TNPSC Group II Exam-2013-Model Test Paper-General Science-Part 1

TNPSC Group II Exam 2013-Model Test Paper-Science Test

 1. The basic structure and functional unit of living organism is called

1. Cell
2. Nucleus
3. ribosome
4. mitochondria

Answer: A

2. Who discovered the cell first?

1. Robert Brown
2. Robert Nixon
3. Robert Hook
4. Alexander Fleming

Answer: C

3. Consider the following regarding discovery of cell

1. Robert Hook, who discovered was a an optic seller
2. It was discovered in 1665
3. Basically, it was found from a cork
4. Robert Hook, who discovered was a scientist

Which of the among statements is/are correct

1. 1, 2 and 3
2. 1, 3 and 4
3. 1, 2 and 4
4. 2 and 3 only

Answer: A

4. Consider the statements regarding Robert Brown

1. He was a School teacher

2. Discovered nucleus of a cell

3. Invented advanced microscope

4. Described cell is small factory

5. Understood that there are about 12-13 organelles involved in heavy task

Choose the correct answer using the codes

1. 1, 2, 3, and 4 are true
2. 1,2,4 and 5 are true
3. 2,3,4 and 4 are true
4. All are true

Answer: D 

5. Which one is not the part of Animal Cell?

a. Plasma Membrane

b. Protoplasm

c. Cytoplams

d. Cell Wall

Answer: D

6. Who coined the word Protoplasm?

a. Robert Hooke

b. Robert Brown

c. Schleiden and Schwann

d. J.E. Purkinjee

Answer: D

7. Cristae is a part of which cell organelle

a. Golgi bodies

b. Mitochondria

c. Protoplasm  

d. Ribosomes

Answer: B 

8. Which one of the cell organelle is called suicidal bags of the cell? 

a. Ribosomes       

b. Mitochondria   

c. Protoplasm        

d. Lysosomes  

Answer: D

9. Which one of the following cell organelle is called “Power House of the Cell”

a. Ribosomes     

b. Mitochondria   

c. Endoplasm      

d. Cytoplasm

Answer: B   

10. Transportation of material from one part to other part of the cell is carried out by

a. Nucleus      

b. Mitochondria   

c. Endoplasmic reticulum        

d. Golgi bodies

Answer: C

11.  Statements

Assertion: Plants are more rigid than animals

Reason: Plant cells have cell wall

a. Both Assertion and Reason are correct and Reason is the Correct Explanation to Assertion

b. Both Assertion and Reason are correct BUT Reason is not the Correct Explanation to Assertion

c. Assertion is true Reason is false

d. Assertion is false Reason is true

Answer: A

12.  Which of the following is wrongly matched?

a. Chlorophyll             - Green Colour

b. Xanthophylls          - Yellow Comlour

c. Carotene                - Orange Colour

d. Retinoid                 - Red

Answer: D

13. Which one of the following is/are functions of Plastids?

a. Helps in photosynthesis   

b. Give colour to flowers and fruits  

c. Helps protein synthesis

d. Both a and b

Answer: D

14. How many cells are there in the human body?

a. 6,50,00,000   

b. 9,50,00,000  

c. 65,00,000

d. 95,00,000

Answer: A

15.  Who discovered (RBC) Red Blood Cells?

a. Robert Hooke

2. Robert Brown
3. Anton Van Leeuwenhoek
4. Schleiden and Schwann

Answer: C

16. The longest cell is

a. Nerve cell   

b. Bone cell  

c. Muscle cell

d. Blood cell

Answer: A

17. Match the following

1. Mitochondria         - A.  Suicidal bag

2. Ribosme                 - B. Power House of cell

3. Lysosome              - C. Controlling centre of the Cell

4. Nucleus                  - D. Protein factory of the Cell

Codes

A         B         C         D

a.         4          3          2          1

b.         3          1          4          2

c.         1          2          3          4

d.         1          3          2          4

Answer: B

18. Bones made up of

a. Live cells 

b. Special type of live cells

c. Special dead cells 

d. Special type of dry cells

Answer: D

19. Find out the odd man out

a. Urea

b. DAP

c. Ammonium Sulphate 

d. Ammonium Nitrate 

Answer: B

20. Which one of the following food has maximum Protein?

a. Milk

b. Egg

c. Meat 

d. Fish 

Answer: B

21. Match the Following

1. Bones                     - A.  Atherosclerosis

2. Digestive System - B. Air sacs damage

3. Lungs                     - C. Peptic Ulcer

4. Heart                      - D. Osteoporosis  

Codes

A         B         C         D

a.         4          3          2          1

b.         3          1          4          2

c.         1          2          3          4

d.         1          3          2          4

Answer: A

22. Match the Following

1. Euglena                  - A.  Fin

2. Earthworm             - B. Flagella

3. Fish                        - C. Petagium

4. Bat                          - D. Body setae

Codes

A         B         C         D

a.         4          3          2          1

b.         3          1          4          2

c.         1          2          3          4

d.         1          3          2          4

Answer: B

23. Only one animal can move its upper jaw. Name the animal

 a. Cow

b. Horse

c. Crocodile  

d. Lion    

Answer: C

24. How many ribs are there in Human Thoracic? 

a. 10

b. 11

c. 12  

d. 13   

Answer: C

25. Basic molecule of Protein is  

a. Glucose

b. Glycerol

c. Alcohol   

d. Amino Acids   

Answer: D