Plant Physiology (Botany) (Part-II)

Total Questions: 33

31. Photosynthesis fulfills which of the following requirements of autotrophic organisms? [S.S.C. Online CHSL (T-I) 6.03.2018 (Shift-II)]

I. Carbon
II. Water
III. Energy

Correct Answer: (c) I and III
Solution:Photosynthesis fulfills the carbon and energy requirements of autotrophic organisms. Photosynthesis is a process through which plants and other organisms convert light energy into chemical energy to obtain food.
Hence option (c) will be the required answer.

32. _____ gets converted to phosgene when exposed to sunlight. [S.S.C. Online CHSL (T-I) 16.01.2017 (Shift-I)]

Correct Answer: (a) Chloroform
Solution:

Chloroform -
Chloroform () is known to slowly react with oxygen in the presence of sunlight to form phosgene (), a highly toxic gas. This is why chloroform is typically stored in dark bottles and often with a stabilizer.

33. Photosynthesis in plants takes place in _____ . [S.S.C. Online CHSL (T-I) 16.01.2017 (Shift-I)]

Correct Answer: (b) Leaves
Solution:Leaves -
The majority of photosynthesis in plants takes place in the leaves. Leaves are structurally adapted with chloroplast-rich cells to efficiently capture sunlight and facilitate gas exchange.