question : The headquarter of NBPGR is situated at________________.

Question : The Hardy-Weinberg principle cannot operate if