People living in high altitudes (like mountains) usually have a _________?

✅ B. Spinal cord

Option A: Brain Option B: Spinal cord Option C: Both of these Option D: none of these. Correct Answer : Spinal cord Read more

✅ C. Ancient bacteria

Option A: Gram-ive bacteria Option B: Eubacteria Option C: Ancient bacteria Option D: Gram +ive bacteria Correct Answer : Ancient bacteria Read more

✅ A. Polymerase chain reaction

Option A: Polymerase chain reaction Option B: Poly carbomyl reaction Option C: Peptide chain reaction Option D: Pentapeptide chain reaction Correct Answer : Polymerase chain reaction Read more

✅ B. 200

Option A: 100 Option B: 200 Option C: 3000 Option D: 4000 Correct Answer : 200 Read more

✅ A. Downs syndrome

Option A: Downs syndrome Option B: Klinifelters syndrome Option C: Turners syndrome Option D: Jacobs syndrome Correct Answer : Downs syndrome Read more

✅ A. Myxedema

Option A: Myxedema Option B: Cretinism Option C: Goiter Option D: Exopthalmic goiter Correct Answer : Myxedema Read more

✅ D. Carbohydrates

Option A: Calcium Option B: Iron Option C: Water Option D: Carbohydrates Correct Answer : Carbohydrates Read more

✅ A. Carotenes

Option A: Carotenes Option B: Carotenoids Option C: Xanthophylls Option D: Chlorophyll Correct Answer : Carotenes Read more