Home
Class 12
BIOLOGY
Mycoplasma: (a) Lack cell wall (b) C...

Mycoplasma:
(a) Lack cell wall
(b) Can survive without oxygen
(c) Are primitive organisms responsible for production of biogas
(d) Are smallest living organisms
(1) Only (a) & (b) are correct
(b) Only (a) & (d) are correct
(c) Only (c) is incorrect
(d) Only (a) & (d) are incorrect

A

Only (a) & (b) are correct

B

Only (a) & (d) are correct

C

Only (c) is incorrect

D

Only (a) & (d) are inorect

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise Examplle|19 Videos
  • TEST 3

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|94 Videos

Similar Questions

Explore conceptually related problems

The smallest living organism is (a) Amoeba (b) yeast (c) blue-green algae (d) red or brown algae

The smallest living cell is : (a) Virus (b) Viroid (c) Mycoplasma (d) Cyanobacteria

During cyclic photophosphorylation (1) Only PSI is functional. (2) The electron is circulated within the photosystem. (3) Grana lamellae is involved only. (4) Both ATP and NADPH+ H^(+) are synthesised. (a) (1) and (2) are incorrect (b) (3) and (4) are incorrect (c) (1) and (3) are correct (d) (2) and (4) are correct

Read the following statements and select the correct option . a. To facilitate more sound and scientific of various taxa, taxonomists have also developed subcategories. b. Only a few protozoans are heterotrophs and live as predators or parasites. (1) Both (a) and (b) are correct (2) Only (a) is correct (3) Only (b) is correct (4) Both (a) and (b) is incorrect

Read Statements A - D , and select the correct option . (A.) Mitosis produces two identical daughter cell. (B.) Meiosis introduces variation due to gene exchange. (C.) After anaphase, the chromosome has two chromatids. (D.) Anaphase I is responsible for the reduction in chromosome number of gametes. (a) All are correct (b) A, B , C are correct (c) A, B , D are correct (d) C ,D are correct

Guard cells : a. Enclose stomatal pore b. Are dumb - bell shaped in dicots c. Outer wall thick and inner wall thin d. Regulates opening and closing of stomata 1 a & b are correct 2 a & d are incorrect 3 b & c are incorrect 4 c & d are correct

A: true vocal cord are located above the false vocal cords and participate in sound production. B: false vocal cord are located above the true vocal cords do not participate in sound production. 1) both [A] & [B] are correct 2) only [A] is correct 3) Only [B] is correct 4) both [A] & [B] are incorrect

The organism which are considered as immortal is/are (a) Ameoba only (b) All unicellular organisms (c) Aphis (d) Periplaneta

During secondary growth, amount of (a) Heartwood increases (b) Sapwood increases (c) Sapwood decreases (d) Sapwood remains almost constant (1) Only (d) (2) (a) and (b) (3) (a) and (c) (4) (a) and (d)

Pollen tube is covered by (a) Exine only (b) Plasmalemma only (c) intine only (d) Exine and intine

AAKASH INSTITUTE ENGLISH-TEST 2-EXERCISE
  1. Nuclear membrane and membrane bound cell organelles are absent in

    Text Solution

    |

  2. How many of the following organisms are autotrophic but lack photosynt...

    Text Solution

    |

  3. Mycoplasma: (a) Lack cell wall (b) Can survive without oxygen (c...

    Text Solution

    |

  4. What is true for Archaebacteria? (a) They all are halophiles (b) The...

    Text Solution

    |

  5. Which statements are true about heterocyst? (a) Thick cell wall is p...

    Text Solution

    |

  6. Mark the incorrect statement.

    Text Solution

    |

  7. Find the correct match, :

    Text Solution

    |

  8. Read the following statements and choose the correct option: (A) Dia...

    Text Solution

    |

  9. A unicellular organism which has a gullet, thousands of cilia one macr...

    Text Solution

    |

  10. Select the incorrect statement about dinoflagellates (a) They are most...

    Text Solution

    |

  11. Mycorrhiza is an association between (a) Roots of higher plants and fu...

    Text Solution

    |

  12. Bacterial viruses : A. Infect the bacteria B. Usually have double stra...

    Text Solution

    |

  13. Viruses have properties of both living and non-living things. They are...

    Text Solution

    |

  14. A prion is a

    Text Solution

    |

  15. A virus differs from a viroid as it

    Text Solution

    |

  16. Mark True (T) or False(F) for the following statements & choose the co...

    Text Solution

    |

  17. Bladderwort is a

    Text Solution

    |

  18. Select the features of Rhizopus. (a) Saprophytic fungus, (b) Hypha...

    Text Solution

    |

  19. Select the pair of fungi which belongs to clas deuteromycetes. (a) Alt...

    Text Solution

    |

  20. Ergot of Rye causing organism (a) Has coenocytic & aseptate mycelium ...

    Text Solution

    |