10th Science One Mark

10th Science (samacheer kalvi ) One Mark

10th Science (samacheer kalvi ) One Mark

1. HEREDITY AND EVOLUTION

Fill  the Correct Answer

1.            The paternal and maternal genetic material which influence the traist is……………..

2.            The first ever scientific experimental study on heredity was worked out between the years…

3.            The first experiment of Mendel considering the inheritance of a single trait is called……

4.            The men like Hominids  who walked into Eastern Africa were measured to be……………………

5.            The meat eaters who existed 1.5 million years ago were callled………………..

6.            The term vaccine was coined by…………………

7.            Dolly was developed in the year…………………..

8.            The nucleus of udder cell which was used to develop Dolly was taken from…………………

9.            Vaccines are substance that confer immunity against………………

10.          Steroid drugs like prednisolone is produced from

11.          Antibiotics are chemical substances derived from microbes like…………………

12.          Bio-technologically synthesized vitamin  is usesd to cure ………..

13.          Biological computers will be developed using

14.          Gene therapy is the means to treat or even cure genetic and acquired disease like

15.          In Germ line gene therapy, ……………………..

16.          Bio-Chips will be useful in …………………….

17.          …………………….are developed by employing techniques of bio-technology

18.          Insulin dependent diabetes  is caused by the degeneration of beta cells due to a ……………….

19.          Gene therapy is used to treat defects in…………………..

20.          The ………………..converts biological signal into electrial signal

21.          Bio-sensor is used in…………………….and ……………

22.          Bio sensor is a device consisting of immobilizes layer of biological material such as ………………

23.          Bio Chemically significant enzymes are derived from………………….

24.          Amylase is derived from………………of bacteria.

25.          The theory of Use and Disuse was proposed by…………………….

26.          Odour, freshness and taste of food can be measured by using………………

27.          Production of any toxin in the body due to infection  can be detected by……….

28.          ...…………..is so vast and has great scope for different fields like agriculture, medicine, food  industry .etc

29.          ...............are suspensions of killed or live germs which is employed to induce the production of antibodies and bring forth immunity.

30.          ..............are employed to kill the infectious germs and cure a disease.

31.          The somatic stem cells are derived from sources such as .....................

32.          ................vitamin is synthesized bio-technologically.

33.          ................cell culture is similar to that of embryonic stem culture     

34.          Fertilization made artificially in the laboratory is called...................

35.          The embryonic stem cells can be derived from.............which is developed by “in vitro fertilization”.

36.          .....................are the most unspecialized mass of cells.

37.          The .............clones are developed by nuclear transfer into the host cell.

38.          The induced clones are developed by .................into the host cell.

39.          ...................clones include identical twins.

40.          The word .................refers only to living species.

41.          Monoclonal anti-bodies are the anti-bodies produced by ..............cells.

42.          ...............anti-bodies are now used for treatment of cancer.

43.          ..................are a type of derived lips.

44.          The term vaccine was coined in the year…………

45.          The first vaccine produced by bio-technology was used against ……………………virus

46.          Genetic  engineering has developed after the discovery of two …………………..

47.          ……………are the past enzymes which helps to join the broken DNA fragments.

48.          ……………………are the molecular scissors which cut DNA at specific site.

49.          Nitrogen fixation (NF-genes)  will help the cultivator to

50.          Which gene is used in nitrogen fixation?

Remaining questions will update soon

Answers

1.            DNA

2.            1822-1884

3.            Monohybrid cross

4.            Not taller than four feet.

5.            Homo erectus

6.            Edwaed jenner

7.            July  1996

8.            Six Year old Finn Dorest white sheep.

9.            Specific  diseases

10.          Rhizopus

11.          fungi, Bacteria

12.          Pernicious anaemia

13.          Bio-Chips

14.          Cancer

15.          egg and sperm of the parents are changed

16.          Defence, Medicine

17.          Micro Chips.

18.          defective gene

19.          Somatic cell

20.          bio sensor

21.          medicines and industry.

22.          enzyme, antibody, hormone, nuclei acids.

23.          microbes

24.          amyloproteins.

25.          Lamarck

26.          Bio-sensor

27.          Bio-sensor

28.          Bio-Technology

29.          Vaccines

30.          Antibiotics

31.          bone marrow, embryos, amniotic fluid and umbilical cord

32.          B12

33.          Somatic stem

34.          invitro fertilization

35.          early embryo

36.          stem cells

37.          artificial

38.          nuclear transfer.

39.          Natural

40.          clone

41.          cloned

42.          Monoclonal.

43.          Steroid.

44.          1791

45.          Hepatitis B

46.          enzymes.

47.          lygase

48.          Endonuclease (OR) Restriction Endonuclease

49.          increase productivity

50.          NF  gene