24277 + Interview Questions in Biology in Class 12

1.	Question : The first undoubted evidence about DNA being the genetic material came from
Answer» transformation of rough - costed strain of Diplococcus peneumoniae into smooth coated strain the establishment of DNA as the CHIEF CHEMICAL constituent of chromosomes the establishment of DNA as a self-replicating substance transduction of BACTERIA by ACTION of bacteriophage Answer :A

Discussion

2.	Question : The first translated codon in any mRNA binds to an anticodon is
Answer» 3. UAC 5. 5. UAC 3. 3. UAU 5. 5. CAU 3. ANSWER :A

Discussion

3.	Question : The first transgenic clone of sheep was called as..... ……….
Answer» ROSIE DOLLY SAMEERA JOEL SOLUTION :Dolly

Discussion

4.	Question : The first test tube baby Louise joy brown was brone in oldham, england in
Answer» 27761 28212 28696 31630 Answer :C

Discussion

5.	Question : The first step of CO_2 fixation in Hatch and Slack's pathway in plants is
Answer» Formation of O.A.A by CARBOXYLATION of PEP in BUNDLE SHEATH CELLS Formation of O.A.A by the carboxylation of RUBP in MESOPHYLL cells Formation of PGA in mesophyll cells Formation of O.A.A by carboxylation of PEP in mesophyll cells. Answer :D

Discussion

6.	Question : the first state which achieve the goal green revolution in India was
Answer» U.P. W. BENGAL KERALA PUNJAB ANSWER :D

Discussion

7.	Question : The first stable product of HSK pathway is:
Answer» PEP PGA Malate `CO_2` ANSWER :C

Discussion

8.	Question : The first stable product of fixation of atmospheric nitrogen in leguminous plants is
Answer» `NO_(3)^(-)` Glutamate `NO_(2)^(-)` Ammonia ANSWER :4

Discussion

9.	Question : The first species that invade a bare area are calleda) Moss speciesb)Climax stagec)Forest staged)Pioneer species
Answer» MOSS species Climax STAGE FOREST stage Pioneer species Answer :D

Discussion

10.	Question : The first somatic cell gene therapy was targeted against the disease :
Answer» SCID CYSTIC fibrosis Cancer PHENYLKETONURIA ANSWER :A

Discussion

11.	Question : The first sign of growing foetus may be noticed by :–
Answer» LISTENING to the HEART SOUND CAREFULLY through the stethoscope Appearance of hair Appearance of head Appearance of eyelids Answer :A

Discussion

12.	Question : The first restriction endonuclease enzyme is
Answer» Hind-II Hind-III ECORI BAM`H_(1)` ANSWER :A

Discussion

13.	Question : The first recombinant DNA was created by
Answer» SOLUTION :STANLEY COHEN and HERBERT BOYER.

Discussion

14.	Question : The first process by which water enters into the seed coat when a seed is placed in suitable environment for germination is:
Answer» osmosis active transport absorption imbibition Answer :D

Discussion

15.	Question : The first phase of embryonic development is:
Answer» CLEAVAGE Blastulation Gastrulation Placentation Answer :A

Discussion

16.	Question : The first organisms were:
Answer» Chemoautotroph Chemoheterotoph Autotrophs Eukaryotes Answer :A

Discussion

17.	Question : The first organisms to appear on earth were more like plants because
Answer» PLANTS are SIMPLER Plants are more Plants do photosynthesis None of the above ANSWER :C

Discussion

18.	Question : The first organic compounds in primordial earth was
Answer» CARBONDIOXIDE Methane CARBON MONOXIDE Ethylene Answer :A and B

Discussion

19.	Question : The first noncellular forms of life on carth have originated about
Answer» TWO million YEARS AGO Three BILLION years ago Two billion years ago Three million years ago Answer :B

Discussion

20.	Question : The first non-cellular forms of life could have oriniginated
Answer» 3000 mya 2000 mya 20 bya 4 bya Answer :A

Discussion

21.	Question : The first nif genes were isolated from
Answer» KLEBSIELLA aerogenes Klebsiella oxytoa Klebsiella pneumonia Klebsiella granulonatis Answer :C

Discussion

22.	Question :The first National Park of India is :
Answer» JIM CORBETT NATIONAL Park Bandipur National Park Hazaribagh National Park Jaldapara National Park Answer :A

Discussion

23.	Question : The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy ?
Answer» THIRD month Fourth month Fifth month Sixth month Answer :C

Discussion

24.	Question : The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
Answer» FOURTH month Fifth month Sixth month Third month Answer :B

Discussion

25.	Question : The first movement of the foetus and appearance of hair on its head are usually observed during which month of pregnancy ?
Answer» FIFTH MONTH SIXTH month Third month Fourth month Answer :A

Discussion

26.	Question : The first menstruation begins at puberty and is called _____.
Answer» ANSWER :MENARCHE

Discussion

27.	Question : The first meiotic division in the oogonium is completed when the egg is within the
Answer» UTERUS FOLLICLE fallopian TUBE ovary before it is SURROUNDED by FOLLICLES Answer :B

Discussion

28.	Question : The first mammals that evolved were
Answer» Large SIZED and aquatic Large sized and terrestrial Small sized and FAST RUNNING terrestrial forms Vestigial organs Answer :D

Discussion

29.	Question : The first living organism had following mode of nutrition
Answer» Photoautotrophic Chemoautotrophic Chemoheterotrophic AEROBIC photoautotophic Answer :C

Discussion

30.	Question : The first life on earth was originated by:
Answer» CHEMICAL synthesis Spontaneous generation Pre EXISTED life Panspermia Answer :A

Discussion

31.	Question : The first known allotetraploid reported by Russian geneticist Karpechenko (1928) was
Answer» Secale cereale Cynodon dactylon Raphanobrassica Brassica oleracea Answer :C

Discussion

32.	Question : The first human like being was
Answer» Australopithecus Homo habilis Homo ERECTUS Drypethecus ANSWER :B

Discussion

33.	Question : The first human hormone produced by recombinant DNA technology is:
Answer» Insulin Estrogen Thyroxin Progesterone Answer :A

Discussion

34.	Question : The first human hormone produced by recombinant DNA technology is
Answer» INSULIN estrogen thyroxin PROGESTERONE SOLUTION :insulin

Discussion

35.	Question : The first genetically engineered insulin was formed by the efforts of which biotechnology company?
Answer» Eli - Lilly, U.S.A Celera Genomics, U.S.A. Nexia Technology, Canada BIOCON India Answer :B

Discussion

36.	Question : The first genetic material was most likely to be
Answer» DNA polymer Primitive OCEAN DNA OLIGONUCLEOTIDE RNA polymer Answer :D

Discussion

37.	Question :The first genetic material could be :
Answer» PROTEIN CARBOHYDRATES DNA RNA Answer :D

Discussion

38.	Question : The first genetic material could be
Answer» protein carbohydrates DNA RNA Answer :d

Discussion

39.	Question : The first form of life could have come from pre-existing non-living organic molicules like RNA, protein. this was prposed by
Answer» OPARIN and Haldane Charles Darwin Louis Pasteur Alfred Wallace Answer :A

Discussion

40.	Question : The first evidence regarding semiconservative replication of DNA was provided by Watson and crick.
Answer» True False Answer :MESELSON and STAHL

Discussion

41.	Question : The first form of life possibly originated on earth about
Answer» 3 BILLION YEARS ago 4 billion years ago 2000 MILLION years ago 4.5 billion years ago Answer :B

Discussion

42.	Question : The first event in photosynthesis is
Answer» SYNTHESIS of ATP PHOTOEXCITATION of CHLOROPHYLL Photolysis of WATER Release of oxygen Answer :B

Discussion

43.	Question : The first established Atomic Garden in India was ………….. .
Answer» (a) BHABHA ATOMIC RESEARCH Institute (B) Indira Gandhi centre for Atomic Research (c) Indian Agricultural Research Institute (d) BOSE Reasearch Institute Answer :D

Discussion

44.	Question : The first event in blood clotting is
Answer» RELEASE of COAGULATION promoting substances from platelets conversion of prothombin to thrombin Conversion of fibrogen to flavin Formation of ENZYMES complex thombokinase Answer :C

Discussion

45.	Question : The first ejaculation of the semen in male is called as..........
Answer» SOLUTION :Spermarche

Discussion

46.	Question : The first codon to be deciphered was "_________________" which codes for "________________".
Answer» AAA, proline GGG, alanine UUU, PHENYLALANINE TTT, arginine Solution :UUU, Phenylalanine

Discussion

47.	Question : The first completely sequenced genome was
Answer» DNA with HISTONE proteins of human mitochondrion Circular GENOME of human mitochondrion PROTEIN coding genes of human genome Double helical genome of human GOLGI complex Answer :B

Discussion

48.	Question : The first clone animal of the world is :
Answer» MOLLY sheep Polly sheep Dolly sheep Molly goat Answer :A

Discussion

49.	Question : Which of the following is the fist cloned organism?
Answer» GOAT COW SHEEP PIG SOLUTION :sheep

Discussion

50.	Question : The first clinical gene therapy was given in_________.
Answer» ANSWER :1990

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : The first undoubted evidence about DNA being the genetic material came from

Question : The first translated codon in any mRNA binds to an anticodon is

Question : The first transgenic clone of sheep was called as..... ……….

Question : The first test tube baby Louise joy brown was brone in oldham, england in

Question : The first step of CO_2 fixation in Hatch and Slack's pathway in plants is

Question : the first state which achieve the goal green revolution in India was

Question : The first stable product of HSK pathway is:

Question : The first stable product of fixation of atmospheric nitrogen in leguminous plants is

Question : The first species that invade a bare area are calleda) Moss speciesb)Climax stagec)Forest staged)Pioneer species

Question : The first somatic cell gene therapy was targeted against the disease :

Question : The first sign of growing foetus may be noticed by :–

Question : The first restriction endonuclease enzyme is

Question : The first recombinant DNA was created by

Question : The first process by which water enters into the seed coat when a seed is placed in suitable environment for germination is:

Question : The first phase of embryonic development is:

Question : The first organisms were:

Question : The first organisms to appear on earth were more like plants because

Question : The first organic compounds in primordial earth was

Question : The first noncellular forms of life on carth have originated about

Question : The first non-cellular forms of life could have oriniginated

Question : The first nif genes were isolated from

Question :The first National Park of India is :

Question : The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy ?

Question : The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?

Question : The first movement of the foetus and appearance of hair on its head are usually observed during which month of pregnancy ?

Question : The first menstruation begins at puberty and is called _____.

Question : The first meiotic division in the oogonium is completed when the egg is within the

Question : The first mammals that evolved were

Question : The first living organism had following mode of nutrition

Question : The first life on earth was originated by:

Question : The first known allotetraploid reported by Russian geneticist Karpechenko (1928) was

Question : The first human like being was

Question : The first human hormone produced by recombinant DNA technology is:

Question : The first human hormone produced by recombinant DNA technology is

Question : The first genetically engineered insulin was formed by the efforts of which biotechnology company?

Question : The first genetic material was most likely to be

Question :The first genetic material could be :

Question : The first genetic material could be

Question : The first form of life could have come from pre-existing non-living organic molicules like RNA, protein. this was prposed by

Question : The first evidence regarding semiconservative replication of DNA was provided by Watson and crick.

Question : The first form of life possibly originated on earth about

Question : The first event in photosynthesis is

Question : The first established Atomic Garden in India was ………….. .

Question : The first event in blood clotting is

Question : The first ejaculation of the semen in male is called as..........

Question : The first codon to be deciphered was "_________________" which codes for "________________".

Question : The first completely sequenced genome was

Question : The first clone animal of the world is :

Question : Which of the following is the fist cloned organism?

Question : The first clinical gene therapy was given in_________.

Question : The first codon to be deciphered was "_" which codes for "".