Question

(D) All the above
24. The process used to separate grains from stalk is
(A) Threshing (B) Winnowing
(C) Handpicking
(D) Sieving
25. When a glass containing muddy water is left undisturbed and the mud is allowed to settle
down, this method is called
(A) Decantation
(B) Filtration (C) Sedimentation (D) Evaporation
26. When salt water in a beaker is boiled, the water............ and
is left behind
(A) Boils, sand (B) Evaporates, salt (C) Evaporates, sand (D) Vaporizes, nothing
27. The strainer to strain tea from tea leaves acts as a
(A) Filter (B) Condenser (C) Boiler
(D) Churner
28. We need to separate the components of a mixture because
(i) Mixtures are useless.
(ii) Non useful components need to be separated from useful ones.
(iii) Impurities and harmful substances need to be removed,
(iv) The components are different and invisible.
(A) (i) only
(B) (ii) & (iii) (C) (ii) & (iv) (D) (iv) only
29. Match the items of column 'A' with the items of column 'B':
Column A
Column B
1. Pulp form fruit juice
(a) Threshing
II. Sieving
(b) Churning
II. Butter from milk
(c) Husk from wheat
IV. Grains from stalks
(d) filtration
(A) Ib, II-d, III-a, IV-C
(C) Ib, II-d, III-C, IV-a
(B) I-a, ll -c, IIIb, IV-d
(D) 1-d, 11-c, III-b. IV-a​

Answer 1

Answer:

24 winnowing

25 sedimentation

26 B

27 A

28 iv

Answer 2

Answer:

Threshing

Threshing is a process that is used to separate grain from stalks. In this process the stalks are beaten to free the grain seeds. douwdek0 and 4 more users found this answer helpful

Explanation: