Question

Choose the correct answer

1. ______ shows both living and nonliving characteristics.

a) Protozoa b) Virus

c) Bacteria d) Fungi

2. Plants that prevent soil erosion are

a) algae b) fungi

c) bryophytes d) pteridophytes

3. The process of air passing in and out the lungs is called ______________.

a) inhalation b) exhalation

c) breathing d) None of these

4. External ear (pinna )is supported by

(a) bone (b) cartilage

(c) tendon (d) capsule

5. Many adolescent boys and girls get pimples on face, due to the secretions of

_________ gland.

a) sweat b) sebaceous

c) sweat and sebaceous d) None of these

6. ___________ are the chemical substances, secreted by endocrine glands.

a) Hormones b) Enzymes

c) Proteins d) Fatty acids

II Answer any 7 of the following

7. Write the four types of bacteria, based on their shape.

8. State true or false. If false, correct the statement.

a) Dicotyledons have well developed characters than the gymnosperms.

b) Mosses are the well developed plant in bryophytes.

9. State different types of tissues.​

Answer 1

Answer:

1) bacteria

2) algae

3) breathing

4) cartilage

5) salivary gland

6) enzymes

7) Bacteria are classified into five groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes).

8) a.true

b.false

9) Introduction to cells and tissues Epithelial tissue Connective tissue Nervous tissue Muscle tissue Cartilage and bone.

Answer 2

Explanation:

1) Virus, protozoa

2) c) bryophytes d) pteridophytes

3) Breathing

4) Cartilage