Question

2. FILL IN THE BLANKS: (6×1=6)

I. Parachute fabric is made of _____________.

II. Curd contains a bacterium called _________________.

III. Metals react with water to form ___________ gas.

IV. The nucleus of a cell is surrounded by ______ membrane.

V. We make grooves in the tyres of bicycles to ____________ friction.

VI. The SI unit of pressure is ____________.​

Answer 1

Answer:

1.nylon

2.lactobaccilus

3.hydrogen

4.nuclear envelope

5.increase

5.pascal

Answer 2

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I. Parachute fabric is made of nylon.

II. Curd contains a bacteria called lactobacillus bacteria.

III. Metals react with water to form hydrogen gas.

IV. The nucleus of a cell is surrounded by nuclear membrane.

V. We make grooves in the tyres of bicycles to increase friction.

VI. The SI unit of pressure is pascal.

_________________________