brodidit for students
ہم آہنگی اور کنٹرول
دسویں جماعت · حیاتیات · 9 سوالات
نام: ____________________ تاریخ: ____________
The basic unit of the nervous system is the:
- A Nephron
- B Platelet
- C Neuron
- D Alveolus
The hormone that controls blood sugar is:
- A Thyroxine
- B Adrenaline
- C Oestrogen
- D Insulin
The part of the brain that controls balance is the:
- A Pituitary
- B Cerebrum
- C Medulla only
- D Cerebellum
Plant hormones that promote growth in stems are called:
- A Antibodies
- B Insulins
- C Auxins
- D Enzymes
A quick automatic response to a stimulus is a:
- A Reflex action
- B Learned skill
- C Hormone
- D Thought
The brain and spinal cord form the:
- A Peripheral nervous system
- B Skeleton
- C Central nervous system
- D Endocrine system
The part of the eye that controls how much light enters is the:
- A Retina
- B Cornea
- C Iris
- D Lens
Hormones are carried to their target organs by:
- A Lymph only
- B Nerves
- C Blood
- D Bile
The ear bones are called:
- A Vertebrae
- B Cartilage
- C Ossicles
- D Tendons
جوابی کلید
1. C, 2. D, 3. D, 4. C, 5. A, 6. C, 7. C, 8. C, 9. C
A neuron is a nerve cell.
Insulin from the pancreas lowers blood glucose.
The cerebellum coordinates balance and movement.
Auxins stimulate cell elongation.
Reflex actions do not need conscious thought.
CNS includes the brain and spinal cord.
The iris changes the size of the pupil.
The blood carries hormones around the body.
The three ossicles transmit sound to the inner ear.