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NEET Zoology MCQs: Class-XI and Class-XII



NEET Zoology MCQs: Class-XI and Class-XII

Tropical regions show greatest level of species richness because:

A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
B. Tropical environments are more seasonal.
C. More solar energy is available in tropics.
D. Constant environments promote niche specialization.
E. Tropical environments are constant and predictable.

Choose the correct answer from the options given below.

[class-xii ]

  • A and B only
  • A, C, D and E only
  • A, B and D only
  • A, B and E only
    • Correct Option: B  [ A, C, D and E only ]

    Remark: Explanation: NCERT Page no.261-262

These are regarded as major causes of biodiversity loss:

A. Over exploitation
B. Co-extinction
C. Mutation
D. Habitat loss and fragmentation
E. Migration

Choose the correct option:

[class-xii ]

  • A, B, C and D only
  • A, C and D only
  • A, B and D only
  • A, B and E only
    • Correct Option: C  [ A, B and D only ]

    Remark: Explanation: NCERT Page. 264 (Topic-15.1.4 Loss of Biodiversity)

Match List I with List II:

List-I List-II
A. Non-medicated IUD I. Multiload 375
B. Copper releasing IUD II. Progestogens
C. Hormone releasing IUD III. Lippes loop
D. Implants IV. LNG-20
Choose the correct answer form the options given below:

[class-xii ]

  • A-IV, B-I, C-II, D-III
  • A-III, B-I, C-IV, D-II
  • A-III, B-I, C-II, D-IV
  • A-I, B-III, C-IV, D-II
    • Correct Option: B  [ A-III, B-I, C-IV, D-II ]

    Remark: Explanation: NCERT Page No.59, (Topic-4.2 POPULATION EXPLOSION AND BIRTH CONTROL)

Given below are two statements:

Statement I: The presence or absence of hymen is not a reliable indicator of virginity.

Statement II: The hymen is torn during the first coitus only.

In the light of the above statements, choose the correct answer from the options given below :

[class-xii ]

  • Statement I is true but Statement II is false
  • Statement I is false but Statement II is true
  • Both Statement I and Statement II are true
  • Both Statement I and Statement II are false
    • Correct Option: A  [ Statement I is true but Statement II is false ]

    Remark: Explanation: NCERT Page No.30, (Topic-2.2 THE FEMALE REPRODUCTIVE SYSTEM)
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