FORM TWO BIOLOGY NECTA 2014

THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATION COUNCIL

BIOLOGY FTNA 2015

(i) Which of the following is the second step of scientific investigation?

  1. Identifying the problem
  2. Experimentation
  3. Formulating hypothesis
  4. Asking questions
Choose Answer :


(ii) The known common types of microscopes are:

  1. Light and technical microscope
  2. Light and electricity microscope
  3. Light and electron microscope
  4. Electrical and light microscope
Choose Answer :


(iii)  Which First Aid is provided to a victim of hiccup?

  1. Wash the victims mouth to remove food remains.
  2. Hold victims breathe to increase carbodioxide in the blood.
  3. Take a deep breath in victims mouth to increase oxygen.
  4. Ask a person to go to hospital immediately.
Choose Answer :


(iv)  Which of the following are communicable diseases?

  1. Gonorrhoea, sickle cell anemia, bilharzia.
  2. Typhoid, cholera, tuberculosis.
  3. AIDS, cholera, anemia.
  4. Influenza, pellagra, cholera.
Choose Answer :


(v)  The neuron found in human being is an example of:

  1.   a tissue 
  2. a cell
  3. an organ
  4. . a system
Choose Answer :


(vi)  Which method is advised for disposing hazardous materials?

  1. Use of landfill
  2.  Make pit latrine
  3.  Use an incinerator 
  4. Recycling
Choose Answer :


(vii)Organisms which move by means of flagella include:

A.Paramecium and euglena

B.Euglena and bacteria

C.Bacteria and amoeba

D.Amoeba and plasmodium

Choose Answer :


(viii)A causative agent of blood pressure in human beings is

A.over consumption of fatty food

B.drinking plenty of water

C.drinking juice

D.food poisoning

Choose Answer :


(ix)The structures on the wall of the ileum responsible for absorption of digested food are called:

A. alveoli         

 B. Villi

C. mesophyll 

D. epiglottis

Choose Answer :


(x)Aerobic respiration takes place in the presence of:

A.water   

B. carbonidoxide

C. oxygen   

D. hydrogen

Choose Answer :


2.Write TRUE if the statement is correct of FALSE if the statement is not correct.

(i)A microscope is not a very important equipment in the biology laboratory . 

(ii)Plant cell has irregular shape while animal cell has regular shape .........

(iii)It is safe to touch body fluid with bare hands when giving First Aid ... ... ... 

(iv) Zoology is the study of animals .. ......

(v)The conditions necessary for photosynthesis are presence of carbondioxide and oxygen... ... ...

(vi)Absorption of digested food takes place in the eosophagus .... 

(vii)Gaseous exchange in plants takes place through the gills .........

(viii)Recycling means turning waste material into useful products...........

(ix)A cell is a group of organisms performing the same function .........

(x)Biology is the study of living things ... ... ...

View Ans


2. Match each item in List A with a correct response in List B by writing its letter bellow the number of the corresponding item in the table provided.

LIST A

LIST B

(i)A vascular tissue used for transportation of water and mineral salts towards the leaf.

(ii)A small pore which allows gaseous exchange into and out of the leaf.

(iii)A water proof material which protects the leaf from injury and excessive water loss.

(iv)A bean shaped structure for effective control of water loss and gaseous exchange.

(v)A broad part of a leaf which increases large surface area for absorption of light and carbonidioxide.

(vi)A part of a leaf with cells loosely parked to allow maximum gaseous exchange.

(vii) A vascular tissue used for transportation of manufactured food away from the leaf.

(viii)A part of a leaf which has abundant chlorophyll to maximize light absorption and photosynthesis.

(ix)A leaf stock that attaches the leaf to a stem.

(x)The outermost layer found on lower and upper surface of a leaf.

 

 

A. Stomata Sponge mesophyll

B. Epidermis Cuticle

C. Lamina

D. Petiole

E. Vein

F. Midrib

G. Margin

H. Cross Mesophyll

I. Apex

J. Guard cell

K. Phloem

L. Xylem

M. Palisade 

N. Mesophyll

 

 

 

 

 

 

View Ans


4.Define the term "Biology" and "Biologist".

(b)Mention major branches of Biology.

(c Briefly explain how Biology is related to the following fields:

(i)Agriculture

(ii)Medicine

View Ans


5.(a) State two characteristics of the Kingdom Fungi

(b)Figure I represents an organism which feeds on dead organic matter. Study the diagram carefully then answer the questions that follow:

Figure I

(i)What is the name of the organism in Figure 1?

(ii)Name the parts labelled with letters A, B and C.

(c) Mention the Phylum in which the organism in "Figure 1" belongs.

View Ans


6.What do you understand by the term "Puberty"? 

(b) Mention four requirements of personal hygiene.

(c) State two ways of maintaining personal hygiene during puberty.

View Ans


7. (a) What do you understand by the following terms as used in Biology? (i) Transportation of materials

(ii) Mass flow

(b)Explain what would happen when a plant cell is immersed in hypertonic solution.

(c)State one function of each of the following blood vessels:

(i)Pulmonary vein

(ii)Pulmonary artery

View Ans


8.   Define the term "natural environment as used in Biology.

(b) List six components of the food chain and food web.

(c)  (i) Give one example of the biotic component of the environment. (ii) Give one example of abiotic component of the environment.

View Ans


SECTION C

9.  Explain the causes, symptoms and control/prevention measures of asthma in the respiratory system.

View Ans


10.  Elaborate any three traditional and three modern methods used in food processing, preservation and storage.

View Ans


Download Learning
Hub App

For Call,Sms&WhatsApp: 255769929722 / 255754805256

GO TO NECTA EXAMS