24277 + Interview Questions in Biology in Class 12 Page 10 InterviewSolution

451.	Question : Which disease caused by bacteria in plants?
Answer» RED ROT Lat blight BROWN RUST BLACK rot Solution : Black rot

Discussion

452.	Question : Which disease can not be controlled by taking vaccination ?
Answer» Pneumonia FILARIASIS Diptheria Polio SOLUTION :Filariasis

Discussion

453.	Question : Which dicot plant shows parallel venation ?
Answer» ANSWER :Calophyllum inophyllum

Discussion

454.	Question : Which derived monosaccharide is component of bacterial cell wall?
Answer» Dexoyribose N-acetyl glucosamine Mannitol Ascorbic acid Answer :B

Discussion

455.	Question : Which day is celebrated as world population day ?
Answer» ANSWER :JULY -II

Discussion

456.	Question : World environment day is
Answer» 21ST May 5th June 25th September 13th December Answer :B

Discussion

457.	Question : Which day is celebrated as "International Day for preservation of ozone layer" ?
Answer» ANSWER :A::B

Discussion

458.	Question : Which day is celebrated as world conservation day ?
Answer» ANSWER :3RD DECEMBER

Discussion

459.	Question : Which dairy is located in Mehsana ?
Answer» AMUL DAIRY DUDHSAGAR Dairy Banas Dairy Surhul Dairy SOLUTION :Dudhsagar Dairy

Discussion

460.	Question : Which culture medium is commonly used these days?
Answer» SOLUTION :MS medium (Murashige and Skoog) is the COMMONLY used CULTURE medium.

Discussion

461.	Question : Which cytological phenomenon is antagonistic to linkage ?
Answer» ANSWER :CROSSING over

Discussion

462.	Question : Which cytological configuration proves occurrence of crossing over ?
Answer» ANSWER :CHIASMA (X)

Discussion

463.	Question : Which crop utilises solar energy most efficiently
Answer» Potato SUGARCANE WHEAT RICE SOLUTION :Sugarcane

Discussion

464.	Question : Which crop is being cultivated in some states of our country?
Answer» BT cotton Bt tobacco Bt rice Bt wheat Answer :A

Discussion

465.	Question : Which creatures are direct or indirect food of all creatures on the ocean'ssurface?
Answer» FISH PROTOZOANS PHYTOPLANKTON AQUATIC insects Answer :C

Discussion

466.	Question : Which cranial nerve is called a dentist nerve?
Answer» SOLUTION :Trigeminal, the VTH CRANIAL NERVE is called a DENTIST nerve.

Discussion

467.	Question :Which country of the world has implemented programmes for family health at national level ?
Answer» INDIA U.S.A U.K China Answer :A

Discussion

468.	Question : Which cranial nerve innervalos organs outside the cephalic region?
Answer» TRIGEMINAL AUDITORY GLOSSOPHARYNGEAL VAGUS ANSWER :D

Discussion

469.	Question : Which cranial nerve gives out many number of branches?
Answer» Vagus Trigeminal Optic Facial Answer :A

Discussion

470.	Question :Which country was first to organise and initiate reproductive health Programmes at national level?
Answer» Solution :India is a first country of the world who has initiated action plans and programmes at a national level to attain total reproductive health as a social goal. The programmes CALLED "Family Planning" was initiated in 1951 and were periodically assessed over the past decades. Under this programmes people are encouraged for a small family. The title of "we two, our two" was been made famous. The efforts are being made for positive approach in this direction by various ENCOURAGING plans for people. Improved programmes covering wider reproduction related areas are currently in operation under the popular name Reproductive and Child Health CARE (RCH) programmes. Creating awareness among people about various reproduction related ASPECTS and providing facilities and support for building up a reproductively healthy society are the major tasksunder these programmes.

Discussion

471.	Question : Which condition is not clear in the following floral formula (A) Type of placentation (B) Aestivation of corolla and Calyx (C) Gamosepalous and polypetalous condition (D) Number of carpels (E) Symmetry of flower
Answer» CONDITION A and B is not clear Condition E and B is not clear Condition A and C is not clear Condition A, B and C is not clear Answer :A

Discussion

472.	Question : Which conserved motifs are found In E. coli genes ?
Answer» TATA BOX CAATbox Pribnow box All of these SOLUTION :Pribnow box

Discussion

473.	Question : Which compounds act as first messenger for the cells?
Answer» ANSWER :HORMONES

Discussion

474.	Question : Which compound has very important role in prebiotic evolution?
Answer» `SO_(2)` `NO` `CH_(4)` `SO_(3)` ANSWER :C

Discussion

475.	Question : Which compound gives rigidity to cell wall ?
Answer» ANSWER :LIGNIN

Discussion

476.	Question : Which compounds are responsible for cell recognition?
Answer» ANSWER :GLYCOPROTEIN and GLYCOLIPID

Discussion

477.	Question : Which component of conduction pathway of heartis responsible for maintaining the contractile activity of the heart ?
Answer» SA node AV node Bundle of His Purkinje fibres Answer :A

Discussion

478.	Question : Which component of a fertile soil is reduced as the result of burning crops?
Answer» Calcium Clay Humus Sand Answer :C

Discussion

479.	Question : Which community is likely to be destroyed due to invasions of alien plant and animal species ?
Answer» PRESENCE of Evergreen FOREST in equatorial REGION TROPICAL forest Mangroves COMMUNITY on sea island Solution :Community on sea island

Discussion

480.	Question : Which clotting factors are deficient in bleeder's disease or haemophilia?
Answer» SOLUTION :CLOTTING factors VIII or IX are DEFICIENT in bleeder's disease or HAEMOPHILIA.

Discussion

481.	Question : Mention the total number of chromosome in human. Which chromosome of man has the least number of genes?
Answer» SOLUTION : .Y. CHROMOSOMES

Discussion

482.	Question : Which city has the highest concentration of carbon monoxide pollution?
Answer» Solution :KOLKATA has the highest CONCENTRATION of carbon monoxide (CO) POLLUTION.

Discussion

483.	Question : Which city has highest concentration of suspended particulate matter in the air?
Answer» SOLUTION :DELHI has highest concentration of SUSPENDED PARTICULATE matter in the AIR.

Discussion

484.	Question : Which chromosomes in humans and chimpanzee show an identical banding pattern?
Answer» SOLUTION :3RD, 6TH

Discussion

485.	Question : Which chromosome was uesd by Dr. Lalji Singh for obtaining radioactive DNA probe?
Answer» Solution :DR. Lalji Singh used Y chromosome from female banded KRAIT SNAKE.

Discussion

486.	Question : Which chromosome of man has the least number of genes?
Answer» SOLUTION :Y - CHROMOSOME

Discussion

487.	Question : Which chromosome is called Androsome ?
Answer» ANSWER :Y-chromosome

Discussion

488.	Question : Which chemicals causes allergy and how can the cause of Allergy be determined ?
Answer» Solution :Allergy is due the release of chemicals like Histamine and Serotonin from mast CELL. For determining the CAUSE of allergy, the patient is exposed to or injected with small doses of possible allergens, and the REACTIONS are studied. The USE of drugs like anti-histamine, adrenalin and steroids QUICKLY reduce the symptoms of allergy.

Discussion

489.	Question :Which chemicals are available in market to remove pest, insects and fungi?(A) Insecticides(B) Pesticides(C) Fungicides(D) pesticides, Insecticides and fungicides
Answer» INSECTICIDES PESTICIDES FUNGICIDES Insecticids, pesticides and fungicides Solution :Insecticids, pesticides and fungicides

Discussion

490.	Question : Which chemical is utilized in water to destroy mosquitoes?
Answer» 2-4-D Aldrin DDT Gammexane ANSWER :C

Discussion

491.	Question : Which chemical is required as a growth regulator in callus culture ?
Answer» Auxin Cytokinin GIBBERRELIN Both (A) and (B) SOLUTION :Both (A) and (B)

Discussion

492.	Question : Which chemical is emerging as one of the important construction materials for flexible pavement ?(A) Butanol(B) Ethanol(C) Bitumen(D) Acetone
Answer» Butanol Ethanol Bitumen Acetone ANSWER :C

Discussion

493.	Question : Which chemical is the treatment used for allergens ?
Answer» Histamine ADRENALINE Nor Adrenaline Prostagladins SOLUTION :Adrenaline

Discussion

494.	Question : Which characters of the following of Dryopithecus '?
Answer» FORELIMBS shorter than hindlimbs They lived in miocene peri Ancestor of CHIMPANZEE and Gorilla All of above SOLUTION :All of above

Discussion

495.	Question : Which characters are Archeopterix characters are associated with which phylum ?
Answer» REPTILES- BIRD Annelida-Arthropoda Fishes-Amphibian Chordates-Invertebrates SOLUTION :Reptiles- Bird

Discussion

496.	Question : Which characteristics of endothercium help inthe dehiscence of the anter?
Answer» SOLUTION :Fibrous thickening and HYGROSCOPIC nature of the cells of the ENDOTHECIUM HELP in the DEHISCENCE of the anther.

Discussion

497.	Question : Which characteristic property of Bryophyllum is expolited by gardeners ?
Answer» SOLUTION :ADVENTITIOUS bud ARISING from margin of the leaf.

Discussion

498.	Question : Which characteristic of water pollinated species of pollen grains protect them from water?
Answer» SOLUTION :PRESENCE of mucilagenous COVERING

Discussion

499.	Question : Which character was dominant among the 7 characters in Mendel.s experiment?
Answer» PLANT height - DWARF Flower position - terminal Pod colour - green Seed colour - green Solution :Pod colour - green

Discussion

500.	Question : Which character of cotton leads to nonattraction of boll worms ?
Answer» HIGH ASPARTIC acid Smooth LEAVES and necter less Low SUGAR content Thick stem Answer :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Which disease caused by bacteria in plants?

Question : Which disease can not be controlled by taking vaccination ?

Question : Which dicot plant shows parallel venation ?

Question : Which derived monosaccharide is component of bacterial cell wall?

Question : Which day is celebrated as world population day ?

Question : World environment day is

Question : Which day is celebrated as "International Day for preservation of ozone layer" ?

Question : Which day is celebrated as world conservation day ?

Question : Which dairy is located in Mehsana ?

Question : Which culture medium is commonly used these days?

Question : Which cytological phenomenon is antagonistic to linkage ?

Question : Which cytological configuration proves occurrence of crossing over ?

Question : Which crop utilises solar energy most efficiently

Question : Which crop is being cultivated in some states of our country?

Question : Which creatures are direct or indirect food of all creatures on the ocean'ssurface?

Question : Which cranial nerve is called a dentist nerve?

Question :Which country of the world has implemented programmes for family health at national level ?

Question : Which cranial nerve innervalos organs outside the cephalic region?

Question : Which cranial nerve gives out many number of branches?

Question :Which country was first to organise and initiate reproductive health Programmes at national level?

Question : Which condition is not clear in the following floral formula (A) Type of placentation (B) Aestivation of corolla and Calyx (C) Gamosepalous and polypetalous condition (D) Number of carpels (E) Symmetry of flower

Question : Which conserved motifs are found In E. coli genes ?

Question : Which compounds act as first messenger for the cells?

Question : Which compound has very important role in prebiotic evolution?

Question : Which compound gives rigidity to cell wall ?

Question : Which compounds are responsible for cell recognition?

Question : Which component of conduction pathway of heartis responsible for maintaining the contractile activity of the heart ?

Question : Which component of a fertile soil is reduced as the result of burning crops?

Question : Which community is likely to be destroyed due to invasions of alien plant and animal species ?

Question : Which clotting factors are deficient in bleeder's disease or haemophilia?

Question : Mention the total number of chromosome in human. Which chromosome of man has the least number of genes?

Question : Which city has the highest concentration of carbon monoxide pollution?

Question : Which city has highest concentration of suspended particulate matter in the air?

Question : Which chromosomes in humans and chimpanzee show an identical banding pattern?

Question : Which chromosome was uesd by Dr. Lalji Singh for obtaining radioactive DNA probe?

Question : Which chromosome of man has the least number of genes?

Question : Which chromosome is called Androsome ?

Question : Which chemicals causes allergy and how can the cause of Allergy be determined ?

Question :Which chemicals are available in market to remove pest, insects and fungi?(A) Insecticides(B) Pesticides(C) Fungicides(D) pesticides, Insecticides and fungicides

Question : Which chemical is utilized in water to destroy mosquitoes?

Question : Which chemical is required as a growth regulator in callus culture ?

Question : Which chemical is emerging as one of the important construction materials for flexible pavement ?(A) Butanol(B) Ethanol(C) Bitumen(D) Acetone

Question : Which chemical is the treatment used for allergens ?

Question : Which characters of the following of Dryopithecus '?

Question : Which characters are Archeopterix characters are associated with which phylum ?

Question : Which characteristics of endothercium help inthe dehiscence of the anter?

Question : Which characteristic property of Bryophyllum is expolited by gardeners ?

Question : Which characteristic of water pollinated species of pollen grains protect them from water?

Question : Which character was dominant among the 7 characters in Mendel.s experiment?

Question : Which character of cotton leads to nonattraction of boll worms ?