Home
Class 12
BIOLOGY
Read the following statements and select...

Read the following statements and select the correct option:-
A. Gymnosperm does not show xerophytic character.
B. In Cycas , coralloid roots are associated with fungi.
C. All gymnosperms are heterosporous.
D. In conifers , needle - like leaves reduce the surface area.
How many above statement are correct ?

A

2- correct, 2- incorrect

B

3-correct, 1- incorrect

C

1- correct, 3- incorrect

D

0- correct, 4- incorrect

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)

    ALLEN|Exercise Assertions and Reason|45 Videos
  • DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)

    ALLEN|Exercise EXERCISE-II|153 Videos
  • DIGESTION AND ABSORPTION

    ALLEN|Exercise S|28 Videos
  • DOMESTICATION OF PLANT (PLANT BREEDING)

    ALLEN|Exercise S|28 Videos

Similar Questions

Explore conceptually related problems

Read the following statements and select the correct option : (a) All vertebrates are chordates (b) All chordates are vertebrates

Read the following statements and select the correct option (a) All triploblastic animals are eucoelomates (b) They have a false coelom .

Read the following statements and select the correct option. Assertion : In gymnosperms, endosperm is formed before fertilization and is haploid. Reason : In angiosperms, endosperm is formed after fertilization and is diploid.

Read the following statements and choose the correct option. Statement A: Trichoderma spaces are free living fungi that are very common in root ecosystems. Statement B: trichoderma spaces are effective biocontrol agent of several plants pathogens.

read the following statement and choose the correct option. A. microspore and megaspores are produced in the same lax in gymnosperm. B. Lax represents compact strobillus which bears both microsporophylls and megasporophytis together

Read the following statements and select the correct option, Statement 1 : Many pants are propagated vegetatively even though they bear seeds. Statement 2 : Sweet potatoes multiply vegetatively by root tubers.

Read the following statements and select the correct option. Statement 1 : The human small intestine is the longest portion in the alimentary canal. Statement 2: Absorption of digested food requires a very large surface area.

Read the following (A-D) statements: (A) Plasma without the clotting factor is called lymph. (B) The spleen is the graveyard of RBCs. (C) Eosinophils resist infections and are also associated with allergic reactions. (D) The universal donor blood group is O+ve . How many of the above statements are correct?

Read the following statements and select the correct ones. A. M.S. Swaminathan is considered as father of white revolution. B. Genetic variability is the root of any breeding programme. C. cross hybridisation is a very time consuming and tedious process.

Read the following statements and select the correct option: (a) Many species of herbs and shrubs growing in forests are adapted to photosynthesise optimally under very low light conditions. (b) Many plants are dependent on sunlight to meet their photoperiodic requirement for flowering.

ALLEN-DIVERSITY IN LIVING WORLD (PLANT DIVERSITY)-EXERCISE -III
  1. Classification system are chaning every now and then because an attemp...

    Text Solution

    |

  2. In potato, brinjal, lion, leopard, and tiger, how many species and gen...

    Text Solution

    |

  3. The correct sequences of evolutions is :-

    Text Solution

    |

  4. Suffix is not used for:-

    Text Solution

    |

  5. Some characters are given below. Which of them are true for the cyanob...

    Text Solution

    |

  6. Which of the following is non-cellular organisms?

    Text Solution

    |

  7. Find the incorrect match:-

    Text Solution

    |

  8. Select incorrect statement about fungi?

    Text Solution

    |

  9. Find the correct statements about fungi:- a) most of the fungi are s...

    Text Solution

    |

  10. Choose the incorrect statement regarding decomposer:-

    Text Solution

    |

  11. With respect to fungal sexual cycle, choose the correct sequence of ev...

    Text Solution

    |

  12. For Bryophytes, select the incorrect statement in the following:

    Text Solution

    |

  13. Which of the following is not a character related to Red Algae?

    Text Solution

    |

  14. Select the incorrect from the following.

    Text Solution

    |

  15. Oogamous type of sexual reproduction is found in (a) Chlamydomonas ...

    Text Solution

    |

  16. A plant shows thallus level, of organisation. It shows rhizoids and is...

    Text Solution

    |

  17. Protonema is

    Text Solution

    |

  18. Read the following statements and select the correct option:- A. Gym...

    Text Solution

    |

  19. Pollen grains after dispersed from the anthers are carried to the stig...

    Text Solution

    |

  20. Diplontic life cycle is found in:-

    Text Solution

    |