24277 + Interview Questions in Biology in Class 12 Page 233 InterviewSolution

11601.	Question : Name the zoo famous for white tiger.
Answer» ANSWER :NANDANKANAN

Discussion

11602.	Question : Name the wheat varieties which were introduced all over the wheat growing belt of India and wore high yielding and disease resistant
Answer» SOLUTION :SONALIKA and KALYAN SONA

Discussion

11603.	Question :Name the water fern that is an excellent biofertiliser for rice cultivation. What helps the fern to do so?
Answer» Solution : AZOLLA, It performs NITROGEN fixation with the help of CYANOBACTERIUM ANABAENA azollae

Discussion

11604.	Question :Name the water fern that is an excellent biofertiliser for rice cultivation.
Answer» SOLUTION :AZOLLA PINNATA

Discussion

11605.	Question : Namethe walllayersof a pollein grain .
Answer» SOLUTION :Exineandlntine

Discussion

11606.	Question : Name the vitamins produced in our colon with help of bacteria.
Answer» ANSWER :VITAMIN `B_12` and K

Discussion

11607.	Question : Name the virus that causes genital warts.
Answer» ANSWER :HUMAN PAPILLOMA VIRUS

Discussion

11608.	Question : Name the viral diseases in poultry animals.
Answer» SOLUTION :Ranikhet, AVIAN influenza and BRONCHITIS are the viral diseases in poultry ANIMALS.

Discussion

11609.	Question : Name the vegetative propagules of the following plants . (a) Allium cepa (b) Zingiber officinalis (c) Agave (d) Colocasia
Answer» Solution :(a) Allium CEPA - BULB (B) Zingiber offficinalis - RHIZOME (c) Agave - BULBILS (d) Colocasia - Corm

Discussion

11610.	Question : Name the vegetative propagules of the following plants. (a) Agave.(b) Ginger. (c) Bryophyllum.
Answer» SOLUTION :LEAF BUDS

Discussion

11611.	Question : Name the vestigial organ in the alimentary canal of man.
Answer» ANSWER :VERMIFORM APPENDIX

Discussion

11612.	Question : Name the vector used for transferring ADA-cDNA into the recipient cells in humans: Name the recipient cells.
Answer» SOLUTION :A RETROVIRAL vector is USED, the recipient CELLS are lymphocytes.

Discussion

11613.	Question : Name the vector of Wuchereria bancrofti.
Answer» ANSWER :FEMALE CULEX MOSQUITO

Discussion

11614.	Question : Name the various types of prokaryotic DNA polymerase. State their role in replication process.
Answer» SOLUTION :`{:("DNA POLYMERASE I"),("DNA polymerase II"):}}` Involved in DNA repair mechanism DNA polymerase III} Involved in DNA replication

Discussion

11615.	Question : Name the types of endosperm based on development.
Answer» SOLUTION :In monocot SEEDS, the embryo is small and consist of single shield - shaped COTYLEDON known as scutellum present TOWARDS lateralside of EMBRYONAL axis.

Discussion

11616.	Question : Name the types of ELISA test.
Answer» Solution :There are FOUR kinds of ELISA NAMELY, DIRECT ELISA, INDIRECT ELISA, sandwich ELISA andcompetitive ELISA.

Discussion

11617.	Question : Name the various extraembryonic membranes.
Answer» SOLUTION :Chorion, AMNION, YOLK sac, ALLANTOIS

Discussion

11618.	Question : Name the varieties which wereintroduced all over the wheat growing belt of India in 1963.
Answer» SOLUTION :SONALIKA and KALYAN SONA.

Discussion

11619.	Question : Name the valve between left atrium and left ventricle and give its significance.
Answer» Solution :The VALVE between left ATRIUM and left ventricle is mitral valve or BICUSPID valve. It PREVENTS the back flow of blood from pulmonary ARTERY and also maintains the unidirectional flow of blood.

Discussion

11620.	Question : Name the varaieties of cauliflowers which is resistant to black rot and curl blight black rot
Answer» ANSWER :PUSA SHUBHRA and PUSSA SNOWBALL

Discussion

11621.	Question : Name the unlabeled areas 'a' and 'b' of the pie chart (given above) representingthe global biodiversityof invertebrates showingtheir proportionate numberof species of major taxa.
Answer» SOLUTION :(a) INSECTS . (B) MOLLUSCS

Discussion

11622.	Question : Name the valve between left atrium and left ventricle and give its significance .
Answer» SOLUTION :Bicuspid valve or Mitral valve. It prevents BACK flow or MAINTAINS unidirectional flow of BLOOD.

Discussion

11623.	Question : Where is ozone layer present? Name the unit used to measure ozone layer thickness.
Answer» SOLUTION :DOBSON UNITS (DU).

Discussion

11624.	Question : Name the units of vegetative propagation in water hyacinth. Explain the reasons why it has become the most invasive aquatic weed.
Answer» SOLUTION :Offset. The PLANT PROPAGATES vegetatively, it is very dificult to get rid of it. It DRAINS oxygen from the water and causes mortality of aquatic organisms.

Discussion

11625.	Question : Name the types of vegetative propagules in following plants : a) Potato b) Ginger c) Bryophyllum d) Agave e) Banana f) Eichhornia
Answer» Solution :a) POTATO - eyes (tuber) b) GINGER - RHIZOME c) Bryophyllum - leaf BUD

Discussion

11626.	Question : Name the types of extinctions.
Answer» Solution :(a) Natural EXTINCTION (b) MASS Extinction () ANTHROPOGENIC Extinction.

Discussion

11627.	Question : Name the types of gametes mentioned in the given figure (a) & (b) and explain them.
Answer» Solution :(a) Isogametes (Homogametes) - Gametes are SIMILAR in appearance, not possible to categorise them into male and female gametes. HETEROGAMETES - Gametes produced are of TWO MORPHOLOGICALLY distinct types - male gametes are CALLED sperms, female gametes are the egg/ovum.

Discussion

11628.	Question : Name the types of animals based on embryonic development with an example for each.
Answer» Solution :(a) OVIPAROUS animals e.g., Birds (b) VIVIPAROUS animals e.g., Human beings (C ) Ovoviviparous animals e.g., SHARK

Discussion

11629.	Question : Answer the following questions only in 'one sentence each : Name the type of T-lymphocyte which secretes perforins ?
Answer» SOLUTION :Killer-T CELLS or CYTOTOXIC T-cells are the lymphocytes which secrete PERFORINS.

Discussion

11630.	Question : Name the type of sex-determination mechanism of the following organisms. (a) Gypsy moth (b) Human beings (c) Butterflies
Answer» Solution :(a) Gypsy moth - ZW -ZZ type (ZW-females, XY - MALES) (b) Human BEINGS - XX - XY type (XX-females, XY - males) Butterflies - ZO - ZZ type (ZO-females, ZZ - males)

Discussion

11631.	Question : Name the type of pollination in self-incompatiable plants
Answer» Solution :In plants inhibiting self pollinations (when self POLLINATION is OBSTRUCTED) cross pollination TAKES place Note: Self pollination is a genetic mechanisms that PREVENTS fertilisation of pollen and ovules, prevents growth of pollen grain GERMINATION and growth pollen tube in pistil.

Discussion

11632.	Question : Name the type of pollination that brings genetically different types of pollen to the stigma.
Answer» SOLUTION :XENOGAMY

Discussion

11633.	Question : Name the type of interactions seen in each of the following examples: (e) Five closely related species of warlbers living on the same tree.
Answer» SOLUTION :RESOURCE PARTITIONING.

Discussion

11634.	Question : Name the type of interactions seen in each of the following examples: (d) Disappearance of smaller barnacles when Balanus dominated the coast of Scotland.
Answer» SOLUTION :COMPETITIVE RELEASE

Discussion

11635.	Question : Name the type of interaction seen in each of the following examples (i) Ascaris worms living in the intestine of human (ii) Wasp pollinating fig inflorescence. (iii) Clown fish living among the tentacles of sea-anemone (iv) Mycorrhizae living on the roots of higher plants (v) OPCh-id growing on a branch of a mango tree (vi) Disappearance of smaller barnacles when Balanus dominated in the Coast of Scotland.
Answer» SOLUTION :(i) PARASITISM (ii) Mlltualism (iii) CommensalismltbRrgt (iv). MUTUALISM - (v) Commensalism (VI) Competition

Discussion

11636.	Question : Name the type of interactions seen in each of the following examples: a) Ascaris worms living in the intestine of humans.
Answer» SOLUTION :PARASITISM

Discussion

11637.	Question : Name the type of interactions seen in each of the following examples: (a) Ascaris worms living in the intestine of Human. (b) Wasp pollinating fig inflorescence. (c) Clown fish living among the tentacles of Sea anemone. (d) Mycorrhizae living on the roots of higher plants. (e) Orchid growing on the branch of a Mango tree. (f) Disappearance of smaller barnacles when Balanus dominated in the coast of Scotland.
Answer» Solution :(a) Parasitism. (b) Mutualism. (C) Commensalism. (d) Mutualism. (e) Commensalism. (F) COMPETITIVE RELEASE.

Discussion

11638.	Question : Name the type of interaction between each of the following: (a) Brids and cattle (b) Algae and fungus (c) Plasmodium and humans (d) Termites and flagellates
Answer» SOLUTION :(a) Proto-cooperation (B) MUTUALISM (C) PARASITISM (d) Mutualism

Discussion

11639.	Question :Name the type of inheritance in which genotypic ratio is the same as the phenotypic ratio. Also give the ratio.
Answer» SOLUTION :INCOMPLETE DOMINANCE, 1: 2: 1.

Discussion

11640.	Question : Name the type of interaction between algae and fungi in lichens.
Answer» SOLUTION :MUTUALISM.

Discussion

11641.	Question : Define ecosystem. Name the type of food chain i.e the major conduit for energy flow in an aquatic ecosystem.
Answer» SOLUTION :GFC (GRAZING FOOD CHAIN)

Discussion

11642.	Question : Name the type of food chain that is the major conduit for energy flow in an aquatic ecosystem.
Answer» SOLUTION :GFC or GRAZING FOOD CHAIN

Discussion

11643.	Question : Name the type of ecosystem that exhibits the following types of pyramid. (a) Inverted pyramid of biomass (b) Spindle shaped pyramid of number
Answer» SOLUTION :(a) POND ECOSYSTEM (B) FOREST ecosystem.

Discussion

11644.	Question : Name the type of epithelium found in nasal cavity.?
Answer» ANSWER :SENSORY

Discussion

11645.	Question : Name the type of cells that produce antibodies.
Answer» SOLUTION :B-lymphocytes, PLASMA CELLS

Discussion

11646.	Question : Namethe type of cell division that takes place in the zygote on an organism exhibiting haplontic life cycle
Answer» Solution :MITOSIS takes place in the ZYGOTE of an organism exhibiting HAPLONTIC LIFE cycle

Discussion

11647.	Question : Name the type of bioreactor shown. Writethe purpose for which it used.
Answer» Solution :Simplestirred tank bioreactor. It is usedfor culturingto producea large BIOMASS to get produce of DESIRED producet. It PROVIDES CONDITIONS forachieving the optimalgrwoth or product.

Discussion

11648.	Question : Name the type of animal breeding carried out to produce a mule.
Answer» SOLUTION :The mule is produced by INTERSPECIFIC hybridization between a mare and a MALE DONKEY.

Discussion

11649.	Question : Name the type of Antibodies produced during Allergy?
Answer» SOLUTION :`I_(G)` E TYPE.

Discussion

11650.	Question : Name the two types of tapetum. Mention any one function of tapetum.
Answer» Solution :Tapetum are of two TYPES . Secretory tapetum and Invasive tapetum . Tapetum nourishes the pollen GRAINS.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Name the zoo famous for white tiger.

Question : Name the wheat varieties which were introduced all over the wheat growing belt of India and wore high yielding and disease resistant

Question :Name the water fern that is an excellent biofertiliser for rice cultivation. What helps the fern to do so?

Question :Name the water fern that is an excellent biofertiliser for rice cultivation.

Question : Namethe walllayersof a pollein grain .

Question : Name the vitamins produced in our colon with help of bacteria.

Question : Name the virus that causes genital warts.

Question : Name the viral diseases in poultry animals.

Question : Name the vegetative propagules of the following plants . (a) Allium cepa (b) Zingiber officinalis (c) Agave (d) Colocasia

Question : Name the vegetative propagules of the following plants. (a) Agave.(b) Ginger. (c) Bryophyllum.

Question : Name the vestigial organ in the alimentary canal of man.

Question : Name the vector used for transferring ADA-cDNA into the recipient cells in humans: Name the recipient cells.

Question : Name the vector of Wuchereria bancrofti.

Question : Name the various types of prokaryotic DNA polymerase. State their role in replication process.

Question : Name the types of endosperm based on development.

Question : Name the types of ELISA test.

Question : Name the various extraembryonic membranes.

Question : Name the varieties which wereintroduced all over the wheat growing belt of India in 1963.

Question : Name the valve between left atrium and left ventricle and give its significance.

Question : Name the varaieties of cauliflowers which is resistant to black rot and curl blight black rot

Question : Name the unlabeled areas 'a' and 'b' of the pie chart (given above) representingthe global biodiversityof invertebrates showingtheir proportionate numberof species of major taxa.

Question : Name the valve between left atrium and left ventricle and give its significance .

Question : Where is ozone layer present? Name the unit used to measure ozone layer thickness.

Question : Name the units of vegetative propagation in water hyacinth. Explain the reasons why it has become the most invasive aquatic weed.

Question : Name the types of vegetative propagules in following plants : a) Potato b) Ginger c) Bryophyllum d) Agave e) Banana f) Eichhornia

Question : Name the types of extinctions.

Question : Name the types of gametes mentioned in the given figure (a) & (b) and explain them.

Question : Name the types of animals based on embryonic development with an example for each.

Question : Answer the following questions only in 'one sentence each : Name the type of T-lymphocyte which secretes perforins ?

Question : Name the type of sex-determination mechanism of the following organisms. (a) Gypsy moth (b) Human beings (c) Butterflies

Question : Name the type of pollination in self-incompatiable plants

Question : Name the type of pollination that brings genetically different types of pollen to the stigma.

Question : Name the type of interactions seen in each of the following examples: (e) Five closely related species of warlbers living on the same tree.

Question : Name the type of interactions seen in each of the following examples: (d) Disappearance of smaller barnacles when Balanus dominated the coast of Scotland.

Question : Name the type of interactions seen in each of the following examples: a) Ascaris worms living in the intestine of humans.

Question : Name the type of interaction between each of the following: (a) Brids and cattle (b) Algae and fungus (c) Plasmodium and humans (d) Termites and flagellates

Question :Name the type of inheritance in which genotypic ratio is the same as the phenotypic ratio. Also give the ratio.

Question : Name the type of interaction between algae and fungi in lichens.

Question : Define ecosystem. Name the type of food chain i.e the major conduit for energy flow in an aquatic ecosystem.

Question : Name the type of food chain that is the major conduit for energy flow in an aquatic ecosystem.

Question : Name the type of ecosystem that exhibits the following types of pyramid. (a) Inverted pyramid of biomass (b) Spindle shaped pyramid of number

Question : Name the type of epithelium found in nasal cavity.?

Question : Name the type of cells that produce antibodies.

Question : Namethe type of cell division that takes place in the zygote on an organism exhibiting haplontic life cycle

Question : Name the type of bioreactor shown. Writethe purpose for which it used.

Question : Name the type of animal breeding carried out to produce a mule.

Question : Name the type of Antibodies produced during Allergy?

Question : Name the two types of tapetum. Mention any one function of tapetum.