STD 12 - 7. human health and disease — NEET STD 11 Science — Question

Shifting of ammonotelism to ureotelism is seen in

Choose the wrong statement for specialised connective tissues:
(i) All of the cartilages in vertebrate embryos are replaced by bones in adults.
(ii) Cartilage is present in the tip of nose, outer ear joints, between adjacent bones of the vertebral column, limbs and hands in adults.
(iii) Osteocytes are a bone cell and present in the spaces called lacunae.
(iv) The bone marrow in all bones is the site of production of blood cells.
(v) Blood is a fluid connective tissue.

The symptom of common cold are:
(a) Nasal congestion
(b) Sore throat
(c) Hoarseness
(d) Cough
(e) Headache

Heart beats are affected by

Which of the following method is used when male partner is unable to inseminate into the female partner due to the low sperm count?

The formation of egg and sperm is affected by

Graves’ disease is caused due to

What is the correct sequence of sperm formation?

Select the Incorrect match:

Which ion binds with troponin during muscle contraction ?