24277 + Interview Questions in Biology in Class 12

1.	Question : In which state chipko movement is legaly baned ?
Answer» Bihar Uttar PRADESH Maharashtra Madhya Pradesh ANSWER :B

Discussion

2.	Question : In whichstages of development three germ layers are formed ?
Answer» Gasturla Blastula Morula None of these Answer :A

Discussion

3.	Question : In which stage of meiosis, homologous chromosomes separate while sister chromatids remains assocaited at their centromeres-
Answer» ANSWER :ANAPHASE I

Discussion

4.	Question : In which stage of cell cycle, DNA replication occurs:
Answer» `G_(1)` - phase S-phase `G_(2)` - phase M-phase Answer :B

Discussion

5.	Question : In which situation the coat colour of mice will be black?
Answer» ccaa CcAa Ccaa CcAA Answer :C

Discussion

6.	Question : In which site of fallopian tube does fertilisation take place?
Answer» SOLUTION :Ampullary-Isthmic JUNCTION

Discussion

7.	Question : In which sex of human , colour blindness appears in more numbers.
Answer» ANSWER :MALE

Discussion

8.	Question : In which process variations and up gradation taken place from time to time?
Answer» Hunting ANIMAL HUSBANDRY AGRICULTURE & animal husbandry Agriculture SOLUTION :Agriculture & animal husbandry

Discussion

9.	Question : In which process protein elongation factor and GTP serves as a energy source ?
Answer» In reverse transcription Regulation process of GENE expression Arrangement of GENETIC code which present on m-RNA Differenciation process of genetic INFORMATION Solution :Arrangement of genetic code which present on m-RNA

Discussion

10.	Question :In which process Baker's yeast is used ?(A) To prepare bread(B) Nitrogen fixation(C) Production of biogas(D) Sewage treatment
Answer» To prepare BREAD Nitrogen fixation PRODUCTION of biogas Sewage treatment SOLUTION : To prepare bread

Discussion

11.	Question : In which primitive cell type nucleus was formed?
Answer» ANSWER :PROTISTANS

Discussion

12.	Question : In which population the rate of evolution is I 58) zero ?
Answer» LARGE POPULATION SMALL population Equilibrium population None of above Solution :Equilibrium population

Discussion

13.	Question : In which plants, the cut pieces of root are planted in moist soil and development of roots is artificially induced ?
Answer» Lemon and Tamarid Rose, Hibiscus, CHRYSANTHEMUM and sugarcance PISTIA MINT Answer :A

Discussion

14.	Question : In which plants motile ciliated spores are produced during spore formation ? (A) Chlamydomonas (B) Spirogyra (C) Dictyota (D) Fucus
Answer» CHLAMYDOMONAS SPIROGYRA DICTYOTA FUCUS ANSWER :A

Discussion

15.	Question : In which plants leaves are small, compound, short lived & petioles expand and become green to synthesise food.
Answer» PITCHER plants Bladder worts Australian Acacia Venus FLY trap Answer :C

Discussion

16.	Question : Which of the following statement is not true?(A) Insects which consume pollen or nectar without bringing out pollination. They are called pollen-nectar robbers(B) The chemical component of pollen grain which controls pollen grain germination and growth of pollen tube that interacts with pistil(C) In some species of plants some reptile also do pollination, that has been recorded(D) In many species pollen grain can germinate on stigma of pistil of the flower but only pollen grain of some species grow in style
Answer» WIND pollinated Bird pollinated Water pollinated Insect pollination Answer :D

Discussion

17.	Question : In which plant true nuclear endoderm is found?
Answer» Coconut Apple cotton Cashew nut Answer :A

Discussion

18.	Question : In which plant the lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil & then come out obliquely upward giving rise to leafy shoots ?
Answer» Pineapple Eichhornia Jasmine Pistia Answer :A

Discussion

19.	Question : In which plant steward proved cellular totipotency?
Answer» ANSWER :CARROT

Discussion

20.	Question : In which plant has the entire genome ______been sequenced.
Answer» SOLUTION :ARABIDOPSIS thaliana

Discussion

21.	Question : In which plant does the incomplete dominance was studied by Carl Correns? Write the ratio of the cross.
Answer» Solution :MIRABILIS Jalapa (4 o.clock PLANT). Incomplete ratio is 1 : 2 : 1

Discussion

22.	Question : In which plant did Bateson and Punnett demonstrate linkage ______
Answer» SOLUTION :LATHYRUS Odoratus

Discussion

23.	Question :In which plant Calvin experimenteo -by- radioactive isotopy to discover the~stable product of C_3cycle ?
Answer» Spirogyra Spinach Chlorella Radish Answer :C

Discussion

24.	Question : In which plant, and by whom the first natural hybridization was performed?
Answer» SOLUTION :The first natural hybridization was DONE by COTTON Mather in maize

Discussion

25.	Question : In which phylum polymorphism is seen ?
Answer» ANSWER :CNIDARIA,

Discussion

26.	Question : In which phylum metameric segmentation is seen?
Answer» ANSWER :ANNELIDA,

Discussion

27.	Question : In which phase of meiosis homologous chromosomes seperates?
Answer» Metaphase-i Metaphase-ii Anaphase-i Anaphase-ii Answer :C

Discussion

28.	Question :In which period, life started shifting from water to land ?
Answer» Ordovician Silurian DEVONIAN Permian Answer :B

Discussion

29.	Question : In which phase of cell division are oogonia arrested
Answer» ANAPHASE II Anaphase I Interphase Both A and B ANSWER :B

Discussion

30.	Question : In which part of the world, Neanderthal man lived ?
Answer» SOLUTION :NEAR EASTERN and CENTRAL ASIA

Discussion

31.	Question : In which parts of the body of the hosts do the following events in the life cycle of Plasmodium take place? Name both the body parts and the host. (a) Fertilisation, (b) Development of gametocytes, (c) Release of sporozoites, (d) Asexual reproduction.
Answer» Solution :(a) Fertilisation: Inside stomach/intestine of female ANOPHELES mosquito. (B) DEVELOPMENT of Gametocytes: In blood of MAN. (c) Release of Sporozoites: Into blood of man. (d) Asexual Reproduction: Inside LIVER cells and RBCs of man.

Discussion

32.	Question : In which part of the world did the early human ancestor Australopithecus appear about five million years ago.
Answer» SOLUTION :SOUTH AFRICA

Discussion

33.	Question : In which part of the human reproductive sytem do the following events occur? Implantation
Answer» SOLUTION :ENDOMETRIUM of UTERUS

Discussion

34.	Question : In which part of the human reproductive sytem do the following events occur? Fertilisation
Answer» SOLUTION :Ampullary- isthmic JUNCTION

Discussion

35.	Question : In which part of the human brain mamillary bodies are found ?
Answer» ANSWER :Diencaphalon

Discussion

36.	Question : In which part of small intestine folds of kerckring is present?
Answer» ANSWER :JEJUNUM

Discussion

37.	Question : In which part of nephron,excess waterreabsorption takes place?
Answer» ANSWER :PCT and LOOP of HENLE

Discussion

38.	Question : in which part of sperm, mitochondria are present?
Answer» HEAD tail NECK MIDDLE PIECE ANSWER :D

Discussion

39.	Question : In which part of India "Jhum cultivation" or "Slash and burn cultivation" is practiced ?(A) Northern India(B) North-West India(C) North-East India(D) South India
Answer» NORTHERN INDIA North-West India North-East India South India ANSWER :C

Discussion

40.	Question :In which part of India fermenting sap from palm tree is used in preparation of traditional drink?(A) East(B) West(C) North(D) South
Answer» EAST WEST NORTH SOUTH SOLUTION :South

Discussion

41.	Question : In which part of gut maximum water is absorbed?
Answer» ANSWER :LARGE INTESTINE

Discussion

42.	Question : Respiratory centre is present in:
Answer» ANSWER :MEDULLA

Discussion

43.	Question : In which part of alimentary canal,digestion of carbohydrates starts?
Answer» ORAL cavity Stomach Small intestine Large intestine Answer :A

Discussion

44.	Question : In which part of body DDT is stored ?
Answer» Skeleton Fat Liver Skin ANSWER :B

Discussion

45.	Question : In which part of alimentary canal oblique muscles are present?
Answer» ANSWER :STOMACH

Discussion

46.	Question : In which palnt was a lethal allele reported for the first time …………
Answer» SOLUTION :ANTIRRHINUM SPP

Discussion

47.	Question : In which pair both the plants can be vegetatively propagated by leaf pieces?
Answer» BRYOPHYLLUM and kalanchoe Chrysanthemum and Agave Agave and Kalanchoe Asparagus and Bryophyllum Answer :D

Discussion

48.	Question : In which pair both the plants can be vegetatively propagated by leaf pieces ? (A) Bryophyllum and Kalanchoe (B) Chrysanthemum and Agave (C) Agave and Kalanchoe (D) Aspargus and bryophyllum
Answer» BRYOPHYLLUM and Kalanchor CHRYSANTHEMUM and AGAVE Agave and Kalanchoe Aspargansd and bryophyllum ANSWER :A

Discussion

49.	Question : In which organisms external fertilization occurs:
Answer» Echinodermata/Moss Hemichordata / Fern Reptila/ Gymnosperm Amphibia / Algae Answer :D

Discussion

50.	Question : In which organism complete linkage is found ?
Answer» ANSWER :MALE DROSOPHILA

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : In which state chipko movement is legaly baned ?

Question : In whichstages of development three germ layers are formed ?

Question : In which stage of meiosis, homologous chromosomes separate while sister chromatids remains assocaited at their centromeres-

Question : In which stage of cell cycle, DNA replication occurs:

Question : In which situation the coat colour of mice will be black?

Question : In which site of fallopian tube does fertilisation take place?

Question : In which sex of human , colour blindness appears in more numbers.

Question : In which process variations and up gradation taken place from time to time?

Question : In which process protein elongation factor and GTP serves as a energy source ?

Question :In which process Baker's yeast is used ?(A) To prepare bread(B) Nitrogen fixation(C) Production of biogas(D) Sewage treatment

Question : In which primitive cell type nucleus was formed?

Question : In which population the rate of evolution is I 58) zero ?

Question : In which plants, the cut pieces of root are planted in moist soil and development of roots is artificially induced ?

Question : In which plants motile ciliated spores are produced during spore formation ? (A) Chlamydomonas (B) Spirogyra (C) Dictyota (D) Fucus

Question : In which plants leaves are small, compound, short lived & petioles expand and become green to synthesise food.

Question : In which plant true nuclear endoderm is found?

Question : In which plant the lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil & then come out obliquely upward giving rise to leafy shoots ?

Question : In which plant steward proved cellular totipotency?

Question : In which plant has the entire genome ______been sequenced.

Question : In which plant does the incomplete dominance was studied by Carl Correns? Write the ratio of the cross.

Question : In which plant did Bateson and Punnett demonstrate linkage ______

Question :In which plant Calvin experimenteo -by- radioactive isotopy to discover the~stable product of C_3cycle ?

Question : In which plant, and by whom the first natural hybridization was performed?

Question : In which phylum polymorphism is seen ?

Question : In which phylum metameric segmentation is seen?

Question : In which phase of meiosis homologous chromosomes seperates?

Question :In which period, life started shifting from water to land ?

Question : In which phase of cell division are oogonia arrested

Question : In which part of the world, Neanderthal man lived ?

Question : In which parts of the body of the hosts do the following events in the life cycle of Plasmodium take place? Name both the body parts and the host. (a) Fertilisation, (b) Development of gametocytes, (c) Release of sporozoites, (d) Asexual reproduction.

Question : In which part of the world did the early human ancestor Australopithecus appear about five million years ago.

Question : In which part of the human reproductive sytem do the following events occur? Implantation

Question : In which part of the human reproductive sytem do the following events occur? Fertilisation

Question : In which part of the human brain mamillary bodies are found ?

Question : In which part of small intestine folds of kerckring is present?

Question : In which part of nephron,excess waterreabsorption takes place?

Question : in which part of sperm, mitochondria are present?

Question : In which part of India "Jhum cultivation" or "Slash and burn cultivation" is practiced ?(A) Northern India(B) North-West India(C) North-East India(D) South India

Question :In which part of India fermenting sap from palm tree is used in preparation of traditional drink?(A) East(B) West(C) North(D) South

Question : In which part of gut maximum water is absorbed?

Question : Respiratory centre is present in:

Question : In which part of alimentary canal,digestion of carbohydrates starts?

Question : In which part of body DDT is stored ?

Question : In which part of alimentary canal oblique muscles are present?

Question : In which palnt was a lethal allele reported for the first time …………

Question : In which pair both the plants can be vegetatively propagated by leaf pieces?

Question : In which pair both the plants can be vegetatively propagated by leaf pieces ? (A) Bryophyllum and Kalanchoe (B) Chrysanthemum and Agave (C) Agave and Kalanchoe (D) Aspargus and bryophyllum

Question : In which organisms external fertilization occurs:

Question : In which organism complete linkage is found ?