Question

SHIKSHKARNI HIGH SCHOOL
ACHIEVEMENT TEST 1
SUB: SCIENCE
CLASS: IX
MARKS: 20
1. Choose the correct answer from the following questions: 4x4=2
1 When the liquid is spun rapidly, the denser particles are forced to the bottom and
the lighter particles stay at the top. This principle is used in:
(a) Centrifugation
ib) Fractional distillation
(c) Evaporation
(d) Tunnelinga
2 Sieve tubes and companion tells we present in
(b) phloem
(c) cork
(d) cambium
3. Which of the following are chemical changes?
a. Mixing of iron fillings and sand
c. freezing of water
b. Cooking of food
d. melting of was
4. Tissue that transports food in plants
a Xylem
c. Phleom
Tracheids
d. parenchyma​

Answer 1

Answer:

mark me as. a brain list

Answer 2

Answer:

You can't ask your exam's questions here, focus on your exam