Which of the following statement are true/false ?

Which of the following statements are true/false ? i. Thyrocalcitonin regulates the homeostasis of blood calcium levels. ii. Oxytocin stimulates contraction of uterine muscles during birth. iii. ''Grave's disease'' is caused by malfunctioning of the adrenal gland. iv. ADH stimulates the absorption of water and increase urine production.

Which of the following statements are true/false? (a) Trimerous condition of floral whorl is characteristic of dicotyledons. (b) Adiantum is also called walking fem. ( c) In gymnosperms, the vascular system consists of xylem without vessels and phloem without companion cells.

Which of the following statements is/are true/false about speed of sound in different media at 25^@C A. In oxygen gas, speed of sound is 316 m/s. B. In water (distilled), the speed of sound is 1498 m/s.

Which of the following statement is true/false Agrochemical based agriculture is a option that can be thought for increasing food production

Which of the following statement is true/false Genetics modification has made crops more tolerant to abiotic stress