Question

Butter is separated from milk by
2 points
(a) sedimentation
(b) filtration
(c) churning
(d) decantation
2) Filtration is a method to separate the components of a
2 points
(a) solution
(b) mixture of a liquid and an insoluble substance
(c) both (a) and (b)
(d) pure substance
3) Threshing is done by
2 points
(a) beating
(b) bullocks
(c) machines
(d) all of these
Q4)Which method is used to separate pebbles and stones from sand?
2 points
(a) Winnowing
(b) Any of these
(c) Sieving
(d) Hand picking
Q5-Sand from water is separated by
2 points
a) sieving
(b) evaporation
(c) filtration
(d) sedimentation and decantation
Q6-Which is an example of a shrub?
2 points
a) Spinach
(b) Mango tree
(c) Tomato plant
(d) Lemon
Q7-Which of the following type of plants has thick, hard and woody stem?
2 points
a) Tree
(b) Shrub
(c) Herb
(d) All of these
Q8-parallel venation is not found in
2 points
a) sugarcane
(b) peepal
(c) maize
(d) wheat
Q9-Which one of the following is a function of leaves?
2 points
a) Photosynthesis
(b) Transpiration
(c) Both (a) and (b)
(d) Support fruits
Q10-Male reproductive part of flower is
2 points
a) sepals
(b) petals
(c) stamens
(d) pistil
Q11-Which of the following has fibrous root?
2 points
(a) Peas
(b) Wheat
(c) Radish
(d) Neem
Q12-Which is not a part of a leaf?
2 points
a) Petiole
(b) Lamina
(c) Veins
(d) Nodes
Q13-The process of loss of water by a plant through leaves is called
2 points
a) evaporation
(b) condensation
(c) photosynthesis
(d) transpiration
Q14- The broad base of the leaf is known as:
2 points
(a)midrib
(b) stoma
(c) chlorophyll
(d) Lamina
Q15-Which part of plant absorbs water and minerals from the soil?
2 points
a) stem
(b) leaf
(c) root
(d) flower
Q16-Which of the following is not a characteristic of leaf?
2 points
a) Transpiration
(b) Photosynthesis
(c) Absorption of water and minerals form the soil
(d) Has a green pigment
Q17-Which of the following changes can be reversed?
2 points
(a) Raw egg to boiled egg
(b) Wet clothes to dry clothes
(c) Bud to flower
(d) Cow dung to biogas
Q18-Metal rim is fixed to the wooden cart wheel by
2 points
a) heating metal rim
(b) heating wooden wheel
(c) cooling metal rim
(d) cooling wooden wheel
Q19-Metal rim is fixed to the wooden cart wheel by
2 points
a) heating metal rim
(b) heating wooden wheel
(c) cooling metal rim
(d) cooling wooden wheel
Q20-Which of the following changes cannot be reversed?
2 points
a) Milk to paneer
(b) Cold milk to hot milk
(c) Yam to knitted sweater
(d) Wet clothes to dry clothes
Q 21-Conversion of water into vapour by heating is called
2 points
a) Evaporation of water
(b) Burning of fuels
(c) Moving of a wheel
(d) Breaking of a brick
Q22-The process of settling down of particles of a solid in a liquid is called
2 points
Decantation
B)sedimentation
C)threshing
Winnowing
None
Q23-which is herb in following
2 points
A)Grass
B)Tulsi
C)Neem
D)Mango
Q24)seperation of seeds from stalk is called
2 points
A) Threshing
B) Winnowing
C)Handpicking
D)All of these
Q25-Function of stem is
2 points
A) Absorption of water from soil
B)Transfer of water to other parts of plant
C) Both
D)None​

Answer 1

Answer:

1) (c) churning

2) (d) pure substance

3) (d) all of these

4) (d) handpicking

5) (a) sieving

6) (d) lemon

7) (a) tree

8) (a) sugarcane

9) (c) both a & b

10) (c) stamen

11) (b) wheat

12) (d) nodes

13) (d) transpiration

14) (d) lamina

15) (c) root

16) (c) absorption of water & minerals

17) (b) wet to dry clothes

18) (b) heating metal rim

19) (a) heating metal rim

20) (a) milk to paneer

21) (a) evaporation of water

22) (b) sedimentation

23) (a) grass

24) (b) winnowing

25) (b) transfer of water to other parts of plants

Answer 2

Answer:

butter is separated from milk