Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JIPMER 2013
Exam
JIPMER
Year
2013
Subject
Zoology
Chapter
Organisms and Populations

JIPMER 2013 · Zoology · Organisms and Populations

Which of the following plant keeps its stomata open during night...

Which of the following plant keeps its stomata open during night and closed during the day?

Options

  1. AOrchid
  2. BCactus
  3. CTea
  4. DWheat

Correct answer

B. Cactus

Step-by-step solution

Scotoactive mechanism of opening of stomata is seen in fleshy xerophytes like Opuntia, cactus, etc. They keep their stomata open at night and closed during daytimes.
Practice Organisms and Populations on Quantrex Academy →

More from Organisms and Populations

Match List-I with List-II . List-I List-II A. Both species are harmed I. Predation B. One… NEET 2026Choose the correct statements regarding population interactions between two species. A.… NEET 2026Which of the following equations depicts Verhulst-Pearl logistic population growth ? NEET 2026Consider a population of 10 million cells. Given the per-capita birth rate of 0.002 (per… NEET 2026Given below are two statements : one is labelled as Assertion A and the other is labelled… NEET 2026Given below are two statements : one is labelled as Assertion A and the other is labelled… NEET 2026Which one of the following is an appropriate example of 'sexual deceit' ? NEET 2026Who is known as the father of Ecology in India? NEET 2025 Full Organisms and Populations list All JIPMER PYQs