Best Science GK Questions for SSC Exams
What is the osmolarity(in mO smolL–1) in the outer cortex and inner medullary region?
(A) 300 and 900 respectively
(B) 600 and 300 respectively
(C) 1200 and 300 respectively
(D) 300 and 1200 respectively
Correct Answer : D
Which of the following is true about
Atrial Natriuretic Factor :
1) Peptide hormone 2) Increases blood pressure 3) Reduces blood pressure 4) Vaso constrictor 5) Cause vasodialation
(A) 1, 2 and 4 are true
(B) 1,3 and 5 are true
(C) 2 and 4 are true
(D) 5 only is true
Correct Answer : B
What is the effect of Oxytocin produced by hypothalamus?
(A) Stimulates the synthesis and secretion of androgens
(B) Stimulates formation of milk in mammary glands
(C) Stimulates a vigorous myometrial contraction at the time of childbirth
(D) Stimulates synthesis of carbohydrates from non-carbohydrates in liver
Correct Answer : C
A fall in glomerular filtration rate (GFR) activates
(A) Juxta glomerular cells to release renin
(B) Adrenal cortex to release aldosterone
(C) Adrenal medulla to release adrenaline
(D) Posterior pituitary to release vasopressin
Correct Answer : A
Which one is the first heart sound?
(A) Lub during closure semilunar valves
(B) Lub during closure of atrio-ventricular valves
(C) Dub during closure of atrio- ventricular valves
(D) Dub during closure of semilunarvaleves
Correct Answer : B
By which of the following structures tongue is attached to the oral cavity?
(A) Fingulum
(B) Lingulum
(C) Frenulum
(D) Papilae
Correct Answer : C
The hard chewing surface of the teeth is____
(A) Enamel
(B) Tongue
(C) Frenulum
(D) Papillae
Correct Answer : A
According to food habit, what kind of teeth are present in human beings?
(A) Bunodont
(B) Secodont
(C) Selenodont
(D) Lophodont
Correct Answer : A
What is a diphyodont type of dentition?
(A) Two types of teeth only
(B) Two phase of gums and teeth
(C) Three types of teeth
(D) Two sets of teeth during life
Correct Answer : D
Where does the mouth lead into the alimentary canal?
(A) Pharynx
(B) Larynx
(C) Oral cavity
(D) Tongue
Correct Answer : C