24277 + Interview Questions in Biology in Class 12 Page 313 InterviewSolution

15601.	Question : In man brown eye (BB) is dominant over blue (bb). A brown eyed man married a brown eyed woman. They have a blue eyed child. What will be the genotype of the parents?
Answer» SOLUTION :GENOTYPE of the PARENTS will be BB and Bb (HETEROZYGOUS)

Discussion

15602.	Question : In mammals the T-tubules of the triad system penetrate into the muscle cell at
Answer» Z-line A-I JUNCTION M-line The ENDS of the FIBRE ANSWER :B

Discussion

15603.	Question : In mammals, the testes are placed in the scrotal sacs. Give reason.
Answer» SOLUTION :Scrotal sacs provide optimum temperature for spermatogenesis. In MAN the optimum temperature for spermatogenesis is `32-35^@`C. The BODY TEMP perature of man is `37^@C`.

Discussion

15604.	Question : In mammals , maturation of sperm take place at a temperature
Answer» EQUAL to that of BODY HIGHER than that of body LOWER than that of body at any temperature Answer :C

Discussion

15605.	Question : In mammals, failure of testes to descend into the scrotum is known as
Answer» castration impotency paedogenesis cryptorchidism Answer :D

Discussion

15606.	Question : In mammals , failure of testes to descend into scrotum is known as
Answer» Paedogenesis Castration Cryptorchidism Impotency Answer :C

Discussion

15607.	Question : in mammals embryo proper is formed from
Answer» trophoblast inner CELL mass Cells of Rauber Cytotrophoblast Answer :B

Discussion

15608.	Question : In Mammalian kidney malpighian corpuscles are placed in _____.
Answer» Pelvis Medulla Cortex Pyramid Answer :C

Discussion

15609.	Question : In mammalian eye, the 'fovea' is the center of the visual field, where :
Answer» More rods than cones are found High density of cones ocur, but has no rods The OPTIC nerve leaves the EYE Only rods are PRESENT Answer :B

Discussion

15610.	Question : In males testes are contained in the scrotal sacs because
Answer» other ORGANS do not make space for the testes in the abdominal cavity testes in the abdomen will hamper maturation of sperms it provides temperature that is slightly lower than body temperature required for FORMATION of sperm it FACILITATES ejaculation Answer :C

Discussion

15611.	Question : In male cells of humans _____ is absent.
Answer» Golgibodies ER Barr body Sex chromosome Answer :C

Discussion

15612.	Question : Who is called as the forest man of India?
Answer» SOLUTION :Jadav Payeng

Discussion

15613.	Question : Hysterectomy is surgical removal of
Answer» Uterus Prostate gland Vas deference Mammary glands Answer :A

Discussion

15614.	Question : Hysterectomy is surgical removal of i. Uterus ii. Prostate gland iii. Vas deference iv. Mammary glands
Answer» UTERUS PROSTATE gland Vas deference Mammary glands Answer :A

Discussion

15615.	Question : Hysterectomy is surgical removal of :
Answer» UTERUS PROSTATE gland Vas-deference Mammary GLANDS Answer :A

Discussion

15616.	Question : Hypotonic urine is present in
Answer» PCT DCT collecting tubule Henle's loop Answer :A

Discussion

15617.	Question : The hypothetical 'florigen' could be released prematurely in a long day plant by exposing it to
Answer» SHORTENING LIGHT period RED light during night Extending DARK period Far red light Answer :B

Discussion

15618.	Question : Hyposecretion of thyroxine causes exophthalmic goitre.
Answer» ANSWER :HYPERSECRETION of THYROXINE CAUSES exopthalmic GOITRE.

Discussion

15619.	Question : Hypothalamus is not related with this function
Answer» controlling BODY temperature urge for DRINKING urge for EATING THINKING, reasoning Answer :D

Discussion

15620.	Question : Hyposecretion of which hormone causes eunochoidism ?
Answer» ANSWER :TESTOSTERONE

Discussion

15621.	Question : Hyposecretion of STH causes ……….. In adults.
Answer» gigantism dwarfism Simmond's disease acromegaly Answer :C

Discussion

15622.	Question : Hyposecretion ofgrowth hormone in the period of growth lead to:
Answer» Acromegaly Cushing's syndrome Dwarfism Cretinism Answer :A

Discussion

15623.	Question : Hypoglossal nerve controls the movements o
Answer» ear heart TONGUE LIMBS ANSWER :C

Discussion

15624.	Question : Hypodermis is collenchymatous in
Answer» MONOCOT ROOT SUNFLOWER stem Monocot stem dicot root Answer :B

Discussion

15625.	Question : Hypodermis of dicot stem is made up of
Answer» Parenchymatous cells Collenchymatous cells Sclerenchymatous cells Prosenchymatous cells Answer :B

Discussion

15626.	Question : Hypodermis, general cortex and endodermis constitute?.
Answer» ANSWER :CORTEX

Discussion

15627.	Question : Hypertrophyof floral parts is caused by
Answer» USTILAGO tritici PUCCINIA graminis Cystopus ASPERGILLUS ANSWER :C

Discussion

15628.	Question : Hyphae of parasitic fungi penetrate hard cell walls of their hosts with the help of
Answer» ENZYMES HORMONES sharp TIPS SUGAR EXUDATES Answer :A

Discussion

15629.	Question : Hypertrichosis of the ear is regarded as a male character. Why?
Answer» SOLUTION :The GENE for HYPERTRICHOSIS is LOCATED on the Y chromosome which is PRESENT in only males.

Discussion

15630.	Question : hypertension is characterized by
Answer» increase in SYSTOLIC PRESSURE BEYOND 80 mm Hg increase in diastolic pressure beyond 120 mm Hg increase in both SYSTOLE and diastole pressure beyond 120 and 80 mm Hg respectively decrease in both systole and diastole PRESSURES below 80 and 120 mm Hg respectively Answer :C

Discussion

15631.	Question : Hydra reproduces by budding. This is an example of (A) regeneration (B) abnormal development (C) asexual reproduction (D) sexual reproduction
Answer» REGENERATION abnormal DEVELOPMENT ASEXUAL reproduction sexual reproduction Answer :C

Discussion

15632.	Question : Hypertrichosis is a trait linked to :
Answer» X-chromosomes Y-chromosomes Autosomes None of the above Answer :B

Discussion

15633.	Question : Hydra receives impulses and stimuli through
Answer» NERVE net nematocytes SENSORY cells neuron cells. Answer :C

Discussion

15634.	Question : Hypertension.
Answer» Solution :(1)In a NORMAL healthy person the blood pressure values are 120 mm Hg(systolic)/80 mm Hg(diastolic).(2)When the blood pressure is persistently more than 140 mm Hg systolic pressure and 90 mm Hg diastolic arterial blood pressure then it is said to be hypertension of high blood pressure.(3)Excessively high blood pressure is very dangerous as high blood pressure of about 220/120 mm Hg may cause rupturing of bloods vessels.(4)Rupture of eye blood vessels an lead to blindness.(5)If blood vessels of kidney are affected then nephritis is CAUSED.(6)Haemorrhage occuring in the brain can lead to stroke or paralysis.Therefore,hypertension is commonly CALLED silent killer .It may be present for years,hypertension is commonly called silent killer.It may be present for years with no distnict symptoms.(7)The factors causing hypertension are arteriosclerosis(Deposition of cholesterol inside the blood vessels wall),obesity,physical or emotional stress,alcoholism,smoking,cholesterol rich diet,increased secretion of renin,epinephrine or aldosterone,ETC.

Discussion

15635.	Question : Hydra possesses
Answer» One TESTIS and one OVARY One testis and many ovaries Many TESTES and many ovaries Many testes and one ovary Answer :D

Discussion

15636.	Question : Hypertension and Hypotension.
Answer» SOLUTION :

Discussion

15637.	Question : Hybridoma technology has been successfully used in:
Answer» SYNTHESIS of haemoglobin production of ALCOHOL in bulk production of SOMATIC hybrids synthesis of MONOCLONAL antibodies Answer :D

Discussion

15638.	Question : Hypersonics is connected with sound of
Answer» More than 1 mach more than 5 machs less than 20 Hz more than 20000 Hz ANSWER :B

Discussion

15639.	Question : Hypersecretion of which hormone develops weak skeletal muscles (myasthenia gravis) ?
Answer» ANSWER :THYMOSIN, THYMIN I and thymin II

Discussion

15640.	Question : Hydathode helps in:
Answer» Transpiration Guttation Photosynthesis Respiration Answer :B

Discussion

15641.	Question : Hypersecretion of which hormone causes Addition's disease ?
Answer» ANSWER :ALDOSTERONE

Discussion

15642.	Question : Hybrid vigour is due to :
Answer» CROSSING over Linkage Chiasma Heterozygosity Answer :D

Discussion

15643.	Question : Hypersecretion of Growth Hormone in adults does not cause further increase in height because
Answer» GROWTH hormone BECOMES inactive in adults Epiphyseal PLATES CLOSE after adolescence Bones loose their sensitivity of Growth hormone in adults Muscle FIBRES do not grow in size after birth Answer :B

Discussion

15644.	Question : Hybrid vigour is mostly due to
Answer» SUPERIOR of all the genes HOMOZYGOSITY of PURE characters heterozygosity mixing of recessive characters only Answer :C

Discussion

15645.	Question : Hyperparasite is a kind of parasite which :
Answer» KILLS its HOST Complete life CYCLE in ONE host Uses host machinery for reproduction None of the above Answer :D

Discussion

15646.	Question : 'Hymen' is
Answer» an indicator of virginity or SEXUAL experience a thin membrane that covers the URETHRAL orifice a membrane that PARTIALLY covers the vaginal orifice a supporting STRUCTURE to clitoris Answer :C

Discussion

15647.	Question : Hyluronic acid is a heteropolysachaside of
Answer» D-glucuronic ACID and D-N-acetyl GLUCOSAMINE D-glucuronic acid and N-acetyl muramic acid N-acetyl glucosamine and N-acetyl muramic acid Glucose and fructose Answer :A

Discussion

15648.	Question : Hybrid vigour is best maintained in the case of
Answer» INBREEDING species Cross POLLINATED species Back crossing Vegatatively PROPAGATED CROP plants Answer :D

Discussion

15649.	Question : Hyleuronidase
Answer» SOLUTION :Location : It is an enzyme located in acrosome of sperm CELL. Location : Hyleuronidase makes the entry of sperm in ovum POSSIBLE in MAKING hole in the WALL of ovarian layer.

Discussion

15650.	Question : Hybrid species can be produced by
Answer» by INTERSPECIFIC hybridization inbreeding outcrossing both (1) & (2) ANSWER :A

Discussion

Explore topic-wise InterviewSolutions in .

Question : In man brown eye (BB) is dominant over blue (bb). A brown eyed man married a brown eyed woman. They have a blue eyed child. What will be the genotype of the parents?

Question : In mammals the T-tubules of the triad system penetrate into the muscle cell at

Question : In mammals, the testes are placed in the scrotal sacs. Give reason.

Question : In mammals , maturation of sperm take place at a temperature

Question : In mammals, failure of testes to descend into the scrotum is known as

Question : In mammals , failure of testes to descend into scrotum is known as

Question : in mammals embryo proper is formed from

Question : In Mammalian kidney malpighian corpuscles are placed in _____.

Question : In mammalian eye, the 'fovea' is the center of the visual field, where :

Question : In males testes are contained in the scrotal sacs because

Question : In male cells of humans _____ is absent.

Question : Who is called as the forest man of India?

Question : Hysterectomy is surgical removal of

Question : Hysterectomy is surgical removal of i. Uterus ii. Prostate gland iii. Vas deference iv. Mammary glands

Question : Hysterectomy is surgical removal of :

Question : Hypotonic urine is present in

Question : The hypothetical 'florigen' could be released prematurely in a long day plant by exposing it to

Question : Hyposecretion of thyroxine causes exophthalmic goitre.

Question : Hypothalamus is not related with this function

Question : Hyposecretion of which hormone causes eunochoidism ?

Question : Hyposecretion of STH causes ……….. In adults.

Question : Hyposecretion ofgrowth hormone in the period of growth lead to:

Question : Hypoglossal nerve controls the movements o

Question : Hypodermis is collenchymatous in

Question : Hypodermis of dicot stem is made up of

Question : Hypodermis, general cortex and endodermis constitute?.

Question : Hypertrophyof floral parts is caused by

Question : Hyphae of parasitic fungi penetrate hard cell walls of their hosts with the help of

Question : Hypertrichosis of the ear is regarded as a male character. Why?

Question : hypertension is characterized by

Question : Hydra reproduces by budding. This is an example of (A) regeneration (B) abnormal development (C) asexual reproduction (D) sexual reproduction

Question : Hypertrichosis is a trait linked to :

Question : Hydra receives impulses and stimuli through

Question : Hypertension.

Question : Hydra possesses

Question : Hypertension and Hypotension.

Question : Hybridoma technology has been successfully used in:

Question : Hypersonics is connected with sound of

Question : Hypersecretion of which hormone develops weak skeletal muscles (myasthenia gravis) ?

Question : Hydathode helps in:

Question : Hypersecretion of which hormone causes Addition's disease ?

Question : Hybrid vigour is due to :

Question : Hypersecretion of Growth Hormone in adults does not cause further increase in height because

Question : Hybrid vigour is mostly due to

Question : Hyperparasite is a kind of parasite which :

Question : 'Hymen' is

Question : Hyluronic acid is a heteropolysachaside of

Question : Hybrid vigour is best maintained in the case of

Question : Hyleuronidase

Question : Hybrid species can be produced by