Question

Q3 Match the following
1 Amarbel
Netrager
u Soo Scaning
i Torch Yach
Sea Breezing
vlloon Heat en
Radiation
-Wool yielding chine
Phi WORKSHEET

Q1. Multiple Choice Questions (MCQs).

(i) Which of the following gas is given out during photosynthesis?

a) Nitrogen b) Carbon dioxide

c) Oxygen d) Water vapour

(ii) Which of the following fibres are made of proteins?

a) Silk and Cotton b) Natural silk and artificial silk

c) Rayon and wool d) wool and silk

(iii) Transfer of heat by convection can take in:

a) Solids and Liquids b) Solids and vacuum

c) Gases and Liquids d) Vacuum and Gases

Q2. Fill in the blanks.

(i)The simple carbohydrate made as food by photosynthesis is__________

(ii)Silk is obtained from the __________ of silk moth.

(iii) The range of Laboratory thermometer is from ______ to _________

Q3. Match the following.

COLUMN I COLUMN II

(i) Amarbel (a) Radiation

(ii) Nitrogen (b) Wool yielding animal

(iii) Scouring (c) Rhizobium Bacteria

(iv) Yak (d) Convection

(v) Sea Breezing (e)Cuscuta

(vi) Room Heater (f) Cleaning sheared wool

Q4. A person observes that some plants have deep red, violet and brown coloured leaves.

Can these leaves carry out photosynthesis? Give reason for your answer.

Q5. Explain why, a woollen garment keeps us very warms in winter.

Q6. When we stand next to a burning fire, we can feel the heat on our face. Name the

process which transfers this heat from fire.

Q7. Why does the mercury level not fall on its own when the bulb of a clinical thermometer

is removed from the mouth?

Q8. Draw the life cycle of silk moth. Bacteria
Connection
Cuscuta
Clooning sheared word​

Answer 1

Oxygen is given out during photosynthesis