Question

1. Earthworm respires through
(a) tracheae
(b) lungs
(c) skin
(d) gills
2. The component of blood that protects us from diseases is
(a) RBC
(b) WBC
(c) platelet
(d) blood plasma
3. Which of the following is a bisexual flower?
(a) rose
(b) mustard
(c) lily
(d) all of these
4. The standard unit of speed is
(a) m
(b) s
(c) s/m
(d) m/s
Fill in the blanks:
1. During exhalation, the ribs move
2. Water evaporates through the stomata by the process of
Very Short Answer Questions:
1. What is a simple pendulum?​

Answer 1

Answer:

trachee is the answer ok

Answer 2

❥︎1.Earthworm respires through

a)tracheae

b)lungs

c)skin✔︎

d)gills

❥︎2.The component of blood that protects us from diseases is

a)RBC

b)WBC✔︎

c)platelet

d)blood plasma

❥︎3.Which of the following is a bisexual flower?

a)rose

b)mustard

c)lily

d)all of these✔︎

❥︎4.The standard unit of speed is

a)m

b)s

c)s/m

d)m/s✔︎

❥︎FILL IN THE BLANKS:

1.During exclahation,ribs move downwards and inwards.

2.Water evaporates through the stomata by the process of transpiration.

❥︎VERY SHORT ANSWER QUESTIONS:

1.What is a simple pendulum?

Ans✈︎ A pendulum is body suspend from a fixed support so that it swings freely back and forth under the influence of gravity.

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