Science Class 6th

21. Amoeba has shape.

A. Permanent

B. Temporary

C. None of these

22. Cells performing same functions are called?

A. Tissues

B. Cells

C. Organs

D. All of the above

23. Muscles and blood are the examples of?

A. Tissues

B. Cells

C. Organs

D. All of the above

24. Those tissues which perform photosynthesis are called?

A. Conducting tissues

B. Xylem

C. Mesophyll tissues

D. All of these

25. Long tube like tissues used for transportation of water and minerals are called?

A. Mesophyll

B. Conducting

C. Both (a) and (b)

D. None of these

26. Different tissues work together to form?

A. Organ

B. Cells

C. System

D. All of these

27. Lungs and eyes are examples of ?

A. Tissues

B. Organs

C. Cells

D. Systems

28. Roots and Leaves are examples of ?

A. System

B. Cells

C. Organs

29. Many organs work together to form?

A. Structure

B. System

C. Organisms

D. Tissues

30. Stomach, Intestines, rectum and anus form?

A. Nervous system

B. Digestive system

C. Root system

D. Respiratory system

31. system is composed of Nasal cavity, pharynx, larynx, treachea and bronchi.

A. Nervous

B. Digestive

C. Excretory

D. Respiratory

32. System that helps in removal of waste material from body is called?

A. Circulatory

B. Excretory

C. Nervous

D. None of these

33. system gains information about environment and responds accordingly.

A. Nervous

B. Circulatory

C. Excretory

D. None of these

34. system circulates blood in our body.

A. Nervous

B. Conducting

C. Excretory

D. Circulatory

35. Plant has main systems.

A. 3

B. 4

C. 2

D. 5

36. Stem, Branches, Leaves and flower form system.

A. Shoot

B. Root

C. Both (a) and (b)

D. None of these

37. Plants prepare food in their ?

A. Leaves

B. Roots

C. Flowers

D. Fruits

38. A branch on stem is part of system?

A. Root

B. Branch

C. Shoot

D. Leaves

39. System responsible for transport of digested food is?

A. Digestive system

B. Circulatory system

C. Nervous system

D. Shoot system

40. Brain controls the body just like cell is controlled by?

A. Mitochondria

B. Nucleus

C. Cell membrane

D. None of these