Riding leval 9, please help me!

Plese help me with riding leval 9! I don't know the answers

1 - In horses, ingesting less than 10 grams of yew can cause death

• true
  
• false
  

2 - A mare can, just like males, sometimes have two additional teeth called "fangs":

• true, we then say she is "sterile"
  
• false, males and females have the same number of teeth
  
• true, we then say she is "fanged"
  
• false, this is impossible
  

3 - To what does the horse's hock correspond to in humans?

• to the ankle
  
• to nothing
  
• to the hip
  
• to the knee
  

4 - In cross races, what types of obstacles are there? (more than one correct)

• vertical hurdles
  
• flight hurdles
  
• panoramic hurdles
  
• directional hurdles
  
• botanic hurdles
  

5 - What does the verb "to paddock" mean?

• for a horse, to refuse to go riding by "pushing" its horse rider to the door (so, the paddock)
  
• to put down some harrow to improve the paddock's soil
  
• for a horse rider, to warm up the horse in the paddock before going riding
  

6 - For the "Arab" trot, I am

• slightly supported on the stirrups, knees bent to absorb the shocks
  
• stood up on the stirrups, legs straight
  
• seated deeply in my saddle
  

7 - In this list, what names designate reins? (more than one answer)

• the blinkers
  
• the elastics
  
• the crupper
  
• the martingale
  
• the breastplate
  
• the drop noseband
  

8 - When grooming a horse's mane, you can make fine plaits, called:

• cherries
  
• beads
  
• slugs
  
• pellets
  

9 - In hurdle jumping races and in cross races, the hurdles: (more than one answer)

• can be jumped over in both directions
  
• have a jumping over direction in hurdle racing
  
• the red flag is on the right, the white one on the left
  
• the red flag is on the left, the white one on the right
  
• have an imposed jumping over direction in hurdle racing, not in cross
  

10 - What are the elements of the bridle? (more than one answer)

• the bit
  
• the reins
  
• the brow band
  
• the muzzle
  
• the over head strap
  
• the cheek strap
  
• the throat latch
  

Please help me!