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

Which of the following is a matching set in taxonomy

When embryo develops in the body of female but it does not obtain nutrients from the mother

In the diagram of excretory system of human beings given below, different parts have been indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts which they represent

A population with finite resources shows a logistic growth curve where the correct sequence of events will be :

Which of the following statements are true about urine formation ?
(i) The tubular epithelial cells in different segments of nephron perform reabsorption either by active or passive mechanisms.
(ii) Substances like glucose, amino acids, Na+, etc., in the filtrate are reabsorbed passively.
(iii) Nitrogenous wastes are absorbed by active transport.
(iv) Reabsorption of water also occurs passively in the initial segments of the nephron.
(v) During urine formation, the tubular cells secrete substances like H⁺, K⁺ and ammonia into the filtrate.
(vi) Tubular secretion helps in the maintenance of ionic and acid base balance of body fluids.

Which of the following hormones is not a secretory product of human placenta?

The main reason for the success of Mendel was

Which one is odd pair