Biology, asked by Azalea, 1 year ago

ANSWER ALL
1.Three glasses P, Q and R having equal amount of water were taken and
equal amount of salt was added to each one of them. After that P was
cooled, Q was heated and R was left undisturbed .Water in which glass will
now taste more salty?
A. P B. Q
C. R D. All will taste the same
2. The volume of the object immersed in water is

A. 10 ml B. 20 ml
C. 30 ml D. 40 ml
3. At what trophic level are the autotrophs present in t
B. Second Trophic level
C. Third Trophic level
D. Fourth Trophic level
4. Two cars X and Y travelling in opposite directions on a narrow road as shown
here. Four possible positions for placing a mirror are labelled D, E, F and G. In
order to avoid an accident, a mirror could be placed at position _____.
A. D B. E
C. F D. G
5. A thermometer sits in a glass of hot water.
Why does the liquid inside the thermometer rise?
A. Gravity pushes it up.
B. Air bubbles are released.
C. Heat from the water makes it expand.
D. Air pressure above the water pulls it up.
6. This is special organ of a climber plant which helps the plant in climbing. Name
the organ.
A. Tendril B. Lamina
C. Petiole D. Leaf Blade
7. Sameer and Ahmed were playing in a ground. They start running from the
same point A on the ground of equal sides and reached a point B at the same
time by following path 1 and 2 respectively as shown in the figure .Which of the
following are/is true for given situation?
As compared to Sameer , Ahmed covers a
A. Longer distance but with a lower speed.
B. Longer distance but with a higher speed.
C. Shorter distance but with a lower speed.
D. Shorter distance but with a higher speed
8. Joe and Jill made a volcano using baking soda and vinegar. When they put them
together the volcano foamed and bubbled. This is an example of?
A. a weight change.
B. a chemical change.
C. a physical change.
D. a density change.

Answers

Answered by Madiit
6

Here are the answers!


1. B- Q

2. A-10 ml

3.A- First Trophic Level

4. A- D

5 .C- Heat from the water makes it expand

6. A- Tendril

7. B. Longer distance but with a higher speed.

8. B- A chemical change


Hope it helped!!

Madiit-

Answered by blublue
1

3.a

6.a

8.b


i only know these hope it correct

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