Nios Biology (314) Tutor Marked Handwritten Solved Assignment for 2020 October Exam

Nios Biology (314) Tutor Marked Handwritten Solved Assignment for 2020 October Exam also available soft copy in pdf format call us 9643289714

(i) All questions are compulsary. The marks allotted for each question are given at same

place.

(ii) Write your name enrollment numbers, AI name and subject on the top of the first page of the

answer sheet.

(1) Answer any one out of the following questions in about 40-60 words:-

(a) Given above is the figure of four different animals.
(i) Name the class to which all four belong.
(ii) State three features which have placed them in the same class.

(b) Draw an outline of an animal cell and a plant cell showing only the location of organelles unique to them.

(2) Answer any one out of the following questions in about 40 - 60 words.

(a) (a) (i) C6H2O6  2C2H5OH + 2CO2 + 2ATP
Which kind of respiration has been explained in the above equation?

(b) Name two types of adventitious roots modification with respect to storage of food. Give one
charater and one example of each.

(3) Answer any one out of the following questions in about 40 - 60 words.

(a) Draw a neat diagram of digestive system of cockroach. Write the name of various parts of digestive system

(b) By which process does gaseous exhange takes place during external respiration in plants and
which part of the leaves carry it out and how?

(4) Answer any one out of the following questions in about 100 to 150 words.

(a)Name the various natural and anthropogenic sources of air pollution. Describe harmful effects of
Hydrocarbons on human health.

(b) Why homeostasis is required by the body? Name two situations which require homeostatic
mechanism. How does our body maintain its tempreature at 37oC during winters?

(5)Answer any one out of the following questions in about 100 - 150 words.

(a) (i) Two men were claiming the Paternity of the same child. Which technique would help to
find the real father?

(ii) In the techinque, the following steps are followed. Place them in the correct sequence.
Increasing quantity of DNA.
Identifying the unique sequence.
Separating DNA fragments using Electrophoresis.
Isolating DNA from blood sample.

(iii) For which of the above steps is PCR or Polymerase Chain Reaction used?

(iv) To whose DNA sequences are one's DNA sequences similar.

(6) Out of the two follwing projects, choose one. Collect as much material as possible and write a report in your own way.

(a) Inside your house or nearby or after a visit to the 300, identify living beings and gather knowledge
of their common & scientific name, observe their structure & behaviour, take photographs
with the help of your mobile, collect pictures from old magazines & use in your report and
prepare your own handmade booklet. Use your text book to get as much knowledge and include
in your booklet.

(b) Find out from among your relatives, friends or from a dispensary, clinic or hospital nearby, patients who have suffered from Chikanguniya, Dengue, Malaria or Filaria and Prepare your own
illustrated magazine on 'some mosquito transonitted diseases' by placing pictures or photographs
or models and writing about life history of mosquito, different species of mosquitoes that harbour
viruses causing different diseases, donation of symptoms, control and precautions.

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