NTSE Science Important Questions Part-1
1) Which one among the following vitamins is necessary for blood clotting?
a) Vitamin A
b) Vitamin D
c) Vitamin K
d) Vitamin C
2) Among the following which one is not an ape
a) Gibbon
b) Urangutan
c) Gorilla
d) Langur
3) Where is the Institute of Microbial Technology situated?
a) Mumbai
b) Chandigarh
c) Delhi
d) Chennai
4) If a dicot stem is stained with safranin and fast green, the phloem will pick up
a) orange color
b) green color
c) yellow color
d) red color
5) Which of the following metal ion is needed to form poly-ribosomes from ribosomes?
a) Ca2+
b) Zn2+
c) K+
d) Mg2+
6) Which among the following hormone has a stimulatory effect on the heart?
a) Estrone
b) Erythropoietin
c) Thyroxine
d) Epinephrine
7) Which cells cannot divide following the birth in humans?
a) Nerve cells
b) Muscle cells
c) Osteoblast
d) Epidermal cells
8) Which one among the following hormones is the ‘stress hormone’ of plants?
a) Auxin
b) Abscisic acid
c) Gibberellin
d) Cytokinin
9) The secretory Product pectin of cell wall is chemically a
a) Protein
b) Carbohydrate
c) Lipid
d) Nucleic acid
10) The genes which confer antibiotic resistance to bacteria are located in
a) plasmid
b) nucleoid DNA
c) RNA
d) cell wall
11) Milk is unique in its nutritive value.However,it is a poor source of
a) calcium
b) iron
c) copper
d) sodium
12) Which one among the given hormones is jocularly termed as a ‘’jack-of-all-trade’’?
a) Prolactin
b) Renin
c) Thyroxine
d) Parathormone
13) Which one among the following metals is used in fireworks to make a brilliant white light?
a) Sodium
b) Magnesium
c) Aluminium
d) Silver
14) Which one among the following agents is added to domestic LPG cylinder to help in the detection of gas leakage?
a) Methanol
b) Ethanol
c) Thioethanol
d) Chloroform
15)Which one of the following is the important ore magnesium?
a) Cassiterite
b) Malachite
c) Carnalite
d) Galena
NTSE Science Important Questions Part-2
1) The element common to all acids is
a) hydrogen
b) carbon
c) sulphur
d) oxygen
2) One Joule is equal to
a) 105 ergs
b) 103 ergs
c) 107 ergs
d) 1011 ergs
3) How does common salt help in separating soap from the solution after saponification
a) By decreasing density of Soap
b) By decreasing solubility of Soap
c) By increasing density of Soap
d) By increasing solubility of Soap
4) rrent is measure by
a) commutator
b) anemometer
c) ammeter
d) voltmeter
5) What is a young horse called?
a) Colt
b) Filly
c) Foal
d) Hack
6) Which of the following is not a fertiliser product?
a) Di-ammonium Phosphate
b) Calcium Carbonate
c) Nitrogen phosphorous potassium complexes
d) Urea
7) Which instrument determines specific gravity of liquids?
a) Gravimeter
b) Hydrometer
c) Hygrometer
d) Hypsometer
8) Under which one of the following comes the National River Conservation Directorate?
a) Ministry of Earth Sciences
b) Ministry of Agriculture
c) Ministry of Environment and Forests
d) Ministry of Water Resources
9) This digestive juice has no enzymes. What is it called?
a.) Saliva
b.) Intestinal juice
c.) Bile juice
d.) Gastric juice
10) Seed will not germinate if there is no ____.
a.) soil
b.) light
c.) water
d.) heat