Which of the following is not an insect
Which of the following is not an insect?
Options
(a) termite (b) ant (c) mosquito (d) spider
Correct Answer:
spider
Explanation:
No explanation available. Be the first to write the explanation for this […]
KA1997
Tissue present in an annual ring is
Tissue present in an annual ring is
Options
(a) secondary xylem and primary phloem (b) primary xylem and secondary phloem (c) secondary xylem and secondary phloem (d) primary phloem and secondary phloem
Correct […]
The most widely accepted theory of ascent of sap is
The most widely accepted theory of ascent of sap is
Options
(a) capillarity (b) pulsatory movement of living tissue (c) role of atmospheric pressure (d) transpiration pull and cohesion
Correct Answer:
transpiration pull […]
Major quantity of carbon dioxide is transported in human body in the form
Major quantity of carbon dioxide is transported in human body in the form of
Options
(a) carbo haemoglobin (b) carbonic acid (c) sodium and pottasium bicarbonates (d) calcium bicarbonate
Correct Answer:
sodium and […]
If 2 g of aluminium is treated, first with excess of dilute H₂SO₄ and then
If 2 g of aluminium is treated, first with excess of dilute H₂SO₄ and then with excess of NaOH, the ratio of the volumes of hydrogen evolved is
Options
(a) 1:1 (b) 1:2 […]
Role of nitrifying bacteria, in niterogen cycle, is to
Role of nitrifying bacteria, in niterogen cycle, is to
Options
(a) convert ammonia into nitrates (b) fix atmospheric nitrogen (c) convert ammonia into nitrogen (d) convert amino acids into ammonia
Correct Answer:
convert […]
Secretin hormone is secreted by
Secretin hormone is secreted by
Options
(a) intestine (b) pancreas (c) liver (d) duodenum
Correct Answer:
duodenum
Explanation:
Secretin is a hormone secreted by the Brunner’s glands in the wall of duodenum under […]
Schiff’s reagent is
Schiff’s reagent is
Options
(a) alkaline CuSO₄ stabilised by Rochelle salt (b) ammoniacal silver nitrate (c) rosaniline solution in water decolourised by SO₂ (d) resorcinol solution in dilute HClO₂
Correct Answer:
rosaniline solution […]
Schiff’s reagent is
Schiff’s reagent is
Options
(a) alkaline CuSO₄ stabilised by Rochelle salt (b) ammoniacal silver nitrate (c) rosaniline solution in water decolourised by SO₂ (d) resorcinol solution in dilute HClO₂
Correct Answer:
rosaniline solution […]
Which of the following compounds is formed when benzamide is heated with
Which of the following compounds is formed when benzamide is heated with phosphorus pentaoxide
Options
(a) Benzonitrile (b) Benzene (c) BrBomobenzene (d) Aniline
Correct Answer:
Benzonitrile
Explanation:
No explanation available. Be the first […]