Home
Class 12
BIOLOGY
Opuntia has spine like leaves which help...

Opuntia has spine like leaves which help in

A

reducing the rate of transpiration

B

increasing the rate of transpiration

C

increasing the rate of photosynthesis

D

reducing the rate of photosynthesis

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOLECULAR BASIS OF INHERITANCE

    NCERT FINGERTIPS|Exercise Molecular Basis Of Inheritance|151 Videos
  • PRACTICE PAPERS

    NCERT FINGERTIPS|Exercise Practice paper|150 Videos

Similar Questions

Explore conceptually related problems

I. Many xerophytic plants have thick cuticle on leaf epidermis and sunken stomata II. Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata closed during day III. Opuntia has spines (modified leaves) photosynthetic phylloclade (stem) IV. all adapatation are genetically fixed in all organisms V. all adapatation are genetically not fixed Choose the combination of correct option

What is present at the surface of leaves which helps the plant prevent loss of water but is absent in roots?

Stem modified for photosynthetic function by appearing like leaves are known as Or Leaves are changed into spines in xerophytic structures Called

cells of Grass leaves which help in minimising cuticular transpiration are

Aquatic annelids like______,posses lateral appendages, parapodia which help in swimming.

The …………………………. Are root like structures which help in anchorage and absorption of water in bryophytes .

Adventitious buds at the margins of leaves help in vegetative propagation of

In Opuntia, the leaves of areoles are modified into

Select one among the following A) Phyllode of Opuntia bear spines B) In Asparagus leaves develop in the axil of cladophyll C) In Chrysanthemum lateral branches develop from underground portion of stem. D) In onion bulb is covered by tunic

NCERT FINGERTIPS-ORGANISMS AND POPULATION-Organisms And Population
  1. Kangaroo and desert rat that live in conditions of water scarcity are ...

    Text Solution

    |

  2. Read the following statements about adaptations in desert plants and s...

    Text Solution

    |

  3. Opuntia has spine like leaves which help in

    Text Solution

    |

  4. rule states that mammals from colder climates generally have shorter e...

    Text Solution

    |

  5. An inhabitant of Varanasi goes to Rohtang and experiences nausea, fati...

    Text Solution

    |

  6. Archaebacteria that flourish in temperature above 100^(@)C have specia...

    Text Solution

    |

  7. Which of the following problems does the frequent deep ears diver orga...

    Text Solution

    |

  8. Ice fish and Antartic fish remain active in extremely cold water due t...

    Text Solution

    |

  9. Which of the following statements is correct with regard to Bergmann's...

    Text Solution

    |

  10. Which of the following options exemplifies a behavioural means of home...

    Text Solution

    |

  11. A behavioural strategy of adaptation called echolocation is found in

    Text Solution

    |

  12. If a organism's body pattern resembles its environment making it diffi...

    Text Solution

    |

  13. Dart frogs (Phyllobates bicolour, Dendrobates pumilo) found in tropica...

    Text Solution

    |

  14. Match column I with column II and select the cirrect option from the g...

    Text Solution

    |

  15. Population ecology is an important area because it ul((i)) ecology to ...

    Text Solution

    |

  16. In a pound, last year there were 30 ltus plants. Through reproduction,...

    Text Solution

    |

  17. Parameters related to age structure include

    Text Solution

    |

  18. In a life table, the number of individuals alive at the beginning of t...

    Text Solution

    |

  19. Percentage of individuals of a given age group in a given population i...

    Text Solution

    |

  20. If the age distribution is plotted for a population, the resulting str...

    Text Solution

    |