Physical Health and Hygiene — Biology STD 10 — Question

The hormone responsible for phototropism and geotropism is:

A sequence of DNA has 200 nitrogenous base pairs, of which 100 are Thymine-Adenine pairs. What is the number of CytosineGuanine pairs in this sequence:

Assertion (A): The thyroid gland produces hormones that regulate metabolism.
Reason (R): Dysfunction of the thyroid gland can lead to conditions such as hypothyroidism or hyperthyroidism.

Choose the appropriate passage of blood circulation through the chambers of heart from the following options:

A student is investigating the effect of temperature on the rate of transpiration. Which environmental conditions should be kept constant during this investigation?

Choose the Odd One Out

Kidney consists of minute tubules called:

Renal arteriole that enters Bowman's capsule is _________ and then reunited capillaries comes away from Bowman's capsule as _________ .