A. take in Carbon Dioxide
B. give off Oxygen
C. give off Carbon Dioxide
D. None of these
Related Mcqs:
- The source of oxygen in photosynthesis is
A. water
B. salts
C. minerals
D. glucose - In which part of the Plant does photosynthesis take place?
A. Flowers
B. Roots
C. Stem
D. LeavesSubmitted by: ABDUL HAYEE
- Which of the following gases do plants and trees give out during photosynthesis?
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Carbon dioxideSubmitted by: ABDUL HAYEE
- Which one of the following wavelengths of light is most effective in photosynthesis?
A. Blue
B. Green
C. Orange
D. YellowSubmitted by: Malik Asghar Hussain
- Night vision is possible with the help of ___________?
A. Red light
B. Violet light
C. Infrared Rays
D. Ultra violet Light
E. None of these - Permissible noise level at Residential area during night time is:
A. 45 dB
B. 55 dB
C. 75 dB
D. 80 dBSubmitted by: Malik Asghar Hussain
- What is the date when day and night are equal?
A. March 21 and December 24
B. January 14 and September 23
C. March 20 and September 23
D. January 14 and June 22Submitted by: Mansoor Ahmed Suhag
- Day and night are the results of__________?
A. Earth rotation around its axis
B. Earth revolution
C. Earth rotation accompanied with its revolution.
D. None of theseSubmitted by: Muhammad Arshad Anwer
- Which types of waves are used in a night vision apparatus ?
A. Radio Waves
B. Micro Waves
C. Infrared Waves
D. Magnetic wavesSubmitted by: Haziq
- The difference in the duration of day and night increases as one moves from:_________?
A. West to East
B. East and west of the prime meridian
C. Equator to poles
D. None of theseSubmitted by: SHAFQAT ALI SIYAL
The correct answer to the question: "In night, when photosynthesis is stopped, plants__________?" is "give off Carbon Dioxide".
7 Comments
B & C both
Option A and both are correct.
Option A and D both are correct.
Plants also take oxygen
Both b and c is true. At night plants take in oxygen and give off carbon dioxide
During night plants give off co2 and take in oxygen then why in this question option B is correct only , why not both A and B??
please rectify the option b and c because both option are relevant . at the night time plants take in oxygen and give off carbon dioxide.