Question

6. A pivot joint allows bones to glide C. Choose the correct option. 1. Which of these helps to maintain the body shape of an earthworm? a. Bristles b. Segments C Body fluid d. None of them 2. Which of these help to detect the slightest movement and warn a cockroach of any danger from behind? a. Antennae b. Cerci c Bristles d. Tentacles 3. Which of these helps a fish to move up and down in water? a. Streamlined shape b. Fins C Tail d. Swim bladder 4. Which of these features help birds to fly? a. Streamlined body b. Hollow bones c Wings and powerful chest muscles d. All of these 5. Which of these joints does the elbow have? a. Foxed joint b. Slightly movable joint c Freely movable joint d. None of these 6. Which of the following has a streamlined shape? a Aeroplane b. Fish d. All of these 7. Which of these animals do not have limbs? a. Bird b. Earthworm c Cockroach d. Snake 8. Which of these protects the heart and lungs? a. Skull b. Rib cage c Backbone d. Limbs 9. Which of the following has movable joints? a. Skull b. Rib cage c Backbone d. Limbs 10. The ends of bones are covered with a. muscles b. cartilage c. vertebrae d. None of these c Bird​

Answer 1

Answer:

1. Bristles

2. Antennae

3. Swim bladder

4. Hollow bones

5. None of these

6. Fish

7. Bird

8. Rib case

9. Backbone

10. Muscles

Mark me as brainlist