1.In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?
a.Pisces and amphibians
b.Amphibians and reptiles
2.Which of the following statement(s) is/are correct?
(i)Pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii)Fermentation can take place in aerobic bacteria
(iii)Fermentation take place in mitochondria
(iv)Fermentation is a form of anaerobic respiration
3.In a neuron, conversion of electrical signal to a chemical signal occur at/in-
4.Which of the following is not associated with growth of the plants?
5.Iodine is necessary for the synthesis of which hormones?
6.Choose the incorrect statement about insulin-
a.It is produced from pancreases
b.It regulates growth and development of the body
c.It regulate blood sugar level
d.Insufficient secretion of insulin will cause diabetes
7.Select the mis-matched pair-
a.Adrenaline – Pituitary gland
b.Testosterone – Testes
c.Estrogen – Ovary
d.Thyroxin – Thyroid gland
8.The filtration unit of kidneys are called-
9.The internal (cellular) energy reserve in autotrophs is-
10.The opening and closing of stomata pore depend upon-
c.Water in guard cell
d.Concentration of carbon dioxide in stomata