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
c.Amphibians only
d.Pisces only
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
a.(i) and(iii)
b.(ii) and(iv)
c.(i) and(iv)
d.(ii) and(iii)
3.In a neuron, conversion of electrical signal to a chemical signal occur at/in-
a.Cell body
b.Axonal end
c.Dendritic end
d.Axon
4.Which of the following is not associated with growth of the plants?
a.Auxin
b.Gibberellin
c.Cytokines
d.Abscisic acid
5.Iodine is necessary for the synthesis of which hormones?
a.Adrenaline
b.Thyroxin
c.Auxin
d.Insulin
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-
a.Ureter
b.Urethra
c.Neuron
d.Nephron
9.The internal (cellular) energy reserve in autotrophs is-
a.Glycogen
b.Protein
c.Starch
d.Fatty acid
10.The opening and closing of stomata pore depend upon-
a.Oxygen
b.Temperature
c.Water in guard cell
d.Concentration of carbon dioxide in stomata
