Question

1. Lichen belongs to type of relationship 

a. Symbiotic

b. Parasitic

c. Saprotrophic

d. None of these

2. The process of obtaining and utilizing food by an organism is known as 

a. Digestion

b. Respiration

c. Photosynthesis

d. Nutrition

3. Number of types of taste buds present in tongue. 

a) 3

b) 4

c) 5

d) 7

4. The organism that forms food vacuole during nutrition. 

a) Euglena

b) Bacteria

c) Amoeba

d) Paramecium

5. 



a) Combination

b) Neutralization

c) Displacement

d) Decomposition

6. Iron get rusted, When it comes in contact of 

a) Air

b) Water

c) Both air and water

d) Carbon dioxide

7. Curdling of milk belongs to 

a) Chemical change

b) Physical change

c) Both physical and chemical changes

d) None of these

8. Material not belongs to an insulator

a) Rubber

b) Plastic

c) Aluminium

d) Wood

9. Formation of storms are caused by

a) Conduction

b) Convection

c) Radiation

d) Any other way

10) When we hold our hand close to side of flame, they get warmed up mainly due to 

a) conduction as well as convection

b) conduction

c) radiation

d) convection

11) In solids, heat is generally transferred by 

a) Conduction

b) Convection

c) Radiation

d) All the three modes

12) Spyrogyra reproduces asexually by 

a) Budding

b) Fragmentation

c) Spore formation

d) Vegetative reproduction

13) Cacti can be multiplied by 

a) Stem

b) Seed

c) Flower

d) All parts of plant

14) Bisexual flower has 

a) Stamen

b) Pistil

c) Stamen and pistil

d) Filament

15) Fruits develop from 

a) Ovary

b) Leaves

c) Ovule

d) Petal

16) Which of these is the lowest horizon of soil profile 

a) Subsoil

b) Bed rock

c) Gravel

d) Humus

17) Red ,Yellow or brown colours are usually related to the different types of oxides present in the soil 

a) magnesium oxides

b) Calcium oxides

c) Aluminium oxides

d) Iron oxides

18) Property by which soil particles have a tendency to stick together 

a) Cohesion

b) Infiltration

c) Plasticity

d) Percolation

19) Ideal soil for growing pulses 

a) Sandy

b) Loamy

c) Sandy loam

d) Clayey

20) According to the laws of reflection, the relationship between angle of incidence and the angle of reflection will be 

a) Both are equal

b) Angle of incidence is greater than angle of reflection

c) Both are not equal

d) Angle of reflection is greater than angle of incidence

21) In a plane mirror 

a) object distance = image distance

b) object distance ≠ image distance

c) object distance > image distance

d) object distance < image distance

22) A Concave mirror forms a virtual image, When the position of the object will be 

a) At infinity

b) At the center of curvature

c) At the focus

d) Between focus and pole

23) Mirror serve as good rear view mirror 

a) concave mirror

b) convex mirror

c) plane mirror

d) curved mirror

24) As the amount of rainfall decreases farmers depend more for irrigation 

a) Pond water

b) Sea water

c) River water

d) Ground water

25) One of the important factor that can lead to a scarcity of water, is 

a) Excessive rain fall

b) Afforestation

c) Deforestation

d) Processing of sea water



​

Answer 1

Answer:

1 . saprophytic

if it helped Mark me down as a brainliest answer and give me points plz

Answer 2

Hey mate.

Here are your answers.

1. Symbiotic.

2. Nutrition.

3.Five.

4.Amoeba.

5.

6. Both air and water

7. Chemical change.

8. Aluminium.

9. Convection.

10.

11.

12. Fragmentation.

13. Stem.

14.Stamen and Pistil.

15. Ovary

16. Bed rock

17.

18. Cohesion (Not sure)

19. Loamy

20. Both are equal.

21. object distance = image distance.

22. At the focus.

23. Convex Mirror.

24. River water.

25. Deforestation.