Light Sample Questions for Class 7
Question 1
What portion of the endoplasmic reticulum is free of ribosomes?
A. smooth endoplasmic reticulum
B. rough endoplasmic reticulum
Question 2
On the water cycle diagram, an example of condensation is shown at point and an example of evaporation is shown at point .
A. B; K
B. D; G
C. K; D
D. G; B
Question 3
A(n) uses high-frequency sound waves and lets doctors see how an unborn baby is developing.
A. ultrasound
B. embryo
C. zygote
D. twins
Question 4
When the north end of Earth's axis is tilted toward the Sun, what will North America experience?
A. more indirect rays and shorter days
B. more indirect rays and longer days
C. more direct rays and shorter days
D. more direct rays and longer days
Question 5
Which characteristic of life is demonstrated by a houseplant that grows toward the light from a window?
A. growth and development
B. organization
C. response to stimuli
D. use of energy